Structure of stationary bicycle magnetic retarding field
US5094447A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 5, 1991 |
| Grant date | Mar 10, 1992 |
| Priority date | — |
| Expiry date | Mar 5, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S482/903
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A magnetic retarding field generating mechanism comprising a substantially U-shaped bridging member having two sets of magnets at one end symmetrically disposed at the two opposite sides of a flywheel to produce a magnetic field therebetween for retarding said flywheel. The bridging member has an opposite end coupled to the wheel axle of the flywheel so that the relative position between the magnets and the flywheel does not change. A screw rod is driven by a motor to carry the bridging member to move forwards or backwards so as to change the retarding force applied onto the flywheel according to the depth the flywheel cuts in the magnetic field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.