Patent · US Active

Parking lock system for an automatic transmission

US8459433B2 · kind B2 · utility

7Cited by

5References

18Claims

0Family size

Assignees

ZF FRIEDRICHSHAFEN AG · DE
Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Michael Volz · Offenbach, DE
Ludger Rake · Diepholz, DE
Andreas Giefer · Bohmte, DE
Sascha Rosentreter · Espelkamp, DE
Roland König · Habach, DE

Key dates

Filing date	Mar 26, 2009
Grant date	Jun 11, 2013
Priority date	—
Expiry date	Feb 23, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C2361/65
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A parking lock for an automatic transmission of a motor vehicle is provided, wherein the automatic transmission has an actuator which can disengage a locking element in the automatic transmission, the locking element is held in a locked position by spring force, and a locking assembly (1) is provided which is connected via an actuating element (2) to the locking element and which has a knee lever (3) which can fix the actuating element (2) so as to prevent engagement of the locking element in the automatic transmission. The invention is characterized in that the knee lever (3) fixes the actuating element (2) in an overextended position, wherein a fixed counter support (4) is attached at the overextended side of the knee lever (3).

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