Is a
Patent attributes
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sheng-Ming Chang0
Date of Patent
August 23, 2005
0Patent Application Number
107885540
Date Filed
February 26, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention of a connecting shaft device for screws mainly comprises a sliding sleeve having a magnetic element disposed on the inner circumference of the front end, the sliding sleeve is then sleeved on a connecting shaft and can slide on it, the sliding distance is controlled by an elastic element, a slant groove and a groove, the structure is simple and can temporarily position a screw, hold the screw in locking position and at the same time can also control the depth of locking.
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