Shear

Details Shear Shear

1981-12-18

1984-07-17

Schran, Donald R.

Cutting

Means to drive or to guide tool

With simple oscillating motion only

83627, 83644, B23D 1508

Patent

active

044598890

ABSTRACT:
A cutting or shaping mechanism is described in which the cutting or pressing force is applied to a moving blade or shaping assembly over a limited part of the length of that assembly, including where the assembly is in engagement with the work. The application of the cutting or pressing force is moved progressively along the assembly to cause the assembly to roll on the work and progressively cut or apply pressure to the work. The invention is particularly applicable to a rolling cut shear having a single moving blade assembly or a pair of oppositely curved moving blade assemblies.

REFERENCES:
patent: 552710 (1896-01-01), Jefferies
patent: 736536 (1903-08-01), McDonner
patent: 2922458 (1960-01-01), Jensen
patent: 3316791 (1967-05-01), Greis et al.
patent: 3678792 (1972-07-01), Dvorak
patent: 3886828 (1975-06-01), Muller
patent: 3913438 (1975-10-01), Walters
patent: 4054076 (1977-10-01), Kumabe
patent: 4079649 (1978-03-01), Ishii et al.

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