CN108684360A - Protective device for chain saw or high-altitude trimming machine - Google Patents
Protective device for chain saw or high-altitude trimming machine Download PDFInfo
- Publication number
- CN108684360A CN108684360A CN201810251105.2A CN201810251105A CN108684360A CN 108684360 A CN108684360 A CN 108684360A CN 201810251105 A CN201810251105 A CN 201810251105A CN 108684360 A CN108684360 A CN 108684360A
- Authority
- CN
- China
- Prior art keywords
- protective device
- supporting surface
- sawing
- chain
- chain saw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
- A01G3/086—Chain saws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/003—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for chain saws
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Sawing (AREA)
Abstract
The present invention is from a kind of protective device (12; 54) it sets out; protective device is used to be fixed on the sword-shaped part (28 of chain saw (10) or high-altitude trimming machine (52); 68) on, particularly for avoiding the chain saw (10) undesirably from the branch slippage for waiting for sawing;The protective device has supporting surface (40), particularly for support chain saw (10) or high-altitude trimming machine (52) and waits for the sawing force between sawing object.It proposes, the supporting surface (40) constructs in this way, so that the object for waiting for sawing is although possible along the relative motion of the supporting surface (40), however it becomes difficult, it is become difficult particularly by the surface configuration of the supporting surface (40), preferably by the structuring portion (42) of the supporting surface (40), the frictional resistance of the supporting surface is improved in the structuring portion.
Description
Technical field
The present invention relates to a kind of protective devices for chain saw or high-altitude trimming machine.
Background technology
A kind of protective device for chain saw as known to US 4 558 518, referring particularly to Figure 21.Such protective device
On the one hand adjacent trunk or branch is protected not to be cut unexpectedly, mode is:Protective device to chain saw tip in other words
Saw chain is touched in the region at chain saw sword-shaped part tip to be limited;On the other hand, the housing direction towards saw of protective device orients
The tooth or wedge angle sharp (typically by steel) for invading in trunk, it is sealed to generate such shape so that
The sealed lever force (being indicated by swinging arrow) helped to create as the point of rotation along swaying direction of the shape, for faster
And/or more easily sawed-off trunk.Here, the direction of rotation of saw chain can also be in reverse to the institute in Figure 21 of US 4 558 518
Thus the direction shown has almost only just been drawn by the reagency (movement of trunk and protective device relative to each other) generated by sawing
It plays tooth or wedge angle invades in trunk.Furthermore it is known that a kind of high-altitude trimming machine, with protective device, which has
Smooth collision or supporting surface.
Invention content
The present invention is used for chain saw from a kind of protective device, especially sword-shaped part tip protective device, the protective device
Or high-altitude trimming machine, particularly for avoiding chain saw undesirably in mounting board to the object for wait for sawing or by waiting for that the object of sawing is slided
De-, the object for waiting for sawing especially waits for the branch of sawing, which has for protective device to be fastened on chain saw
Shell or device in sword-shaped part and there is supporting surface or impingement area, particularly for the phase for supporting the movement by saw chain to generate
To power or chain saw or high-altitude trimming machine and wait for the sawing force between sawing object.
It proposes, the supporting surface constructs in this way so that although the object is possible along the relative motion of the supporting surface
, but become difficult, especially by the surface configuration of supporting surface, preferably pass through the structuring portion of supporting surface
(Strukturierung) it becomes difficult, the surface configuration improves the frictional resistance of the supporting surface.Especially with high altitude scissors
In the case that branch machine is used together protective device (in the chain saw on telescopic rod), the structure of protective device thus can be at least avoided
The supporting surface or tooth or wedge angle of change are invaded deeply in the object for waiting for sawing.I.e. chain saw undesirably blocks on the branch for wait for sawing
Firmly or high-altitude trimming machine blocks in trees.Due to lacking the movement of simple pendulum motion of the high-altitude trimming machine in trees certainly
By degree or possibility, can not be released in the case where not using other measures it is described block, it is described to lack especially because long
The other branches counteracted in telescopic rod and trees cause.On the other hand, with use with smooth supporting surface and low static friction
Protective device on the contrary, avoid high-altitude trimming machine or chain saw undesirably from wait for sawing branch slip, thus can preferably control
System is sawed and will not unintentionally and undesirably be damaged the other branches or trunk for waiting for sawing trees due to slippage.
