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. 06, 2007
Filed:
Dec. 09, 2003
Shawn Close, Portland, OR (US);
Mark C. Riehl, Washougal, WA (US);
Shawn Close, Portland, OR (US);
Mark C. Riehl, Washougal, WA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
In one embodiment, a bearing comprises a cylindrical bearing surface supporting a spherical journal surface. In another embodiment, a device comprises a shaft having a spherical journal surface supported inside and rotatable against a cylindrical bearing surface. In another embodiment, a sheet media feed mechanism comprises: a chassis; a motor mounted to the chassis; a rotatable shaft operatively coupled to the motor; a roller affixed to the shaft; an idler disposed opposite the roller; the idler and the roller engagable with one another to form a nip therebetween; bearings mounted to the chassis and supporting the shaft, each bearing having a cylindrical inner bearing surface; and the shaft having a spherical journal surface inside and rotatable against each bearing surface.