Patent ID: 9573263
Date: 2017-02-21
CPC Classifications: B23B,B25B,B25F,B26D,B26F,B30B,F16B

Claim:
1. A hydraulic system comprising: a work tool including a housing, a hydraulic cylinder or main body within the housing, a ram piston disposed in the hydraulic main body and positionable between a fully retracted position and a fully extended position, and biasing provisions associated with the ram piston and configured to bias the ram piston to the fully retracted position; a quick release coupling mounted to the work tool for releasably connecting an interchangeable work head to the work tool, the quick release coupling including a generally cylindrical locking ring axially positionable between an unlocked position and a locked position; wherein upon positioning the ram piston to the fully retracted position, a distal end of the ram piston extends outwardly and beyond the quick release coupling.