Bending brake with multiple selectively operative clamp jaws

Details Bending brake with multiple selectively operative clamp jaws Bending brake with multiple selectively operative clamp jaws

1992-08-24

1993-10-19

Crane, Daniel C.

Metal deforming

With use of control means energized in response to activator...

Sensing tool or tool-linked part

72319, B21D 504

Patent

active

052534987

ABSTRACT:
A bending brake including a horizontal lower clamp jaw, a bending beam mounted for pivotal movement about a horizontal relative to the lower clamp jaw, and an upper jaw carrier mounted for vertical movement into and out of work clamping engagement with the lower jaw. The upper jaw carrier has a plurality of clamp jaws mounted at angularly spaced locations on the carrier and carrier position control mechanism is provided for turning and locking the upper jaw carrier to selectively position different upper clamp jaws in an operational position relative to the lower clamp jaw.

REFERENCES:
patent: 1833376 (1931-11-01), Simmons
patent: 2685122 (1954-08-01), Berthiez
patent: 2748864 (1956-06-01), Ewaldson
patent: 4312105 (1982-01-01), Brown
patent: 5107695 (1992-04-01), Vandenbroucke
Brochure-"Autobrake 2000" by Roper Whitney, published about Jun., 1991.

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