Educational device

Details Educational device Educational device

1993-07-22

1994-04-05

Mancene, Gene

Amusement devices: games

Puzzles

Take-aparts and put-togethers

434203, A61F 908, G06C 100, G09B 1902

Patent

active

052998061

ABSTRACT:
An educational device having a chamber with a plurality of holes extending through the chamber. A plurality of ropes are selectively configured in the chamber and portions of the ropes are exposed outside the chamber. The ends of the exposed ropes are connected to knobs that allow a user to pull on a selected rope end thereby causing a movement of another rope end through another hole. The device encourages and permits a mental determination of the configuration of ropes within the chamber.

REFERENCES:
patent: 213642 (1879-03-01), Farnum
patent: 446535 (1891-02-01), Outerbridge
patent: 592089 (1897-10-01), Gillegan
patent: 1028381 (1912-06-01), Okamoto
patent: 4015852 (1977-04-01), Gibson
patent: 4221386 (1980-09-01), Wisniewski
patent: 4391445 (1983-07-01), Vizelyi
patent: 4418915 (1983-12-01), Calebs
patent: 4957292 (1990-09-01), Ushiyama

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