Electric shaver

Details Electric shaver Electric shaver

1992-01-16

1993-05-04

Watts, Douglas D.

Cutlery

Razors

With cooperating shearing blades

30 4391, 30 437, B26B 2902, B26B 2100

Patent

active

052077314

ABSTRACT:
An electric shaver (1) is provided comprising a housing (2), a shaving head (5) comprising a shaving foil (7) and a cutter assembly (8) with cutter lamellae (19), and a motor (23) of the rotary type as well as a transmission mechanism (31) acting between the motor (23) and the cutter assembly (8) in order to convert the rotation of the motor shaft (30) into a reciprocating movement to the drive a cutter assembly (8), the motor (23) having a nominal operating speed between 8000 and 10,000 revolutions per minute, wherein the motor (23) is covered with a sheath (32) of an elastic material, the transmission mechanism (31) comprises at least one balancing mass (52), and each of the cutter lamellae (19) of the cutter assembly (8) is provided with an indentation (57, 58) in each of its two side faces (55, 56) which are each bounded by a cutting edge (53, 54), which indentation extends parallel to the cutting edge (53, 54), and exhibits a cutting angle (.beta.) smaller than 90.degree. at both its cutting edges (53, 54).

REFERENCES:
patent: 3914849 (1975-10-01), Martin
patent: 4167060 (1979-09-01), Sakamoto
patent: 4240200 (1980-12-01), Bukoschek
patent: 4451984 (1984-06-01), Shimazu
patent: 4493149 (1985-01-01), Tanahashi et al.
patent: 4660283 (1987-04-01), Yasunaka
patent: 4719698 (1988-01-01), Nenomiya et al.
patent: 4813136 (1989-03-01), Piber et al.

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