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EP0248766B1 - Werkzeug zum Körnen und Anreissen von Werkstücken - Google Patents

Werkzeug zum Körnen und Anreissen von Werkstücken Download PDF

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Publication number
EP0248766B1
EP0248766B1 EP87810320A EP87810320A EP0248766B1 EP 0248766 B1 EP0248766 B1 EP 0248766B1 EP 87810320 A EP87810320 A EP 87810320A EP 87810320 A EP87810320 A EP 87810320A EP 0248766 B1 EP0248766 B1 EP 0248766B1
Authority
EP
European Patent Office
Prior art keywords
hollow shafts
center
centre
tool
spacer sleeves
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
Application number
EP87810320A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0248766A2 (de
EP0248766A3 (en
Inventor
am Gütsch AG RESIDENZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Residenz Am Guetsch AG
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT87810320T priority Critical patent/ATE60268T1/de
Publication of EP0248766A2 publication Critical patent/EP0248766A2/de
Publication of EP0248766A3 publication Critical patent/EP0248766A3/de
Application granted granted Critical
Publication of EP0248766B1 publication Critical patent/EP0248766B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H7/00—Marking-out or setting-out work
    • B25H7/04—Devices, e.g. scribers, for marking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D5/00—Centre punches

Definitions

  • the punctiform or line-like markings in the surface of a workpiece made of metal, wood or plastic are made using a center pin made of hard metal, marking and grainings in holes or on shafts as well as line-like scratches for scribing purposes in slot-like depressions can only be done with great accuracy It takes time and requires manual skill, because it is difficult to quickly and precisely determine the center of holes or the longitudinal center of slots and grooves, which is why errors are common. Removing a broken screw in a workpiece is also cumbersome. The broken screw in the workpiece has to be drilled out and it is usually only possible to determine the center for attaching a drilling tool to carry out the drilling.
  • the invention relates to a tool for graining and marking out workpieces, as it is e.g. is known from US-A-3 192 640.
  • the present invention has for its object to find the center of any cylindrical, conical and stepped holes or the longitudinal center in slots and on shafts safely and quickly to make point or line-like markings in a workpiece surface. By quickly and easily centering on a screw, a pin or a shaft, the cumbersome clamping in a turning unit can be saved.
  • the grain pin 1 denotes a grain pin made of hard metal, which is provided on one end with a tip 2 and on the other hand with a striking head 3.
  • the length of the center pin is approx. 7 cm and the thickness approx.
  • On the grain pin 1 is a group consisting of several pieces telescopically interlocking, displaceable hollow shafts 4 is mounted. Depending on the type of use, fewer or more than seven hollow shafts can be used.
  • the spacer bushings have different widths and diameters from one another.
  • the hollow shafts 4 and the spacers 5 each consist of one piece, but they can also be individual parts which are connected to one another by welding, or are formed from one piece.
  • the widths of the hollow shafts 4 increase from bottom to top by approx. 1 mm each, those of the spacer bushes 5, on the other hand, increase from top to bottom by approx. 1 mm.
  • locking screws 6 are attached to the peripheral sides of the spacers, the heads of which protrude.
  • the spacers 5 can be fixed on the center pin 1 with the hollow shafts 4.
  • a rubber band 7 is placed over part of the locking screws 6 as a traction means and the purpose is to pull the spacers 5 together and to keep the hollow shafts 4 apart when the locking screws 6 are not tightened.
  • the independent dropping of the grain pin 1 during the grain work can be prevented and the tool can be kept in the ready position.
  • the fourth hollow shaft 4 fits into the hole 9, while the remaining larger hollow shafts rest on the workpiece 8. 5, the lock 9 is very small, in FIG. 6, however, it is several times larger.
  • the bottom hollow shaft is where the other hollow shafts are telescoped.
  • the center pin 1 or the tip 2 is located exactly in the center of the hole 9.
  • the spacers 5 lie on top of each other.
  • a hollow shaft 4 surrounds a shaft 8 'and the tip of the grain pin 1 lies against the end face thereof, where the grain is carried out. The same is the case if there is a pin instead of the shaft 8 '.
  • Two hollow shanks 4 resting on the workpiece 8 serve as a right-angled, supporting support, which make it difficult to tilt the tool.
  • the workpiece 8 can lie on a further workpiece 10 shown in FIGS. 8, 9 and 11 and by striking the center pin grains are produced on its surface, which are conical depressions.
  • scribe lines can also be drawn in slots or channels exactly in the longitudinal center thereof. scratch.
  • the lower part of the tool with the center pin 1 with a matching hollow shaft is easy to insert into the slot 9 ', the groove 9 "of the shaft 8' or the pin, the tip 2 automatically taking exactly the longitudinal position shown by dash-dotted lines.
  • longitudinal scribe lines 18 are formed in the slot or in the groove.
  • the intersecting points of the scribe lines in the slots or grooves show the cross points exactly.
  • Fig. 10 are still Four different sized holes 9 are available, the centers of which can be determined quickly and precisely with the tool for the purpose of carrying out granulations.
  • the distance adjuster 12 shown in FIG. 11 is used to create a group of indentations on the workpiece 8 that are equally spaced from one another. have it fixed by means of the clamping screws 17 so that the distance of the center pin 1 can be set and secured precisely. If the feeler pin 16 is inserted into a notch previously produced by the center pin, the center pin 1 assumes a position distant from this. When this process is repeated, with the sensor mandrel being inserted into the newly created notch, a group of uniformly spaced-apart depressions 11 can easily be produced using a conventional pipe tool (FIG. 11a).
  • the tool described is particularly suitable for craftsmen such as mechanics, locksmiths, toolmakers, carpenters and hobbyists who carry out work in which the centers of holes or the longitudinal center of slots and channels, shafts and pins, as well as the cross points of intersecting slots or Channels are to be determined. Drilling out broken screws without risking damage to the thread in the workpiece becomes possible due to the possibility of attaching a centrically accurate grain to the point where the screw breaks off, which acts as an orientation aid when attaching the drilling tool to be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Jigs For Machine Tools (AREA)
EP87810320A 1986-06-03 1987-06-03 Werkzeug zum Körnen und Anreissen von Werkstücken Expired - Lifetime EP0248766B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87810320T ATE60268T1 (de) 1986-06-03 1987-06-03 Werkzeug zum koernen und anreissen von werkstuecken.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2236/86A CH669551A5 (es) 1986-06-03 1986-06-03
CH2236/86 1986-06-03

