HAND GREASE GUN WITH LEVER-OPERATED PISTON PUMP AND TUBULAR GREASE SUPPLY RESERVOIR

摘要

Manual grease gun comprising a tubular reservoir (1) for the grease (7) closedby a rear cover (3), a dual seal pressure piston (10)slidable within the container (1) and a head piece (2) with a reciprocatingpiston (5) pump manually operated through a lever (6), the suctionport of the pump being connected with the interior of said tubular reservoir(1) and the delivery port of the pump being connected with agrease delivery nozzle (8); on the rear cover (3) or on the rear region of thetubular reservoir (1) there is provided a manual reciprocatingair compressor (4), the delivery port of which is connected with a rearpressure chamber (12) of the tubular reservoir (1). The diameter ofthe reciprocating compressor (4) is smaller than the diameter of the tubularreservoir (1), the ratio being preferably below 1/4.