Cart braking device
US7810613B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Nov 29, 2007 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Jun 15, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B5/0485
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A cart braking device includes a swivel unit, a shaft unit and a braking unit which has a central shaft, an orientation member, a braking member and a base. The central shaft is coupled with the orientation member and has an elastic piece for moving the central shaft upward. A bottom of the orientation member has an orientation gear and a top of the braking member has a fixation gear corresponding to the orientation gear. The braking member is disposed in the base and includes two braking pads. An elastic member is disposed between the base and the braking member, and can move the braking member away from the base. When the braking pads are pressed against the wheel, the cart braking device stops the rotation of the wheel. When the orientation gear is engaged with the fixation gear, the cart braking device prevents the wheel from changing direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.