Sound modifying cap for housing
US7801323B2 · kind B2 · utility
2Cited by
11References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 25, 2005 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Jul 24, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B37/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A device for housing a sound-emitting transducer including a housing and a cap. The housing has a chamber defined by a cylindrical sidewall and an endwall with apertures. The cap mounts to the housing, and has apertures that can register with the apertures in the endwall. A groove is formed between the cap and teeth formed at its circular outer periphery. The cap's circular lip is inserted into the groove by deforming the cap slightly. Thus, relative movement is permitted between the cap and housing for registering and de-registering the apertures on the cap and housing. This controls the volume of the sound-emitting transducer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.