Razor comb blade unit
AssigneeAdachi Kogyo, Inc.
InventorHidemi Adachi
Life of this patent
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Abstract
A blade unit for a razor comb which can be used equally in two hair cutting directions is disclosed. The blade unit comprises a blade and a blade holder partially housing the blade. The blade holder has two edges, both of which are provided with a plurality of protrusions for combing hair. The protrusions partially cover the blade edge, leaving a plurality of uncovered blade edge portions for cutting hair. The covered blade edge portions and uncovered blade edge portions have an equal length and are provided alternately. The blade unit can be additionally provided with an appropriate blade sliding means for exchanging the covered and uncovered blade edge portions to refresh the cutting portions of the blade.
Claims13
A blade unit for a razor comb, comprising a blade having a cutting edge, and a blade holder for partially housing the blade, and a blade sliding means, wherein said blade holder has a first holder edge and a second holder edge parallel to each other and to the cutting edge of the blade, each holder edge having a plurality of generally parabolic protrusions arranged apart for combing hair which protrude beyond the cutting edge and partially cover the cutting edge, the protrusions of said first holder edge provided alternately with the protrusions of said second holder edge leaving a plurality of cutting edge portions uncovered for cutting hair, and said blade is slidably held in said blade holder so that unused portions of said cutting edge may be exposed without removing said blade from said blade holder.
A blade unit for a razor comb, comprising:
- a blade having a cutting edge;
- and
- a blade holder for housing said blade, said blade holder having a first holder edge and a second holder edge parallel to each other and to said cutting edge of said blade, each holder edge having a plurality of generally parabolic protrusions arranged apart for combing hair, said protrusions protruding beyond said cutting edge, said protrusions exposing first portions of said cutting edge and shielding second portions of said cutting edge, said blade holder having a cut in a first end edge, said first end edge perpendicular to said holder edges, said cut located and dimensioned such that it mates with a projection in a blade unit holder upon insertion into the blade unit holder,
- whereby said blade is repositioned inside said blade holder to expose said shielded second portions of said blade upon insertion of the blade holder into the blade unit holder, said cut mating with the projection, the projection pressing against the blade in the blade holder and repositioning the blade.
A razor comb, comprising:
- a blade having a cutting edge;
- a blade holder for housing said blade, said blade holder having a first holder edge and a second holder edge parallel to each other and to said cutting edge of said blade, each holder edge having a plurality of generally parabolic protrusions arranged apart for combing hair, said protrusions protruding beyond said cutting edge, said protrusions exposing first portions of said cutting edge, said blade holder second portions of said cutting edge, said blade holder having a cut in a first end edge, said first end edge perpendicular to said holder edges;
- and
- a blade unit holder for housing said blade holder and said blade, said blade unit holder having a projection located and dimensioned to mate with said cut on said blade holder upon unsertion of said blade holder into said blade unit holder, said projection to push said blade thereby repositioning said blade inside said blade holder.
Dependencies are inferred from the claim text.