G - Physics – 09 – B
Patent
G - Physics
09
B
35/37
G09B 19/02 (2006.01) A63F 9/00 (2006.01)
Patent
CA 1098306
ABSTRACT A teaching apparatus for use in teaching numerical concepts can be constructed so as to utilize first and second display members which are movably mounted within a housing so that each of the members is capable of being moved from a first position to a series of successive positions. The housing is constructed so that as the display members are so moved portions of them can be viewed from the exterior of the housing. An advancing structure is provided within the housing for concurrently moving the display member from their first positions to the successive positions. First and second return structures are provided for causing the return of the display members to their first locations after they have been moved to any of the successive positions. A part may be mounted on the housing and connected to the advancing structure so that each time the advancing structure is actuated the part is moved from and then back into an initial position.
288797
Borden Ladner Gervais Llp
Tomy Kogyo Co. Inc.
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