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:
Jun. 14, 1994
Filed:
Jun. 17, 1993
Kraig D Schultz, Jenison, MI (US);
Timothy J Fullmer, Muskegon, MI (US);
Robert C Roos, Fruitport, MI (US);
Sealed Power Technologies Limited Partnership, Muskegon, MI (US);
Abstract
A direct acting hydraulic tappet including a one piece body shell having an outer cylinder, an inner cylinder and a plurality of integral axially extending webs that connect the outer cylinder and the inner cylinder. A cam face member is attached to one end of the body. An oil hole extends from the outer surface of the outer cylinder through one of the webs to an inner surface of the inner cylinder. The hydraulic lash compensating unit is positioned in the inner cylinder. The body shell is made from an extruded length of aluminum and is preferably coated with a Teflon impregnated anodized coating. The cam face is made of steel, cast iron or ceramic and is attached to the one end of the body shell by electromagnetic deformation or by the use of adhesive.