Building set having plug-in building blocks for building in laye

Details Building set having plug-in building blocks for building in laye Building set having plug-in building blocks for building in laye

1989-10-20

1991-02-12

Hafer, Robert A.

Amusement devices: toys

Construction toy

Interfitting elements

446476, 403 49, 182178, 182179, 52286, 52593, A63H 3308, A63H 352, E04G 700, E04B 100

Patent

active

049920693

ABSTRACT:
In a square array with a modulus (M), the plug-in building blocks of the building set have protruding connecting pins (1) and corresponding mating connecting sockets. In order that bendproof trusses can also be built, the building set has single-row connecting bars (34) with two terminal pins (35), whose spacing from one another amounts to .sqroot.2 times an integral multiple of the modulus (M), and girder elements (10), which at two bordering sides faces (13, 14) each have a single row of pins with modular spacing and parallel to these side faces each have a projection (19) set back by the thickness of the connecting bar (34). In this way, stable, aesthetically appealing trussings can be built with the building set.

REFERENCES:
patent: 1034338 (1912-07-01), Beatty
patent: 2810233 (1957-10-01), Jakobsen
patent: 2885822 (1959-05-01), Onanian
patent: 3371458 (1968-03-01), Sturgill
patent: 4171590 (1979-10-01), Fischer
patent: 4637180 (1987-01-01), Zeigler
patent: 4676762 (1987-06-01), Ballard

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