Gearing mechanism and printed circuitboard for a rotary switch

Claim 1

APPARATUS FOR MOUNTING A ROTARY ELEMENT, HAVING A PLANE AND AN AXIS OF ROTATION PERPENDICULAR TO SAID PLANE, ON A PRINTED CIRCUITBOARD HAVING A PLANE AND FIRST AND SECOND PLANAR FACES COMPRISING, IN COMBINATION: MEANS FOR ELECTRICALLY AND MECHANICALLY MOUNTING SAID ELEMENT ADJACENT SAID FIRST FACE OF SAID CIRCUITBOARD SUCH THAT THE PLANES OF EACH ARE SUBSTANTIALLY PARALLEL, THEREBY TO PERMIT SAID SECOND FACE TO BE DIP SOLDERED, A DRIVE GEAR POSITIONED ADJACENT SAID SECOND FACE AND HAVING A SHAFT ROTATABLY EXTENDING THROUGH SAID CIRCUITBOARD TO ROTATABLY AND DRIVEABLY ENGAGE SAID ROTARY ELEMENT, THE AXIS OF SAID SHAFT COINCIDING WITH THE AXIS OF SAID ROTARY ELEMENT, A GEAR WHEEL HAVING A GEAR FORMED IN ONE FACE THEREOF ADAPTED TO ENGAGE SAID DRIVE GEAR, SAID GEAR WHEEL BEING POSITIONED OVER SAID DRIVE GEAR WHEREBY THE FACE OF SAID GEAR WHEEL RETAINS SAID DRIVE GEAR BETWEEN SAID CIRCUITBOARD AND SAID GEAR WHEEL, A RETAINING BRACKET HAVING A PIN ADAPTED TO ROTATABLY MOUNT SAID GEAR WHEEL AND ADDITIONAL PINS ADAPTED TO ENGAGE SAID BOARD, AND MEANS TO CLAMP SAID BRACKET AND BOARD TOGETHER.