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. 17, 1997
Filed:
Dec. 09, 1994
James F Gardner, Cranston, RI (US);
Matthew D Cunningham, Cranston, RI (US);
EG&G Sealol, Inc., Cranston, RI (US);
Abstract
A stationary assembly for use in a gas or liquid seal for sealing an interface between a machine body and a rotatable shaft. The stationary assembly includes an annular seal ring attached to the machine body and surrounding the shaft. An annular seal ring housing secures the seal ring and includes a plurality of bores. Each bore retains a spring. A circumferentially flexible 'O' ring holder receives the springs. The 'O' ring holder presses an 'O' ring against a balance diameter surrounding the shaft and the seal ring to provide a seal. The 'O' ring holder includes a plurality of slots formed therein and arranged to provide the circumferential flexibility.