Bracking system with intermittent antiskid device

Claim 1

FOR A POWER BRAKE SYSTEM INCLUDING A POWER BRAKE MEANS, A MEANS TO MODULATE SAID POWER BRAKE MEANS TO ELIMINATE PREMATURE BRAKE LOCKING AND CONSEQUENT VEHICLE SKIDDING, SAID MODULATING MEANS COMPRISING: A CONTROL MECHANISM CONSISTING OF AN INERTIA MEANS, A DRIVE MEANS FOR DRIVING SAID INERTIA MEANS, SAID DRIVE MEANS INCLUDING A RATCHET MECHANISM ARRANGED TO CAUSE DISPLACEMENT OF SAID INERTIA MEANS UPON CESSATION OF SAID DRIVE MEANS BEFORE LOSS OF THE KINETIC ENERGY OF SAID INERTIA MEANS, A HOLDING RELAY, A NORMALLY OPEN SWITCH FORMING A CIRCUIT IN SERIES WITH THE COIL OF SAID HOLDING RELAY AND A POWER SOURCE, SAID SWITCH BEING OPERATIVELY CONNECTED TO SAID INERTIA MEANS SUCH THAT DISPLACEMENT THEREOF WILL CLOSE SAID SWITCH, A SPRING OPERATIVELY BIASED BETWEEN A MOVABLE RETAINER SLIDABLY CONTAINED IN SAID CONTROL MECHANISM AND SAID SWITCH MEANS TO OPPOSE DISPLACEMENT OF SAID INERTIA MEANS AND CONSEQUENT CLOSING OF SAID SWITCH MEANS, AND A REMOTE CONTROL MEANS INCLUDING A LEVER AND A MEANS CONNECTING IT TO A BELLCRANK HAVING A PAWL ADAPTED TO VARY THE AMOUNT OF OPPOSITION TO DISPLACEMENT OF SAID INERTIA MEANS AS SAID LEVER IS OPERATED TO CONTORL THE LOADING OF SAID SPRING; AND AN ELECTRICAL CONTROL SYSTEM CONNECTED TO SAID HOLDING RELAY; SAID ELECTRICAL CONTROL SYSTEM INCLUDING, A NORMALLY OPEN MANUALLY OPERABLE SWITCH MEANS CONNECTED TO SAID POWER BRAKE AND CONNECTED IN SERIES WITH SAID HOLDING RELAY AND SAID POWER SOURCE, A PULSATING SWITCH DEVICE AND SOLENOID VALVE MEANS IN SERIES CONNECTION WITH SAID HOLDING RELAY, SAID SOLENOID VALVE MEANS OPERATIVELY CONNECTED TO CONTROL POWER FLUID INTRODUCTION TO SAID POWER BRAKE MEANS AND SAID PULSATING SWITCH DEVICE OPERATES TO CLOSE THE SWITCH THEREIN WHEREBY SAID SOLENOID IS ACTIVATED AND DEACTIVATED IN AN INTERMITTENT MANNER; SAID SWITCH ACTIVATED BY SAID POWER BRAKE MEANS FUNCTIONING TO CONTINUE THIS INTERMITTENT OPERATION REGARDLESS OF SAID INERTIA MEANS UNTIL SAID POWER BRAKE MEANS IS DEACTIVATED.