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:
Sep. 09, 2025
Filed:
Sep. 22, 2023
Kabushiki Kaisha Kawai Gakki Seisakusho, Hamamatsu, JP;
Tsutomu Yamaguchi, Hamamatsu, JP;
KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO, Hamamatsu, JP;
Abstract
A key guide structure for a keyboard instrument including a plurality of keys, for guiding each of the keys being pivotally moved in accordance with depression of the key. Each key includes a rib wall provided inside the key and extending between left and right side walls of the key in a left-right direction, and two left and right guide walls provided inside the key and extending forward a predetermined length from the rib wall with a predetermined spacing therebetween in the left-right direction. The keyboard chassis includes a plurality of key guides each provided on a key-by-key basis such that each key guide protrudes upward, each key guide being inserted between the two guide walls of each associated one of the keys from below and brought into sliding contact with the two guide walls.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile