Patent ID: 6068164
Filing Date: 2000-05-30
Classification: F16N

Abstract:
A hand grease gun comprising:a tubular supply reservoir adapted for holding grease;a rear cover closing a rear end of the reservoir;a pressure piston sealingly engaged at both sides with an interior of the reservoir and slidable within the reservoir;a head piece connected to a front end of the reservoir by means of an end cap, wherein the head piece includes a reciprocating piston pump adapted to be manually operated via a lever, wherein a suction port of the pump is connected with the interior of the reservoir and a delivery port of the pump is connected with a grease delivery nozzle provided on the head piece; anda manual reciprocating air compressor situated on the rear cover or on a rear region of the reservoir, wherein a delivery port of the air compressor is connected with an inner pressure chamber defined between the rear cover and the pressure piston, wherein a diameter of the air compressor is smaller than a diameter of the reservoir, and wherein the air compressor is operable independently of the pump.