Cutlery – Cutting tools – Plural cooperating blades
Patent
1989-01-13
1990-08-21
Watts, Douglas D.
Cutlery
Cutting tools
Plural cooperating blades
30 74, 30200, 30220, 30233, B26B 1900, B26B 2114, B26B 1916, B26B 1902
Patent
active
049494600
ABSTRACT:
A hair trimmer is provided having a housing provided with a stationary cutter and a cutter which can be driven relative to the stationary cutter, the housing comprising a comb attachment which is adjustable relative to the housing. The housing is provided with a rotatable annular adjusting element which forms part of a spiral-groove coupling between the housing and the comb attachment.
REFERENCES:
patent: 2731720 (1956-01-01), Henard
patent: 3979825 (1976-09-01), Baumann
patent: 4557050 (1985-12-01), Haraguchi et al.
patent: 4669189 (1987-06-01), Ullmann
patent: 4776095 (1988-10-01), Tsujimoto et al.
Bartlett Ernestine C.
Heyrana Sr. Paul M.
U.S. Philips Corp.
Watts Douglas D.
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