Combination speed transducer and speedometer cable

Details Combination speed transducer and speedometer cable Combination speed transducer and speedometer cable

1979-10-22

1981-01-27

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Structural installation or mounting means

73510, 73519, G01P 107, G01P 3484

Patent

active

042467900

ABSTRACT:
A speedometer cable for a vehicle driven from the vehicle transmission has a speed transducer incorporated in the end fitting which attaches to the transmission housing. The speed transducer comprises, for example, a reed switch driven by a permanent magnet which rotates with the speedometer cable core for opening and closing at a rate dependent on the speed of rotation. The transducer has one terminal grounded through the end fitting to the transmission housing and another lead electrically connected to the reinforcing wire of the speedometer cable. A terminal member with an insulation piercing clip is spaced at a position remote from the end fitting and makes contact with the reinforcing wire to provide an electrical connection between the remote terminal and the reed switch to allow transmission of an electrical speed signal from the reed switch to the remote terminal.

REFERENCES:
patent: 3164698 (1965-01-01), Perrine
patent: 3911237 (1975-10-01), Naito et al.
patent: 4074157 (1978-02-01), Lace

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