EP0802146B1 - Reel handling device - Google Patents
Reel handling device Download PDFInfo
- Publication number
- EP0802146B1 EP0802146B1 EP96830633A EP96830633A EP0802146B1 EP 0802146 B1 EP0802146 B1 EP 0802146B1 EP 96830633 A EP96830633 A EP 96830633A EP 96830633 A EP96830633 A EP 96830633A EP 0802146 B1 EP0802146 B1 EP 0802146B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- jaws
- support body
- zone
- central support
- drive system
- 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.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
Definitions
- the present invention relates to a reel handling device, in particular for cylindrical reels with a horizontal hole axis.
- reels which may be of considerable size and weight, have a cylindrical hollow central core inside which it is possible to insert the ends of the arms of a manipulator so as to grip said reels securely when moving them from one location to another.
- reel handling devices which consist substantially of a central body which is located above a set of grippers composed of a pair of facing L-shaped jaws which are moved by an electro-mechanical or electro-hydraulic drive system housed inside the device itself.
- the central body comprises at the top a hooking pin by means of which the device may be hung from loading hooks or pulley blocks fitted to a bridge crane or the like.
- the jaw drive system which is fairly bulky, is arranged underneath the hooking pin.
- the jaw drive system usually arranged in a central position with respect to the transverse extension of the central body, is thus located between the jaws and the thrust block.
- the main object of the present invention is therefore that of overcoming the aforementioned drawbacks present in the known art by providing a reel handling device which comprises a rotational head and the overall vertical dimensions of which are substantially similar to those of devices of the known type, but not equipped with the rotational head.
- a further object is that of simplifying access to the drive systems of the jaws and motor-driven thrust block in order to facilitate the maintenance and checking operations.
- a further object is that of reducing the intervention times in the event of faults or malfunctions.
- Last but not least, an object is that of ensuring safer and more simple use of the device by the operators responsible for handling thereof.
- two L-shaped jaws which each have a horizontal support arm slidably inserted inside a seat of matching shape formed in a central body.
- Each of the two arms is operated by a control screw arranged above and parallel to the two support arms.
- the control screws each consist of a long threaded bar rotatably associated with the central body on which a nut screw moves, said nut screw being connected to the aforementioned support arm.
- a rotating head with a vertical axis is arranged above the two threaded bars.
- the drive systems for the threaded bars and the rotating head are arranged substantially above the rotating head, alongside the coupling zone (hooking-up zone), so as to make the best possible use of the little space available.
- the operator having a wider field of vision and a smaller area hidden from his sight, is able to operate the device in a safer, more controlled, more efficient and hence faster manner.
- 1 denotes in its entirety the device for handling cylindrical reels with a substantially horizontal axis, forming the subject of the present invention.
- the device 1 consists essentially of an upper coupling zone 9 for hooking the device to a crane and of a central support body 2 with which there is associated a pair of jaws 3,3' moved by a pair of control screws 7,7' driven by a first drive system 10.
- the central body 2 has arranged above it a rotating head 8 with a vertical axis, moved by a second drive system 11.
- the two jaws 3,3' each consist of a lower L-shaped gripping zone 4,4' and an upper mounting zone 5,5' slidably inserted inside a horizontal guide 6,6' of matching shape formed in the central body 2.
- the two jaws are arranged staggered with respect to one another and lie substantially in two planes parallel with each other.
- the two jaws 3,3' are slightly S-shaped in a plane perpendicular to their direction of translation, such that the two lower gripping zones 4,4' are located in the centre with respect to the vertical axis of the device.
- This shape of the jaws therefore serves to correct the two points of application of the weighing force of the reel (which coincide with the lower gripping zones 4,4') in such a way that the axis of the reel is always centred with respect to the transverse plane of symmetry of the horizontal guides 6,6'.
- the pair of control screws 7,7' is arranged at the lower part of the central support body 2 but above the upper mounting zone 5,5'. Said screws consists of a pair of horizontal threaded bars 15,15' rotatably associated with the central body 2.
- Each of the two upper mounting zones 5,5' of the jaws 3,3' has a coupling fork 18,18', integral with the mounting zone 5,5', which has inserted inside it a nut screw 19,19' screwed onto the threaded bar 15,15'.
- the opening or closing translatory movement of the jaws 3,3' is therefore obtained by means of the simultaneous rotational operation of both the threaded bars 15,15', the threads of which are oriented in opposite directions with respect to one other.