Moreover, it is proposed that the supporting surface constructs in this way so that it is not easy to invade in the object for waiting for sawing.Such as it can be with
It avoids invading by suitable material selection or geometry selection.Suitably as geometry:Avoid sharp point
Angle, triangle or tooth, such as by by their roundings;By the angle Selection between the both sides at the tip of wedge angle, triangle or tooth
Greatly and/or thus tip only lift several millimeters, especially less than 10mm from supporting surface.It is possible thereby to avoid:Wedge angle, triangle or
It digs into tooth depth in object to be cut so that saw only can carry out pendulum motion around the wedge angle, triangle or tooth, but not
Sliding motion that is desirable, becoming difficult can be carried out along the wedge angle, triangle or tooth.
Moreover, it is proposed that the supporting surface has at least one protrusion and a recess, it is therefore preferred to have multiple protrusions
Portion and recess.This " mountain " and " paddy " such as transition part with rounding, this reduce the extruding of the face of the object to being compressed
It power and avoids " mountain " " protrusion " invades in object to be cut (branch, workpiece or the like) in other words.The mountain,
Wedge angle, triangle or tooth, which have, to be provided for not invading geometry or the intensity in the object for waiting for sawing deeply at least.
Moreover, it is proposed that the supporting surface has the face or sand paper structure that coarse processed face, such as annular knurl cross.Favorably
Thus ground can improve the frictional resistance of supporting surface.Object to be cut, especially branch are not easy to slip, but avoid simultaneously described
Structure intrusion especially invades in the object for waiting for sawing deeply.
Moreover, it is proposed that the protective device is constructed in the opposite side rounding with the supporting surface, especially exist
It the side rounding opposite with the supporting surface and glossily constructs, so as to which it is sliding less to rub along the branch for being not desired to sawing
Move and/or do not damage the branch for being not desired to sawing.
In addition a kind of chain saw or high-altitude trimming machine with aforementioned protective device is claimed.This protective device can be with cloth
It sets on the tip of sword-shaped part or is arranged on shell.On tip, which has additional effect:It can be to avoid unintentionally
Ground invades in other branches.The support of protective device or impingement area are especially transverse to the longitudinal extension of sword-shaped part or cross
To in the direction of motion orientation of saw chain.Supporting surface especially extends on the side transverse to sword-shaped part and extends beyond the sword-shaped
Part, in the side, the direction of motion of saw chain is directed toward supporting surface.Advantageously, this chain saw or this high-altitude trimming machine make it possible to reality
Now convenient, labour-saving and/or the application for avoiding accidentally cutting.In high-altitude trimming machine, saw it is good visual and bootable
Property is limited (due to being guided indirectly by telescopic rod), and protective device especially there is provided herein big benefit.
Moreover, it is proposed that protective device is arranged on the tip protective device in sword-shaped part, prevent at the tip of sword-shaped part
Saw chain is touched in region, especially prevents from touching from least side, is preferably prevented from from up to five sides are touched.In tip region
In, five sides can be understood as from front side, downside, upside, left or right side.
Moreover, it is proposed that another protective device is arranged on the shell of chain saw or high-altitude trimming machine, especially it is disposed in past
In the region of the lower section of the saw chain of revolution;And/or another protective device constructs one-piece with shell, another protective device
It is especially configured with supporting surface, which constructs in this way so that wait for although the object of sawing is along the relative motion of supporting surface
It is feasible, however become difficult, it is become difficult particularly by the surface configuration of supporting surface, preferably by the structuring portion of supporting surface,
The surface configuration improves the frictional resistance of the supporting surface.
Description of the drawings
Other advantage is obtained by following attached drawing description.The embodiment of the present invention is shown in the accompanying drawings.Attached drawing, specification
Include multiple assemblage characteristics with claims.Those skilled in the art also may conform to destination individually consider the feature and
It is summarized as other significant combinations.Attached drawing is shown:
Fig. 1 has the side view of the chain saw according to the present invention of protective device according to the present invention;
Fig. 2 has the side view of the high-altitude trimming machine according to the present invention of protective device according to the present invention;
Fig. 3 a are fixed on the vertical of the simplification of the protective device according to the present invention in the sword-shaped part of chain saw or high-altitude trimming machine
Stereogram;
Fig. 3 b show Fig. 3 a in a top view;
The three-dimensional view of Fig. 4 protective devices.
