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Patent Searching and Data


Title:
AN ADJUSTABLE WRENCH
Document Type and Number:
WIPO Patent Application WO2001019676
Kind Code:
B1
Abstract:
An adjustable wrench with a system of dual-block and dual-slip-lock is disclosed. This system made possible the non-release, instant adjustment of opening and closing, reliable grip on workpiece and high efficiency. It is composed of: active orifice, main body, lock-block, small wrench-button and flat-tip screw. This adjustable wrench's active orifice and main body are coordinated by convex-slot track. The max. dia. from plane S to plane U of convex-block C and max. dia. from place J to place L of lock-block F exceeded the width of slide-slot N. Whereas the more force that active orifice received, the more pressure on two (2) sides of slide-slot N by dual extrusion that came from convex-block C and lock-block F to realize non-release.

Inventors:
DONG ZHIGANG (CN)
Application Number:
PCT/SG2000/000145
Publication Date:
September 27, 2001
Filing Date:
September 13, 2000
Export Citation:
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Assignee:
INNO TOOL ASIA PTE LTD (SG)
DONG ZHIGANG (CN)
International Classes:
B25B13/12; (IPC1-7): B25B13/24
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