Amusement devices: toys – Construction toy – Interfitting elements
Patent
1993-06-03
1994-09-13
Hafer, Robert A.
Amusement devices: toys
Construction toy
Interfitting elements
446124, 446 85, 446 90, A63H 3306
Patent
active
053464206
ABSTRACT:
A gearing and drive mechanism is provided for a construction toy system, in which a coherent structure can be assembled from a series of rod-like struts and hub-like connectors, wherein the struts have specially contoured ends engageable by lateral, snap-in assembly with pairs of contoured gripping arms on the connector elements. Upon snap-in assembly, the struts are effectively rigidly joined with the connectors. Spur gears and pinions can be rotatably supported in the structure using struts and connector elements providing a gear train for converting the output of the motor to driving an element of the construction toy system. The construction system has a graduated progression of strut lengths, such that a first length is of a size to form a base of an isosceles right triangle for which the next length of the progression is of a size to form a hypotenuse. Spur and pinion gears have a size ratio of approximately 2.4 at the pitch diameter to accommodate assembly of useful drive gear mechanisms of various speed ratios and mechanical advantages.
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"Motorized Tinkertoy" Ad, Dated Mar. 10, 1966.
Connector Set Limited Partnership
Hafer Robert A.
Rimell Sam
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