Patent · US Expired

Synchronizing device for manual transmissions

US5887688A · kind A · utility

13Cited by

4References

15Claims

0Family size

Assignee

INA-WALZLAGER SCHAEFFLER KG · DE

Inventors

Volker Ploetz · Herzogenaurach, DE
Wilfried Soyka · Herzogenaurach, DE
Manfred Winkler · Herzogenaurach, DE

Key dates

Filing date	Nov 19, 1996
Grant date	Mar 30, 1999
Priority date	—
Expiry date	Nov 19, 2016

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H63/38
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A synchronizing device (4) comprises a thrust member (10) to initiate synchronization during a gearshifting operation, and the thrust member (10) receives a spherical locking element (12) to lock a sliding sleeve (9) in its neutral position. According to the invention, the thrust member (10) which is made as a one-piece element comprising a foot portion (26) and a head portion (27) receives the locking element (12) and a compression spring (11) in its interior and is displaceable in a T-shaped longitudinal groove (25) of an inner synchronizer ring (5).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.