Sealing gun, to apply a silicon sealant from a cartridge and the like, has a push rod with ratchet teeth in one direction advanced by the teeth of a drive operated by a lever at the pistol grip

摘要

The sealing gun has a pistol body (10) fitted with a tube (30), containing a push rod (20), with ratchet teeth aligned in one direction. A lever (40), at the pistol grip, acts on the drive unit, which has ratchet teeth acting on the push rod teeth. A limit unit at the piston grip has limit teeth, which engage the ratchet teeth. The push rod has a holder (23) at one end and a push disk (22) at the other end.