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:
May. 01, 2012
Filed:
Aug. 25, 2009
Shota Seki, Fujisawa, JP;
Shuichi Kiyomoto, Fujisawa, JP;
Nobuyuki Oka, Fujisawa, JP;
Michiya Totoki, Fujisawa, JP;
Teruhiro Nakamiya, Yokohama, JP;
Takeji Sumiya, Fujisawa, JP;
Tomoki Hiramatsu, Fujisawa, JP;
Kohji Takahashi, Yamato, JP;
Shota Seki, Fujisawa, JP;
Shuichi Kiyomoto, Fujisawa, JP;
Nobuyuki Oka, Fujisawa, JP;
Michiya Totoki, Fujisawa, JP;
Teruhiro Nakamiya, Yokohama, JP;
Takeji Sumiya, Fujisawa, JP;
Tomoki Hiramatsu, Fujisawa, JP;
Kohji Takahashi, Yamato, JP;
Abstract
For cushioning a shock to prevent problems such as a reading error, a ramp for a magnetic disc apparatus is made of a resin material for forming a ramp main body and a material having higher rigidity than the resin material, disc facing surfaces in the disc insertion portion for inserting a magnetic disc is provided with disc contact portions made of the high rigidity material, a bottom surface portion of a concave portion of the disc insertion portion is constructed by a combination of a bottom surface portion made of the resin material and a bottom surface portion made of the high rigidity material, and a step structure is provided by arranging the bottom surface portion made of the high rigidity material at a position moved rearward in a depth direction of the concave portion in comparison with the bottom surface portion made of the resin material.