Rocker chair
US5040846A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1990 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Jan 12, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C3/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A theater chair of the rocking type having a standard on each side for supporting the chair. A contoured spring guide is attached to each standard and provides a support and deflection profile for leaf springs held in trolleys on each side of the chair. A wing plate extends upwardly from each trolley and terminates in a guide surface. A guide roller is mounted near the top of each standard and provides lateral and longitudinal support for the guide surface the wing plate on each side of the chair. A chair seat is mounted on each trolley and a chair back is mounted between each wing plate. The chair seat and chair back move in unison in a rocking manner as the leaf springs increase and decrease contact along the surface of each spring guide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.