Machine for use in teaching the manner in which a clock indicate

Details Machine for use in teaching the manner in which a clock indicate Machine for use in teaching the manner in which a clock indicate

1975-11-24

1977-04-05

Skogquist, Harland S.

G09B 1912

Patent

active

040153460

ABSTRACT:
A machine for use in teaching the manner in which a clock indicates time appearing more or less as a simulated clock can be constructed so as to utilize a support or housing holding a simulated clock face. Concentric shafts extending through the clock's face are used in conjunction with a mechanical structure for transmitting motion to couple simulated clock hands on the shafts with readout wheels. These wheels are rotatably mounted in the support behind windows through which limited portions of the wheels can be viewed. These windows are normally covered by covers capable of being moved so as to display the portions of the wheels behind them. The wheels are provided with numbers corresponding to positions of the clock hands capable of being viewed through these windows when the covers are lifted. Mechanical structures are employed for the purpose of advancing the clock hands and for the purpose of lifting the covers.

REFERENCES:
patent: 2539025 (1951-01-01), Lobb
patent: 3203115 (1965-08-01), Friday
Asahi Overseas Corp. Catalog, Tokyo, Japan NT-588, Time-Teacher Machine, Rec'd Mar. 1970, p. 9.

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