Automatic set and release hand brake pneumatic circuit design II/automatic application function
US6709068B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2002 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Jul 24, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61H13/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An apparatus comprising an operating mechanism having at least a portion thereof engageable with at least one gear of a gear assembly disposed in a housing member of a hand brake assembly for operating such gear assembly. A source of fluid pressure is connected to the operating mechanism for periodically supplying a pressure to such operating mechanism. A control device is connected to the source of pressure for initiating the supply of such pressure to the operating mechanism. A further control device is connected to the source of pressure for regulating the supply of such pressure to the operating mechanism thereby causing an automatic application of such brake by the hand brake assembly. An additional control device is connected to the source of pressure for stopping an automatic application of such brake in case of an emergency or a reversal of an unintended activation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.