Specific implementation mode
Fig. 1 shows the side view with the chain saw according to the present invention 10 of protective device 12 according to the present invention.The chain saw
10 have shell 14, for driving the motor 15 of chain saw 10 to be arranged on the housing.In addition, the chain saw 10 include rear handle and
Front handlebar 16,18, reversed bar 20, Operation switch 22 and oil filling connector 24.Chain saw 10 with can be configured to motor-type,
Internal combustion engine type, power grid formula or battery-type or similarly power.Interface 26 is provided for receiving accumulator.Axis along longitudinal direction
The sword-shaped part 28 that the direction of line 30 extends is stretched out by shell 14.It is disposed with saw chain or chain 32 in sword-shaped part 28, passes through sword-shaped
Part guides and can be along gyratory directions 34 in 28 upper rotary of sword-shaped part.The upper chain of chain 32 is in the operation of chain saw 10 from shell
14 move with leaving to the tip 36 of sword-shaped part 28;The lower chain of chain 32 returns to shell 14 by tip 36.However there is also tools
There is the chain saw of reversed chain rotation direction.Chain saw 10 is provided for the not only upper chain by chain 32, and by chain 32
Lower chain sawing object or branch, so as to more particularly to being implemented to cut from above or below according to the accessibility of object to be cut
It cuts.
In the region at the tip of sword-shaped part 28 36, protective device 12 is fixed with by fastening means 38.The protective device
It makes it difficult to touch chain 32 at least partly or interfere at least partly touching chain 32.Cover sword to protective device dish type
The tip 36 of shape part 28, however do not interfere chain 32 in 28 upper rotary of sword-shaped part.By protective device 12, at least limit from side to,
From below, chain 32 is touched in the region at the tip of sword-shaped part 28 36 from top and from front.In the opposite of sword-shaped part 28
Another protective device 12 (referring to Fig. 3 a) equally arranged is installed, another protective device limitation is from the other side in sword on side
Chain 32 is touched in the region at the tip 36 of shape part 28.Protective device 12 is configured to partly semicircular in shape or half dish type and is configured with
The side waist 39 of triangle.Protective device 12 is with collision or supporting surface 40 (semicircle of its limit with side waist).The supporting surface 40
It is oriented transverse to the direction of the longitudinal axis 30 of sword-shaped part 28.
Supporting surface 40 has structuring portion 42.The structuring portion 42 is for example made of multiple triangles or tooth 43.These teeth
Tip along longitudinal direction the direction of axis 30 and towards shell 14 position.Collision or supporting surface 40 are configured to so that waiting for sawing
Object especially waits for that the branch of sawing is difficult to slip from chain saw 10 or sword-shaped part 28 or chain 32.Wait for the object of sawing by chain 32
Sawing motion with friction draws or pushes away to supporting surface.If supporting surface 40 glossily constructs, it will be easy to happen and wait for sawing
Object is slipped from support or impingement area 40 are (downward in other words transverse to the direction of longitudinal axis 30).If 43 another aspect of tooth is such as
The prior art is too long, too sharp and/or too hard, then they are dug into deeply in the surface for waiting for sawing object.Although can carry out as a result,
The sawing of lever force auxiliary (by being swung around the tooth being connected cohesively together with the object shapes or wedge angle for being used as the point of rotation)
(referring to US 4 558 518), but if first (not passing through the displacement in 30 direction of axis along longitudinal direction of chain saw 10) cancels the shape
Sealed connection cannot realize movement of the saw transverse to longitudinal axis.The tooth 43 of the present invention is only slightly from remaining supporting surface
40 protrude so that tooth 43 is not suitable for the lever sawing, especially because these teeth are not deeplyly, but only digs into most shallowly
To waiting in sawing object.The tooth has triangular structure, especially isosceles triangular structure, and the isosceles triangular structure is on both sides
Between tip at have more than 60 ° of angle, especially 90 ° of angle.Tip 43 only protrudes several millimeters from supporting surface substrate.
