Patent ID: 7233317

Claim:
A Computer Program Operation Interface arranged to provide optimum use of the operator's hand while allowing the hand to function in a relaxed natural position comprising: (a) a molded plastic base portion with a horizontal oval-shaped deck designed to interface with a horizontal work surface, (b) said base having a vertical tab rising perpendicularly from one end of the horizontal oval-shaped deck and a vertical shortwall rising around its perimeter slightly inset from the outside edge of the horizontal deck, (c) said base having a vertical pillar rising perpendicularly from the approximate center of the horizontal deck with a threaded hole in the top of the vertical pillar, and (d) a molded plastic covering shell generally egg-shaped configured to fit over the base portion with a U-shaped slot in one end to fit over the vertical tab and a hole in its top aligned over the threaded hole in the vertical pillar, (e) said covering shell having four (4) finger pads molded into one side or the other completely separated vertically but hinged at the top, (f) Said covering shell being attached to said base portion by means of an assembling screw installed through the hole in the top of the covering shell and threaded into the hole on the top of the vertical base pillar.