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:
Oct. 21, 2003
Filed:
Mar. 08, 2002
Kazuo Kobayashi, Saitama-Ken, JP;
Hidefumi Inoue, Saitama-Ken, JP;
Bosch Braking Systems Co., Ltd., Tokyo, JP;
Abstract
An electrically driven brake booster ( ) includes an input member ( ) disposed in operative association with a brake pedal ( ), an output member ( ) disposed in operative association with the master cylinder ( ), and drive transmitting device ( ) for translating a rotating motion of a motor ( ) into a linear motion to be transmitted to the output member ( ). The drive transmitting device ( ) comprises a rack ( ) formed on the output member ( ), and pinions ( ) disposed in operative association with the motor ( ) and in meshing engagement with the rack ( ). Also, reaction transmitting device ( ) which transmits a brake reaction to the input member ( ) and the output member ( ) at a given proportion is provided. In comparison to conventional drive transmitting device, the drive transmitting device ( ) of the present invention has a simple construction, a reduced weight and a better transmission efficiency. The provision of reaction transmitting device allows a correct brake control to be achieved on the basis of a brake reaction.