Cutter assemblies for electric shavers

Details Cutter assemblies for electric shavers Cutter assemblies for electric shavers

1999-02-22

2000-12-12

Payer, Hwei-Siu

Cutlery

Razors

With cooperating shearing blades

30 43, 3034651, B26B 1916

Patent

active

061581259

ABSTRACT:
A cutter assembly for use in a shaver for shaving hair from the skin of a user includes a casing formed with a static blade configuration and a static bearing surface removed from the static blade configuration. Mounted within the casing is a moving cutter, which has a number of blades and a bearing surface formed to complement the static bearing surface. A spring element biases the moving cutter against the casing so that the complementary bearing surface slides against the static bearing surface, this sliding corresponding to a shearing cutting action of the moving blades relative to the static blade configuration. This reduces the frictional heating between the blades. Also described is a static blade configuration in which extended open-ended slots are reinforcement by transverse support ribs.

REFERENCES:
patent: 3636628 (1972-01-01), Tietjens
patent: 3710442 (1973-01-01), Meyer
patent: 4151645 (1979-05-01), Tietjens
patent: 4594778 (1986-06-01), Dona et al.
patent: 4707915 (1987-11-01), Bakker et al.
patent: 4811483 (1989-03-01), Bakker et al.
patent: 4811484 (1989-03-01), Wijma et al.

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