Patent ID: 7868872
Filing Date: 2011-01-11
Classification: H01H

Abstract:
1. A keyboard, comprising: a plurality of contact points; a button housing located above an associated one of the contact points; a button body having side edges, a first section, a second section opposite the first section, and at least one wing plate, wherein the at least one wing plate includes a first end and a second end, and wherein the first end is coupled to one of the side edges of the button body at a junction, and forms an arc downward from the junction; a positioning plate coupled to the second end of the at least one wing plate and disposed on the button housing; and a contact rod coupled to the second section of the button body, wherein the contact rod is suspended above the associated one of the contact points by the at least one wing plate, and the second section of the button body is configured to contact the button housing to restrict deformation of the at least one wing plate toward the associated one of the contact points; wherein a distance between the contact rod and the associated one of the contact points is B, a distance between the second section of the button body and the button housing is C, a height of the at least one wing plate is A, a height of a sidewall of a button cover next to the button body is D, a height from a top end of the button body to the first end of the at least one wing plate is E, and E−B>D.