Exercise device
US5443434A · kind A · utility
29Cited by
26References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 1993 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Sep 7, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/42
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A quiet air resistance exercise cycle has a number of sound reduction features in its preferred embodiments. Soundproofing material is used on the inside of the housing surrounding the wheel to absorb sound. The housing comprises solid panels to limit air from outside the housing from contacting the wheel. The housing panels generally defining a polyhedron to create dead spaces for air eddies inside the wheel compartment. The wheel may also include a pitch reduction material and preferably is belt driven.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.