Patent ID: 9675824
Date: 2017-06-13
CPC Classifications: A62B

Claim:
1. A fall rescue apparatus comprising: a support frame for mounting on an elevated structure adjacent an edge of the elevated structure, a rectilinear guide member mounted to the support frame and sloped downwardly from the support frame toward the elevated structure adjacent the edge of the elevated structure, an extendable support arm movably mounted to the rectilinear guide member and movable parallel to the rectilinear guide member toward the elevated structure, a spike mounted to the extendable support arm shaped to penetrate the elevated surface in response to the parallel movement of the extendable support arm, a tether connected to the spike for pulling the spike and the extendable support arm toward the elevated surface, an elbow linkage connected to the spike and the support frame, the elbow linkage including an upper elbow arm with an upper end pivotally mounted to said support frame and an upper arm elbow end, a lower arm including an elbow end pivotally mounted to the elbow end of the upper arm and a distal end pivotally mounted to the spike, a locking arm including a distal end mounted to the elbow ends of both the upper arm and lower arm and movable in unison with the elbow ends of both the upper arm and lower arm, and an upper end portion extending away from the elbow end, and a lock member engageable with the upper end portion of the locking arm for maintaining the spike withdrawn from penetrating the elevated structure.