Is a
Patent attributes
Patent Applicant
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1Current Assignee
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1Patent Jurisdiction
Patent Number
Patent Inventor Names
Chin-Ching Hsien1
Date of Patent
May 31, 2005
1Patent Application Number
107794991
Date Filed
February 17, 2004
1Patent Citations Received
Patent Primary Examiner
Patent abstract
A sleeve with a non-round engaging portion comprises a sleeve body having a receiving portion at one end thereof and a connecting portion at another end thereof; the connecting portion being communicated to the receiving portion; the connecting portion having four sides; each two opposite sides are symmetrical. The connecting portion has different sections which are different diameters for matching sizes of different spanners.
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