Key module
US11101085B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Mar 22, 2018 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Mar 22, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2227/036
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
What is presented is a key module (100) with a cover element (110) and a tappet (105) having a cam nose (135), wherein the tappet (105) is supported to be movable along a movement axis (200) by the cover element (110), wherein the tappet (105) has a cylindrical keycap supporting portion (160) in a passage area (210) in which it projects through the cover element (110) and has at least one rib (170) on a guiding portion (165) adjacent to the an keycap supporting portion (160) on an outside (167). Furthermore, the key module (100) includes a contactor unit (115) formed and arranged to be taken along by the cam nose (135), and a contact piece (120) formed and arranged for establishing electric contact with the contact nose (140). Moreover, the key module (100) has a housing element (130) for accommodating the contact piece (120), the contactor unit (115) and the tappet (105), wherein the housing element (130) has, for accommodating the guiding portion (165) of the tappet (105), at least one accommodating bowl (175) with at least one recess (1100) for accommodating the at least one rib (170) of the tappet (105).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.