Suction lifting device

Details Suction lifting device Suction lifting device

1988-08-17

1990-08-07

Spar, Robert J.

Material or article handling

Vertically swinging load support

Grab

294 631, 294 65, 294 816, 414737, E01C 500, E01C 1900

Patent

active

049463357

ABSTRACT:
A suction lifting device for lifting and laying a layered plurality of individual slabs, bricks, stones and the like in unison to provide an exterior paved surface of a road, walk, roof or the like. A plurality of vacuum pucks are supported by the vacuum plenum of a frame through flexible tubular members which operably engage a similar number of slabs or bricks and move them in unison to a preselected and configured location. The frame is carried by a supporting means and a load-bearing member which can be mounted on a self-propelled apparatus.

REFERENCES:
patent: 3506140 (1970-04-01), Koch et al.
patent: 4787812 (1988-11-01), Gopfert

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