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, 1986
Filed:
Aug. 25, 1983
Seishi Miura, Shiki, JP;
Nittan Valve Co., Ltd., Tokyo, JP;
Honda Giken Kogyo Kabushiki Kaiska, Tokyo, JP;
Abstract
Disclosed is an improved hydraulic lash adjustor in a valve operating mechanism for automatically eliminating valve head clearance of the type which includes a cylinder, a plunger slidably fitted into the cylinder and a check valve accommodated in a valve cage secured to the bottom portion of the plunger, said check valve being adapted to control communication between a hydraulic chamber defined below the plunger and a hydraulic oil reservoir chamber formed in the plunger in dependence on operation of an engine. A flange portion of the valve cage is firmly held in position between the bottom portion of the plunger and a caulking ring fitted into an annular engagement groove formed on the plunger. The annular engagement groove has upper and lower side wall surfaces and at least the lower side wall surface is formed as a tapered face which extends radially inward at a downward inclination angle.