Booster supply service vehicles with polarity protection

• US 3,343,057 A
• Filed: 02/15/1965
• Issued: 09/19/1967
• Est. Priority Date: 02/15/1965
• Status: Expired due to Term

• Current Assignee: Leonard S. Smith
• Original Assignee: Leonard S. Smith
• Inventors: Smith, Leonard S.
• Application Number:
  US04/432,558
• Time in Patent Office: 946 Days
• US Class Current: 320/117
• CPC Class Codes: H02J 7/0034 using reverse polarity correcting or protecting circuits mechanical means of polarity protection H02J7/0045
• CPC Class Codes: Y10S 320/15 Polarity control
• CPC Class Codes: Y10S 320/20 Polarity

Claims

1. IN A SERVICE FOR BOOSTING A RUN-DOWN BATTERY HAVING A PAIR OF TERMINALS, EACH OF SAID TERMINALS HAVING A GIVEN POLARITY, THE COMBINATION OF:

A VEHICLE INCLUDING A PAIR OF BATTERIES AND MEANS FOR MAINTAINING SAID PAIR OF BATTERIES IN A CHARGED CONDITION;

MEANS MOUNTED ON SAID VEHICLE FOR PRODUCING AN AUDIBLE SIGNAL;

CONTROL CIRCUIT MEANS FOR CONNECTING SAID PAIR OF BATTERIES TO FORM A BOOSTER CURRENT SUPPLY CIRCUIT;

CABLE MEANS FOR CONNECTING SAID BOOSTER CURRENT SUPPLY CIRCUIT TO SELECTED POLARITY TERMINALS OF SAID RUNDOWN BATTERY;

AND POLARITY PROTECTION MEANS RESPONSIVE TO CONNECTION OF SAID CABLE MEANS TO TERMINALS OPPOSITE TO SAID SELECTED POLARITY TERMINALS FOR OPENING SAID CONTROL CIRCUIT TO OPEN SAID CONNECTION OF SAID PAIR OF BATTERIES, SAID POLARITY PROTECTION MEANS BEING EFFECTIVE TO ENERGIZE SAID AUDIBLE SIGNAL PRODUCING MEANS TO INDICATE SAID OPPOSITE POLARITY CONDITION.