- each of the two threaded bars 15,15' has mounted on one of its ends a first pulley 14,14' moved by the first drive system 10.
- the first drive system 10 is composed of a first motor 12 coupled to a first reduction unit 23 which transmits, in turn, the movement to a second pulley 24.
- the second pulley 24 causes rotation of the pair of first pulleys 14,14' via a single toothed belt 16.
- the toothed belt 16 is located on the outer side of the device 1 and is therefore extremely accessible and easy to check and replace.
- 30 denotes a belt-tensioning device arranged along the trajectory of the belt 16.
- the rotating head 8 comprises a toothed wheel 20 integral with an upper coupling zone 9 and a pinion 21, operated by a second drive system 11 integral with the central body 2.
- the pinion 21 is moved by a second reduction unit 25 with right-angled shafts, operated by the second motor 13.
- Said first and second drive systems 10, 11 are both arranged on the central support body 2 substantially above the the rotating head 8 substantially at the same level as said coupling zone 9 and alongside thereof.
- the first and the second motor 12,13 are located above the plane defined by the rotating head 8.
- Both the motors 12,13 are arranged laterally with respect to the coupling zone 9 and therefore are also very easy to reach.
- a shaped casing 22 which protects said motors from dust and dirt.
- the coupling zone 9 comprises two coupling pins 26 removably inserted into seats 27 formed in two vertical walls 28.
- the device 1 is hooked up to the hook of a bridge crane (not shown). This operation requires disengagement of the two hooking-up pins 26 and lowering of the hook (not shown) until it is positioned inside the box-shaped structure defined by the two vertical walls 28. At this point the pins 26 may be reinserted and locked in the respective seats 27. The device must then be raised from the ground before being able to activate opening of the two jaws 3,3'.
- Opening of the jaws 3,3' is performed by the first drive device 10 which causes simultaneous rotation of the two threaded bars 15,15'. These bars, rotating, cause feeding of the nut screws 19,19' which, in turn, transmit the rectilinear movement to the coupling forks 18,18' and hence to the jaws 3,3'.
- the two jaws 3,3' are moved apart until the distance between them is greater than the width of the reel (not shown) to be raised.
- the lower gripping zone 4,4' of the jaws 3,3' is brought into alignment with the axis of the hole in the reel.
- the first drive system 10 is operated for closing so as to move the two jaws 3,3' closer together.
- the motor 12 is stopped when both inner flanks 29,29' of the jaws come into contact with the reel.
- the motor 13 transmits its movement to the pinion 21 by means of the second reduction unit 25.
- the rotation of the pinion 21 on the toothed wheel 20 results in rotation of the central body 2 with respect to the coupling zone 9, i.e. of the suspended reel with respect to the crane hook.
- the present invention therefore achieves the preset objects.
- the arrangement of the two motors alongside the coupling zone in addition to permitting a considerable reduction in the height of the device, also ensures extremely convenient and safe access to the two drive systems.
- the toothed belt may also be easily inspected and, where necessary, may be replaced with equal ease.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Replacement Of Web Rolls (AREA)
- Load-Engaging Elements For Cranes (AREA)
- General Induction Heating (AREA)
- Manufacture Of Motors, Generators (AREA)
- Control And Safety Of Cranes (AREA)
- Insulated Conductors (AREA)
- Magnetic Treatment Devices (AREA)
Abstract
Description
- The present invention relates to a reel handling device, in particular for cylindrical reels with a horizontal hole axis.
- These devices are used mainly in factories or warehouses where it is required to move cylindrical reels on which long strips of sheet metal, paper, plastic and the like are wound.
- These reels, which may be of considerable size and weight, have a cylindrical hollow central core inside which it is possible to insert the ends of the arms of a manipulator so as to grip said reels securely when moving them from one location to another.
- In the art it is known of reel handling devices which consist substantially of a central body which is located above a set of grippers composed of a pair of facing L-shaped jaws which are moved by an electro-mechanical or electro-hydraulic drive system housed inside the device itself. The central body comprises at the top a hooking pin by means of which the device may be hung from loading hooks or pulley blocks fitted to a bridge crane or the like.
- The jaw drive system, which is fairly bulky, is arranged underneath the hooking pin.
