Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Patent
1985-05-17
1986-12-23
Crane, Daniel C.
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
72421, 198621, B21J 1308
Patent
active
046304614
ABSTRACT:
A transfer feed mechanism, for use in a power press, is disclosed. The feed mechanism comprises multiple finger units for moving successive workpieces along a plurality of different axes so as to transfer the workpieces to desired work stations in desired positions and attitudes. The feed mechanism includes a power takeoff from the main drive of the power press, a plurality of drive means connected to the power takeoff for driving the finger units along the different axes in synchronism with the power press, and a secondary drive motor for driving the finger units along at least one of the axes independently of the power takeoff. The drive means includes at least one differential mechanism connected to both the power takeoff and the secondary drive motor to permit the finger units to be selectively driven by either the power takeoff or the secondary drive motor.
REFERENCES:
patent: 1477778 (1923-12-01), Smith
patent: 3422657 (1969-01-01), Grombka et al.
patent: 4038862 (1977-08-01), Yamashita
patent: 4373370 (1983-02-01), Allen et al.
patent: 4436199 (1984-03-01), Baba et al.
Machine Design, "Mechanical Drives Reference Issue", vol. 48, No. 13, Jun. 3, 1976, pp. 19 and 20.
Avondale Industries, Inc.
Crane Daniel C.
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