Timepiece of the numeral indicating type

Claim 1

A TIMEPIECE OF THE NUMERAL INDICATING TYPE COMPRISING, IN COMBINATION, A CASING FORMED WITH WINDOWS; A SHAFT DISPOSED IN SAID CASING; FIRTST, SECOND AND THIRD DIAL DISKS MOUNTED IN AXIALLY ADJACENT RELATION ON SAID SHAFT AND FREELY ROTATABLE THEREON, EACH DISK BEING EXPOSED THROUGH A RESPECTIVE WINDOW; SAID FIRST DIAL DISK BEING PROVIDED ON ITS PERIPHERAL SURFACE WITH NUMERALS 0 TO 9, INCLUSIVE, ADAPTED TO INDICATE MINUTES; SAID SECOND DIAL DISK BEING PROVIDED ON ITS PERIPHERAL SURFACE WITH A REPETITION OF A GROUP OF NUMERALS CONSITING OF 0 TO 5 INCLUSIVE, ADAPTED TO INDICATE INTEGER MULTIPLES OF 10 MINUTES; SAID THIRD DIAL DISK BEING PROVIDED ON ITS PERIPHERAL SURFACE WITH NUMERALS 0 TO 11, INCLUSIVE, ADAPTED TO INDICATE HOURS, WITH THE NUMERAL 0 INDICATING EITHER 12:00 NOON OR 12:00 MIDNIGHT; A FIRST RATCHET WHEEL SECURED CONCENTRICALLY TO SAID FIRST DIAL DISK; A FIRST ANNULAR ING SECURED CONCENTRICALLY TO THE SURFACE OF SAID FIRST DIAL DISK FACING SAID SECOND DIAL DISK, SAID FIRST ANNULAR RING HAVING A CUTOUT THEREIN; A SECOND RATCHET WHEEL SECURED CONCENTRICALLY TO SAID SECOND DIAL DISK AND DISPOSED WITHIN SAID FIRST ANNULAR RING; A CIRCULAR DISK SECURED CONCENTRICALLY TO THE SURFACE OF SAID SECOND DIAL DISK FACING SAID THIRD DIAL DISK, SAID CIRCULAR DISK HAVING DIAMETRICALLY OPPOSITE DEPRESSIONS IN ITS PERIPHERY; A THIRD RATCHET WHEEL SECURED TO SAID THIRD DIAL DISK; FIRST, SECOND AND THIRD PAWLS OPERATIVELY ASSOCIATED WITH SAID FIRST, SECOND AND THIRD RATCHETY WHEELS, RESPECTIVELY; SAID PAWLS BEING SWINGABLY MOUNTED ON A COMMON SHAFT; MEANS OPERABLE TO OSCILLATE SAID COMMON SHAFT ONCE EACH MINUTE; SAID FIRST ANNULAR RING OBSTRUCTING ENGAGEMENT OF SAID SECOND PAWL WITH SAID SECOND RATCHET WHEEL EXCEPT WHEN SAID FIRST DIAL DISK EXPOSES THE NUMERAL 9 THROUGH ITS ASSOCIATED WINDOW; THEREBY SAID SECOND DIAL DISK IS ADVANCED ONLY AT THE END OF EACH 10 MINUTES; AND MEANS, INCLUDING SAID CIRCULAR DISK AND THE DIAMETRICALLY OPPOSITE DEPRESSIONS ON THE PERIPHERY THEREOF, OBSTRUCTING ENGAGEMENT OF SAID THIRD PAWL WITH SAID THIRD RATCHET WHEEL EXCEPT WHEN SAID SECOND DIAL DISK IS EXPOSING A NUMERAL 5 THROUGH ITS ASSOCIATED WINDOW AND SAID FIRST DIAL DISK IS EXPOSING ITS NUMERAL 9 THROUGH ITS ASSOCIATED WINDOW; WHEREBY SAID THIRD DIAL DISK IS ADVANCED ONLY ONCE EACH HOUR.