2-way reinforcement bending machine

Details 2-way reinforcement bending machine 2-way reinforcement bending machine

2004-06-04

2010-06-22

Jones, David (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

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

C072S218000, C072S387000

Reexamination Certificate

active

07739893

ABSTRACT:
A two-way bending machine for a reinforcement includes a hollow worktable with a top, a drive mechanism, a bending mechanism and a retaining mechanism, the drive mechanism powered by a bi-directional motor to drive the bending mechanism at a reduced rotation, the bending mechanism being extended to the top where a turntable is provided, multiple positioning holes at the center of and on the turntable for insertion of a positioning member and a retaining member to hold the reinforcement in position, the retaining mechanism including two retaining blocks, a track and an air cylinder with both retaining blocks alternatively traveling laterally to get close to the left or the right side of the turntable to serve a support in the bending.

REFERENCES:
patent: 3894422 (1975-07-01), Peddinghaus
patent: 4052875 (1977-10-01), Sakamoto
patent: 4571974 (1986-02-01), Pollhammer et al.
patent: 5144829 (1992-09-01), Fabro et al.
patent: 5195348 (1993-03-01), Del Fabro et al.
patent: 5199292 (1993-04-01), Del Fabro et al.
patent: 5537852 (1996-07-01), Del Fabro et al.

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