Variable ratio mechanical brake actuating linkage

Claim 1

LEVER MECHANISM FOR VARYING THE RATE OF OUTPUT OF THE MECHANISM RELATIVE TO THE INPUT, SAID MECHANISM COMPRISING: INPUT MEANS ADAPTED TO BE PIVOTED AT LEAST AT ONE PIVOT; OUTPUT MEANS PIVOTALLY ENGAGING SAID INPUT MEANS; LEVER MEANS PIVOTALLY ATTACHED TO A RELATIVELY FIXED MEMBER; LINKING MEANS PIVOTALLY ENGAGING SAID INPUT MEANS AND SAID LEVER MEANS AND INCLUDING MEANS FOR MAINTAINING SAID LEVER MEANS FIXED WITH RESPECT TO SAID INPUT MEANS DURING ONE CONDITION OF OPERATION AND THEREAFTER CHANGING THE EFFECTIVE PIVOT POINT OF THE INPUT MEANS IN A MANNER CREATING A GREATER MECHANICAL ADVANTAGE FOR SUBSEQUENT OPERATION, SAID LINKING MEANS INCLU DING BIASING MEANS FOR RESILIENTLY HOLDING SAID LEVER MEANS AND SAID INPUT MEANS IN RESILIENT ENGAGEMENT DURING PIVOTAL MOVEMENT OF SAID INPUT MEANS BETWEEN TWO EXTREMITIES OF MOVEMENT.