Product dispenser having a rotary drive member, and a method of

Details Product dispenser having a rotary drive member, and a method of Product dispenser having a rotary drive member, and a method of

1997-06-16

1999-02-09

Walczak, David J.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

401 75, 401 79, 401175, A45D 4006

Patent

active

058685103

ABSTRACT:
A product dispenser includes a receptacle having a cylindrical body that is open at one of its ends, a piston that is axially movable in translation in the body, and a drive screw passing through an orifice in the piston. The orifice is provided with a link suitable for transforming rotary motion of the screw into axial displacement of the piston. The screw is rotated by a drive member accessible to the user, and the link is radially deformable. The link is organized to deform radially in contact with the thread of the screw when the screw is forced to move axially relative to the link, thereby allowing relative axial movement between the screw and the link even if the screw is not rotated.

REFERENCES:
patent: 2917765 (1959-12-01), Jakubowski
patent: 2935191 (1960-05-01), Leshin
patent: 3333689 (1967-08-01), Terrill et al.
patent: 3612705 (1971-10-01), Duval
patent: 4865480 (1989-09-01), Reynolds et al.
patent: 5255990 (1993-10-01), Dornbusch et al.

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