Ergonomic keyboard device

Abstract

An ergonomic keyboard assembly arranged for providing input to an existing keyboard device having a plurality of keys that are moveable relative to a frame. The ergonomic keyboard comprises means for attaching the ergonomic keyboard assembly to the existing keyboard device. The ergonomic keyboard assembly further comprises a plurality of keys mounted to the support surface, the keys being arranged in first and second key sections. The first key section carries thereon keys adapted for operation by fingers of one of the operator's right and left hands. The first key section is spatially separated from the second key section. The second key section carries thereon keys adapted for operation by fingers of the other of the operator's right and left hands. The ergonomic keyboard assembly also comprises a plurality of actuation mechanisms respectively linked with the plurality of keys mounted to the support surface. The actuation mechanisms have respective hammers each driven along a trajectory so as to strike one of the plurality of keys on the existing keyboard when an associated one of the plurality of keys mounted to the support surface is depressed.

I claim:  
     
         1 . A stenographic recording machine having an ergonomic keyboard assembly, said ergonomic keyboard assembly comprising a plurality of keys being arranged in first and second key sections, said first key section carrying thereon keys adapted for operation by fingers of one of right and left hands of an operator, said first key section being spatially separated from said second key section, said second key section carrying thereon keys adapted for operation by fingers of the other of said right and left hands of said operator.