Set of elements articulated to each other

Details Set of elements articulated to each other Set of elements articulated to each other

1997-03-03

2000-09-12

Hafer, Robert A.

Amusement devices: toys

Construction toy

Having parts assembled for relative movement

446115, 446116, 446120, A63H 3308

Patent

active

061169803

ABSTRACT:
Four elements are each provided with protrusions constituted by forks, the branches of which are resilient. Each fork is provided with a recess and with an embossment. The protrusions engage with each other, their embossments and their recesses hooking each other, and are thus assembled to each other around rotation axes. The series of protrusions and of the free spaces which separate them are arranged in such a way that the four elements can be articulated to each other two by two, that has for consequence they can be assembled together by engagement of the protrusions of any one element with those of another element. The protrusions on respective halves of each element are not arranged symmetrically, but they can be identical.

REFERENCES:
patent: 2776521 (1957-01-01), Zimmerman
patent: 2814159 (1957-10-01), Green
patent: 4055019 (1977-10-01), Harvey
patent: 4090322 (1978-05-01), Hake
patent: 4731041 (1988-03-01), Ziegler
patent: 4792319 (1988-12-01), Svagerko
patent: 4874341 (1989-10-01), Ziegler
patent: 5100358 (1992-03-01), Volgger
patent: 5183430 (1993-02-01), Swann

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