Small-diameter metallic conduit bending machine

Details Small-diameter metallic conduit bending machine Small-diameter metallic conduit bending machine

1989-06-22

1990-07-03

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Plural or complex apparatus

72381, 72388, 72217, B21D 7024

Patent

active

049380508

ABSTRACT:
A small-diameter metallic conduit bending machine comprises a stationary frame segment and a movable or separated frame segment, each including a bending station. Where a metallic conduit seems to interfere with the movable frame segment kept in its normal position when the metallic conduit is bent by a bending member, the movable frame segment is displaced to avoid interference, a subsequent bending work is performed beforehand, and then the subject bending work is performed after the movable frame segment is returned to its normal position.

REFERENCES:
patent: 2305850 (1942-12-01), Drysdale
patent: 2366012 (1944-12-01), Draper et al.
patent: 4090387 (1978-05-01), Dubreuil
patent: 4662204 (1987-05-01), Saegusa
patent: 4735075 (1988-04-01), Saegusa
patent: 4747768 (1988-05-01), Crupi
patent: 4805436 (1989-02-01), Saegusa

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