Universal ring bender

Details Universal ring bender Universal ring bender

1996-05-03

1998-01-06

Crane, Daniel C.

Metal deforming

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

By use of deflectors arranged to bend work longitudinally of...

72173, 72444, B21D 708

Patent

active

057042420

ABSTRACT:
Universal pipe bender comprising a geared motor (1; 11); a box, on a working table whereof two or more pairs of hollow rotary motion drives having fixed parallel rotation axes (2, 2a; 2', 2a'; 2", 2a"; 12, 12'; 12a, 12a') intended to receive, interchangeably and integrally in rotation, in their concavity respective roller hearing mandrels (200) and to transmit to the latter rotary motion impressed by said geared motor through gears arranged in said case, and a through slide (4, 40) that can be slidingly operated and fixable in position in a through guide (4') provided in said case, on the same side where said rotary motion drives open, which traverses the fixed interaxes of said pairs of rotary motion drives, and which mounts one or more further roller hearing mandrels (5, 5'; 50, 50').

REFERENCES:
patent: 494450 (1893-03-01), Weir
patent: 4164133 (1979-08-01), Damman
patent: 4580329 (1986-04-01), Bihler
patent: 4653301 (1987-03-01), Meliga
patent: 4696178 (1987-09-01), Bihler
patent: 4723431 (1988-02-01), McKindary
patent: 4910984 (1990-03-01), Young
patent: 4918958 (1990-04-01), Glomb et al.
patent: 5271261 (1993-12-01), Bihler

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