In addition, being also equipped with another protective device 44 on shell 14, which makes to wait for that the object of sawing is difficult
To be slipped from chain saw 10.For this purpose, surface of shell 46 is at least used as support or collision in chain 32 into the region of the chain of revolution
Face 48 structurally constructs.The structuring portion 50 is similar to region of the construction at the tip of sword-shaped part 28 36 of protective device 12
In 42 ground of structuring portion construction.
Fig. 2 shows the side views of the high-altitude trimming machine 52 according to the present invention with protective device 54 according to the present invention.
The high-altitude trimming machine 52 has at least one first in command's unit 56, when necessary second handle unit 57, extension device 58, especially
Telescopic unit and working cell 60.The working cell 60 is configured to a kind of chain saw 62.The working cell passes through on handle unit 56
Accumulator supply electric current.There is shell 64, the shell to carry driving unit (not shown) for the working cell.The shell 64 can lead to
Adjusting apparatus 66 is crossed at least swingingly to construct relative to device 58 is extended along the direction of double-head arrow 68.Longitudinal direction along working cell 60
The sword-shaped part 68 that 70 direction of axis extends is stretched out by shell 64.Chain (not shown) may be arranged in sword-shaped part 68 saw chain in other words,
The saw chain can be guided by sword-shaped part 68 and be provided for (corresponding to root in 68 upper rotary of sword-shaped part along gyratory directions 72
According to the first embodiment of the chain saw 10 of Fig. 1).The upper chain of chain is in the operation of high-altitude trimming machine 52 from shell 64 to sword-shaped part 68
Tip 74 move;The lower chain of chain returns to shell 64 from tip 74.However, there is also with reversed chain rotation direction
High-altitude trimming machine 52.Protective device 54 can be downwardly oriented at this time.High-altitude trimming machine 52 is provided for not only by the upper of chain
Chain and lower chain sawing object or branch by chain.Typically, user implements (by upper chain) first from below
It cuts (incision) and then cuts (cut-out) from top (by lower chain).When being cut by upper chain saw, protective device 54 is used
Make support and impingement area 40.When by lower chain sawing, the protective device 80 on shell 64 is used as support and impingement area.This
Outside, high-altitude trimming machine 52 is configured to object or branch of the sawing with a certain distance from user, which passes through at least one
A handle unit 56, especially two handle units 56,57 guide high-altitude trimming machine 52.It may be thus possible, for example, to easily sawing tree
The branch (such as branch positioned at higher height) that directly cannot be got at or be reached by user in wood.Based on high-altitude trimming machine 52
Length, especially it is extensible extend device 58 length, movement of the high-altitude trimming machine 52 for example in trees to be cut from
It is restricted by degree.High-altitude trimming machine 52 may be due to the branch quilt of other (being not desired to sawing) of trees along the swing of swaying direction 76
Limitation.Further, since long power transmission path, at least so that user's is used for via handle unit 56,57 and extension device
The power transmission that 58 operating forces for making working cell 60 move move in other words becomes difficult or at least negatively affects power transmission.
Therefore, high-altitude trimming machine 52 also has corresponding to the chain saw 10 of Fig. 1 in the region at the tip of sword-shaped part 68 74 logical
Cross 78 fixed protective device 54 of fastening means.The protective device 54 is similar to protective device 12 and constructs and also have its characteristic
And effect.Due to operation element unit 60 indirectly (via device 58 is extended), so the even ratio of protective device 54 is according to Fig. 1
The case where directly operating (not extending device 58) chain saw 10 meaning bigger.On the one hand, for be unlikely to unintentionally (in sawing by
In slippage) damage the adjacent branch or trunk for being not desired to sawing;On the other hand, it is used for until branch under complete parttion or saw
A kind of preferably clamping is obtained between branch and chain saw, however does not have mounting board (Festklemmen).Mounting board refers to can not edge
Swaying direction 76 carries out pendulum motion, and mounting board can prevent protective device 54 from being prevented in other words transverse to the movement of longitudinal axis 70
The movement;It is no longer able to completely separable branch as a result, is equally also impossible to simply by high-altitude trimming machine by described " stranded "
Position " release ".In addition, as previously mentioned, the degree of freedom in 70 direction of axis is usually limited along longitudinal direction.Therefore,
It can be to avoid high-altitude trimming machine 52 undesirably from the branch slippage or avoidable high-altitude trimming machine 52 for waiting for sawing according to the present invention
Mounting board, in the case of mounting board only can by not enforceable, high-altitude trimming machine 52 along swaying direction pendulum motion pine
It opens.As chain saw 10, high-altitude trimming machine 52 can also have another in the case where bringing corresponding positive effect or effect
One protective device 80, another protective device are preferably arranged on the shell 64 of high-altitude trimming machine 52 toward the saw chain of revolution
It is constructed one-piece in region and especially with shell 64.
