Drywall cutting tool

Details Drywall cutting tool Drywall cutting tool

1992-10-29

1993-11-30

Watts, Douglas D.

Cutlery

Cutting tools

With guard and/or guide

30290, 30293, B26B 2900

Patent

active

052653420

ABSTRACT:
A drywall measuring and cutting tool has a guide riding the edge of a sheet of drywall and, normal thereto, a graduated rod. A knife is fastened to the rod, and can be rotated for shallow or deep cuts. The guide has an opening through which passes the graduated rod. Idle rod length thus projects away from the knife, avoiding interference with the floor of a drywall truck when cutting drywall carried by the truck. When making repeated narrow scores, measurement and addition of numbers possibly including fractions are avoided by aligning graduation marks with score lines. Adjusting for new width cuts is performed without tools. The knife is adjustable for right or left hand operation.

REFERENCES:
patent: 2952025 (1960-09-01), Johnson
patent: 3286351 (1966-11-01), McAlister
patent: 4030195 (1977-06-01), Insolio
patent: 4799315 (1989-01-01), Ziegler
patent: 4825549 (1989-05-01), Huang
patent: 4903409 (1990-02-01), Kaplan et al.
patent: 4949462 (1990-08-01), Spencer
patent: 5038483 (1991-08-01), Witek
patent: 5048189 (1991-09-01), Aurness et al.
patent: 5083375 (1992-01-01), Helm, Sr.
patent: 5153998 (1992-10-01), Duncan

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