Caulking gun

Details Caulking gun Caulking gun

1983-01-13

1985-04-09

Rolla, Joseph J.

Dispensing

With discharge assistant

Container with follower

222327, 741415, G01F 1100

Patent

active

045096627

ABSTRACT:
A caulking gun of the type having a cradle to receive a cartridge of compound having a piston in it and a dispensing nozzle. The gun has a handle and operating member or trigger which drives a stem having a thrust disk which engages the piston in the cartridge. A member is provided on the actuating stem to prevent further movement of the stem after the thrust disk and piston are in a position wherein the end member or cap on the end of the gun could be broken off. In that type of gun having a latch member or latch dog which requires manual release to allow rearward movement of the stem the stop member actuates the release member to release the stem for rearward movement.

REFERENCES:
patent: 2530359 (1950-11-01), Peterson
patent: 2776075 (1957-01-01), Etter
patent: 3378175 (1968-04-01), Krieps
patent: 4009804 (1977-03-01), Costa et al.
patent: 4330070 (1982-05-01), Doubleday
patent: 4339058 (1982-07-01), Wendt
patent: 4461407 (1984-07-01), Finnegan

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