Handling apparatus

Details Handling apparatus Handling apparatus

1994-07-14

1996-12-31

Underwood, Donald W.

Material or article handling

Vertically swinging load support

Grab

4147884, B66C 100

Patent

active

055887953

ABSTRACT:
A handling apparatus can be used with particular advantage as a pallet moving apparatus, and includes a machine frame with an extension arm, movable in the vertical direction and in the horizontal direction, on which is provided an engaging element for receiving a gripping device. The extension arm has a first rocker element that is mounted on the machine frame and is driven rotatably about a horizontal rotation axis, and at its free end a second rocker element is arranged rotatably and is positively coupled to the first rocker element via a linkage in such a way that when the first rocker element rotates, the engaging element describes a locus curve with largely linear horizontal and vertical sections. Preferably the two rocker elements are positively coupled in such a way that an imaginary rotation of the first rocker element through 360 degrees results in a substantially square locus curve in a vertical plane. The apparatus requires only one NC axis in order to be able to arrive at every point on the locus curve, and is of simple and space-saving construction.

REFERENCES:
patent: 2948417 (1960-08-01), Haanes
patent: 3750490 (1973-08-01), Fisher
patent: 4056198 (1977-11-01), Boserup
patent: 4897015 (1990-01-01), Abbe et al.
patent: 5017083 (1991-05-01), Sahlin
patent: 5046992 (1991-09-01), Tamai et al.

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