Quick release hand brake
US7878309B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2006 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Dec 1, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2048
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A brake mechanism comprises a housing, a first handle, a first shaft mounted in the housing having at least one gear rotationally fixed thereon, a second gear rotatably mounted in the housing in operative engagement with the first shaft, a locking mechanism, and a clutch operatively disposed between the first handle and the second gear. The locking mechanism comprises a second shaft mounted in the housing, a second handle rotationally fixed to the second shaft, a first pawl rotatably received on the second shaft and in operative engagement with the first shaft at least one gear, and a second pawl having a first portion in operative engagement with the first pawl and a second portion. The clutch is in engagement with the second pawl second portion and is moveable between a first position in which the first shaft is rotationally coupled to the second gear and a second position in which the second gear rotates with respect to the first shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.