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:
Nov. 11, 2003
Filed:
Jul. 18, 2001
Taiho Kogyo Co., Ltd., Toyota, JP;
Abstract
A semi-spherical shoe includes a semi-spherical surface A and a flat end face B. The semi-spherical surface A comprises a sliding contact region which is disposed in sliding contact with a semi-spherical recess B formed in a piston and a lead-in which is located above the sliding contact region or disposed toward a top (recess C) of the semi-spherical shoe. The lead-in has a diameter D which is greater than the diameter D of the sliding contact region thereby allowing a clearance to be produced between lead-in and an opposing portion of the semi-spherical recess B in the piston A reservoir of lubricant oil in a space formed between the semi-spherical recess B and the recess C of the semi-spherical shoe is introduced into the sliding contact region through the clearance A sliding system having an excellent sliding response over the prior art is provided.