Pair of scissors comprising a gear transmission mechanism to...

Details Pair of scissors comprising a gear transmission mechanism to... Pair of scissors comprising a gear transmission mechanism to...

2005-09-06

2005-09-06

Dexter, Clark F. (Department: 3724)

Cutlery

Cutting tools

Plural cooperating blades

C030S192000, C030S245000, C081S342000

Reexamination Certificate

active

06938346

ABSTRACT:
A pair of scissors has a fixed handle, a fixed jaw extending from one end of the fixed handle, a movable jaw pivotable with respect to the fixed jaw, a movable handle pivoted with the fixed jaw along with the movable jaw by a common pivot, and a gear transmission mechanism. The gear transmission mechanism has a rack located at one end of the movable jaw, a drive gear rotatably mounted on the fixed jaw and engaged with the rack, and two driven gears rotatably mounted on the fixed jaw and engaged with the drive gear and the toothed edge of the movable jaw. The two driven gears are driven by the drive gear to cause the movable jaw to move toward or away from the fixed jaw.

REFERENCES:
patent: 3210844 (1965-10-01), Tontscheff
patent: 4378636 (1983-04-01), Wick
patent: 4677748 (1987-07-01), Kobayashi
patent: 4779342 (1988-10-01), Kobayashi et al.
patent: 5184404 (1993-02-01), Chen
patent: 5570510 (1996-11-01), Linden
patent: 5987754 (1999-11-01), Hirabayashi et al.

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