Amusement devices: toys – Construction toy – Interfitting elements
Patent
1994-08-10
1996-10-08
Hafer, Robert A.
Amusement devices: toys
Construction toy
Interfitting elements
446105, 446108, 446122, A63H 3308
Patent
active
055625193
ABSTRACT:
The invention includes a minimally structured, abstract toy with a plurality of nonrepresentational interconnecting pieces comprising: a plurality of connectors; a plurality of blocks which are adapted to receive one or more of the connectors so that the blocks move freely along the connectors; a plurality of hubs, each having a plurality of openings to receive a connector, one opening centrally positioned and a plurality of additional locking openings peripherally located, preferably tapered inwardly (i.e., openings that have a diameter that decreases with depth) to produce an opening to firmly receive the connectors; a plurality of spacers each having an opening to receive a connector; and a plurality of stationary pieces, each containing at least one locking opening, the sides of the opening inwardly tapered to produce an opening that has a diameter that decreases with depth.
REFERENCES:
patent: 1242272 (1917-10-01), Thurman
patent: 1242273 (1917-10-01), Thurman
patent: 1436710 (1922-11-01), Gruenberg
patent: 1870978 (1932-08-01), Wolfe
patent: 1915835 (1933-06-01), Pajeau
patent: 1916634 (1933-07-01), Pajeau
patent: 2208049 (1940-07-01), Pajeau
patent: 2313357 (1943-03-01), Pajeau
patent: 4326354 (1982-04-01), Hagberg
patent: 5013245 (1991-05-01), Benedict
Carlson Jeffrey D.
Corless Peter F.
Hafer Robert A.
Lowen Cara Z.
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