Assembly for the automatic operation of hand carts, especially h

Details Assembly for the automatic operation of hand carts, especially h Assembly for the automatic operation of hand carts, especially h

1976-05-21

1978-03-07

Bertsch, Richard A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180 14R, 180 98, 254 7C, B60D 104, B60P 110

Patent

active

040775356

ABSTRACT:
An assembly for providing automatic operation of hand carts of the type particularly adapted for hospital usage, featuring an electric automotive device being controlled by buried cables and capable of sliding beneath the base of said hand cart, a vertically movable platform on said automotive device for lifting said hand cart when said device is disposed therebeneath, a plurality of realignment knobs on said lifting platform for cooperating with a corresponding plurality of cone-shaped cups on the lower side of said hand cart base, and spaced apart magnetic detectors on said automotive device cooperable with at least one magnet on the lower side of said hand cart base for controlling the slowing down and stopping of the device under said cart when it is positioned therebeneath by moving along said buried cables.

REFERENCES:
patent: 1772939 (1930-08-01), Fitch
patent: 2761522 (1956-09-01), Paradiso
patent: 2973823 (1961-03-01), Stentz
patent: 3474877 (1969-10-01), Wesener
patent: 3495677 (1970-02-01), Wilson
patent: 3647014 (1972-03-01), Wilke
patent: 3648869 (1972-03-01), Christianson
patent: 3702641 (1972-11-01), Schnell
patent: 3851854 (1974-12-01), Roybal

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