Magnet shaft assembly for speedometer and odometer

Details Magnet shaft assembly for speedometer and odometer Magnet shaft assembly for speedometer and odometer

1973-11-28

1976-01-27

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Magnetic speed measuring or mechanical speed measuring with...

G01P 349

Patent

active

039344789

ABSTRACT:
A speedometer magnet shaft assembly having a plastic magnet shaft and integrally formed annular wall moldably secured to the magnet and flux collector. A helical gear is moulded on the annular wall for transmitting movement to the odometer. The molded magnet shaft also has a recess formed therein at each end and a peripheral recess formed therein intermediate the ends. The end recesses receive the speedometer pointer shaft and flexible shaft ends, respectively. The peripheral recess receives a portion of the speedometer frame bracket to prevent axial movement of the magnet shaft.

REFERENCES:
patent: 3111037 (1963-11-01), Wallis, Jr.
patent: 3517561 (1970-06-01), Holbrook
patent: 3693459 (1972-09-01), Powell

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