Gear selection and engagement device for a motor vehicle transmi

Details Gear selection and engagement device for a motor vehicle transmi Gear selection and engagement device for a motor vehicle transmi

1984-06-15

1986-11-11

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74473R, G05G 508, G05G 912

Patent

active

046215379

ABSTRACT:
Gear selection and engagement device for a motor vehicle transmission, the said device comprising a shaft moving in the direction of and round its own axis and constituting a support for a number of hubs each integral with a corresponding fork; the said device also comprising a first set of teeth projecting radially from the said shaft and being axially and torsionally integral with the same, one of the said hubs being arranged between two adjacent teeth on the said first set; the said device also comprising a second set of teeth projecting radially from the said shaft, being torsionally integral with it and being axially fixed in relation to the transmission case; each of the said hubs having at least one pair of axial grooves designed to accommodate the teeth in the said first and second set; the said grooves being arranged round the circumference of each hub in such a preset manner that, for a preset angular position of the said shaft corresponding to a preset gear selection, all the teeth in the first set are aligned axially with corresponding grooves on the said hubs with the exception of the teeth adjacent to a preset hub belonging to the fork which must be shifted axially for engaging the said gear.

REFERENCES:
patent: 4503727 (1985-03-01), Ballendux

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