F - Mech Eng,Light,Heat,Weapons – 16 – N
Patent
F - Mech Eng,Light,Heat,Weapons
16
N
222/66
F16N 3/12 (2006.01) F16N 13/06 (2006.01)
Patent
CA 1058120
In re application of Robin 17. Spaude and Alvin L. Bowers For GREASE GUN ABSTRACT OF THE DISCLOSURE A grease gun of the type wherein a dispensing head assembly having a lever-operated piston pump is screwed onto the head end of a grease-containing cylinder and wherein a spring-biased plunger and rod assembly in said cylinder is operative to feed grease from the cylinder to the pump, said dispensing head assembly being characterized in that the head cap thereof has diametrically opposite holes through the side wall thereof in which a pump cylinder of circular cross sec- tion is firmly supported, in that a sheet metal clevice for a link of the pump-operating lever has its base secured as by welding on the end wall of the head cap, and in that a check valve body is secured in a cross bore adjacent the closed end of the pump cylinder and extends through aligned holes in the head cap end wall and the clevice base to provide a pump outlet to which the grease dispensing tube is connected, said check . valve body having a shoulder engaging the clevice base to pre- vent breaking away of the clevice from the head cap end wall even when large forces are applied on the clevice by the link of the pump-operating lever.
289165
Bowers Alvin L.
Spaude Robin W.
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