US 11,857,051 B2
Composition dispenser applicator with dynamically adjustable protrusions, bristles or tines, and method of use
William Robert Bickford, Scotch Plains, NJ (US); Jason Fyfe, Holmdel, NJ (US); Andrea Saverino, Colts Neck, NJ (US); and Oliver Sha, Fort Lee, NJ (US)
Assigned to L'Oreal, Paris (FR)
Filed by L'OREAL, Paris (FR)
Filed on Aug. 31, 2020, as Appl. No. 17/007,940.
Prior Publication US 2022/0061488 A1, Mar. 3, 2022
Int. Cl. A45D 19/02 (2006.01); A46B 11/06 (2006.01); A46B 9/00 (2006.01)
CPC A45D 19/02 (2013.01) [A46B 9/005 (2013.01); A46B 11/06 (2013.01); A45D 2200/054 (2013.01); A45D 2200/25 (2013.01); A46B 2200/10 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A composition dispenser, comprising:
a protrusion unit including one or more protrusion elements and at least one dispensing orifices configured for fluidic communication with a formulation reservoir;
the protrusion unit operably coupled to a length-adjustment element configured to adjust an exposed protrusion length of the protrusion elements along a direction perpendicular to a rotation plane of the length-adjust element,
wherein the length-adjustment element comprises a twist top and a threaded insert comprising a top flange having a central opening and an outer and an inner threaded surface, wherein the protrusion unit is received within the threaded insert, wherein the top flange comprises a circumferential ledge extending inward toward the central opening, a collar on the bottom side of the protrusion unit fits in the central opening, and a rim extending outward on the collar rotates below the circumferential ledge.