Variable height trolley and height displaying assembly thereof
US9133976B2 · kind B2 · utility
29Cited by
13References
13Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 14, 2014 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Feb 3, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/061
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A variable height trolley and a height displaying assembly thereof, and the height displaying assembly includes a height indicator unit, a spool and an connecting unit. The height displaying assembly obtains a height of platform from a serial mechanical action between the connecting unit and the platform. The height displaying assembly uses mechanical approach to instantly show the height of the platform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.