Thin push button structure
US9111700B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2013 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Mar 19, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2237/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A thin push button structure includes a main board, a circuit board, an elastic element, a supporting plate, a key top and a frame. The circuit board is disposed on the main board and formed with a plurality of cavities. The supporting plate includes a seat, an extending portion and a contacting portion. The seat is formed with a window at the central region and connected to the contacting portion by the extending portion. The elastic element is disposed on the circuit board. The key top includes a main body and a plurality of posts that extend therefrom. The frame includes a through opening and a plurality of alignment grooves at the periphery of the opening. The frame sleeves the key top, and the posts are received by the alignment grooves. The key top caps the contacting portion and is movable within the alignment grooves and the cavities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.