Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1979-01-12
1980-06-10
Mehr, Milton S.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72307, 72 21, 72419, 74 27, 74760, 414431, B21D 712, B21D 4312
Patent
active
042066204
ABSTRACT:
A tube bending machine includes a carriage mounting a rotatable chuck for grasping and positioning a length of tube relative to the bending head of the machine. Motion of the carriage along the bed of the machine toward the bending head and rotation of the chuck relative to the carriage are powered by a pair of remotely mounted stationary motors each driving a chain. One chain is connected directly to the carriage and the other engages a sprocket rotatably mounted on the carriage and connected to rotate the chuck. The arrangement provides a differential drive in which the carriage can be driven by operation of both motors and the chuck can be driven by differential operation of the two motors. In addition the chuck can be rotated simultaneously with advance of the carriage.
REFERENCES:
patent: 2429201 (1947-10-01), Connor et al.
patent: 3145756 (1964-08-01), Hill
patent: 3299681 (1967-01-01), Hautau
patent: 3426562 (1969-02-01), Inda
patent: 3517844 (1970-06-01), Wloszek
patent: 3557585 (1971-01-01), Inda
patent: 3949582 (1976-04-01), Eaton et al.
patent: 3958440 (1976-05-01), Sassak
patent: 3974676 (1976-08-01), Eaton
patent: 4022045 (1977-05-01), Riha
patent: 4094426 (1978-06-01), Vogel
Eaton-Leonard Corporation
Mehr Milton S.
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