Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 13, 2007
Patent Application Number
11346357
Date Filed
February 3, 2006
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An adjusting mechanism with a spring, particularly an adjusting mechanism with a helical spring of large diameter, is disclosed, the thread grooves of an inner bore of a rotation member being primarily used to allow the helical spring of large diameter fixed to the spring-fixed base to glide. When the rotation member rotates and axially shifts, the number of compressed coils of the helical spring of large diameter changes, thereby a spring coefficient of the helical spring of large diameter is changed.
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