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. 15, 2008
Filed:
Aug. 13, 2004
Yasuji Takagi, Yokohama, JP;
Norio Horie, Yokohama, JP;
Osamu Ohkawara, Yokohama, JP;
Masao Hanya, Yokohama, JP;
Kouji Uozumi, Yokohama, JP;
Yasuji Takagi, Yokohama, JP;
Norio Horie, Yokohama, JP;
Osamu Ohkawara, Yokohama, JP;
Masao Hanya, Yokohama, JP;
Kouji Uozumi, Yokohama, JP;
NHK Spring Co., Ltd., , JP;
Abstract
A head suspension for a disk drive has support plate means () serving as a carriage arm and a load beam (). The load beam consists of a rigid part () and a resilient part (), to apply load to a slider () of a head. The support plate means () consists of at least layered two plates (). At least one () of the plates () has a thickness (t) appropriate for forming precision holes therethrough by etching. A pivot hole () is formed through the plate (). A loose hole () larger than and substantially concentric with the pivot hole is formed through the plate (). The plates () have improved flatness, and the pivot hole has improved accuracy.