Windshield clearing system

Claim 1

A WINDSHIELD CLEARING SYSTEM COMPRISING: (A) A WIPER UNIT HAVING A WIPER BLADE AND AN ELECTRIC MOTOR FOR OPERATING SAID WIPER BLADE, (B) A WASHER UNIT INCLUDING A LIQUID RESERVOIR AND A NOZZLE, (C) A FLUID ACTUATED PUMP UNIT FOR SUPPLYING LIQUID UNDER PRESSURE TO SAID NOZZLE, SAID PUMP UNIT INCLUDING (D) FIRST FRAME MEANS AND (E) SECOND FRAME MEANS, (F) GUIDE MEANS SECURED TO ONE OF SAID FRAME MEANS AND SLIDABLY POSITIONED IN THE OTHER FRAME MEANS TO PERMIT RELATIVE LATERAL MOVEMENT OF SAID FRAME MEANS, (G) FIRST AND SECOND RESILIENT BELLOWS MEANS CONNECTED TO AND EXTENDED LATERALLY BETWEEN SAID FRAME MEANS, SAID FIRST BELLOWS MEANS FLUID CONNECTED TO A SOURCE OF SUBATMOSPHERIC PRESSURE AND OPERABLE, UPON THE APPLICATION AND RELEASE OF SAID PRESSURE TO AND FROM SAID FIRST BELLOWS MEANS, TO PROVIDE LATERAL MOVEMENT BETWEEN SAID FIRST AND SECOND FRAME MEANS, SAID SECOND BELLOWS MEANS FLUID CONNECTED TO SAID RESERVOIR AND SAID NOZZLE FOR WITHDRAWING, UPON EXPANSION, LIQUID THEREFROM AND FOR EXPELLING, UPON CONTRACTION, SAID LIQUID THROUGH SAID NOZZLE, AND (H) SWITCH MEANS FOR CONNECTING SAID ELECTRIC MOTOR TO AN ELECTRIC SOURCE, SAID SWITCH MEANS HAVING AN ACTUATING MEMBER CONNECTED TO THE MOVABLE FRAME MEANS FOR CONTROLLING THE OPERATION OF SAID MOTOR RELATIVE TO THE OPERATION OF SAID PUMP UNIT.