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:
Feb. 14, 1989
Filed:
Oct. 13, 1987
Chester W Wood, Milford, OH (US);
Frank G Lamping, Bellevue, KY (US);
Dover Corporation, New York, NY (US);
Abstract
A swivel construction and method of making the same are provided, the construction comprising a body member and an adaptor member, each member having opposed ends and having a passage passing through the ends thereof, one end of the body member and one end of the adaptor member being disposed in telescoped relation, the construction having a retainer disposed between the telescoped ends and tending to hold the members in the telescoped relation while permitting swivel movement therebetween, the construction having a seal disposed between the telescoped ends and tending to seal the telescoped ends together while permitting swivel movement therebetween, the construction having a bearing disposed between the telescoped ends and intermediate the retainer and the seal, the construction having structure for causing the seal to leak a certain amount after the retainer has worn away the bearing a certain amount but is still maintaining the one ends in the telescoped relation thereof.