Synchronizer with cone cup locater pins
US5497867A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1994 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | Sep 26, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2023/065
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pin-type, double-acting synchronizer mechanism (18) with friction clutches (20,32 and 22,34), jaw clutches (24,14b and 26,16b) and self-energizing ramps. The ramps act between a shaft (12) and a shift flange (28) which is rotatable relative to the shaft and jaw clutch members (24,26). Flange (28) includes radially inwardly extending teeth (48) defining self-energizing ramps (48a,48b,48c,48d) which act against ramps (50a,50b,50c,50d) defined by a post-like portion (50) formed from shaft splines (12b). Three circumferentially spaced pins (36) include blocker shoulders for preventing asynchronous engagement of the jaw clutches and pre-energizer surfaces which each cooperate with a pre-energizer assembly (38). Friction members (20,22) of the friction clutches are slidably splined to gears to prevent relative rotation therebetween and abut surfaces (14d,16d) defined by gears (14,16) to limit axial movement away from mating friction rings (32,34), respectively. Axial movement toward the mating friction rings is limited by rigid pins (44) slidably extending through openings (32b,34b) in the rings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.