Wrench

The invention relates to a wrench. The wrench comprises a wrench body which is a hollow pipe; four stripe-shaped bosses, which are identical to four slots of a round nut in size, are uniformly and circularly formed on the inner wall of one end of the hollow pipe and around the rotating center of the...

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Bibliographic Details
Main Authors BIAN LIU, LIU YANSHAN
Format Patent
LanguageEnglish
Published 23.09.2015
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 a wrench. The wrench comprises a wrench body which is a hollow pipe; four stripe-shaped bosses, which are identical to four slots of a round nut in size, are uniformly and circularly formed on the inner wall of one end of the hollow pipe and around the rotating center of the hollow pipe; flat surfaces are formed on the external circumference of the other end of the hollow pipe and provided with perpendicular through holes. According to the wrench, the external circumference of one end of the wrench body is provided with the two flat surfaces in parallel and meanwhile the two parallel flat surfaces are provided with the perpendicular through holes, so that the wrench can achieve various application manners to adapt to various application conditions.
Bibliography:Application Number: CN20151319709