Caster brake system
US6834746B1 · kind B1 · utility
25Cited by
19References
12Claims
0Family size
Inventor
Key dates
| Filing date | Nov 4, 2003 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | Nov 4, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B33/025
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A caster brake system includes an operation bar connected to an upper cam that drives a lower cam downward to push a pushing member which pivoted a braking member to stop the wheel. The lower cam is connected to a disk that has teeth and is lowered with the lower cam. A frame to which a wheel is connected includes a hole having notches that are engaged with the teeth of the disk so that the lower cam is combined with the frame as one piece. Both of the upper cam and the lower cam are received in a tubular member on a connection plate that is connected to a body of a stroller or a cart.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.