Oscillating razor

Details Oscillating razor Oscillating razor

1986-04-02

1988-05-17

Kazenske, E. R.

Cutlery

Razors

With blade-moving means

30DIG1, B26B 2138

Patent

active

047441445

ABSTRACT:
A hand held, oscillating razor for wet shaving which comprises an internally operated eccentric for forcibly, rapidly vibrating the cutting blades. Preferably the razor comprises an elongated, generally tubular housing adapted to receive a carriage which mechanically secures a rotatable eccentric, a motor for rotating the eccentric, and an associated angularly tilted battery which powers the motor. A receptacle integrally associated with the neck of the housing is adapted to removably receive a standard blade cartridge for shaving. The razor exhibits a characteristic resonant frequency, and its center of mass lies apart from its central axis, so that the razor characteristically displays a dynamic couple in operation. The motor rotates within a speed range of between 1.414 and two times the natural resonant frequency of the razor so as effectuate as comfortable a shave as possible. Within this range razor shaving characteristics are substantially unaffected by the mode or manner in which the unit is held. The transmissibility operating point and the roll couple attributes of the unit insure that the razor exhibits uniform shaving characteristics substantially independently of the manner in which it may be held by the user.

REFERENCES:
patent: 2054418 (1936-09-01), Bohm
patent: 2112402 (1938-03-01), Jaffe
patent: 3611568 (1971-10-01), Alexander et al.
patent: 3636627 (1972-01-01), Tiffin
patent: 3772779 (1973-11-01), Douglass et al.
patent: 4509259 (1985-04-01), Kakumoto et al.

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