Gas spring

Details Gas spring Gas spring

1980-04-17

1982-02-23

Rubinson, Gene Z.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

200 82D, 200292, 339 17F, H01H 300

Patent

active

043170145

ABSTRACT:
In the illustrative embodiments disclosed, one or more independent current paths are provided in a gas spring by use of printed circuit-type conductors. The printed conductor or conductors are preferably formed on a strip of insulating material using known printed circuit techniques, and the strip is then affixed to the cylinder member of the gas spring by an adhesive or, alternatively, by a heat-shrunken surrounding, plastic tube. A current path may be connected to provide a switch function or to establish a closed circuit over a substantial portion of or the entire stroke of the piston rod member. Where plural current paths are provided, the different paths can be given different functions.

REFERENCES:
patent: 1003455 (1911-09-01), Hardwick
patent: 2881403 (1959-04-01), Vetavsky
patent: 2994058 (1961-07-01), Dahlgren
patent: 3646512 (1972-02-01), Borgstede
patent: 3649786 (1972-03-01), Mauron
patent: 3812312 (1974-05-01), Andersen et al.
patent: 3844247 (1974-10-01), Collis et al.
patent: 3853331 (1974-12-01), Jones
patent: 3919509 (1975-11-01), Schnitzius
patent: 4163970 (1979-08-01), Allinquant et al.

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