Cutlery – Scratching implements
Patent
1993-12-20
1995-03-28
Payer, Hwei Siu
Cutlery
Scratching implements
30298, B26B 104
Patent
active
054005108
ABSTRACT:
The invention is a brace for a windshield glass knife. In a preferred embodiment, the brace has a hollow, cylindrical sleeve which fits over the top of the handle of a conventional manual windshield glass knife. The cylindrical sleeve is rotatably attached to the first end of a rigid brace arm so that the brace arm may pivot in only a single plane containing the centerline of the knife handle when the sleeve is fitted over the handle. At the second end of the brace arm, it is connected to a forearm rest and pad. The forearm rest is a generally L- or U-shaped rest which is connected to and extends from the brace arm, with at least one side for engaging the forearm of the repairman. Optionally, on the forearm rest is a pad which increases the surface area for spreading out the forces transmitted by the brace arm to the forearm, and for resisting the twisting force in the knife handle.
With the windshield glass knife blade brace of this invention, the repairman may make a more controlled cut, and apply more force to the cutting blade without causing the blade to twist and without causing undue fatigue to the hands, wrists and forearms of the repairman.
REFERENCES:
patent: 2470444 (1949-05-01), Philippe
patent: 2539601 (1951-01-01), Walker
patent: 3922784 (1975-12-01), Prince et al.
patent: 4179805 (1979-12-01), Yamada
patent: 4199852 (1980-04-01), Ayers et al.
patent: 4941261 (1990-07-01), Glenn
patent: 5275068 (1994-01-01), Wrench
Dykas Frank J.
Korfanta Craig M.
Payer Hwei Siu
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