Manual shift control system for a multiple input-multiple output transmission
US4197760A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 4, 1979 |
| Grant date | Apr 15, 1980 |
| Priority date | — |
| Expiry date | Apr 4, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20104
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In combination with a transmission having both multiple input and output portions, each of which contains a plurality of speed change gears, is a manual shift control system having pluralities of both input and output shift rails that are adapted to cooperate with input and output cam shafts that extend through shift rail input and output cam shaft cutouts, with one or both cam shafts having at least one one-way cam which may be in combination with one or both of a two-way cam and an interlock cam, said one-way and two-way cams being adapted to cooperate with one-way and two-way cam follower surfaces, respectively, to effect bidirectional and unidirectional movement of the respective shift rails upon oscillation of the cam shafts, with the cam follower surfaces also being adapted to alternately cooperate with the interlock cams to arrest all but the selected ones of the input and output shift rails against axial movement. Details of actuating means and mechanical interlock means are also set forth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.