Patent ID: 8720085

Claim:
A device comprising: a first body portion; a second body portion, wherein the first body portion and the second body portion, at least in part, define a base orientation of the device and wherein an open space is defined between the first body portion and the second body portion; and a plurality of spaced apart spring members at least partially included in the open space, a first end and a second end of each of the spring members being pivotally engaged with both the first body portion and the second body portion; a first shaft pivotally connecting the first ends of the spring members to first ends of the first body portion and to first ends of the second body portion; a second shaft pivotally connecting the second ends of the spring members to second ends of the first body portion and to second ends of the second body portion; a first base portion contacting the first body portion; and a second base portion contacting the second body portion; wherein the first body portion includes a plurality of mounting members engageable with the first base portion and the second body portion includes a plurality of mounting members engageable with the second base portion; and wherein a force applied to at least one of the first body portion or the second body portion 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.