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:
Mar. 31, 1987
Filed:
Mar. 05, 1986
Werner Lang, Calw, DE;
Jurgen Kretschmer, Stuttgart, DE;
Abstract
A valve spring retainer and locking assembly comprising a locking member which is made screen-like and engages at least one peripheral groove of a valve stem end in a manner known per se employing a bulge, and is pressed against the valve stem end via a conical outer surface in interaction with a valve spring retainer. The locking member has the conical outer surface on the outer periphery of an umbrella-like support surface and also has a cylindrical contact surface with the valve stem on the groove side facing towards the free valve stem end. The valve spring retainer is supported against the screen of the locking member, is made of fiber-reinforced plastic and in the area of the conical outer surface of the umbrella-like support surface has a conical step which leaves an impression on the run of the fibers and, in interaction with the conical outer surface of the locking member, presses the locking member against the stem.