Cabinet hardware for lowering and retracting a container

Claim 1

HARDWARE FOR PERMITTING A CONTAINER TO BE LOWERED FROM AND RETRACTED INTO A CABINET COMPRISING: A FIRST PAIR OF PLATES FOR SPACED ATTACHMENT TO INTERIOR WALLS OF A CABINET; A FIRST BAR FOR ROTATABLE CARRIAGE BY AND BETWEEN THE FIRST PAIR OF PLATES; A PAIR OF ARMS FIXEDLY MOUNTED AT LIKE ENDS THEREOF ON THE FIRST BAR; A FIRST HELICAL SPRING CARRIED BY THE FIRST BAR AND DISPOSED TO ENGAGE WITH ONE OF THE FIRST PAIR OF ARMS FOR URGING THE ARMS UPWARD THROUGH A VERTICAL ARC BY ACTING AGAINST A CABINET; A SECOND BAR FIXEDLY CARRIED BY AND BETWEEN THE OPPOSITE ENDS OF THE FIRST PAIR OF ARMS; TONGUE MEANS PIVOTALLY CARRIED BY THE SECOND BAR AND SUITABLE FOR ATTACHMENT NEAR THE TOP OF THE CONTAINER; A SECOND PAIR OF PLATES FOR SPACED ATTACHMENT TO THE INTERIOR WALLS OF THE CABINET;