Small-diameter metallic conduit bending machine

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

1989-06-21

1990-10-23

Crane, Daniel C.

Metal deforming

By use of roller or roller-like tool-element

Comprising tool movable relative to stationary work-portion...

72388, 72321, B21D 7024

Patent

active

049642901

ABSTRACT:
A small-diameter metallic conduit bending machine comprises a stationary frame with a guide surface, a bending member for pressing a metallic conduit against the stationary frame, and an actuator for moving the bending member via a lever. One end of the lever supporting the bending member is pivoted to the stationary frame at a position lying substantially on the axial center line of the metallic conduit within a central portion of a bend section where the metallic conduit is bent so as to lie along the guide surface of the stationary frame. Thus, the metallic conduit can be readily inserted between the guide surface and the bending member, and two successive bending works can be completed through one action.

REFERENCES:
patent: 72669 (1867-12-01), Noland
patent: 747466 (1903-12-01), McClellan
patent: 910282 (1909-01-01), Gerlock
patent: 3788122 (1974-01-01), Ritter et al.
patent: 4248273 (1981-02-01), Marcello
patent: 4662204 (1987-05-01), Saegusa
patent: 4718265 (1988-01-01), Post
patent: 4735075 (1988-04-01), Saegusa
patent: 4805436 (1989-02-01), Saegusa

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