Reverse gear synchronizer
US5479835A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1994 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Aug 9, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19405
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A manual transmission for a motor vehicle includes an input shaft; a counter shaft constantly torque-transmittingly coupled to the input shaft and carrying driven gears; a main shaft carrying forward driven gears mounted for free rotation and being in a constant meshing relationship with respective driven gears; and a reverse shaft on which a reverse idler gear and a reverse driven gear are axially fixed. The reverse idler gear and the reverse driven gear are in continuous driving connection with the counter shaft and the main shaft, respectively. A reverse gear selector includes a sleeve axially slidably mounted on the reverse shaft between the reverse idler gear and the reverse driven gear. A locking mechanism is provided on the sleeve, the reverse idler gear and the reverse driven gear for torque-transmittingly coupling the reverse idler gear to the reverse driven gear or for disengaging the reverse idler gear from the reverse driven gear dependent on the position of the sleeve. A synchronizer is mounted on the reverse shaft for synchronizing rotational speeds of the reverse idler gear and the reverse driven gear prior to allowing the sleeve to assume the engaging first position…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.