Notch cutter and method

Details Notch cutter and method Notch cutter and method

1993-12-23

1995-11-07

Rada, Rinaldi I.

Cutting

Processes

Cut advances across work surface

83636, 83693, 8369931, 8369951, 83917, 83937, B26D 109, B26D 314

Patent

active

054639204

ABSTRACT:
A fabric notch cutter includes a pair of inwardly facing shear edges which converge to a first apex and a pair of outwardly facing shear edges which converge to a second apex at a slightly lesser angle than the convergence angle of the inwardly facing shear edges. Each of the outwardly facing shear edges contacts a respective one of the inwardly facing shear edges at a contact point. Further, the outwardly facing shear edges are resiliently mounted such that they are retracted toward their support member during a cutting operation. The points of contact between the shear edges progress toward the apices during the cutting operation.

REFERENCES:
patent: 422517 (1890-03-01), Fox
patent: 1139572 (1915-05-01), Perry
patent: 3213741 (1965-10-01), Harding
patent: 3215017 (1965-11-01), Rutz
patent: 3277763 (1966-10-01), Haug
patent: 4124937 (1978-11-01), Gaughf, Jr.
patent: 4129054 (1978-12-01), Fazis
patent: 4483227 (1984-11-01), Camisa
patent: 4558619 (1985-12-01), Caumont
patent: 4831910 (1989-05-01), Poulsen
patent: 5295424 (1994-03-01), Aulicky

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