Brake system

Claim 1

MEANS FOR SENSING AND VISUALLY INDICATING THE LEVEL OF HYDRAULIC FLUID IN AN OPEN TOP RESERVOIR COMPRISING A CLOSURE SUPPORT MEANS ADAPTED TO CLOSE THE TOP OF SAID RESERVOIR, SAID CLOSURE SUPPORT MEANS HAVING A FIRST OPENING THEREIN, A FLOAT MEMBER ADAPTED TO FLOAT IN FLUID IN SAID RESERVOIR, A FLOAT ARM CARRIED BY SAID FLOAT MEMBER AND EXTENDING VERTICALLY THROUGH SAID FIRST OPENING, SEAL MEANS RECEIVING SAID ARM FOR RECIPROCAL MOVEMENT THEREIN AND SEALING SAID FIRST OPENING ABOUT SAID FLOAT ARM, SAID SEAL MEANS COMPRISING A PAIR OF COOPERATING BEARING COUPLINGS THREADABLY ENGAGING ONE ANOTHER, SAID FLOAT ARM HAVING A LATERAL EXTENSION THEREON, A GUIDE FRAME FOR SAID FLOAT ARM, SAID LATERAL EXTENSION BEING VERTICALLY MOVABLE WITH RESPECT TO SAID GUIDE FRAME, SAID GUIDE FRAME CARRYING ELECTRICAL CONTACT MEANS THEREON ENGAGEABLE BY SAID LATERAL EXTENSION OF SAID FLOAT ARM, SAID CLOSURE SUPPORT MEANS HAVING A SECOND OPENING THEREIN PROVIDING A FLUID INLET, A REMOVABLE CLOSURE FOR SAID SECOND OPENING, SAID GUIDE FRAME COMPRISING A PAIR OF UPRIGHTS MOUNTED IN PARALLEL SPACED APART POSITION ON SAID CLOSURE SUPPORT MEANS AND A THIRD UPRIGHT MOUNTED ON SAID CLOSURE SUPPORT MEANS IN SPACED RELATION TO SAID PAIR OF UPRIGHTS, MEANS CONNECTING SAID PAIR OF UPRIGHTS AND SAID THIRD UPRIGHT AT THE UPPER ENDS THEREOF, SAID LATERAL EXTENSION OF SAID FLOAT ARM PASSING BETWEEN SAID PAIR OF UPRIGHTS, SAID FLOAT ARM BEING RECIPROCAL BETWEEN SAID PAIR OF UPRIGHTS AND SAID THIRD UPRIGHTS, SAID ELECTRICAL CONTACT MEANS COMPRISING ELECTRICALLY CONDUCTIVE SHAFTS PASSING BETWEEN SAID PAIR OF UPRIGHTS AT VERTICALLY SPACED APART POSITIONS, SAID PAIR OF UPRIGHTS AND SAID THIRD UPRIGHT BEING FORMED OF ELECTRICALLY NON-CONDUCTIVE MATERIAL, AT LEAST THE PART OF SAID LATERAL EXTENSION ENGAGEABLE WITH SAID CONTACT MEANS BEING ELECTRICALLY CONDUCTIVE, CONNECTOR MEANS CARRIED ON SAID THIRD UPRIGHT, FLEXIBLE ELECTRICAL CABLE MEANS EXTENDING FROM SAID ELECTRICALLY CONDUCTIVE PART OF SAID LATERAL EXTENSION TO SAID CONNECTOR MEANS FOR COUPLING SAID CONNECTOR MEANS AND SAID ELECTRICALLY CONDUCTIVE PART OF SAID LATERAL EXTENSION IN AN ELECTRICAL CIRCUIT WITH SAID ELECTRICALLY CONDUCTIVE SHAFTS OF SAID CONTACT MEANS WHEREBY SAID SHAFTS AND SAID PART OF SAID LATERAL EXTENSION COMPRISE EFFECTIVE SWITCH CONTACTS, AND AT LEAST TWO ELECTRICALLY RESPONSIVE VISUAL INDICATING MEANS HAVING TWO ELECTRICAL TERMINALS, ONE TERMINAL OF EACH OF SAID VISUAL INDICATING MEANS BEING ELECTRICALLY CONNECTED TO A DIFFERENT ONE OF SAID ELECTRICALLY CONDUCTIVE SHAFTS AND THE OTHER TERMINAL OF EACH OF SAID VISUAL INDICATING MEANS BEING ELECTRICALLY CONNECTED TO SAID CONNECTOR MEANS, SAID VISUAL INDICATING MEANS COMPRISES A PAIR OF LAMPS OF DIFFERENT COLORS.