Liquid applicator with one way drive

Details Liquid applicator with one way drive Liquid applicator with one way drive

1993-03-23

1994-06-14

Bratlie, Steven A.

Coating implements with material supply

Including means to apply material-moving force

Piston-provided reservoir

401 23, 401 24, 401 34, 401174, 401266, 401271, 401288, A45D 4020, A45D 4006, A45D 3400

Patent

active

053204425

ABSTRACT:
A liquid applicator structure which has an application tip fixed to front end of a cylindrical body and a liquid supply assembly built in its rear end. The liquid supply assembly includes a rotatable rod composed of a cylindrical shank-and-operating end and a solid rod having male threads thereon. The rotatable rod is held with an anti-rotation member having a cantilever-like extension. A split slide member having two split extensions is engaged with the rotatable rod at its rear end. One of these split extensions is inserted within the cantilever-like extension of the anti-rotation member and the rotatable rod, thereby preventing the split slide member from rotating. A piston member abuts on the split slide member. Rotation of the rotatable rod causes the split slide member and the piston to advance and drive liquid toward the application tip.

REFERENCES:
patent: 416659 (1889-03-01), Wells et al.
patent: 4560297 (1985-12-01), Leem

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