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:
Apr. 23, 2013
Filed:
Jun. 26, 2007
Stephen Paul Hunter, Bristol, GB;
Hugo George Derrick, Bristol, GB;
Geoffrey Mcfarland, Wotton-under-Edge, GB;
David Roberts Mcmurtry, Dursley, GB;
Stephen Paul Hunter, Bristol, GB;
Hugo George Derrick, Bristol, GB;
Geoffrey McFarland, Wotton-under-Edge, GB;
David Roberts McMurtry, Dursley, GB;
Renishaw PLC, Wotton-under-Edge, GB;
Abstract
A rotary gas bearing is described that comprises a first part rotatable relative to a second part. The first part comprises a support member and a first portion and a second portion attached to the support member. The first portion comprises a first bearing surface and the second portion comprising a second bearing surface. Both the first portion and the second portion are attached to the support member by screw thread connections. The second part may comprise complimentary bearing surfaces. Epoxy may be used to fix the first and/or second portions to the support member. A method of determining the bearing working gap by measuring gas flow through the bearing is also described.