Toy construction apparatus

Details Toy construction apparatus Toy construction apparatus

1987-10-13

1989-04-18

Hafer, Robert A.

Amusement devices: toys

Construction toy

Having parts assembled for relative movement

446104, 446487, A63H 3304

Patent

active

048223158

ABSTRACT:
An assembly toy comprising a plurality of engaged interconnectable elements, each interconnectable element including a generally planar surface and comprising at least one engagement portion selected from first and second types of mutually interconnectable engagement portions, individual ones of the first and second types of mutually interconnectable engagement portions, when engaged permitting relative displacement of the elements interconnected thereby with a plurality of degrees of freedom.

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patent: 4078328 (1978-03-01), Rayment
patent: 4519724 (1985-05-01), Ribas

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