Patent ID: 6282893
Filing Date: 2001-09-04
Classification: F15B,F16D

Abstract:
A hydraulic cylinder comprising:an elongated body that inwardly contains a piston that is slidable within an interior cavity of said body, wherein said piston divides said cavity into first and second cavity portions, wherein said piston is attached to a first end portion of a piston rod, wherein sliding movement of said piston causes said piston rod to move in a direction parallel to a longitudinal axis of said body; anda cylinder head located at one end of said body and extending outwardly from said body in a direction substantially parallel to said longitudinal axis of said body, wherein said cylinder head inwardly contains a pump, a motor operatively connected to said pump and to a power source, a fluid reservoir, and a main control valve that is capable of being actuated by a user, wherein when said valve is actuated by a user, pressurized fluid can flow from said pump to said main control valve and then through a passage in said cylinder head and into said first cavity portion.