Cutlery – Cutting tools – Plural cooperating blades
Reexamination Certificate
2007-06-26
2007-06-26
Peterson, Kenneth E. (Department: 3724)
Cutlery
Cutting tools
Plural cooperating blades
C030S233000
Reexamination Certificate
active
11271794
ABSTRACT:
The invention discloses an adjustable apparatus for adjusting an upper blade position of a hair clipper to further adjust the hair cut length. The upper blade is connected to a blade spring. The blade spring is placed in a spring housing. The spring housing is connected to a pushing block. The pushing block is connected to a rotary wheel. Therefore, the position of the upper blade is adjustable by moving the rotary wheel.
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patent: 6578269 (2003-06-01), Wilcox et al.
patent: 6742262 (2004-06-01), Rizzuto et al.
patent: 7100286 (2006-09-01), Nakakura et al.
Nguyen Phong
Peterson Kenneth E.
Troxell Law Office PLLC
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