Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1983-03-29
1985-04-16
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
744115, 192 4C, G05G 912, G05G 510
Patent
active
045108196
ABSTRACT:
A device for preventing reverse gear buzzing in a manual transmission comprising a transmission casing, a forward speeds unit provided with a plurality of synchromesh mechanisms, a reverse unit provided with a selective sliding mesh mechanism of a reverse idler gear and having a reverse shift head, a shift-and-select lever shaft, an inner lever attached to the shift-and-select lever shaft, an interlocking plate loosely mounted to the shift-and-select lever shaft and holding the inner lever at both ends, said interlocking plate serving to hold immovably at the neutral position the remaining shift heads other than one of said shift heads which is selected by the select operation of the inner lever, a locking means fixed to the transmission casing and adapted to hold the interlocking plate in such a manner that the interlocking plate is permitted to axially move together with the lever shaft and to rotate relative to the lever shaft, a stopper formed on the shift head adjacent to the reverse shift head and adapted to be engaged and disengaged from the inner lever and means mounted on the inner lever for abutting against the locking means at the reverse select position of the inner lever in such a manner that after abutting of the abutting means against the locking means the inner lever is permitted to slightly move in the shift and select directions and subsequently move only in the shift direction.
REFERENCES:
patent: 2690684 (1954-10-01), Stemler
patent: 3745847 (1973-07-01), Worner et al.
patent: 4221283 (1980-09-01), Nordkvist et al.
patent: 4257284 (1981-03-01), Ashauer et al.
Desai Shirish
Herrmann Allan D.
Toyota Jidosha & Kabushiki Kaisha
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