Patent ID: 6375372
Filing Date: 2002-04-23
Classification: H01H

Abstract:
A pushbutton comprising a cap supported on a base board by a linkage, the linkage comprising first and second links pivoted to each other forming a cross configuration whereby the cap is movable with respect to the base board between first and second positions, each link having upper and lower pivots respectively connected to the cap and the base board, the first link comprising at least a first side bar connected between the upper and lower pivots of the first link, the second link comprising at least a second side bar connected between the upper and lower pivots of the second link, a first arm extending from the first side bar and forming a nub, a second arm extending from the second side bar and having first and second surfaces forming an apex therebetween, the nub being in contact engagement with the first surface when the cap is at the first position and being slidable over the apex to reach and engage the second surface when the cap is moved from the first position to the second position whereby a pulse-like reaction is generated when the nub slides over the apex.