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:
Jan. 05, 1988
Filed:
Feb. 20, 1987
Walter Speil, Ingolstadt, DE;
Abstract
An inner element for the hydraulic valve clearance compensation element for n internal combustion engine comprising a cylindrical element (3) closed on one end and a piston element (5) guided therein for longitudinal displacement and protruding beyond the open end of cylindrical element (3), the piston element (5) having a reduced outer diameter (6) in its protruding portion engaging a radial flange (10) of a restraining element (9) held by a collar (11) on the open end of cylindrical element (3), the open end of element (3) having also a reduced outer diameter (7) with an additional diameter reduction in the form of peripheral groove (8) engaging positively the collar (11) of the restraining element (9) at at least some peripheral points, the restraining element (9) having one projection (13) at at least one peripheral point radially protruding beyond the outer diameter of cylindrical element (3), characterized in that the collar (11) of restraining element (9) is provided in its initial stage at its end opposite to the radial flange (10) with an outer diameter (13) greater than the outer diameter of cylindrical element (3) in which area at least two indentations spaced about the circumference are provided at which the restraining element material is shaped into the peripheral groove (8) of the cylindrical element (3).