Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 30, 2008
0Patent Application Number
114290390
Date Filed
May 4, 2006
0Patent Primary Examiner
Patent abstract
A hydraulic tool including a motor; a hydraulic pump comprising only one reciprocating piston pump member; and a transmission connecting the motor to the hydraulic pump. The transmission includes a wobble plate and at least one spring. The wobble plate includes a front end pivotably connected to a frame of the pump. A rear end of the piston pump member is located against the front end of the wobble plate. The spring is spaced from the piston pump member and applies a biasing force against the front end of the wobble plate.
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