Safety device for ski-attachments

Claim 1

A SAFETY DEVICE FOR SKI-ATTACHMENTS ADAPTED TO AUTOMATICALLY DETACH ITSELF UPON A PREDETERMINED OVERLOAD, COMPRISING IN COMBINATION: A BASE PLATE ATTACHED TO THE SKI HAVING LONGITUDINAL GUIDES, A SLEEVE HAVING AN INTEGRAL GUIDE SHOE SLIDABLY MOUNTED IN SAID GUIDES, A TOGGLE LEVER ARRANGEMENT INCLUDING A FORWARD BUCKLE LEVER PIVOTALLY MOUNTED ON SAID SLEEVE AND A CABLE CLAMP MEMBER PIVOTALLY CONNECTED TO SAID BUCKLE LEVER, A THREADED BOLT EXTENDING INTO SAID SLEEVE HAVING ONE END ADJUSTABLY CONNECTED TO SAID BASE PLATE, AN ADJUSTABLE NUT ON THE OTHER END OF SAID BOLT FORMING A NON-ROTATABLE ABUTMENT MEMBER, A SPRING ON SAID BOLT ENCLOSED WITHIN SAID SLEEVE HAVING ONE END ABUTTING SAID SLEEVE AND THE OTHER END ENGAGING SAID NUT, THE LOADING OF SAID SPRING BEING DETERMINED BY THE ADJUSTMENT OF SAID NUT ALONG SAID BOLT, SAID SLEEVE BEING PROVIDED WITH A LONGITUDINAL APERTURE ON THE EDGE OF WHICH IS A SCALE WITH WHICH SAID NUT IS ADAPTED TO REGISTER TO INDICATE THE POSITION OF THE LATTER RELATIVE TO THE SLEEVE, A RAMP CONNECTED WITH SAID BOLT FOR LONGITUDINAL MOVEMENT RELATIVE TO SAID SLEEVE, AN ACTUATING COLLAR ON SAID BOLT ADAPTED TO BE ROTATED THEREWITH TO ADJUST THE LOADING OF SAID SPRING AND THE ADJUSTMENT OF SAID RAMP, AND A CLAMP ENGAGING RELEASE MEMBER CONNECT WITH SAID CLAMP MEMBER IN OPERATIVE JUXTAPOSITION WITH SAID RAMP, SAID RELEASE MEMBER BEING ADAPTED TO RELEASE SAID CLAMP MEMBER WHEN THE PULL EXERTED THEREON EXCEEDS A PREDETERMINED LOADING OF SAID SPRING AND MOVING UPWARDLY ALONG SAID RAMP AFTER A PREDETERMINED RELEASE PATH AND OPENING SAID TOGGLE LEVER ARRANGEMENT