Dry-shaving apparatus with angled blades

Details Dry-shaving apparatus with angled blades Dry-shaving apparatus with angled blades

1986-12-16

1987-11-24

Watts, Douglas D.

Cutlery

Razors

With cooperating shearing blades

3034651, B26B 1914

Patent

active

047079150

ABSTRACT:
A dry-shaving apparatus comprises a housing having a holder for a shear plate with hair-entry apertures and a cutter which is rotatable about an axis of rotation and which comprises a carrier for cutting elements which are movable relative to the carrier, in which during rotation of the cutter, as part of a revolution, each point of a cutting edge at the end of a cutting element follows a constrained path which is defined by the shear plate and each point of a cutting edge follows a circular free path when the ends are clear of the shear plate. At the more advanced axial end of the first cutting element, viewed in the direction of rotation, the radius of a circular free path of the cutting edge is smaller than the distance from the axis of rotation to the corresponding portion of the shear plate at the location where at this end the free path changes into the constrained path, so that the cutter comes gradually into contact with the shear plate.

REFERENCES:
patent: 2332405 (1943-10-01), Smith
patent: 2375521 (1945-05-01), Boyd
patent: 4043036 (1977-08-01), Stevens et al.

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