Fig. 3 a show that the three-dimensional view of the simplification of protective device 12,54 according to the present invention, the protective device are arranged in
It is fastened in the sword-shaped part 28,68 of chain saw or high-altitude trimming machine and by fastening means 38,78.It is obvious that in sword-shaped
A protective device 12,54 is respectively disposed on the both sides of part 28,68.These protective devices are relative to the plane being made of sword-shaped part
It constructs to mirror symmetry and is fastened in sword-shaped part 28,68 by common fastening means 38,78.It is equally visible, it protects
Protection unit 12,54 collision or supporting surfaces 40 respective, structuring, that be especially equipped with tooth 42.By b according to fig. 3, with protection
The vertical view of the sword-shaped part 26,68 of device 12,54 show that protective device 12,54 separates relative to each other for the revolution of saw chain
Enough distances or gap.
Fig. 4 shows the three-dimensional view of the protective device 12,54 according to the present invention for chain saw 10 or high-altitude trimming machine 52.
A and 3b according to fig. 3, the consideration of the protective device 12,54 are arranged in left side in sword-shaped part 28,68.Before reference numeral is similar to
The explanation of face Fig. 1 to 3b provides, and the feature description of front is should refer to this.Protective device 12,54 has at least one turn of bilge
82,84, two outstanding turn of bilge 82,84.Thus (generate) for receive fastening means 38,78 and particularly for sword-shaped part
Distance is formed between the interior zone 86 of 28,68 force closures connection, the intermediate region 88 and perimeter 90 of arrangement with teeth 42.It arrives
The turn of bilge 82 of intermediate region constitutes the gap for allowing chain 32 to turn round.In addition, turn of bilge 82, two outstanding turn of bilge make support device
12,54 rigidity highers and more stable.
Claims (10)
1. a kind of protective device (12,54), the sword-shaped part (28,68) for being fixed on chain saw (10) or high-altitude trimming machine (52)
On, particularly for avoiding the chain saw (10) undesirably from the object slippage for waiting for sawing, the protective device has supporting surface
(40), special particularly for the sawing force between support chain saw (10) or high-altitude trimming machine (52) and the object for waiting for sawing
Sign is that the supporting surface (40) is configured so that:Although the object for waiting for sawing can be carried out along the supporting surface (40)
Relative motion, but the relative motion becomes difficult, and especially by the surface configuration of the supporting surface (40), preferably passes through institute
The structuring portion (42) for stating supporting surface (40) becomes difficult, and the surface configuration improves the frictional resistance of the supporting surface.
2. protective device (12,54) described in accordance with the claim 1, which is characterized in that the supporting surface (40) is configured so that
The supporting surface is at least not easy hook and snaps into or be at least not easy to invade deeply in the object for waiting for sawing.
3. according to protective device as claimed in claim 1 or 2 (12,54), which is characterized in that the supporting surface (40) has at least
One protrusion and recess, it is therefore preferred to have multiple protrusions and recess.
4. according to the protective device (12,54) described in any one of preceding claims, which is characterized in that the supporting surface (40)
With one or more teeth (43).
5. according to the protective device (12,54) described in any one of preceding claims, which is characterized in that the supporting surface (40)
With coarse processed surface, such as the surface crossed of annular knurl or coated abrasive surface.
6. according to the protective device (12,54) described in any one of preceding claims, which is characterized in that the protective device
(12,54) are made of metal.
