Wheel with brake device
US5785154A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 20, 1997 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Feb 20, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B2200/22
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A type of wheel with a brake device is devised which consists of 2 corresponding housings. A curved trough is facilitated between the inner and outer edges of one of the 2 housings; the curve trough containing a shaft. One end of the shaft touches the inner side of the curved trough whereas the other end touches the inner side of the other housing. The two lateral sides of a secure mount fit over the two lateral sides of the wheel; a wheel axle is inserted through the mount and the housings to form the wheel. A joining device is facilitated at the outer end of the axle which functions to connect the device to other objects such as vehicles, chairs, toddler chairs, etc. A convex shape locking device that fits perfectly in the inner sides of the 2 housings is facilitated in the inner side of the mount so that when the wheel is spinning rapidly, the shaft between the 2 housings swings outward and locks onto the convex device due to centrifugal force which serves to restrict the motion of the wheel and achieves a brake function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.