Lipstick swivel mechanism with brake function

Details Lipstick swivel mechanism with brake function Lipstick swivel mechanism with brake function

1998-02-18

1999-05-04

Walczak, David J.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

401 77, B43K 2108

Patent

active

058996214

ABSTRACT:
A lipstick swivel mechanism has a brake function, by which push back of the lipstick when the lipstick is being pressed is effectively hindered. An additional protrusion and a corresponding beveled helical groove are provided on the inner body and the spiral of the dispenser. When the reaction force of applying the lipstick to the consumer's lips pushes the lipstick cup down the dispenser, this reaction force is transmitted to the protrusion and the beveled helical groove so as to increase the frictional force, which impedes the relative rotation of inner body and spiral, between them; thereby push back of the lipstick cup is obstructed. Besides, the beveled helical groove is specially designed so as to make such brake function effective across the entire travel of the lipstick cup.

REFERENCES:
patent: 2469631 (1949-05-01), Broder
patent: 5649777 (1997-07-01), Holloway
patent: 5791799 (1998-08-01), Oehlhorn

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