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. 01, 2011
Filed:
Mar. 05, 2008
Kazuhiro Asayama, Nagoya, JP;
Kazuhiro Asayama, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
A jig for used in performing a finish processing of a cylinder borecomprises a jig bodythat comes close to and disengages from a cylinder head mounting surface, bolt memberthat forms a tapered bore portionby a internal surfaceof a plurality of blot pieceshaving a threaded portionengageable to a female threaded portionof a head bolt holeand that expands the diameter thereof by a wedge action receiving through the tapered bore portion, a tapered shaft memberhaving a tapered surface portioninserted into the tapered bore portionso as to add the wedge action to it, and a piston memberhaving a pressing surfacecontacting a given surface portion on the cylinder head mounting surface