Double-pedal double-wheel truckle with independent braking and releasing functions
US8302257B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 8, 2010 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Apr 10, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B33/025
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A double-pedal double-wheel truckle with independent braking and releasing functions is a truckle for a precision instrument and comprises a body, a rotating & locking device, a truckle body device, a braking device and a bottom cover body. The body is provided for disposing a rotating & locking device, a truckle body device, a braking device and a bottom cover body. With the independent braking and releasing functions of the braking device of the body, the user can easily operate and stably block the rotating & locking device and the truckle body device. The bottom cover body is provided for preventing foreign matters from entering the truckle body device, so that the truckle can be locked from rotation. By such arrangements, it can achieve the objectives, such as easy operation, easy to distinguish braking state, stable braking, reducing noises, strengthening structure and safe usage, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.