Follow bar with cam tracks for rocker type conduit bender

Details Follow bar with cam tracks for rocker type conduit bender Follow bar with cam tracks for rocker type conduit bender

1984-07-13

1985-08-27

Combs, E. Michael

Metal deforming

By deflecting successively-presented portions of work during...

By use of work-contacting wiper and moving, work-holding form

72388, B21D 704

Patent

active

045370524

ABSTRACT:
The follow bar of a rocker type conduit bender includes a pair of cam tracks with a series of angular ramp surfaces along their length. The inclination of the ramp surfaces relative to the working surface of the bender shoe is varied inversely with changes in length of the bender lever arm to provide more uniform bending forces on the conduit.

REFERENCES:
patent: 983664 (1911-02-01), Wilson
patent: 1935604 (1933-11-01), Abramson et al.
patent: 2754879 (1956-07-01), Gautier
patent: 2754880 (1956-07-01), Kuehlman et al.
patent: 2812004 (1957-11-01), Huet
patent: 2955638 (1960-10-01), Hellwig
patent: 3555868 (1971-01-01), Hagemeyer
patent: 3987656 (1976-10-01), Evenson

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