Title:
CONNECTION STRUCTURE OF SOCKET WRENCH
Document Type and Number:
WIPO Patent Application WO/2001/070465
Kind Code:
A1
Abstract:
A connection mechanism of a socket wrench for the anvil of a driving tool such as impact wrench not affected by a centrifugal force due to high speed rotation and the weight of a socket itself, wherein a stepped through-hole having a smaller diameter on the inside thereof is provided on the square hole side of the socket wrench in a direction crossed perpendicular to the axis of the socket wrench, a lock pin having a generally semi-spherical head part and a cylindrical leg part is inserted therein through a spring, and a ring fitted onto the outer periphery of the square hole part of the socket wrench is slid or rotated in the axial direction of the socket so as to allow the leg part of the lock pin to move forward and backward inside the square hole.
Inventors:
OSHIOKA MASASHI (JP)
HIRAKATA YUJI (JP)
IMAI AKIFUMI (JP)
HIRAKATA YUJI (JP)
IMAI AKIFUMI (JP)
Application Number:
PCT/JP2001/002322
Publication Date:
September 27, 2001
Filing Date:
March 22, 2001
Export Citation:
Assignee:
KYOTO TOOL CO LTD (JP)
OSHIOKA MASASHI (JP)
HIRAKATA YUJI (JP)
IMAI AKIFUMI (JP)
OSHIOKA MASASHI (JP)
HIRAKATA YUJI (JP)
IMAI AKIFUMI (JP)
International Classes:
B25B23/00; F16D1/108; (IPC1-7): B25B21/00; F16D1/10
Foreign References:
| JPS6364428U | 1988-04-28 | |||
| JPH10193278A | 1998-07-28 | |||
| US5975815A | 1999-11-02 | |||
| JPS6224029A | 1987-02-02 | |||
| JPS63154816U | 1988-10-12 | |||
| JPS60100160U | 1985-07-08 | |||
| US3932904A | 1976-01-20 |
Attorney, Agent or Firm:
KYOTO TOOL CO., LTD. RESEARCH & DEVELOPMENT DEPARTMENT (40 Shimotobaosasa-cho Fushimi-ku Kyoto-shi Kyoto-fu, JP)
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