Wallboard rasp

Details Wallboard rasp Wallboard rasp

2005-10-25

2005-10-25

Banks, Derris H. (Department: 3722)

Cutters, for shaping

File or rasp

Handle or holder, per se

C015S236010, C451S524000

Reexamination Certificate

active

06957934

ABSTRACT:
A wallboard rasp having an expanded metal blade mounted to a molded plastic handle. The handle is configured with a downwardly-opening receiving groove for receipt of an upwardly-curved perimeter portion of the blade. Sections of the blade's perimeter may be crimped or heat staked within the groove. The groove may be formed between a downwardly-projecting outer lip and one or more downwardly-projecting inner ribs. Where the blade is formed with a substantially planar central portion, the ribs may have substantially planar downwardly-facing surfaces against which the blade's central portion may be supported when mounted on the handle. The grip portion of the handle is configured as a contoured, upwardly-extending body having a base with opposite knurled inset surfaces and a convex top flanged surface with spaced-apart grip ribs.

REFERENCES:
patent: 2589531 (1952-03-01), Brooks
patent: 4178663 (1979-12-01), Hayes
patent: 4179779 (1979-12-01), Hayes
patent: 4827706 (1989-05-01), Meyer et al.
patent: 5227173 (1993-07-01), Sherwood
patent: 5823719 (1998-10-01), Tyler
patent: 5993306 (1999-11-01), McCoy et al.
patent: 5997221 (1999-12-01), Sadler
patent: 6093277 (2000-07-01), Assink et al.
patent: 6261031 (2001-07-01), Stipe et al.
patent: 6401757 (2002-06-01), Pentz et al.
patent: 6439983 (2002-08-01), McCoy et al.

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