Plunger mechanism for switch applications
US9105419B2 · kind B2 · utility
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27References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 2011 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Nov 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20636
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A plunger mechanism (100) is formed of a plunger (102) having a cylindrical body with a half-spherical tip (104). The plunger mechanism (100) is overmolded (108) such that half-spherical tip (104) is exposed. The plunger mechanism provides a drop-in component for a housing (404) having a rotary control (402) with one or more detents (408). The exposed half-spherical tip (104) makes contact with the detents (408) as a rotary control knob (406) is rotated thereby providing improved torque and tactility without the use of springs and without captivation issues.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.