- The particular feature of these devices is that they depend on the cable from which they are hung, for movement thereof from one location to another, but are absolutely autonomous as regards opening and closing of the jaws. In general the electrical or hydraulic power necessary for operation of the jaws is conveyed to the device by means of pipes or cables which are hung from the bridge crane by means of cable-winding or pipe-winding devices.
- In order to increase the versatility of these devices it is known to arrange a rotating head or motor-driven thrust block between the central body and the hooking pin so as to allow complete rotation of the reels about a vertical axis. In this way it is possible to pick up the reels, irrespective of their orientation, and deposit them, arranging them as required.
- The jaw drive system, usually arranged in a central position with respect to the transverse extension of the central body, is thus located between the jaws and the thrust block.
- Such a reel handling device is described in EP-0527698 A1, which discloses all the features of the preamble of claim 1 and wherein the drive systems are located under the coupling zone.
- This solution, however, has the serious drawback that it increases the overall height of the device to the detriment of its manageability.
- In fact, since these devices are often used in large closed warehouses where, in addition to machinery and material of various kinds, the warehouse staff are also present, it is extremely difficult for the operator responsible for handling of the reels, or for the bridge crane operator, to move a device which is suspended in mid-air and which, in addition to being bulky, also partially obstructs the field of vision of said operator.
- Large overall dimensions of the device make the handling operations more difficult and less safe and increase the risks of accidental collisions due partly to the size of the zones which are hidden from the operator's sight by the shape of the device itself.
- The high productivity achieved by the present-day industries requires, however, rapid times for handling of the reels, thus imposing high speeds also for carrying out these particularly delicate operations.
- The main object of the present invention is therefore that of overcoming the aforementioned drawbacks present in the known art by providing a reel handling device which comprises a rotational head and the overall vertical dimensions of which are substantially similar to those of devices of the known type, but not equipped with the rotational head.
- A further object is that of simplifying access to the drive systems of the jaws and motor-driven thrust block in order to facilitate the maintenance and checking operations.
- A further object is that of reducing the intervention times in the event of faults or malfunctions.
- Last but not least, an object is that of ensuring safer and more simple use of the device by the operators responsible for handling thereof.
- These and still further objects are all achieved by a reel handling device as defined by claim 1 and dependent claims 2 to 5.
- Accordingly two L-shaped jaws are provided which each have a horizontal support arm slidably inserted inside a seat of matching shape formed in a central body. Each of the two arms is operated by a control screw arranged above and parallel to the two support arms. The control screws each consist of a long threaded bar rotatably associated with the central body on which a nut screw moves, said nut screw being connected to the aforementioned support arm.
- A rotating head with a vertical axis is arranged above the two threaded bars.
- The drive systems for the threaded bars and the rotating head are arranged substantially above the rotating head, alongside the coupling zone (hooking-up zone), so as to make the best possible use of the little space available.
- With the proposed solution it is therefore possible to limit considerably the dimensions of the vertical extension of the device forming the subject of the present invention and to convey the reels at greater heights from the ground, greatly reducing any risks of collision with unattentive personnel, who are not visible for the crane operator.
- By reducing the height of the device, a reasonable increase in the productivity is also obtained.
- Finally, the operator, having a wider field of vision and a smaller area hidden from his sight, is able to operate the device in a safer, more controlled, more efficient and hence faster manner.
- The reduction in the risks of collision during handling of the bulky reels is also due to the fact that some of those obstacles which had to be negotiated using the devices of the known art may now be simply avoided by passing over them.
- Further characteristic features and advantages of the present invention will emerge more clearly from the detailed description which follows of a preferred embodiment, illustrated purely by way of a non-limiting example in the accompanying drawings, in which:
- Figure 1 shows a front view of the reel handling device with some parts removed so as to show more clearly other parts thereof;
- Figure 2 shows a side view of the device according to Fig. 1 with some parts removed so as to show more clearly other parts thereof.
- With reference to the attached drawings, 1 denotes in its entirety the device for handling cylindrical reels with a substantially horizontal axis, forming the subject of the present invention.
