Cutlery – Cutting tools – Plural cooperating blades
Patent
1978-06-19
1981-02-10
Simpson, Othell M.
Cutlery
Cutting tools
Plural cooperating blades
30220, 30223, B26B 1906
Patent
active
042493072
ABSTRACT:
Disclosed herein is a hair clipper including a housing, a motor located in the housing and including a shaft having a drive member thereon, and a blade set connected to the housing. The blade set includes a lower blade connected to the housing, and a movable blade assembly including a thin planar movable upper blade member and a shoe member including a planar body having a groove formed in its upper surface, a notch therein, and laterally spaced wall portions on opposite sides of the notch and extending upwardly from the upper surface. The movable blade assembly also includes a yoke member secured between the upper surface of the movable blade member and the shoe member, the yoke member including first and second laterally spaced walls extending upwardly through the notch and being engaged by the drive member to cause reciprocating movement of the movable blade assembly relative to the fixed blade. The hair clipper also includes a spring member for supporting the movable blade assembly against the lower blade for linear movement and a fixed threaded stud extending from the upper surface of the fixed blade for releasably securing the spring member to the lower blade. The hair clipper also includes a blade set mounting assembly including a mounting plate fixed to the hair clipper housing and a tongue carried by the mounting plate for pivotal movement between a first position at a substantial angle to the mounting plate permitting insertion and withdrawal of the tongue and a second position whereby such insertion and withdrawal is prevented.
REFERENCES:
patent: 1956042 (1934-04-01), Oster
patent: 2182597 (1939-12-01), Oster
patent: 2704887 (1955-03-01), Andis
patent: 2790236 (1957-04-01), Andis
patent: 2959855 (1960-11-01), Andis
patent: 3101535 (1963-08-01), Andis
patent: 3222781 (1965-12-01), Luther et al.
patent: 3992778 (1976-11-01), Urbush
Andis Company
Parker Roscoe V.
Simpson Othell M.
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