Razor having deformable shaving aid ejection system and...

Details Razor having deformable shaving aid ejection system and... Razor having deformable shaving aid ejection system and...

2007-01-02

2007-01-02

Hail, III, Joseph J. (Department: 3723)

Cutlery

Razors

Combined

C030S032000, C030S041500, C030S050000, C030S526000, C083S013000

Reexamination Certificate

active

10936077

ABSTRACT:
A shaving aid delivery system for a shaving system includes a razor head having a resilient reservoir for holding a shaving aid and a piezoelectric ceramic disposed adjacent the resilient reservoir. The delivery system also includes a shaving strip disposed within the razor head, an actuator and an ejection port. The shaving strip is oriented to engage the skin of a user during a shaving stroke and the actuator electrically couples to the piezoelectric ceramic such that, upon activation, the actuator causes deformation of the piezoelectric ceramic which, in turn, deforms the resilient reservoir and forces the shaving aid from the reservoir through the ejection port. Alternatively, the actuator may include a shape memory alloy which, upon transformation between states, deforms the reservoir and forces the shaving aid from the reservoir through the ejection port.

REFERENCES:
patent: 1744902 (1930-01-01), Johnston
patent: 1744992 (1930-01-01), Stewart
patent: 3969817 (1976-07-01), DiBuono
patent: 5092041 (1992-03-01), Podolsky
patent: 5337478 (1994-08-01), Cohen et al.
patent: 5903979 (1999-05-01), Oldroyd
patent: 5983500 (1999-11-01), Da Silva

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