Bending machine with a compact bend arm

Details Bending machine with a compact bend arm Bending machine with a compact bend arm

2007-02-27

2007-02-27

Suhol, Dmitry (Department: 3725)

Metal deforming

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

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

C072S149000

Reexamination Certificate

active

11344120

ABSTRACT:
A bending machine with a compact bend arm includes in a bend arm (4) being mounted on a rotating spindle (3) a cylinder which is fed with a pressured fluid through hoses (7) being part of a hydraulic circuit connected to a source of pressured fluid and of an electric circuit. Each of the hoses (7), which are side by side, comprises a curved section (7a) around the rotating spindle (3), the curved section (7a) being radiused at one end to a section (7b) parallel to the bend arm (4), and at the other end to a section (7c) directed to the rest of the bending machine, to which hoses (7) are retained. In the section (7b) parallel to the bend arm (4) the plurality of hoses (7) are clamped on a slider (9) slidable in a prismatic guide (10) which is provided in the bend arm (4).

REFERENCES:
patent: 2306223 (1942-12-01), Parker et al.
patent: 2777500 (1957-01-01), Ekholm et al.
patent: 3156287 (1964-11-01), Munro
patent: 3287952 (1966-11-01), Van Harten
patent: 10-128631 (1998-05-01), None
patent: 2004-141891 (2004-05-01), None

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