Coating apparatus – Solid applicator contacting work – Coating inside of hollow work
Patent
1993-10-12
1995-10-03
Jones, W. Gary
Coating apparatus
Solid applicator contacting work
Coating inside of hollow work
29 34B, 118300, 118651, 239752, 901 12, 901 22, 901 43, B05C 700
Patent
active
054548691
ABSTRACT:
A linear actuated sealant applicator pump for pumping a sealant into an aperture prior to installation of a fastener in that aperture. An air driven linear actuator translates a cam plate carrying a sealant applicator head from a first position in a first direction spaced from and slightly out of vertical alignment with the aperture to which sealant is to be applied. An adjustable stop limits the translation of the cam plate and injector pump. The actuator then continues in the first direction causing the cam plate to follow a cam slot translating the sealant applicator head in a second direction normal to the first direction toward and in vertical alignment with the aperture with the head engaging the edges of the aperture. The engagement of the head with the edges of the aperture prevents further translation of the sealant applicator head into the aperture. The linear actuator continues to move the cam plate along the cam slot after head and aperture edge engagement causing the cam plate to continue to follow the cam slot resulting in the sealant applicator head being forced to translate upwardly in reverse to the second direction providing a pumping action within the applicator head which pumps a pre-selected amount of sealant from the sealant applicator head into the aperture. The linear actuator when reaching a maximum first direction translation position reverses its direction.
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patent: 4872417 (1989-10-01), Kuwabara et al.
patent: 4951849 (1990-08-01), Townsend et al.
patent: 5085374 (1992-02-01), Okuda et al.
patent: 5100286 (1992-03-01), Anderson
patent: 5141165 (1992-08-01), Sharpless et al.
patent: 5198736 (1993-03-01), Azuma et al.
Duncan John R.
Edwards Laura E.
General Dynamics Corporation
Gilliam Frank D.
Jones W. Gary
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