Gear shifter mounted on steering column of heavy-duty vehicle

Details Gear shifter mounted on steering column of heavy-duty vehicle Gear shifter mounted on steering column of heavy-duty vehicle

1980-08-22

1982-06-08

Truhe, J. V.

Electricity: circuit makers and breakers

Special application

Steering wheel, shaft or column mounted

180336, 200 6185, 200157, H01H 906

Patent

active

043341306

ABSTRACT:
A gear shifter for an automotive vehicle, especially one of the heavy-duty type, comprises a shaft lever which is pivotally mounted on a supporting arm clamped to the vehicular steering column, the lever being swingable in a plane perpendicular to the column between three positions representing neutral, forward drive and reverse drive. A knob on the free end of the shift lever is rotatable about the longitudinal lever axis into four different angular positions representing as many speed ratios or "gears". Two sets of ball checks inside the shift lever serve to index that lever in any of its three pivotal positions and to index the knob in any of its four rotary positions. Two microswitches internally carried by the lever in the vicinity of its swing axis are operable by stationary cams in the "forward" and "reverse" positions, respectively, for transmitting corresponding commands to an electrical control system in the vehicular transmission; similar commands, establishing the several speed ratios, are emitted by four other microswitches which are grouped inside the lever about its longitudinal axis and are operable by cams carried on the rotary knob.

REFERENCES:
patent: 2007084 (1935-07-01), Haines
patent: 3613482 (1971-10-01), Benson, Jr. et al.

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