- The device 1 consists essentially of an upper coupling zone 9 for hooking the device to a crane and of a central support body 2 with which there is associated a pair of
jaws 3,3' moved by a pair of control screws 7,7' driven by a first drive system 10. The central body 2 has arranged above it a rotating head 8 with a vertical axis, moved by asecond drive system 11. - The two
jaws 3,3' each consist of a lower L-shaped gripping zone 4,4' and an upper mounting zone 5,5' slidably inserted inside a horizontal guide 6,6' of matching shape formed in the central body 2. - The two jaws are arranged staggered with respect to one another and lie substantially in two planes parallel with each other. As can be seen in Figure 2, the two
jaws 3,3' are slightly S-shaped in a plane perpendicular to their direction of translation, such that the two lower gripping zones 4,4' are located in the centre with respect to the vertical axis of the device. - This shape of the jaws therefore serves to correct the two points of application of the weighing force of the reel (which coincide with the lower gripping zones 4,4') in such a way that the axis of the reel is always centred with respect to the transverse plane of symmetry of the horizontal guides 6,6'. The pair of control screws 7,7' is arranged at the lower part of the central support body 2 but above the upper mounting zone 5,5'. Said screws consists of a pair of horizontal threaded
bars 15,15' rotatably associated with the central body 2. - They are arranged parallel with one another.
- Each of the two upper mounting zones 5,5' of the
jaws 3,3' has acoupling fork 18,18', integral with the mounting zone 5,5', which has inserted inside it anut screw 19,19' screwed onto the threadedbar 15,15'. - The opening or closing translatory movement of the
jaws 3,3' is therefore obtained by means of the simultaneous rotational operation of both the threadedbars 15,15', the threads of which are oriented in opposite directions with respect to one other. - As clearly shown in Figure 1, each of the two threaded
bars 15,15' has mounted on one of its ends afirst pulley 14,14' moved by the first drive system 10. - The first drive system 10 is composed of a
first motor 12 coupled to afirst reduction unit 23 which transmits, in turn, the movement to asecond pulley 24. Thesecond pulley 24 causes rotation of the pair offirst pulleys 14,14' via asingle toothed belt 16. - The
toothed belt 16 is located on the outer side of the device 1 and is therefore extremely accessible and easy to check and replace. In Figure 2, 30 denotes a belt-tensioning device arranged along the trajectory of thebelt 16. - The adoption of the belt solution used for operation of the two
jaws 3,3' is made possible owing to the low output chosen for the control screws 7,7' or for the coupling consisting of threadedbar 15,15' andnut screw 19,19', as a result of which it may be ensured that breakage of thebelt 16 does not cause accidental opening of thejaws 3,3' and consequent dropping of the reel (not shown). - The rotating head 8 comprises a
toothed wheel 20 integral with an upper coupling zone 9 and apinion 21, operated by asecond drive system 11 integral with the central body 2. Thepinion 21 is moved by asecond reduction unit 25 with right-angled shafts, operated by thesecond motor 13. - Said first and
second drive systems 10, 11 are both arranged on the central support body 2 substantially above the the rotating head 8 substantially at the same level as said coupling zone 9 and alongside thereof. - The first and the
second motor - Both the
motors - Access to the two motors is protected by a
shaped casing 22 which protects said motors from dust and dirt. - The coupling zone 9 comprises two
coupling pins 26 removably inserted intoseats 27 formed in twovertical walls 28. - Following the mainly structural description given above, operation of the present invention is now described.
- Firstly the device 1 is hooked up to the hook of a bridge crane (not shown). This operation requires disengagement of the two hooking-up
pins 26 and lowering of the hook (not shown) until it is positioned inside the box-shaped structure defined by the twovertical walls 28. At this point thepins 26 may be reinserted and locked in therespective seats 27. The device must then be raised from the ground before being able to activate opening of the twojaws 3,3'. - Opening of the
jaws 3,3' is performed by the first drive device 10 which causes simultaneous rotation of the two threadedbars 15,15'. These bars, rotating, cause feeding of thenut screws 19,19' which, in turn, transmit the rectilinear movement to thecoupling forks 18,18' and hence to thejaws 3,3'. The twojaws 3,3' are moved apart until the distance between them is greater than the width of the reel (not shown) to be raised. The lower gripping zone 4,4' of thejaws 3,3' is brought into alignment with the axis of the hole in the reel. At this point the first drive system 10 is operated for closing so as to move the twojaws 3,3' closer together. Themotor 12 is stopped when bothinner flanks 29,29' of the jaws come into contact with the reel. - By operating the crane controls it is possible to transport the reel into the desired position in an extremely safe manner, taking advantage of the limited overall dimensions of the device 1. In order to avoid obstacles or also merely to orient in a different direction the reel suspended in mid-air, it is possible to operate the rotating head 8, thereby activating the
second drive system 11. - In this case the
motor 13 transmits its movement to thepinion 21 by means of thesecond reduction unit 25. The rotation of thepinion 21 on thetoothed wheel 20 results in rotation of the central body 2 with respect to the coupling zone 9, i.e. of the suspended reel with respect to the crane hook. - The present invention therefore achieves the preset objects. The arrangement of the two motors alongside the coupling zone, in addition to permitting a considerable reduction in the height of the device, also ensures extremely convenient and safe access to the two drive systems. The toothed belt may also be easily inspected and, where necessary, may be replaced with equal ease.
