Patent ID: 8720084

Claim:
A device comprising: a spring device including: a plurality of first body portions; a plurality of second body portions, wherein the first body portions and the second body portions, at least in part, define a base orientation of the device and wherein an open space is defined between the first body portions and the second body portions; a plurality of spring members at least partially included in the open space, each spring member having a first end and a second end; a first shaft pivotally connecting the first ends of the spring members to first ends of the first body portions and to first ends of the second body portions; and a second shaft pivotally connecting the second ends of the spring members to second ends of the first body portions and to second ends of the second body portions; a first base; and a second base spaced from the first base, the spring device being positioned between the first base and the second base wherein the first base and the second base each include a plurality of slots formed therein, each slot in the first base receiving a portion of one of the first body portions, and each slot in the second base receiving a portion of one of the second body portions; and wherein a force applied to at least one of the first body portions or the second body portions so as to change the device out of the base orientation causes the spring members to exert a force that urges the device toward the base orientation.