Zip line pod arrangement
US7610706B2 · kind B2 · utility
15Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2006 |
| Grant date | Nov 3, 2009 |
| Priority date | — |
| Expiry date | Nov 21, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2007/186
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A stepwise-adjustable sign hanging device for supporting a sign from an overhead ceiling rail. The sign hanging device comprises a front housing and a rear housing enclosing a rotatably controllable spool arranged to stepwisedly dispense and retract a sign supporting line therefrom. A finger actuatable biased switch is arranged for release and locking of the spool with respect to the housing. A pair of ceiling rail engaging clips are arranged on an upper side of the housing to twistably engage an overhead ceiling rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.