Hand held electric caulking gun

Details Hand held electric caulking gun Hand held electric caulking gun

1978-02-08

1979-10-16

Spar, Robert J.

Dispensing

With discharge assistant

Insertable cartridge or removable container

222333, 222391, 74125, B67D 546

Patent

active

041710720

ABSTRACT:
A hand held electric caulking gun wherein a caulk-driving piston is forced through the caulk-retaining receptacle of the gun in a manner to force caulking from the gun with considerable force and at a continuous easy-to-control flow. The gun includes a clutch for drivably disengaging the drive source from the piston should the reacting force against the caulk driving end of the piston exceed a predetermined value and a releasing device for allowing the piston to be disengaged of its drive linkage for allowing manual movement of the piston through the gun.

REFERENCES:
patent: 2195929 (1940-04-01), Klett
patent: 2928574 (1960-03-01), Wagner
patent: 3401847 (1968-09-01), Downing
patent: 3985273 (1976-10-01), Davis, Jr.
patent: 3997084 (1976-12-01), Davis, Jr.
patent: 4072254 (1978-02-01), Cox

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