Workpiece transfer apparatus effecting vertical and horizontal m

Details Workpiece transfer apparatus effecting vertical and horizontal m Workpiece transfer apparatus effecting vertical and horizontal m

1990-07-13

1992-04-21

Werner, Frank E.

Material or article handling

Vertically swinging load support

Grab

414735, 414752, 901 15, 901 40, B65G 4791

Patent

active

051062585

ABSTRACT:
A workpiece transfer apparatus includes a first arm mounted at its lower end on a base for angular movement about a first angular movement axis extending substantially horizontally. A second arm is mounted at its upper end on an upper end of the first arm for angular movement about a second angular movement axis parallel to the first angular movement axis. The first arm is longer than the second arm. The apparatus further comprises a holder device for releaseably holding a workpiece. The holder device is mounted on a lower end of the second arm. The holder device and the first arm are disposed respectively on the opposite sides of the second arm spaced from each other in the direction of the first and second angular movement axes, so that the holder device, when moving horizontally, does not interfere with the first arm. The first and second arms are angularly moved respectively by first and second drive devices.

REFERENCES:
patent: 3010587 (1961-11-01), Hollinger
patent: 3561614 (1971-02-01), Tezuka et al.
patent: 3630389 (1971-12-01), Schmidt et al.
patent: 3991885 (1976-11-01), Warren
patent: 4299533 (1981-10-01), Ohnaka
patent: 4487409 (1984-12-01), Orii
patent: 4492510 (1985-01-01), Tanii et al.
patent: 4787813 (1988-11-01), Stevens et al.
patent: 4964776 (1990-10-01), Wakita et al.

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