Metal deforming – By deflecting successively-presented portions of work during... – By use of work-contacting wiper and moving – work-holding form
Reexamination Certificate
2006-05-09
2006-05-09
Banks, Derris H. (Department: 3725)
Metal deforming
By deflecting successively-presented portions of work during...
By use of work-contacting wiper and moving, work-holding form
C072S150000, C072S420000, C072S422000
Reexamination Certificate
active
07040133
ABSTRACT:
A transmission device for a tube bending machine include a first power means and a second power means mounted on the sliding seat to drive the sliding seat as well as a workpiece securely connected to the sliding seat to move. The second means has a second motor alternately connected to the clutch so that the transmission power is selectively transmitted to drive the sliding seat when required. Therefore, transmission of workpiece is smooth and the processing work to the workpiece is accomplished.
REFERENCES:
patent: 2971194 (1961-02-01), Hahn
patent: 3974676 (1976-08-01), Eaton
patent: 5140878 (1992-08-01), Fabbri
patent: 5426965 (1995-06-01), Hopf
Banks Derris H.
Dellett & Walters
Wolfe Debra M
Ying Lin Machine Industrial Co., Ltd.
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