Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hua Gao0
Date of Patent
June 22, 2010
0Patent Application Number
114146800
Date Filed
May 1, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A holder for replaceable tools, including a body with an axial opening extending along an axis and for releasably receiving the tools and having two radial openings with balls therein extending into the axial opening. Two ramps are movable on the body and they engage the balls for forcing the balls onto the tool being held in the body and thereby radially and axially stabilize the tool in the body. Two separate springs engage the ramps for movement of the ramps separate from each other.
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