The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 2024
Filed:
Feb. 09, 2021
Robert Bosch Gmbh, Stuttgart, DE;
Gerhard Wetzel, Korntal-Muenchingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to parking brake device () for a vehicle transmission (GT) comprising a driveshaft (AW) and a first actuator (F), via which the driveshaft (AW) can be rotated; a pawl (), which can be lockingly engaged in the vehicle transmission (GT); a rotary mechanism (), which is connected to the driveshaft (AW) and comprises an engaging mechanism, an insert spring () and a permanent magnet (PM), wherein the pawl () and the rotary mechanism () can be moved with the permanent magnet (PM) between a locking position (P) and a neutral position (nP) for the vehicle transmission (GT), wherein the rotary mechanism () can be pretensioned via the insert spring () and the neutral position (nP) can be adopted; wherein the parking brake device () also comprises: a second actuator (F), via which the engaging mechanism can be triggered when the insert spring () is pretensioned and, as a result, the locking position (P) can be entered via an application of force of the insert spring () on the rotary mechanism.