Resistor color decoder

Claim 1

A COLOR DECODING DEVICE FOR DETERMINING THE RESISTANCE OF RESISTORS WHICH ARE CODED BY A NUMBER OF COLORED BANDS OR THE LIKE THEREON, COMPRISING AN ELONGATED CYLINDRICAL BODY, A PLURALITY OF TURNABLE SLEEVES TURNABLY MOUNTED ON SAID BODY IN END-TO-END RELATION, SAID BODY HAVING A PLURALITY OF PAIRS OF CIRCUMFERENTIAL RINGS FIXED THEREON, THERE BEING A PAIR OF RINGS BENEATH EACH SLEEVE, ONE RING OF EACH PAIR COMPRISING A CIRCUMFERENTIAL SERIES OF DIFFERENT COLOR DENOMINATIONS CORRESPONDING TO BAND COLORS OF CODED RESISTORS, THE OTHER RING OF EACH PAIR COMPRISING A CIRCUMFERENTIAL SERIES OF DIGITS IN AXIAL ALIGNMENT WITH SAID COLOR DENOMINATIONS, EACH SLEEVE BEING FORMED WITH A PAIR OF AXIALLY ALIGNED WINDOWS FOR RESPECTIVELY VIEWING A SINGLE COLOR DENOMINATION AND A SINGLE DIGIT, MEANS FOR SEPARATELY TURNING EACH SLEEVE SO THAT THE COLOR OF THE BANDS OF A CODED RESISTOR ARE DISPLAYED THROUGH THE ASSOCIATED WINDOWS OF SAID SLEEVES, AND SAID SIMULTANEOUSLY DISPLAYED DIGITS FORMING A NUMBER CORRESPONDING TO THE RESISTANCE OF THE RESISTOR IN QUESTION, AND EACH OF SAID SLEEVES HAVING AT ONE END THEREOF A PLURALITY OF NOTCHES, A PIN ON THE CYLINDRICAL BODY ADAPTED TO BE RECEIVED BY THE NOTCHES, SPRING BIASING MEANS REACTING BETWEEN THE CYLINDRICAL BODY AND EACH OF THE SLEEVES TO MAINTAIN THE NOTCHES NORMALLY IN ENGAGEMENT WITH THE PINS AND THE SLEEVE IN ITS ADJUSTED POSITION.