Dispensing – With discharge assistant – Insertable cartridge or removable container
Patent
1975-09-08
1976-12-14
Hoffman, Drayton E.
Dispensing
With discharge assistant
Insertable cartridge or removable container
222333, 222390, B67D 546
Patent
active
039970841
ABSTRACT:
This invention relates generally to caulking apparatus and particularly to a caulking gun attachment for an electric hand drill that is intended for securing to the drill body and drivably connected therewith whereafter upon operation of the drill, 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 and easy-to-control flow. Further, the gun includes a slipping clutch and an adjustment for allowing manual adjustment of the slipping point of the clutch thereby to selectively regulate the pressure and flow rate of the caulk being dispensed. Additionally, the gun includes a quick disengagement mechanism for freeing the piston from the drive train of the mechanism to allow the caulk driving piston to be manually moved in either direction through the gun.
REFERENCES:
patent: 647765 (1900-04-01), Schulz
patent: 686391 (1901-11-01), Cox
patent: 1829789 (1931-11-01), Dammeyer
patent: 2294745 (1942-09-01), Goetz
patent: 3635378 (1972-01-01), DeHart
patent: 3741527 (1973-06-01), Dahl
patent: 3913799 (1975-10-01), Davis, Jr.
Hoffman Drayton E.
Marmor Charles A.
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