Device for automatically stopping high-altitude working vehicle

Details Device for automatically stopping high-altitude working vehicle Device for automatically stopping high-altitude working vehicle

1974-11-13

1976-11-30

Scott, James R.

Electricity: circuit makers and breakers

Special application

200 81R, 182 19, H01H 3500, C05B 1100

Patent

active

039951278

ABSTRACT:
There is provided a device for automatically stopping the movement of a high-altitude working vehicle in response to overload thereon. The device detects a bending moment load on the ladder or tower of the working vehicle by means of an oil pressure gauge which through a switching mechanism stops the further movement of the ladder or the tower when the latter is overloaded.

REFERENCES:
patent: 3533294 (1970-10-01), Fahy
patent: 3670849 (1972-06-01), Milner, Jr.
patent: 3825704 (1974-07-01), Brauer
patent: 3860029 (1975-01-01), Hubler
patent: 3860088 (1975-01-01), Gettatly

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