- From the point of view of safety, it is quite clear that the smaller height of the device allows the transportation of reels suspended from it at heights greater than those possible using the devices of the known type. This fact makes it possible to pass over all those obstacles which previously required complex negotiating manoeuvres by the bridge crane operator.
- Obviously the present invention may also assume, in its practical embodiment, forms and configurations different from those illustrated above without thereby departing from the present scope of protection.
Claims (5)
- Reel handling device comprising:an upper coupling zone (9) for hooking the device to a crane;a central support body (2);a pair of jaws (3, 3') each consisting substantially of a lower L-shaped gripping zone (4, 4') and an upper mounting zone (5, 5') slidably inserted inside a guide (6, 6') of matching shape formed in the central support body (2);translating means (7, 7') provided at the lower part of the central support body (2) but above the upper mounting zone (5, 5') of said pair of jaws (3, 3'), for opening and closing the jaws (3, 3') and moved by a first drive system (10);a rotating head (8) provided between the upper coupling zone (9) and the central support body (2) and operated by a second drive system (11); characterized in that said first and second drive systems (10, 11) are both arranged on the central support body (2) substantially above the rotating head (8) substantially at the same level as said coupling zone (9) and alongside thereof.
- Device according to Claim 1, characterized in that said translation means comprise a pair of control screws (7,7').
- Device according to Claim 2, characterized in that said pair of control screws (7,7') comprises, for each jaw (3,3'), a horizontal threaded bar (15,15') carrying a pulley (14,14') arranged at one of the ends of the bar (15,15') itself and connected to the first drive system (10) by means of a drive belt (16).
- Device according to Claim 3, characterized in that said two control screws (7,7') are arranged alongside each other and parallel to one another.
- Device according to Claim 1, characterized in that the rotating head (8) comprises:a horizontal toothed wheel (20) integral with the said coupling zone (9);a pinion (21) integral with the central support body (2) and operated by the said second drive system (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9630105T SI0802146T1 (en) | 1996-04-19 | 1996-12-18 | Reel handling device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITUD960019U | 1996-04-19 | ||
IT1996UD000019U IT242065Y1 (en) | 1996-04-19 | 1996-04-19 | COIL HANDLING DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0802146A1 EP0802146A1 (en) | 1997-10-22 |
EP0802146B1 true EP0802146B1 (en) | 1999-07-21 |
Family
ID=11422022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96830633A Expired - Lifetime EP0802146B1 (en) | 1996-04-19 | 1996-12-18 | Reel handling device |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0802146B1 (en) |
AT (1) | ATE182319T1 (en) |
DE (1) | DE69603349T2 (en) |
DK (1) | DK0802146T3 (en) |
ES (1) | ES2136967T3 (en) |
GR (1) | GR3031501T3 (en) |
IT (1) | IT242065Y1 (en) |
SI (1) | SI0802146T1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006010006B3 (en) * | 2006-03-03 | 2007-12-13 | Wimo Hebetechnik Gmbh | Holder to carry heavy loads, e.g. coils and the like, has legs with paws to support the loads and further legs with paws to carry a scrap trough independently |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10031224A1 (en) * | 2000-06-27 | 2002-01-17 | Pps Personal Produktions Und S | Coil clamp for accommodating steel coil has at least one of two edge protection holders that can be tilted with respect to clamp arms about horizontal lateral axis |
ES2200610B1 (en) * | 2000-12-19 | 2005-05-01 | Jose Maria Mañez Verdu, S.A. | MOBILE CLAMP |
DE20321681U1 (en) | 2003-09-11 | 2008-12-18 | Wimo Hebetechnik Gmbh | telescopic pliers |
DE102008042920B4 (en) | 2008-10-16 | 2017-06-01 | Wimo Hebetechnik Gmbh | telescopic pliers |
JP6546883B2 (en) * | 2016-06-27 | 2019-07-17 | 株式会社関ヶ原製作所 | Suspended item holding device |
CN106429818B (en) * | 2016-11-24 | 2018-03-13 | 芜湖新兴铸管有限责任公司 | Electric lifting tool |
CN106429810B (en) * | 2016-11-24 | 2017-12-01 | 芜湖新兴铸管有限责任公司 | Electric lifting tool |
CN106429795A (en) * | 2016-12-13 | 2017-02-22 | 天津塔尔森科技发展有限公司 | Novel steel pipe lifting device |
CN107716734A (en) * | 2017-11-29 | 2018-02-23 | 滁州达世汽车配件有限公司 | One kind is used to install large stamping die hoisting device |
CN109823958A (en) * | 2019-02-26 | 2019-05-31 | 广州华商职业学院 | It is a kind of applied in engineering management suspending hook apart from adjustment structure |
CN111762682B (en) * | 2020-07-10 | 2021-04-02 | 浙江浙建钢结构有限公司 | Gantry crane device for bridge construction |
CN113304506A (en) * | 2021-07-02 | 2021-08-27 | 刘景阳 | Extraction device of Xiangjian tea |
CN116443710B (en) * | 2023-06-14 | 2023-09-01 | 山东中泰弘业新能源科技有限公司 | Clamp for hoisting crushing teeth of intelligent crusher |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2462691A (en) * | 1945-01-05 | 1949-02-22 | Nat Steel Corp | Apparatus for transferring material |
FR1423089A (en) * | 1964-11-20 | 1966-01-03 | Clamshell and self-clamping for various objects such as wooden logs, preferably carried by the cable of a crane | |
FR2534895A1 (en) * | 1982-10-25 | 1984-04-27 | Greze Andre | Variable capacity handling apparatus, with automatic grasping, opening of bottom sections and tipping device for emptying |
DD245180A1 (en) * | 1985-12-24 | 1987-04-29 | Bauwesen Ingbuero Veb | DEVICE FOR HANDLING QUADRED LOADS WITH VARIABLE DIMENSIONS |
DE4126573C2 (en) * | 1991-08-12 | 1996-07-11 | Lbl Lager Und Betriebstechnik | Device for transporting and storing heavy cylindrical objects |
DE4217333C2 (en) * | 1992-05-26 | 2002-01-31 | Wimo Hebetechnik Gmbh | Load lifting equipment |
-
1996
- 1996-04-19 IT IT1996UD000019U patent/IT242065Y1/en active
- 1996-12-18 EP EP96830633A patent/EP0802146B1/en not_active Expired - Lifetime
- 1996-12-18 ES ES96830633T patent/ES2136967T3/en not_active Expired - Lifetime
- 1996-12-18 DK DK96830633T patent/DK0802146T3/en active
- 1996-12-18 AT AT96830633T patent/ATE182319T1/en not_active IP Right Cessation
- 1996-12-18 DE DE69603349T patent/DE69603349T2/en not_active Expired - Fee Related
- 1996-12-18 SI SI9630105T patent/SI0802146T1/en unknown
-
1999
- 1999-10-13 GR GR990402595T patent/GR3031501T3/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006010006B3 (en) * | 2006-03-03 | 2007-12-13 | Wimo Hebetechnik Gmbh | Holder to carry heavy loads, e.g. coils and the like, has legs with paws to support the loads and further legs with paws to carry a scrap trough independently |
Also Published As
Publication number | Publication date |
---|---|
GR3031501T3 (en) | 2000-01-31 |
DK0802146T3 (en) | 2000-02-21 |
EP0802146A1 (en) | 1997-10-22 |
SI0802146T1 (en) | 1999-12-31 |
ATE182319T1 (en) | 1999-08-15 |
DE69603349D1 (en) | 1999-08-26 |
ES2136967T3 (en) | 1999-12-01 |
IT242065Y1 (en) | 2001-06-04 |
DE69603349T2 (en) | 2000-02-24 |
ITUD960019U1 (en) | 1997-10-19 |
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