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Patent Searching and Data


Title:
WRENCH
Document Type and Number:
WIPO Patent Application WO/2012/066906
Kind Code:
A1
Abstract:
Provided is a motor wrench (1) in which a movable body (3) having a lower jaw part (31) is engaged with a grip lever (2) having an upper jaw part (21) in a manner such that a worm body (33) is rotated to slide along rack teeth (23). The motor wrench (1) comprises: a bolt member (34) for rotatably supporting the worm body (33) between a tip end part (322) and a base end part (323) of the movable body (3); a nut member (35) fixed to a male screw part (341) of the bolt member (34) and freely fitted in a groove part (325) of the movable body (3); and a lever (4) including a base end part (42) supported by a head part (342) of the bolt member (34). When the lever (4) is operated with the head part (342) of the bolt member (34) serving as a support point, a pressing force is applied from an action point part (43) on an opposing surface (422) of the lever (4) to the base end part (323) of the movable body (3) so that the worm body (33) is pressed against the inside of a notch part (321).

Inventors:
YAMAGUCHI Taichi (6039-29, Koguma Hidakagawa-chou, Hidaka-gu, Wakayama 23, 〒6491323, JP)
Application Number:
JP2011/074512
Publication Date:
May 24, 2012
Filing Date:
October 25, 2011
Export Citation:
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Assignee:
YAMAGUCHI Taichi (6039-29, Koguma Hidakagawa-chou, Hidaka-gu, Wakayama 23, 〒6491323, JP)
International Classes:
B25B13/14
Foreign References:
JPS58501314A
JPS49134599U
US4794824A
US5048380A
US4472986A
JPH0215871U
JPH10217139A
JPS57112871U
Attorney, Agent or Firm:
SUGIMOTO Katsunori (13-9, Shitennoji 1-chome Tennoji-ku,,Osaka-sh, Osaka 51, 〒5430051, JP)
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Claims: