Adjustable mounting and bias for an instrument shaft

Claim 1

AN ADJUSTABLE MOUNTING ARRANGEMENT, COMPRISING THE COMBINATION OF A SHAFT, A FRAME STRUCTURE, MEANS TO SUPPORT THE SHAFT ROTATABLY RELATIVE TO THE FRAME STRUCTURE, SAID FRAME STRUCTURE INCLUDING A NOSED PORTION ADJACENT THE SHAFT HAVING THEREIN AN ANNULAR GROOVE, A REGULATOR COMPOSED OF A STRIP OF SPRING STOCK MATERIAL, SAID REGULATOR HAVING AN OPENING THEREIN DEFINED IN PART BY RADIAL SPRING FINGERS OF SIZE COMPARABLE TO THE DIMENSIONS OF THE GROOVE AND BEING ADAPTED TO BE FORCED OVER THE NOSED PORTION OF THE FRAME STRUCTURE UNTIL THE SPRING FINGERS SNAP IN PLACE WITHIN THE GROOVE, WHEREAT SAID REGULATOR SPACED FROM THE OPENING IS ADAPTED TO ENGAGE ANOTHER PORTION OF THE FRAME STRUCTURE FRICTIONALLY TO RESIST YIELDABLY ROTATION OF THE REGULATOR ABOUT THE SHAFT, A SPRING, MEANS TO SECURE THE OPPOSITE ENDS OF THE SPRING TO THE END OF THE SPRING REGULATOR AND TO THE SHAFT, AND MEANS TO ADJUST THE ROTATABLE POSITION OF THE SPRING REGULATOR TO VARY THE TORSIONAL FORCE FROM THE SPRING APPLIED TO THE SHAFT.