Keyboard switch mechanism
AssigneeAlps Electric Co., Ltd.
InventorHideki Ito
Life of this patent
Estimating the term…
Abstract
The present invention provides a keyboard switch which can reduce the number of assembly processes by decreasing the number of components and which can be easily assembled. First to third link members 5, 6 and 7 of a keyboard switch of the present invention include one end portions 5a, 6a and 7a and the other end portions 5g, 6g and 7g, which face each other. The first to third link members 5, 6 and 7 are installed so as not to cross each other, and have their one end portions 5a, 6a and 7a slidably supported by first to third slide supporting portions 3a, 3b and 4a formed on a key top, and their other end portions 5g, 6g and 7g rotatably supported by first to third rotating supporting portions 10a, 10b and 10c formed on a base plate 10.
Claims7
A keyboard switch comprising a key top, a base plate installed on the side facing the key top, an insulation film sheet mounted thereon, an elastic member for applying elasticity to the key top at a predetermined height from the base plate, a plurality of link members for supporting the key top to be freely lifted or lowered to/from the base plate, and a contact point portion opened or closed by the lifting or lowering operation of the key top,
- wherein each of the plurality of link members has one end portion and the other end portion facing each other, the plurality of link members being installed so as not to cross each other with their one end portions slidably supported by slide supporting portions formed on the key top and their other end portions rotatably supported by rotating supporting portions formed on the base plate.
Dependencies are inferred from the claim text.