Non-swiveling pneumatic lectern
US6883439B1 · kind B1 · utility
26Cited by
17References
35Claims
0Family size
Inventor
Key dates
| Filing date | May 22, 2003 |
| Grant date | Apr 26, 2005 |
| Priority date | — |
| Expiry date | Aug 4, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47B19/06
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The disclosure describes a non-swiveling pneumatic lectern with a base, a hollow column secured to the plate, a sleeve secured to the interior of the column, an adjustable tube having an upper end and a bottom end wherein the first end slides inside the sleeve secured to the column, a pneumatic cylinder disposed within the column for vertically moving the support, an actuation device for engaging and disengaging the pneumatic cylinder, a locking knob for locking the tube at a designated height by pressing the sleeve against the tube, and a top lectern section with a pivotable shelf.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.