Speed indicator device for vehicles

Details Speed indicator device for vehicles Speed indicator device for vehicles

1987-12-18

1989-03-28

Levy, Stewart J.

Measuring and testing

Speed, velocity, or acceleration

Magnetic speed measuring or mechanical speed measuring with...

464 57, G01P 3495, G01P 356

Patent

active

048153222

ABSTRACT:
A speed indicator device for vehicles is described, of the type in which the speed indication is given over a scale by an index fitted to an oscillating element drawn for example, by a permanent magnet carried into rotation by the shaft of an electric motor. The device comprises a bush on one side fixed to the magnet and on the other fixed, by a spring, to the shaft of the electric motor.

REFERENCES:
patent: 3625326 (1971-12-01), Rix et al.
patent: 4241607 (1980-12-01), Maggia
patent: 4514109 (1985-04-01), McKenna
patent: 4586593 (1986-05-01), Danelson et al.

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