Gasket cutter with changeable and reversible dies and punches

Details Gasket cutter with changeable and reversible dies and punches Gasket cutter with changeable and reversible dies and punches

2007-07-31

2007-07-31

Dexter, Clark F. (Department: 3724)

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

C083S685000, C083S686000, C083S698910, C083S955000, C030S178000, C030S229000, C030S358000

Reexamination Certificate

active

10943124

ABSTRACT:
A gasket cutter with changeable and reversible dies and punches including a body having upper and lower opposed arm members, a cylindrical member slidingly engaged within said upper arm member to be raised and lowered by rotation of a handle attached to the cylindrical member, and a platen releasably secured to the lower arm member. A cylindrical punch and a ring die surrounding the punch are attached to the platen. The ring die includes a first and second inner diameter at first and second ends thereof creating with said punch a first and second gap, respectively. A reversible punch die having first and second opposed cutting edges is releasably attached to the cylindrical member so that the first or second cutting edge of the punch die descends into the first or second gap, thereby cutting a ring gasket of a desired size from a sheet of gasket material.

REFERENCES:
patent: 545613 (1895-09-01), Richardson
patent: 1430373 (1922-09-01), Hennings
patent: 2477572 (1949-08-01), Blasak
patent: 3022510 (1962-02-01), O'Malley
patent: 4548113 (1985-10-01), Topperwien et al.
patent: 4817287 (1989-04-01), Arnold et al.
patent: 4843931 (1989-07-01), Whister
patent: 5429573 (1995-07-01), Jahnke et al.
patent: 6823764 (2004-11-01), Tsubota

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