Gear shift mechanism for a manual automotive transmission

Details Gear shift mechanism for a manual automotive transmission Gear shift mechanism for a manual automotive transmission

1990-04-18

1991-10-29

Moore, Richard E.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

G05G 912

Patent

active

050605380

ABSTRACT:
A gear shift mechanism for a manual transmission includes a shaft axially movable for selecting shift planes and rotatable for engaging the gears defining the shift planes. The shaft is held in a reference shift plane by two helical springs. A finger, fixed to the shaft, carries a cam defining detent surfaces engaged by a spring-loaded catch stud. Shift fork rods support shift forks which have arms formed with grooves extending toward a locking plate that is moved axially along the shaft by the shift finger. The locking plate blocks engagement grooves of the unselected shift forks.

REFERENCES:
patent: 4377951 (1983-03-01), Magg et al.
patent: 4539859 (1985-09-01), Arai et al.
patent: 4572020 (1986-02-01), Katayama
patent: 4605109 (1986-08-01), Fukuchi et al.
patent: 4608877 (1986-09-01), Okubo et al.

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