Electronically controlled gear shift mechanism particularly suit

Details Electronically controlled gear shift mechanism particularly suit Electronically controlled gear shift mechanism particularly suit

1994-08-04

1996-07-23

Bonck, Rodney H.

Machine element or mechanism

Gearing

Interchangeably locked

74336R, 74473R, 74625, 180336, 340456, 340461, F16H 5904

Patent

active

055378854

ABSTRACT:
A gear shift mechanism particularly suited for a drag racing car is disclosed that causes the gear shifts of a transmission to be sequenced upon the attainment of selectable predetermined conditions so that the drag racing car obtains its desired acceleration in an optimum manner. The gear shift mechanism comprises electrically or pneumatically operated cylinders that move the gear shift lever upon sensing optimum conditions related to the acceleration performance of the drag racing car. The cylinders are positioned on opposite sides of the gear shift lever and provide counter-forces during shifting through at least one gear and yet allow the gear shifting to preferably be accomplished in a single direction. The counter-acting cylinders eliminate overshooting of the gear shift lever during movement of the lever arm. Alternatively, manual input instead of predetermined conditions may be substituted into the gear shift mechanism.

REFERENCES:
patent: 2751580 (1956-06-01), Stump
patent: 4631515 (1986-12-01), Blee et al.
patent: 4873891 (1989-10-01), Guanciale
patent: 5309139 (1994-05-01), Austin
patent: 5371487 (1994-12-01), Hoffman et al.
patent: 5448925 (1995-09-01), McFadden
patent: 5471894 (1995-12-01), McFadden

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