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:
May. 22, 1990
Filed:
Jun. 09, 1989
Seiya Odaka, Saitama, JP;
Akebono Brake Industry Co., Ltd., Tokyo, JP;
Abstract
A disc brake of a guide pin type which comprises a boss member provided on one of a caliper of the disc brake and a support member fixed to a stationary portion of a vehicle, a guide pin slidably mounted in the boss member, the guide pin being fixed to the other one of the caliper and the support member, and a boot for damping and sealing the boss member. The boot is disposed between the boss member and the guide pin, the boot is formed of an elastic material, the boot is provided at one end thereof with a thickened portion and a seal portion. The thickened portion has an outer diameter substantially equal to an inner diameter of one end of the boss member, and the thickened portion being press-fitted in between the boss member and the guide pin. The seal portion is substantially tubular, the seal portion is formed integral with the boot, the seal portion is disposed radially outwardly of the thickened portion in surrounding relation to the thickened portion, and the seal portion is fitted on the outer surface of the boss member.