Patent ID: 6031189
Filing Date: 2000-02-29
Classification: H01H

Abstract:
A keyboard device comprising:a key top;a first lever section having a first end and a second end, said first end comprising a pair of spaced apart arm portions slidably held by an engagement section of a support member and said second end being rotatably held by a holding section of said key top; anda second lever section having a first end and a second end, said first end being rotatably held by a holding section of said support member and said second end being slidably supported by an engagement section of said key top, wherein said first and second lever sections are combined with each other in a crossing manner through a shaft member, wherein at the first end of said first lever section there is provided a connecting bar that connects the pair of arm portions together, and wherein said connecting bar is slidably engaged with a slide groove of said engagement section, said slide groove being formed by the lower side of an engagement surface extending in the direction in which the first end of said first lever slides and expanding in the direction in which said connecting bar extends.