Dustproof and waterproof switch
US6794592B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2003 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Oct 10, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2009/048
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dustproof and waterproof switch includes a casing, a contact pole device, an axial joint member, a catch member and a covering member. The characteristic is in that the axial joint member is placed in the casing and lap joined to support members the axial joint member having a fitting hole at the center thereof and having an axial plate at the front and the rear sides thereof respectively; the catch member is formed a frame and placed in a mold to allow the concave downward plane at the top thereof joined to the upper arc recess of the covering member, which is made by way of injection molding, and the catch member is attached between the two axial plates with the bottom thereof having a central hollow post fitting with an extendable stir rod and the stir rod piercing the rod plate and the lower end of the stir rod contacting with the arc contact pole; and the covering member at the bottom edge thereof extends an inner connecting rim for fitting with the casing and covering the upper part of the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.