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:
Jul. 21, 2020
Filed:
May. 11, 2017
Applicant:
Zikit Drums Ltd., Ra'anana, IL;
Inventors:
Assignee:
ZIKIT DRUMS LTD., Ra'anana, IL;
Primary Examiner:
Int. Cl.
CPC ...
G10D 13/02 (2020.01); G10D 13/16 (2020.01);
U.S. Cl.
CPC ...
G10D 13/02 (2013.01); G10D 13/16 (2020.02);
Abstract
Aspects of embodiments concerns an apparatus for tuning a drum, the drum comprising a drum shell having an upper skin, the apparatus comprising: an outer static rim that is removably operably coupleable to the inside wall of a drum shell; a diameter adjustment mechanism that is removably operably coupleable with the drum shell, the diameter adjustment mechanism including one or more inner cylindrical shells mountable within the drum shell and being configured for axial displacement whereby an upper rim thereof can be selectively brought into or out of contact with an upper skin of the drum and thereby change an effective diameter of the upper skin.