Outside corner mastic applicator

Details Outside corner mastic applicator Outside corner mastic applicator

1996-09-23

1998-09-29

Ryan, Patrick

Plastic article or earthenware shaping or treating: apparatus

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

401 48, 401193, 425458, B05B 1102

Patent

active

058143513

ABSTRACT:
An applicator for drywall mastic can alternatively cover flat drywall joints, outside corner drywall joints, or simultaneously both outside corners on a stub drywall, all with little or no manual adjustment of the applicator. A spring biased lever is pivotally mounted on each side of the applicator. Normally, the bias extends a projection on the lever which rides over the edge of the outside corner in order to guide and direct the applicator as it moves along a corner wall. A circumferential flange on a wheel cooperates with the projection to give greater stability. If the applicator is pressed against a flat wall, the projection is pushed back against the bias of the spring so that the projection has no effect.

REFERENCES:
patent: 2809513 (1957-10-01), Ames
patent: 2824442 (1958-02-01), Ames
patent: 2889699 (1959-06-01), Ames
patent: 4132517 (1979-01-01), Ames
patent: 4516868 (1985-05-01), Molnar
patent: 4907955 (1990-03-01), Snipes
patent: 5137386 (1992-08-01), Mower

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