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. 11, 2003
Filed:
Oct. 21, 1994
Applicant:
Inventor:
John Richard Yaeger, Sunnyvale, CA (US);
Assignee:
Seagate Technology LLC, Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 2/122 ;
U.S. Cl.
CPC ...
G11B 2/122 ;
Abstract
A novel ramp loading scheme minimizes wear and friction between the rubbing surfaces (typically the flexure and the ramp surface) where both the ramp assembly and the actuator arm are coated with a hard, low-friction fluoropolymer compound. Tests conducted with this coating-on-coating scheme demonstrated that, after multiple load/unload cycles, the coefficient of friction along the rubbing surfaces was low and did not change appreciably. To minimize flying debris, if any, from contacting sensitive disc drive parts, a lubricant is coated on the stationary part (i.e., the ramp assembly).