Air spring position switch

Details Air spring position switch Air spring position switch

1985-07-18

1987-06-30

Tolin, G. P.

Electricity: circuit makers and breakers

Special application

Feeler moves into detecting contact with object

200276, 280DIG1, 340605, H01H 1514

Patent

active

046772634

ABSTRACT:
A position switch is set forth which is adapted to generate a signal whenever two masses, such as a vehicle sprung and unsprung mass, are at or nearer than a desired spacing. The switch includes a grounded, conical, coiled spring attached to one mass, and an electrically charged plate secured to the other mass. The spring has a relaxed length to lie adjacent the plate when the masses are at the desired spacing. When the masses are brought together the spring contacts the plate, is compressed, and the plate is grounded generating a current signal indicating that the masses are at or nearer than the desired spacing.

REFERENCES:
patent: 3379851 (1968-04-01), Weremey
patent: 3394345 (1968-07-01), Thomas
patent: 3944769 (1976-03-01), Wagner
patent: 4007343 (1977-02-01), Alten
patent: 4211935 (1980-07-01), Erben
patent: 4398704 (1983-08-01), Buchanan, Jr.

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