7. according to the protective device (12,54) described in any one of preceding claims, which is characterized in that the protective device
(12,54) to face blend are constructed the supporting surface (40), especially in the supporting surface (40) to face blend and light
Sliding mode constructs, so as to slide and/or do not damage the branch for being not desired to sawing less along the branch for being not desired to sawing friction.
8. a kind of chain saw (10) or high-altitude trimming machine (52) have according to the protective device described in any one of preceding claims
(12,54).
9. chain saw (10) or high-altitude trimming machine (52) according to claim 8, which is characterized in that the protective device (12,
54) the tip guard member being arranged in the sword-shaped part (28,68), the tip guard member is at least so that be difficult in the sword
The saw chain (32) is touched in the region at the tip (36,74) of shape part (28,68), in particular so that being difficult to from least side, excellent
Selection of land is difficult to from up to five sides are touched.
10. according to chain saw (10) or high-altitude trimming machine (52) described in claim 8 or 9, which is characterized in that in the chain saw
(10) it is disposed with another protective device (44) on or the high-altitude trimming machine (52) shell (14,64), especially arrangement is in place
In the region of the lower section of the saw chain (32) toward revolution, and/or, another protective device and the shell (14,64) are one-piece
Construction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017205327.5A DE102017205327A1 (en) | 2017-03-29 | 2017-03-29 | Protective device for a chain saw or a pruner |
| DE102017205327.5 | 2017-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108684360A true CN108684360A (en) | 2018-10-23 |
| CN108684360B CN108684360B (en) | 2022-06-07 |
Family
ID=63525492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810251105.2A Active CN108684360B (en) | 2017-03-29 | 2018-03-26 | Protective device for chain saw or high-altitude pruning machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108684360B (en) |
| DE (1) | DE102017205327A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112829012A (en) * | 2021-03-01 | 2021-05-25 | 周帅 | Gasoline saw with anti-cutting chain |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB274348A (en) * | 1926-12-21 | 1927-07-21 | Wilhelm Menzel | Improvements in and connected with motor-driven chain saws |
| US3636996A (en) * | 1969-12-12 | 1972-01-25 | Donald D Lanz | Chain saw antipinch guard arm |
| US3931676A (en) * | 1974-02-11 | 1976-01-13 | Merle William E | Portable power saw apparatus |
| US3995370A (en) * | 1975-06-06 | 1976-12-07 | Omark Industries, Inc. | Guard for chain saw guide bar |
| JPS5295399A (en) * | 1976-02-03 | 1977-08-10 | Textron Inc | Chain saw |
| US4193193A (en) * | 1978-08-09 | 1980-03-18 | Adolph Holzworth | Guard for chain saw |
| US4297786A (en) * | 1976-09-01 | 1981-11-03 | Beaird-Poulan Division | Chain saw nose guard |
| US4373265A (en) * | 1981-03-13 | 1983-02-15 | Halderen Gerardus Van | Modified chain saw |
| US4534111A (en) * | 1980-08-29 | 1985-08-13 | Thomas Eistrat | Combined chain saw and positioning tool |
| US4558518A (en) * | 1982-12-30 | 1985-12-17 | Morabit Vincent D | Tip stabilizing device for a chain saw |
| JPS61177804U (en) * | 1985-04-23 | 1986-11-06 | ||
| US4888872A (en) * | 1988-09-14 | 1989-12-26 | Thomas Eistrat | Chain saw attachment |
| US4936015A (en) * | 1989-09-29 | 1990-06-26 | Levosinski George J | Chain saw tip guard |
| JPH03108403U (en) * | 1990-02-23 | 1991-11-07 | ||
| US5850696A (en) * | 1996-09-09 | 1998-12-22 | Sciarrone; Angelo | Chain saw guard |
