automatic dry wall compound applicator

Details automatic dry wall compound applicator automatic dry wall compound applicator

1997-03-06

1999-03-16

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

Hand movable, substrate traversing, plural dimension shaping...

222262, 222389, 425214, B05C 17015, E04F 2106

Patent

active

058826912

ABSTRACT:
An automatic dry wall applicator having an applicator head connected to a translucent body with a quick release mechanism for easy cleaning and a gas spring dispensing system which moves a piston head in the body to dispense dry wall compound. A loading mechanism uses a manual pump which generates sufficient force to overcome the gas spring pressure to force dry wall compound from a reservoir into the head and body to retract the piston head during loading. The piston rod engages a cam brake which frees the rod during loading and locks the piston head from dispensing unless the cam is manually released from the rod. In one form of the invention, an on-off valve closes the applicator head during loading and can be opened to permit dispensing of dry wall compound.

REFERENCES:
patent: 4919604 (1990-04-01), Wilson
patent: 4946077 (1990-08-01), Olsen
patent: 4996799 (1991-03-01), Pound et al.
patent: 5033197 (1991-07-01), Irvello
patent: 5343982 (1994-09-01), Min
patent: 5535926 (1996-07-01), Blitz et al.
patent: 5695788 (1997-12-01), Woods
H.A. Guden Co., Brochure "The GGSX Gas Spring" (undated).
AVM Inc., Product Sheet No. 040596 (undated).
AVM Inc., Product Sheet No. 030895 (undated).
AVM Inc., Product Sheet No. 020895 (undated).

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