Ski binding release checking device

Claim 1

A DEVICE FOR CHECKING THE RELEASE POINT IN A RELEASABLE SKI BINDING MOUNTED ON A SKI, SAID DEVICE COMPRISING IN COMBINATION A BASE PORTION OVER WHICH A PORTION OF THE SKI IS ADAPTED TO BE POSTIONED; MEANS ON SAID BASE PORTION ENGAGEABLE WITH ONE EDGE OF THE SKI TO PREVENT LATERAL DISPLACEMENT THEREOF; SUPPORT MEANS ON SAID BASE PORTION; AN ACTUATOR MEMBER MOVABLE HORIZONTALLY IN SAID SUPPORT MEANS; A PLUNGER SLIDABLY MOUNTED IN SAID ACTUATOR MEMBER; THE OUTER END OF SAID PLUNGER BEING ENGAGEABLE WITH THE SOLE OF A SKI BOOTH MOUNTED IN THE SKI BINDING, SAID PLUNGER-BOOTH ENGAGEMENT BEING AT A POINT ON THE OPPOSITE SIDE OF THE SKI FROM SAID BASE PORTION EDGE ENGAGING MEANS; A COMPRESSION SPRING POSITIONED IN SAID ACTUATOR MEMBER, SAID SPRING BEING ENGAGED AT ITS OPPOSITE ENDS BY AN END OF THE ACTUATOR MEMBER AND THE INNER END OF SAID PLUNGER; MEANS TO MOVE SAID ACTUATOR MEMBER TOWARDS THE SKI BOOT, SAID ACTUATOR MOVEMENT CAUSING SAID SPRING TO COMPRESS WHEN THE OUTER END OF SAID PLUNGER IS ENGAGED WITH THE BOOT, CONTINUED MOVEMENT OF THE ACTUATOR MEMBER AND COMPRESSION OF THE SPRING CAUSING THE BINDING TO ULTIMATELY RELEASE; AND MEANS ON SAID PLUNGER COACTABLE WITH SAID ACTUATOR MEMBER TO ENABLE THE POINT AT WHICH THE BINDING RELEASES TO BE DETERMINED, SAID LAST-NAMED MEANS INCLUDING FORCE INDICATING GRADUATIONS INSCRINED ON THE PLUNGER AND A