Wheel preload device
US9869348B2 · kind B2 · utility
2Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2015 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Jan 21, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2019/0686
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Provided is a carriage assembly 16 including a carriage 50, a wheel bar 90 that is deflectable relative to the carriage 50, and a plurality of wheels 92, 94, 96 mounted to the bar 90 for rotation around a respective axis 98, 100, 102, the axis 100 of at least one of the wheels 94 being offset from the axis 98, 102 of at least one of the other wheels 92, 96 in a direction of the wheel bar deflection. The wheel bar 90 is deflected relative to the carriage 50 to allow the wheels 92, 94, 96 to engage respective rails 32, 34 in a track 30 to eliminate or reduce play between the wheels and the track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.