Wrench adjustable in opening width

The invention relates to the technical field of tool clamps and particularly provides a wrench adjustable in opening width. A handle and a lower clamp part of the wrench are integrally formed. An upper clamp part is installed on the handle and can slide along a sliding groove of the handle. An adjus...

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Bibliographic Details
Main Authors ZHANG DONGLIN, JIN MEIZI, LI SHENPEI
Format Patent
LanguageChinese
English
Published 23.06.2017
Subjects
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING
TRANSPORTING
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Summary:The invention relates to the technical field of tool clamps and particularly provides a wrench adjustable in opening width. A handle and a lower clamp part of the wrench are integrally formed. An upper clamp part is installed on the handle and can slide along a sliding groove of the handle. An adjusting part is arranged on the handle. A centre in the adjusting part is rotated, stretched out and retracted through a switch knob in the adjusting part, the centre prods a plurality of adjusting bosses of the upper clamp part so that the upper clamp part can be driven to move, and thus, the opening width of the wrench is decreased. The upper clamp part is provided with a retainer, the retainer cooperates with a retaining groove in the handle to work, when the retainer is lifted, the opening width is increased, and when the retainer is put down, the opening width is prevented from being increased. According to the wrench, the opening width is increased through a driving spring arranged on the handle, and the upper c
Bibliography:Application Number: CN20171222814