Publications (3)

Publication Number Publication Date
EP0248766A2 EP0248766A2 (de) 1987-12-09
EP0248766A3 EP0248766A3 (en) 1989-01-25
EP0248766B1 true EP0248766B1 (de) 1991-01-23

Family

ID=4229042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87810320A Expired - Lifetime EP0248766B1 (de) 1986-06-03 1987-06-03 Werkzeug zum Körnen und Anreissen von Werkstücken

Country Status (6)

Country Link
US (1) US4823468A (es)
EP (1) EP0248766B1 (es)
JP (1) JPS6339774A (es)
AT (1) ATE60268T1 (es)
CH (1) CH669551A5 (es)
DE (1) DE3767571D1 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5144750A (en) * 1991-10-25 1992-09-08 Mandel Linda L Listing apparatus
US5528809A (en) * 1994-01-14 1996-06-25 Green; Jace N. Dual-sided bushing installation tool for vehicle transmissions
US5590474A (en) * 1995-08-08 1997-01-07 Newport News Shipbuilding And Dry Dock Company Flange bolt hole alignment pin
US6240642B1 (en) * 1999-08-05 2001-06-05 Roger D. Templeton Compact pruning saw
JP5180487B2 (ja) * 2007-02-08 2013-04-10 株式会社岡田金属工業所 位置決め具
BR202012013220Y1 (pt) * 2012-06-01 2018-12-18 Roberto Lujan Jardim Alves disposição aplicada em perfurador de paredes
USD782042S1 (en) 2015-03-25 2017-03-21 Medtronic Ps Medical, Inc. Surgical tool
US10314610B2 (en) 2015-03-25 2019-06-11 Medtronic Ps Medical, Inc. Slanted drive axis rotary surgical cutting tools and powered handpieces
USD790699S1 (en) 2015-03-25 2017-06-27 Medtronic Ps Medical, Inc. Surgical tool
US10080579B2 (en) 2015-03-25 2018-09-25 Medtronic Ps Medical, Inc. Pin drive rotary surgical cutting tools and powered handpieces
USD800907S1 (en) 2015-03-25 2017-10-24 Medtronic Ps Medical, Inc. Surgical tool
USD800906S1 (en) 2015-03-25 2017-10-24 Medtronic Ps Medical, Inc. Surgical tool
CN104942875B (zh) * 2015-06-29 2016-08-31 国网山东省电力公司蓬莱市供电公司 一种自动钉孔机
USD800903S1 (en) 2016-02-09 2017-10-24 Medtronic Ps Medical, Inc. Surgical tool
US10849634B2 (en) 2018-06-20 2020-12-01 Medtronic Xomed, Inc. Coupling portion for rotary surgical cutting systems
US11234712B2 (en) 2019-10-25 2022-02-01 Warsaw Orthopedic, Inc. Medical access device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191510258A (en) * 1915-07-14 1916-03-23 Thomas Butson Improved Tool for Marking the PositionS of Rivet Holes and the like.
DE362692C (de) * 1921-09-08 1922-10-30 Rudolf Schmelzling Werkzeug zum Ankoernen von Metallflaechen
US1541078A (en) * 1923-02-27 1925-06-09 Sudweeks Jonathan Punch
US1563574A (en) * 1923-09-04 1925-12-01 Whitney Metal Tool Company Hollow punch
US2480399A (en) * 1948-01-13 1949-08-30 Vincent A Dolaser Center punch
US2595347A (en) * 1949-02-22 1952-05-06 Flemming Paul Svend Hakon Center punch
CH293460A (fr) * 1951-09-13 1953-09-30 Bricout Alfred Calibreur d'alésages.
US2795052A (en) * 1956-10-08 1957-06-11 Felenchak William Combination transferring punch and locating center punch
US3162958A (en) * 1961-10-26 1964-12-29 Don R Miehls Center finder
US3192640A (en) * 1963-05-03 1965-07-06 Joseph I Fournier Universal precision transfer center punch
US3791034A (en) * 1972-03-23 1974-02-12 C Carver Hole punching tool
US4087912A (en) * 1976-01-21 1978-05-09 Granone Charles J Punch
US4069586A (en) * 1976-05-19 1978-01-24 Skelton Horace C Center punch

Also Published As

Publication number Publication date
DE3767571D1 (de) 1991-02-28
ATE60268T1 (de) 1991-02-15
EP0248766A2 (de) 1987-12-09
EP0248766A3 (en) 1989-01-25
US4823468A (en) 1989-04-25
CH669551A5 (es) 1989-03-31
JPS6339774A (ja) 1988-02-20

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