Dual stylus phonograph pickup

Claim 1

IN A DUAL STYLUS PHONOGRAPH PICKUP COMPRISING IN COMBINATION, A PICKUP CASING, DRIVING MEANS FOR A TRANSDUCING SYSTEM EXTENDING FROM SAID CASING, A CARRIAGE MEMBER HAVING A U-SHAPED BEARING PORTION AT ONE END THEREOF AND A LOCATING TAB EXTENDING UPWARDLY THEREFROM AT THE OTHER END THEREOF, A BOSS ON SAID PICKUP CASING TO SERVE AS A PIVOT FOR SAID BEARING PORTION, AND A SLOT IN SAID PICKUP CASING COMMUNICATING WITH A SUBSTANTIALLY CLOSED CHAMBER IN SAID CASING, THE LOCATING TAB OF SAID CARRIAGE MEMBER ADAPTED TO EXTEND THROUGH SAID SLOT INTO SAID CHAMBER, SPRING MEANS FOR HOLDING SAID CARRIAGE MEMBER IN POSITION AGAINST SAID PICKUP CASING, A STYLUS SUPPORTING CLIP INCLUDING A PAIR OF GENERALLY PARALLEL BUT SPACED STYLUS ARMS, MEANS FOR DETACHABLY MOUNTING SAID STYLUS SUPPORTING CLIP ON SAID CARRIAGE MEMBER SO THAT ONE OF SAID STYLUS ARMS ENGAGES SAID DRIVING MEMBER, A ROLLER CAM IN SAID CHAMBER AND HELD AT ONE SIDE OF THE CHAMBER BY SAID LOCATING TAB, SAID LOCATING TAB ADAPTED TO RIDE UP THE SIDE OF SAID ROLLER CAM UPON THE INITIAL PIVOTING OF SAID CARRIAGE MEMBER THEREBY CAUSING SAID OTHER END OF SAID CARRIAGE TO BE MOVED AWAY FROM SAID PICKUP CASING AND CAUSING SAID ONE OF SAID STYLUS ARMS TO MOVE AWAY FROM SAID DRIVING MEMBER, THE OTHER OF SAID STYLUS ARMS ADAPTED TO BE MOVED INTO ALIGNMENT WITH SAID DRIVING MEANS BY FURTHER PIVOTAL MOVEMENT OF SAID CARRIAGE MEMBER AND MOVED INTO ENGAGEMENT WITH SAID DRIVING MEMBER WHEN SAID ROLLER CAM SNAPS TO THE OPPOSITE SIDE OF SAID CHAMBER AND SAID LOCATING TAB MOVES BACK INTO SAID CHAMBER, SAID CARRIAGE MEMBER BEING READILY REMOVABLE FROM THE REMAINDER OF SAID PHONOGRAPH PICKUP BY MOVING SAID CARRIAGE MEMBER AGAINST THE FORCE OF SAID SPRING MEANS UNTIL SAID LOCATING TAB IS OUT OF THE SLOT IN SAID PICKUP CASING, AND THEN REMOVING SAID CARRIAGE MEMBER.