Load handling vehicle

Details Load handling vehicle Load handling vehicle

1975-10-14

1977-08-16

Spar, Robert J.

Traversing hoists

Overhead

Cable

212 39MS, 280 611, E02F 338

Patent

active

040421350

ABSTRACT:
A load handling vehicle having a chassis with an engine, wheel, and a control cab, a hydraulically extensible and pivotable telescopic boom pivoted to supports mounted on the rear of the chassis, and a load handling carriage mounted on the free end of the boom.
The vehicle is provided with strain gauges mounted in connection with one axle of the chassis, and the gauges are electrically connected via a time delay circuit to an alarm, and valves for controlling the hydraulic operation of the boom, in order to signal impending instability, and to prevent dangerous instability from occurring.

REFERENCES:
patent: 3680714 (1972-08-01), Holmes
patent: 3713129 (1973-01-01), Buchholz
patent: 3724679 (1973-04-01), Brownell et al.
patent: 3771667 (1973-11-01), Becker et al.
patent: 3792780 (1974-02-01), Spain
patent: 3824578 (1974-07-01), Harders
patent: 3841493 (1974-10-01), Jackson et al.
patent: 3937339 (1976-02-01), Geis et al.

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