Caulking gun

Details Caulking gun Caulking gun

2006-07-11

2006-07-11

Mar, Michael (Department: 3754)

Dispensing

With discharge assistant

Container with follower

C222S081000, C222S327000

Reexamination Certificate

active

07073691

ABSTRACT:
A caulking gun for dispensing caulking material from a standard caulk tube. The gun is fabricated in three basic parts; a trigger assembly, a trigger housing and a barrel cage for holding the tube. The facing portions of the barrel cage and trigger housing is provided with a mating configuration which enables the gun to be easily assembled for use and easily disassembled for storage in a toolbox. A novel drip
o drip feature is provided wherein a cam actuator conveniently positioned on the trigger housing enables an operator to select between no drip operation or drip type operation when caulking material and application requirements warrant such. A thumb release mechanism is provided on the rear of the trigger housing so the operator can release the driving rod for insertion of another tube of caulk when the unit has been placed in the drip position.

REFERENCES:
patent: 3997085 (1976-12-01), Lindquist
patent: 4009804 (1977-03-01), Costa et al.
patent: 4135644 (1979-01-01), Pacetti
patent: 4339058 (1982-07-01), Wendt
patent: 4390115 (1983-06-01), Bigham
patent: 4741462 (1988-05-01), Schneider, Jr.
patent: 5638997 (1997-06-01), Hawkins et al.
patent: 6349857 (2002-02-01), Lepsius et al.
patent: 6446309 (2002-09-01), DeWeese
patent: 6672489 (2004-01-01), Huang
patent: 09150091 (1997-06-01), None

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