Patent ID: 8209886
Filing Date: 2012-07-03
Classification: A43B,A43C

Abstract:
1. An element, comprising: a bimodal spring member movable between a first stable position and a second stable position, wherein the bimodal spring member includes a ring member having an inner circumference and an outer circumference, wherein the inner circumference defines an opening through the bimodal spring member, and wherein at the first stable position, the inner circumference is oriented higher than the outer circumference with respect to a horizontal base line and at the second stable position, the outer circumference is oriented higher than the inner circumference with respect to the horizontal base line; an arm extending from the bimodal spring member, wherein the arm moves in response to the bimodal spring member changing between the first stable position and the second stable position; and an arm/bimodal spring interface that induces changes in position of the arm in response to the bimodal spring member changing between the first stable position and the second stable position.