Rotary shaving head for an electric shaving apparatus

Details Rotary shaving head for an electric shaving apparatus Rotary shaving head for an electric shaving apparatus

1988-12-12

1990-12-25

Watts, Douglas D.

Cutlery

Razors

Combined

30 432, B26B 1906, B26B 1914

Patent

active

049792970

ABSTRACT:
The invention relates to a rotary shaving head (2) for an electric shaving apparatus, the shaving head comprising a rotary cutter (23) which is driven by an electric motor (3) and which comprises a cutter disc (54) whose periphery is provided with an annular configuration of cutter blades (52) which are offset from the plane of the disc and whose cutting edges (59) co-operate along a cutting plane with a shear plate (24) formed with hair entry apertures (57). The rotary cutting (23) and the shear plate (24) are constructed for rotation of the rotary cutter (23) in both directions of rotation and the rotary cutter (23) is adapted to be driven by a single-phase synchronous motor (3, 3') having a permanent-magnet rotor (9, 65).

REFERENCES:
patent: 3125808 (1964-03-01), Starre
patent: 4594778 (1986-06-01), Dona et al.
patent: 4649642 (1987-03-01), Nagasaki et al.

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