Patent ID: 7073332
Filing Date: 2006-07-11
Classification: E05B,F03G,F16C,Y10T

Abstract:
1. Stop device, comprising: a fixed support structure, a pair of stop elements slidably mounted within the support structure and movable among a mutual close position and a mutual distant position, wherein they protrude from the opposite sides of the fixed structure for co-operating with a corresponding stop surface, first spring means tending to return the two stop elements to their mutual close position, cam means for pushing the two stop elements towards their mutual distant position, against the action of said first spring means, second spring means for pushing the two stop elements towards a position wherein they hold the two stop elements in their mutual distant position, and a shape memory actuator for returning said cam means, against the action of said second spring means, towards a position wherein the two stop elements can freely move in their mutual close position, under the action of said first spring means.