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    • 2. 发明专利
    • Savings-bank and other coin-freed calendars
    • GB330261A
    • 1930-06-04
    • GB690429
    • 1929-03-04
    • MALCOLM SCOTT CAMPBELL WILSON
    • G07F17/16
    • 330,261. Wilson, M. S. Campbell-. March 4, 1929. Date indicators.-A money box is combined with a calendar mechanism, the manual operation of which is controlled by the insertion of a coin or coins, the mechanism being freed by the inserted coin releasing a spring pawl from engagement with a pocketed flange on a drum or spindle carrying the date indications. As shown in Figs. 1 and 2, a casing 1 has a window or aperture 2 through which is displayed one of the date figures 2 arranged on a band 7 that is attached to drums on rotatable spindles 3, 4 mounted in the casing. A flange 11 on the spindle 4 contains a pocket or recess 12 for the reception of a coin inserted through a coin slot 9 in the casing. The flange is provided with a notch 13 which is normally engaged by a spring pressed pawl 14 to lock the spindle 4 against rotation in the direction of the arrow, Fig. 2. A second spring catch 16 is provided to hold the spindle if an attempt is made to turn it when the coin pocket is empty. If a coin has been inserted and the spindle operated, the coin itself engages the spring catch to move it to inoperative position. The flange may contain two or more pockets arranged around it or side by side, in which case a corresponding number of coins will have to be inserted to render the mechanism operative. Instead of a band 7 the date figures may be arranged on tablets pivoted at one edge to the spindle 4 and displayed one at a time.