Tube-bending device

Details Tube-bending device Tube-bending device

1989-02-03

1991-02-05

Jones, David

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72458, 72477, 72213, 72481, B21D 708

Patent

active

049894412

ABSTRACT:
A tube-bending device that includes a main body on which is pivotably mounted a ratchet lever that via a driving pawl engages a ratchet bar that is displaceably guided in the main body and is provided for an anvil. A detent is also pivotably mounted on the main body and engages the ratchet bar. A holder is provided on the main body, with a first pair of blocks disposed on the one side of the holder, and a second pair of blocks being disposed on the other side of the holder. A respective one of the pairs of blocks is provided for supporting a tube during a bending process.

REFERENCES:
patent: 1079442 (1913-11-01), Rutledge
patent: 3069944 (1962-12-01), Baumgartner
patent: 3199549 (1965-08-01), Wallshein
patent: 3464254 (1969-09-01), Le Breton
patent: 3507141 (1970-04-01), Fisher
patent: 3822578 (1974-07-01), Le Breton
patent: 4790068 (1988-12-01), Sato
patent: 4825682 (1989-05-01), Orav et al.

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