Retractable adjustable shelf apparatus
US5499584A · kind A · utility
Inventor
Key dates
| Filing date | Dec 7, 1994 |
| Grant date | Mar 19, 1996 |
| Priority date | — |
| Expiry date | Dec 7, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47B46/005
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A retractable adjustable shelf apparatus for holding items thereupon comprising a hollow first shelf formed of a top and a bottom wall and a periphery interconnecting the walls; a pair of brace mechanisms with each brace mechanism including a strut having a first end and a second end with the first end pivotally couplable to a separate external second shelf; and a pair of level adjustment mechanisms disposed within the first shelf, each level adjustment mechanism further comprising an elongated longitudinally slidable geared upper track slidably coupled to the top wall, an elongated geared lower track coupled to the bottom wall, a gear disposed between and in mesh with the tracks and with the gear coupled to the second end of the strut, and a spring-loaded bolt extended from one end of the upper track and through the front wall to terminate at a turnable knob for allowing the first track to be slid to a desired position for permitting the levelness of the first shelf to be adjusted when pivoted with respect to the external second shelf.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.