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:
Oct. 07, 1980
Filed:
Oct. 30, 1978
Jerry G Jelinek, La Habra, CA (US);
Orville J Bain, Van Nuys, CA (US);
Parker-Hannifin Corporation, Cleveland, OH (US);
Abstract
A sealing device for preventing fluid leakage between a screw and a nut threaded thereon. The thread on the screw includes a cylindrical crest and a helical rounded groove. The device includes an annular elastomeric member having inner and outer peripheral surfaces. The inner peripheral surface includes an axially extending sealing surface which engages the thread crest and a radially inwardly extending sealing projection which engages the thread groove. A relatively rigid support member is radially aligned with the axially extending sealing surface for resisting radially inward deflection thereof. The support member is discontinued at a location aligned with the sealing projection, so that the sealing projection can be radially inwardly deflected by fluid pressure to tightly seal against the thread groove.