Patent · US Expired

Transmission parking brake

US7140483B2 · kind B2 · utility

3Cited by

4References

15Claims

0Family size

Assignee

Ina Schaeffler KG · DE

Inventors

Klaus Krämer · Baudenbach, DE
Swen Dörrie · Herzogenaurach, DE

Key dates

Filing date	Apr 26, 2003
Grant date	Nov 28, 2006
Priority date	—
Expiry date	Aug 26, 2023

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D2121/12
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A parking lock (1) of a transmission comprises a parking lock wheel (2) that is rotationally fixed relative to a shaft (25) and a locking ring (3) that is rotationally fixed relative to a housing (24), the locking ring (3) can be displaced axially into a positive locked connection with the parking lock wheel (2) by an engaging element (4) and can be released from the locked connection by a hydraulically actuated release element (6).

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