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:
Nov. 05, 2024
Filed:
Sep. 22, 2022
Kabushiki Kaisha Kawai Gakki Seisakusho, Hamamatsu, JP;
Tsutomu Yamaguchi, Hamamatsu, JP;
KABUSHIKI KAISHA KAWAI GAKKI SEISAKUSHO, Hamamatsu, JP;
Abstract
A keyboard device for a keyboard instrument includes a keyboard chassis, a key disposed on the keyboard chassis, and a key support mechanism which supports the key from below and causes the key to operate such that the key pivotally moves about a virtual pivot. One of a first arm rear-side connecting portion and a second arm front-side connecting portion includes an engagement shaft extending in a left-right direction, and the other of them includes an engagement recess which has a U shape in side view and open in one of a front direction and a rear direction and is engaged with the engagement shaft. A cushioning member in sliding contact with an inner surface of the engagement recess is mounted on the engagement shaft in a state covering an outer peripheral surface of the engagement shaft.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile