WO1995000297A1 - Cle d'un type nouveau - Google Patents

Cle d'un type nouveau Download PDF

Info

Publication number
WO1995000297A1
WO1995000297A1 PCT/CN1994/000032 CN9400032W WO9500297A1 WO 1995000297 A1 WO1995000297 A1 WO 1995000297A1 CN 9400032 W CN9400032 W CN 9400032W WO 9500297 A1 WO9500297 A1 WO 9500297A1
Authority
WO
WIPO (PCT)
Prior art keywords
angle
wrench
opening
center
length
Prior art date
Application number
PCT/CN1994/000032
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
Ruixian Chen
Original Assignee
Ruixian Chen
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 Ruixian Chen filed Critical Ruixian Chen
Priority to EP94913474A priority Critical patent/EP0747173A1/de
Priority to AU65626/94A priority patent/AU6562694A/en
Publication of WO1995000297A1 publication Critical patent/WO1995000297A1/zh

Links

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
    • B25B13/00—Spanners; Wrenches
    • B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
    • 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
    • B25B13/00—Spanners; Wrenches
    • B25B13/02—Spanners; Wrenches with rigid jaws
    • B25B13/08—Spanners; Wrenches with rigid jaws of open jaw type
    • 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
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/481—Spanners; Wrenches for special purposes for operating in areas having limited access

Definitions

  • the invention relates to a hand tool for various hexagonal fasteners.
  • the purpose of the present invention is to address the above-mentioned problems, can the main technical indicators meet the current country?
  • it makes the insertion more convenient, does not hurt the angle, does not slip, and is suitable for use in narrow positions less than 30 °.
  • It is easy to manufacture and has low cost.
  • the comprehensive comprehensive index is relatively high, which is conducive to implementation, forms a product, and is easy to promote.
  • the technical feature of this solution is that a special geometric shape is designed in the opening of the dead spanner and the two force-bearing edges, and there are two stations that mutually form an angle ⁇ in the same rotation direction.
  • the angle ⁇ is determined in the range of 10 ° -22 °.
  • the workpiece entrance is formed by two inclined surfaces. The formation of this geometry is shown in Figures 1 and 2.
  • the center of the opening of the wrench is YY', a regular hexagon equivalent to a hexagonal fastener
  • the initial position of ABCDEF is shown in the figure, and the center point is 0.
  • the two points I, H, J, and K are the four stress points.
  • this figure 00 ' is one eighth of the side length and the angle ⁇ is 15 °.
  • the formation of the opening line of the wrench is as shown in the figure.
  • the getter angle a is designed as shown in the figure. This constitutes a polyline at the opening of the wrench.
  • the wrench has two stations at an angle of ⁇ in the same rotation direction. It can be used continuously without turning when the rotation angle of the wrench handle is greater than 30 °, and it can be turned in a narrow position less than 30 °.
  • the force points are within 0. 55-0. 85 of the length of the regular hexagon. This enhances the torque bearing performance of the workpiece and prevents slipping.
  • some angles have been added to the system wrench, it is still easy to implement.
  • the corresponding production cost is only slightly higher than that of traditional dead wrenches, which is conducive to promotion.
  • the form in Fig. 2 is mainly used for larger specifications of hexagonal fasteners, and does not consider the use of narrow positions less than 30 °.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Rolling Contact Bearings (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
PCT/CN1994/000032 1993-06-21 1994-04-29 Cle d'un type nouveau WO1995000297A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP94913474A EP0747173A1 (de) 1993-06-21 1994-04-29 Schranbenschlüssel
AU65626/94A AU6562694A (en) 1993-06-21 1994-04-29 A novel wrench

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN93216345U CN2176871Y (zh) 1993-06-21 1993-06-21 一种便于使用的新型呆扳手
CN93216345.9 1993-06-21

Publications (1)

Publication Number Publication Date
WO1995000297A1 true WO1995000297A1 (fr) 1995-01-05

Family

ID=5005455

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN1994/000032 WO1995000297A1 (fr) 1993-06-21 1994-04-29 Cle d'un type nouveau

Country Status (4)

Country Link
EP (1) EP0747173A1 (de)
CN (1) CN2176871Y (de)
AU (1) AU6562694A (de)
WO (1) WO1995000297A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2752183A1 (fr) * 1996-08-12 1998-02-13 Simplet Serge Cle plate a commande de rotation alternative et manuelle
AU701290B2 (en) * 1995-05-04 1999-01-21 Gerhard Schmauser Modular building framework

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2760206B1 (fr) * 1997-02-28 1999-04-16 Facom Cle cliquetante
DE19854374B4 (de) 1998-11-25 2004-07-01 Hirse-Patent-Lizenz-Gmbh Gabelschlüssel
DE10020379C1 (de) * 2000-04-26 2002-01-24 Hirse Patent Lizenz Gmbh Ratschengabelschlüssel
DE10123670C1 (de) * 2001-05-16 2002-11-07 Hirse Patent Lizenz Gmbh Gabelschlüssel
DE102020105099B3 (de) 2020-02-27 2021-07-08 Wera Werkzeuge Gmbh Maulschlüssel
DE202020101066U1 (de) 2020-02-27 2021-05-28 Wera Werkzeuge Gmbh Maulschlüssel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671368A (en) * 1951-03-12 1954-03-09 Diebold Fritz Wrench, including movable or stationary jaws
CN87200544U (zh) * 1987-01-13 1987-10-14 李常青 扳手
CN2037289U (zh) * 1988-04-19 1989-05-10 郑潮 单向开口扳手
CN2071566U (zh) * 1990-07-18 1991-02-20 漆明远 一种新型呆扳手
CN2100285U (zh) * 1991-09-11 1992-04-01 国营北京市东北旺工具厂 异型扳手
US5131312A (en) * 1989-09-18 1992-07-21 Macor Richard J Surface conforming, torque enhancing wrench

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB289703A (en) * 1927-09-27 1928-05-03 Alfred Henry Witter Improvements in or relating to spanners or wrenches
US3850057A (en) * 1973-11-23 1974-11-26 Johnson P Combination torqueing and ratcheting wrench
US3955450A (en) * 1975-04-25 1976-05-11 James R. Head Adjustable wrench for torqueing and ratcheting a symmetrical polygon member
GB2080171A (en) * 1980-07-24 1982-02-03 Harris Alexander Spanner
US4889020A (en) * 1987-08-31 1989-12-26 Baker David R Open end ratchet type wrench

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671368A (en) * 1951-03-12 1954-03-09 Diebold Fritz Wrench, including movable or stationary jaws
CN87200544U (zh) * 1987-01-13 1987-10-14 李常青 扳手
CN2037289U (zh) * 1988-04-19 1989-05-10 郑潮 单向开口扳手
US5131312A (en) * 1989-09-18 1992-07-21 Macor Richard J Surface conforming, torque enhancing wrench
CN2071566U (zh) * 1990-07-18 1991-02-20 漆明远 一种新型呆扳手
CN2100285U (zh) * 1991-09-11 1992-04-01 国营北京市东北旺工具厂 异型扳手

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0747173A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU701290B2 (en) * 1995-05-04 1999-01-21 Gerhard Schmauser Modular building framework
FR2752183A1 (fr) * 1996-08-12 1998-02-13 Simplet Serge Cle plate a commande de rotation alternative et manuelle
WO1998006543A1 (fr) * 1996-08-12 1998-02-19 Serge Simplet Cle plate a commande de rotation alternative et manuelle

Also Published As

Publication number Publication date
EP0747173A1 (de) 1996-12-11
CN2176871Y (zh) 1994-09-14
AU6562694A (en) 1995-01-17
EP0747173A4 (de) 1996-08-23

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