A - Human Necessities – 63 – H
Patent
A - Human Necessities
63
H
A63H 33/04 (2006.01)
Patent
CA 2133577
A gearing and drive mechanism is provided for a construction toy system, in which a coherent structure can be as- sembled from a series of rod-like struts (25, 26, 27, 28) and hub-like connec- tors (11), wherein the struts have spe- cially contoured ends engageable by lat- eral, snap-in assembly with pairs of con- toured gripping arms on the connector elements. Upon snap-in assembly, the struts are effectively rigidly joined with the connectors. Spur years (71) and pin- ions (70) can be rotatably supported in the structure using struts and connector elements providing a gear train for con- verting the output of a motor (37) to the driving of 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 hypothenuse. Spur and pinion gears have a size ratio of ap- proximately 2.4 at tile pitch diameter to accommodate assembly, in structures of connected struts provided in such a size progression, of useful drive gear mech- anisms of various speed ratios and me- chanical advantages.
Connector Set Limited Partnership
Fetherstonhaugh & Co.
LandOfFree
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