Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masao Hamada0
Akira Oono0
Sueji Tachihara0
Date of Patent
October 7, 2008
Patent Application Number
10849440
Date Filed
May 20, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A wrenching portion provided in an adjuster and employed for assembling is formed at a gripping portion for rotation. The gripping portion is formed in a polygonal shape. In this configuration, the adjuster is decreased in size and weight and its operability of adjusting a driving depth is improved. An undercut portion is removed in a vertical direction and a non-slip rugged portion is provided in only a longitudinal direction so that it can be manufactured in a simple tow-part mold, thereby reducing the production cost.
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