Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1984-12-05
1987-03-10
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
74475, G05G 510, G05G 912
Patent
active
046482830
ABSTRACT:
A gear shift control mechanism for a manual transmission having multiple shift rails slideably mounted on the transmission casing and carrying shift forks for moving synchronizer clutches into engagement with the gears of the various speed ratios of the transmission includes a shift lever supported pivotally for movement both parallel to the axis of the shift rods and perpendicular to the axis of the shift rods. Pivotal movement to the shift rods brings interlock flanges into engagement with the shift forks that are not selected for engagement by the vehicle operator and prevent these shift forks from moving. When certain selected shift forks are engaged, spring arms resiliently bias the shift assembly toward the three-four shift plane. Pivotal movement of the assembly in one angular direction is limited in one plane by bearing contact between the shift lever and the interlock flanges and in the other plane by contact between the interlock flanges and the outer surface of the shift forks. The position of the shift lever is maintained by a detent formed within the interlock mechanism.
REFERENCES:
patent: 911419 (1909-02-01), Marmon
patent: 1736330 (1929-11-01), Schmidt
patent: 2493592 (1950-01-01), Peabody
patent: 2951392 (1960-09-01), Backus
patent: 3602060 (1971-08-01), Magg
patent: 3765261 (1973-10-01), Hobbins
patent: 3902378 (1975-09-01), Osborn
patent: 3994184 (1976-11-01), Osborn
patent: 4048869 (1977-09-01), Johnson
patent: 4277983 (1981-07-01), Izumi et al.
Ford Motor Company
Harrington Donald J.
Herrmann Allan D.
McKenzie Frank G.
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