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:
Feb. 18, 1986
Filed:
Jan. 21, 1983
Applicant:
Inventors:
Akihiko Isaka, Nagano, JP;
Takeo Saito, Nagano, JP;
Assignee:
Kabushiki Kaisha Sankyo Seiki Seisakusho, Nagano, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10F / ;
U.S. Cl.
CPC ...
84 96 ;
Abstract
A drum for a music box comprises a cylindrical drum body, a pair of end plates fixed to end faces of said drum body, one of the end plate having an center opening, and an external output shaft (14) positioned in the opening and projecting outside of the cylindrical drum body. A diameter of the opening is much greater than that of the external output shaft. The drum includes portions for engaging with the external output shaft for preventing axial and rotational displacement between the external output shaft and the end plates. The engaging portions are provided within the cylindrical drum body.