Belt-pulley type steplessly variable transmission assembly

Details Belt-pulley type steplessly variable transmission assembly Belt-pulley type steplessly variable transmission assembly

1987-08-28

1989-04-04

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74701, F16H 3706

Patent

active

048174580

ABSTRACT:
A steplessly variable transmisison system for a vehicle, having a belt-pulley type transmission. An input shaft of the transmission consists of first and second shaft portions. A sleeve member is provided and is slidably splined on the first shaft portion. A driven gear is provided on the second shaft portion which is engageable with the sleeve member by a synchronizer mechanism. A reverse gear mechanism is also provided, the reverse gear of which is engageable with an outer gear formed on the circumference of the sleeve member. The sleeve member is slid by a shaft fork to thereby selectably engage the first shaft portion with the second shaft portion through either the synchronizer mechanism or the reverse gear mechanism. By selecting the engagement through the synchronizer mechanism, a forward driving transmission is implemented, whereas, by selecting the engagement through the reverse gear mechanism, a reverse driving transmission is implemented.

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patent: 4548100 (1985-10-01), Hohn
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patent: 4665775 (1987-05-01), Nagamatsu et al.
patent: 4671138 (1987-06-01), Nobumoto et al.
patent: 4671140 (1987-06-01), Koshio
patent: 4673377 (1987-06-01), Akutagawa
patent: 4736652 (1988-04-01), Shimamoto

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