Safety device in road rollers

Details Safety device in road rollers Safety device in road rollers

1978-03-03

1979-05-29

Byers, Jr., Nile C.

Road structure, process, or apparatus

Apparatus

Automatic control

404122, 200 6191, 200DIG1, E01C 1900

Patent

active

041565754

ABSTRACT:
The invention relates to a safety device in road rollers, which have a guide rod with a guide handle so that they can be guided by an operator walking in front of or behind the road roller, and which are driven by an engine through drive transmission means arranged to be disabled, said safety device comprising a sensor element, which extends substantially along the length of the guide handle and responds to the operator grasping the guide handle, and further comprising servo means controlled by the sensor element and adapted to disable the drive transmission means upon releasing of the guide handle.

REFERENCES:
patent: 2133173 (1938-10-01), Meyer
patent: 3156989 (1964-11-01), Atkinson
patent: 3247771 (1966-04-01), Hanson
patent: 3339468 (1967-09-01), Hall
patent: 3422735 (1969-01-01), Vitry
patent: 3431832 (1969-03-01), Lang
patent: 3814531 (1974-06-01), Carnahan

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