EP0058219A1 - Clé universelle à gradins à prise intérieure - Google Patents

Clé universelle à gradins à prise intérieure Download PDF

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Publication number
EP0058219A1
EP0058219A1 EP81103750A EP81103750A EP0058219A1 EP 0058219 A1 EP0058219 A1 EP 0058219A1 EP 81103750 A EP81103750 A EP 81103750A EP 81103750 A EP81103750 A EP 81103750A EP 0058219 A1 EP0058219 A1 EP 0058219A1
Authority
EP
European Patent Office
Prior art keywords
engagement
nipples
allen key
key according
grooves
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
Application number
EP81103750A
Other languages
German (de)
English (en)
Other versions
EP0058219B1 (fr
Inventor
Werner Jungmann
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.)
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6724707&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0058219(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT81103750T priority Critical patent/ATE10454T1/de
Publication of EP0058219A1 publication Critical patent/EP0058219A1/fr
Application granted granted Critical
Publication of EP0058219B1 publication Critical patent/EP0058219B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/008—Allen-type keys

Definitions

  • the invention relates to an Allen key with a square end and an engagement end for radiator screw nipples or return nipples.
  • nipples When replacing old valves in old radiators, nipples must be unscrewed and screwed back in. There are different sizes and shapes of the nipples, but all nipples are held in inches. To operate the nipples, they have either a hexagon socket or two opposing cams on the inside. There are practically five different hexagon socket sizes and four different cam arrangements. To unscrew the nipple, the craftsman had to have several different keys ready.
  • the invention has for its object to provide an Allen key that fits all practically occurring radiator screw nipples or return nipples.
  • the engagement section 1 is preferably made of hardened tool steel and has a square end 1 and then four engagement sections 2, 3, 4, 5.
  • the size of the cross sections of the engagement sections 2 to 5 is graded, that is, the engagement section adjacent to the square end 1 is the largest and the most distant Engagement section 5 has the smallest cross section.
  • the geometric shape of the engagement sections corresponds to hexagon screw heads as they occur in nipples of 1, 3/4, 1/2 and 3/8 inches and have the following distances between parallel surfaces: 22mm, 16.8mm, 13.8mm tapering to 12mm and 9.8 mm.
  • a groove 6, 7, 8, 9, which extends in the axial direction, is provided on two opposing hexagonal surfaces of each engagement section 2 to 5.
  • the axes of the groove sections 2 to 5 are aligned with one another, as are the grooves 6 to 9.
  • the grooves 6 to 9 form, as it were, an inclined groove on the outside of the "step pyramid" formed by the engagement sections 2 to 5.
  • the axial lengths of the engagement sections 2 to 5 are selected to be of different sizes, namely each engagement section has the minimum length which is required to grasp the cams in the nipples which occur in practice.
  • the lengths of the engagement sections 2 to 5, without transition bevel, viewed from the square end 1, are approximately 14 mm, 10 mm, 17 mm and 16 mm.
  • the length of engagement of the tool (with ratchet wrench) is approximately 87 mm.
  • the grooves 6 to 9 have an approximately semicircular cross section, the width of which decreases from 5 mm in the engagement section 2 to 3 mm in the engagement section -5.
  • the engagement sections 2 to 5 are otherwise designed to be slightly tapered, in the order in which they decrease in cross-section, ie from left to right in FIG. 1.
  • the square end 1 is 1/2-inch, that is, the mutually parallel side surfaces are at a distance of 12.2 to 12.7 mm.
  • a locking ball 10 can also be provided, which sits in a bore of the square end 1, is pushed outwards by an inserted spring, but cannot leave the bore because the outer edge of the bore is caulked.
  • FIG. 4 shows a modification of the Allen key, namely a further step 14 is provided on the engagement section 4.
  • the engagement sections (without transition bevels) have the following lengths: 14 mm, 10 mm, 14 mm, 6 mm (step 14) and 15mm.
  • the total length of the tool before being placed on a ratchet wrench is 82.5 mm; When the ratchet wrench is attached, a free space (working space) of 87 mm width is required between the nipple and radiator recess.
  • the longitudinally extending grooves 6, 7, 8, 18, 9 are stepped deep and have a width of 3 mm (groove 9) to 6 mm (groove 6) with a semicircular cross section.
  • the groove axes 6, 7, 8, 18, 9 are contained in a cross-sectional plane and are offset from one another in stages in accordance with the engagement sections.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Connection Of Plates (AREA)
  • Mechanical Control Devices (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Surgical Instruments (AREA)
EP81103750A 1981-02-16 1981-05-15 Clé universelle à gradins à prise intérieure Expired EP0058219B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81103750T ATE10454T1 (de) 1981-02-16 1981-05-15 Universalstufenschluessel fuer inneneingriff.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19818104183U DE8104183U1 (de) 1981-02-16 1981-02-16 Inbusschluessel
DE8104183U 1981-02-16

Publications (2)

Publication Number Publication Date
EP0058219A1 true EP0058219A1 (fr) 1982-08-25
EP0058219B1 EP0058219B1 (fr) 1984-11-28

Family

ID=6724707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81103750A Expired EP0058219B1 (fr) 1981-02-16 1981-05-15 Clé universelle à gradins à prise intérieure

Country Status (3)

Country Link
EP (1) EP0058219B1 (fr)
AT (1) ATE10454T1 (fr)
DE (2) DE8104183U1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4341658A1 (de) * 1993-12-07 1995-06-08 Uwe Spaeth Zapfenschlüssel
GB2285940A (en) * 1994-01-27 1995-08-02 Malcolm Turner Fastening system
KR100834889B1 (ko) * 2006-11-02 2008-06-03 호남석유화학 주식회사 전이금속 화합물, 프로필렌 중합용 촉매, 및 상기 촉매를이용한 프로필렌 중합체의 제조방법
US8037788B2 (en) * 2008-07-24 2011-10-18 Dionex Corporation Tight-spot fitting and driver, and method of use thereof
US9757171B2 (en) 2009-09-18 2017-09-12 Biomet C.V. Disposable orthopedic surgery kit and components
US10390867B2 (en) 2009-09-18 2019-08-27 Biomet C.V. Bone plate system and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8418588U1 (de) * 1984-06-15 1984-10-04 Mecron Medizinische Produkte Gmbh, 1000 Berlin Schraube

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7721064U1 (de) * 1977-07-02 1977-10-13 Joh. Vaillant Kg, 5630 Remscheid Steckeinsatz
DE7919953U1 (de) * 1979-07-12 1979-10-25 Blikob V/W. Johansen, Hellerup (Daenemark) Innensechskantschluessel
DE8011130U1 (de) * 1980-09-18 Blikob V/W. Johansen, Hellerup (Daenemark) Werkzeug zum Einschrauben von Fittings u.dgl

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8011130U1 (de) * 1980-09-18 Blikob V/W. Johansen, Hellerup (Daenemark) Werkzeug zum Einschrauben von Fittings u.dgl
DE7721064U1 (de) * 1977-07-02 1977-10-13 Joh. Vaillant Kg, 5630 Remscheid Steckeinsatz
DE7919953U1 (de) * 1979-07-12 1979-10-25 Blikob V/W. Johansen, Hellerup (Daenemark) Innensechskantschluessel

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4341658A1 (de) * 1993-12-07 1995-06-08 Uwe Spaeth Zapfenschlüssel
DE4341658C2 (de) * 1993-12-07 1999-01-14 Uwe Spaeth Zapfenschlüssel
GB2285940A (en) * 1994-01-27 1995-08-02 Malcolm Turner Fastening system
KR100834889B1 (ko) * 2006-11-02 2008-06-03 호남석유화학 주식회사 전이금속 화합물, 프로필렌 중합용 촉매, 및 상기 촉매를이용한 프로필렌 중합체의 제조방법
US8037788B2 (en) * 2008-07-24 2011-10-18 Dionex Corporation Tight-spot fitting and driver, and method of use thereof
US9757171B2 (en) 2009-09-18 2017-09-12 Biomet C.V. Disposable orthopedic surgery kit and components
US10390867B2 (en) 2009-09-18 2019-08-27 Biomet C.V. Bone plate system and method
US11045234B2 (en) 2009-09-18 2021-06-29 Biomet C.V. Bone plate system and method

Also Published As

Publication number Publication date
DE3167413D1 (en) 1985-01-10
DE8104183U1 (de) 1981-11-12
EP0058219B1 (fr) 1984-11-28
ATE10454T1 (de) 1984-12-15

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