Turn button
US5379537A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1993 |
| Grant date | Jan 10, 1995 |
| Priority date | — |
| Expiry date | Apr 29, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F1/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A turn button for a picture frame includes an elongated body portion having first and second raised bosses on a first side surface thereof adjacent opposite ends of the body portion. The first boss has a central aperture therethrough for rotatably mounting the turn button on a picture frame, and it has a flat end face for rotatably engaging the picture frame. The second boss has a smooth rounded configuration for engaging the back surface of the picture frame without causing damage thereto. The turn button also has a third raised boss on the opposite second side surface thereof for more easily manipulating the turn button on a picture frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.