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:
Mar. 11, 2003
Filed:
May. 02, 2001
Makoto Kanemitsu, Shizuoka-ken, JP;
Mitsuo Yamashita, Shizuoka-ken, JP;
Hiroyuki Kurita, Shizuoka-ken, JP;
Masahiko Abiko, Shizuoka-ken, JP;
Kabushiki Kaisha Kawai Gakki Seisakusho, Hamamatsu, JP;
Abstract
A key is provided for permitting simple attachment of a weight and easy adjustment of a touch load, while using an alternative material for substitution for lead as a material for the weight, to thereby reduce the manufacturing cost. A swingable key body is formed with an embedding hole. The weight is made of a composite material produced by blending a plurality of kinds of materials except for lead in a predetermined blending proportion to have a predetermined specific gravity, and is removably attached to the embedding hole of the key body.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile