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:
Sep. 12, 1989
Filed:
Feb. 01, 1984
Walter Speil, Ingolstadt, DE;
Abstract
A novel inner element for hydraulic valve play compensation element for irnal combustion engines comprised of a cylindrical element (1) closed at one end, (2) a piston element (3) guided therein for longitudinal displacement and a helical spring (8) in the cylindrical element (1) bearing against the inner surface of the closed end (2) and against the piston element (3) characterized in that the bore (4) of the cylindrical element (1) is provided adjacent to the closed end (2) with an increased diameter (9) and contiguous to the end of piston element (3) at the closed end (2) of the cylindrical element (1) is a structural element (8,10) provided with at least one projection (11) engaging the increased diameter (9) of the bore (4).