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:
Sep. 11, 1990
Filed:
Sep. 11, 1989
John R Coleman, Dayton, OH (US);
Malvin L Schubert, Kettering, OH (US);
General Motors Corporation, Detroit, MI (US);
Abstract
An apparatus is provided for connecting a master cylinder to a brake booster of the type which has a shell with a planar front surface and a plurality of threaded studs displayed about the bore and projecting from the planar front surface. The master cyliner has a necked down end portion defining a shoulder facing the booster. The master cylinder has a circumferential extending groove provided in the necked down end portion and spaced longitudinally from the shoulder. An adapter has a central aperture to receive the necked down end portion of the master cylinder and a plurality of apertures which register with the plurality of threaded studs. A lock ring or other locking device is received in the groove of the master cylinder and effective to lock the adapter to the master cylinder and in engagement with the shoulder. A plurality of threaded nuts are installed on the threaded studs to retain the adapter in engagement with the planar surface of the booster shell.