| EP0945053A1 (en) * | 1998-03-27 | 1999-09-29 | GARDENA Kress + Kastner GmbH | Circular saw, especially pruning saw |
| CN102380662A (en) * | 2010-08-27 | 2012-03-21 | 泉峰(中国)贸易有限公司 | Chain saw |
-
2017
- 2017-03-29 DE DE102017205327.5A patent/DE102017205327A1/en active Pending
-
2018
- 2018-03-26 CN CN201810251105.2A patent/CN108684360B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB274348A (en) * | 1926-12-21 | 1927-07-21 | Wilhelm Menzel | Improvements in and connected with motor-driven chain saws |
| US3636996A (en) * | 1969-12-12 | 1972-01-25 | Donald D Lanz | Chain saw antipinch guard arm |
| US3931676A (en) * | 1974-02-11 | 1976-01-13 | Merle William E | Portable power saw apparatus |
| US3995370A (en) * | 1975-06-06 | 1976-12-07 | Omark Industries, Inc. | Guard for chain saw guide bar |
| JPS5295399A (en) * | 1976-02-03 | 1977-08-10 | Textron Inc | Chain saw |
| US4297786A (en) * | 1976-09-01 | 1981-11-03 | Beaird-Poulan Division | Chain saw nose guard |
| US4193193A (en) * | 1978-08-09 | 1980-03-18 | Adolph Holzworth | Guard for chain saw |
| US4534111A (en) * | 1980-08-29 | 1985-08-13 | Thomas Eistrat | Combined chain saw and positioning tool |
| US4373265A (en) * | 1981-03-13 | 1983-02-15 | Halderen Gerardus Van | Modified chain saw |
| US4558518A (en) * | 1982-12-30 | 1985-12-17 | Morabit Vincent D | Tip stabilizing device for a chain saw |
| JPS61177804U (en) * | 1985-04-23 | 1986-11-06 | ||
| US4888872A (en) * | 1988-09-14 | 1989-12-26 | Thomas Eistrat | Chain saw attachment |
| US4936015A (en) * | 1989-09-29 | 1990-06-26 | Levosinski George J | Chain saw tip guard |
| JPH03108403U (en) * | 1990-02-23 | 1991-11-07 | ||
| US5850696A (en) * | 1996-09-09 | 1998-12-22 | Sciarrone; Angelo | Chain saw guard |
| EP0945053A1 (en) * | 1998-03-27 | 1999-09-29 | GARDENA Kress + Kastner GmbH | Circular saw, especially pruning saw |
| CN102380662A (en) * | 2010-08-27 | 2012-03-21 | 泉峰(中国)贸易有限公司 | Chain saw |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112829012A (en) * | 2021-03-01 | 2021-05-25 | 周帅 | Gasoline saw with anti-cutting chain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108684360B (en) | 2022-06-07 |
| DE102017205327A1 (en) | 2018-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20180333871A1 (en) | Ceramic cutting blades | |
| CN108684360A (en) | Protective device for chain saw or high-altitude trimming machine | |
| US20150047491A1 (en) | Guide Bar for a Saw Chain of a Motor-Driven Chain Saw and Application of a Marking on a Guide Bar of a Motor-Driven Chain Saw | |
| CN106346518B (en) | The set of blades of element hair cutter is transmitted with hair and the hair cutter of element is transmitted with hair | |
| US9962779B2 (en) | Counterweight device | |
| CN102480917A (en) | A hedge trimmer and a blade therefor | |
| RU2011108105A (en) | MOTOR DRIVEN CUTTING TOOL | |
| JP2021109303A (en) | Working instrument | |
| JP2005270041A (en) | Method for trimming planting strip and attaching tool for hedge trimmer for the trimming method | |
| EP2463049B1 (en) | Cutting machine | |
| JP2012136931A (en) | Snow-removing tool for roof | |
| DE50104769D1 (en) | SHOCK SHEAR | |
| JP7142411B2 (en) | twig trimmer. | |
| CN207427900U (en) | A kind of gardens pruning handsaw | |
| RU144735U1 (en) | MULTI-FUNCTIONING MAPPER BLADE | |
| RU131337U1 (en) | HAND SAW | |
| JP2001286223A (en) | Garden tree clippers | |
| CN202799579U (en) | Multifunctional spade | |
| JP2021084168A (en) | Work machine | |
| JP5388368B2 (en) | Pruning shears | |
| KR20090005462U (en) | Multipurpose a saw blade | |
| JP2002172568A (en) | Motor-driven tool | |
| JP2022095409A (en) | Cutting machine | |
| CN103650936A (en) | Electric power tool | |
| KR200412571Y1 (en) | knife and sew |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |