Handbrake load indicator
US8033236B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2006 |
| Grant date | Oct 11, 2011 |
| Priority date | — |
| Expiry date | Jun 27, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62L1/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A load indicator for use with a railway car hand brake that is connected to a railway car brake rigging comprising a housing, a plurality of levers pivotally mounted in the housing, each of the plurality of levers having a first end and an opposite second end, a plate coupled to each of the plurality of lever second ends, wherein the plate is moveable with respect to the housing, and a plurality of springs each operatively coupled between a respective one of the plurality of lever first ends and the housing. At least one of the plurality of lever first ends is moveable between a first position in which tension exerted on the plate from the railway car hand brake is within a predetermined range, and a second position in which tension exerted on the load indicator from the railway car brake rigging is outside the predetermined range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.