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. 17, 2020
Filed:
Jun. 19, 2019
Casio Computer Co., Ltd., Shibuya-ku, Tokyo, JP;
CASIO COMPUTER CO., LTD., Toyko, JP;
Abstract
A keyboard instrument including a plurality of keys and a keyboard chassis, in which each key has a shaft or a shaft hole provided on one end side thereof. The keyboard chassis is provided with shafts when the plurality of keys has shaft holes, and is provided with shaft holes when the plurality of keys has shafts. This keyboard chassis supports the plurality of keys by the shafts being arranged in the shaft holes. Also, first spaces and second spaces are formed between an inner surface of the shaft hole and the shaft. The first spaces are positioned in a vertical direction of the key, and the second spaces are positioned in a longitudinal direction of the key. In addition, the second spaces are larger than the first spaces.