Invention Grant
- Patent Title: Rolling element bell
- Patent Title (中): 滚动元素钟
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Application No.: US13775027Application Date: 2013-02-22
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Publication No.: US09230530B2Publication Date: 2016-01-05
- Inventor: Toshihiro Koizumi
- Applicant: Koizumi Factory
- Applicant Address: JP Toyama
- Assignee: KOIZUMI FACTORY
- Current Assignee: KOIZUMI FACTORY
- Current Assignee Address: JP Toyama
- Agency: Hoffman Patent Group
- Agent David L. Hoffman
- Priority: JP2011-281711 20111222; JP2012-021987 20120203; JP2012-078271 20120329
- Main IPC: G10K1/00
- IPC: G10K1/00 ; G10K1/07 ; G10K1/072 ; G10K1/071

Abstract:
A bell that rings when the entire rolling element bell is shaken, includes a base section having a recess, and a bell section that is supported directly or indirectly by the base section, a rolling element that is adapted to roll in the recess, the rolling element hitting the base section when the entire rolling element bell has been shaken, and the rolling element has rolled to reach an edge of the recess of the base section, and the rolling element bell being configured so that sound produced by the rolling element bell is adjusted by adjusting a contact angle or a contact height of the rolling element with an inner wall of the bell section.
Public/Granted literature
- US20130199435A1 ROLLING ELEMENT BELL Public/Granted day:2013-08-08
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