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A construction toy set whose main component is a cubical open-top box, the bottom and side walls of which are divided into quadrants, each having a keyhole therein and a coupling collar encircling the keyhole and projecting from the quadrant. Also included in the set are cylindrical spacers that fit

A construction toy set whose main component is a cubical open-top box, the bottom and side walls of which are divided into quadrants, each having a keyhole therein and a coupling collar encircling the keyhole and projecting from the quadrant. Also included in the set are cylindrical spacers that fit over the collars and extend therefrom, wheels having cylindrical hubs that can slip over the spacers which then function as axles, and hub caps that rest against the outer end of the spacers or the wheel hubs, each cap having a center keyhole matching the quadrant keyhole. The components can be assembled and interconnected to create different structures by means of connector bolts each having a key at one end capable of passing through the keyholes. Thus to create a wheeled wagon from the components, spacers are fitted over quadrant coupling collars on opposing side walls of the box to serve as axles for front and rear wheels, hub being applied to the outer ends of the spacers, after whcih a connector bolt is inserted in the center keyhole of each hub cap. The key of the bolt passes through the related quadrant keyhole, after which the bolt is turned to a locking position in which the key is not of registration with the quadrant keyhole.

대표청구항 ▼

A construction toy set whose components are interconnectable to create various structures, depending on how the components are assembled, said set comprising: (a) at least one open-top cubical box whose bottom and side walls are divided into quadrants, each having a keyhole therein encircled by a co

A construction toy set whose components are interconnectable to create various structures, depending on how the components are assembled, said set comprising: (a) at least one open-top cubical box whose bottom and side walls are divided into quadrants, each having a keyhole therein encircled by a coupling collar projecting from the quadrant; (b) a plurality of like cylindrical spacers which are fittable on respective collars and extend therefrom; (c) a plurality of wheels having a cylindrical hub of substantially the same length as said spacers and a larger diameter, whereby each wheel may be slipped over a spacer extending from a coupling collar, the spacer then acting as an axle for the wheel; (d) a plurality of like hub caps adapted to lie against an outer end of the spacer and against the hub of said wheel, each hub cap having a membrane with a center keyhole whose shape matches the quadrant keyhole; and (e) a plurality of like connector bolts each having a shank whose length is substantially equal to that of said spacers and a key at the end of the shank which is shaped to be admissible in said quadrant keyhole and said membrane center keyhole, whereby when a connector bolt is inserted in the membrane center keyhole and the key passes through the quadrant keyhole, and the shank of the bolt then extends through a spacer, the connector bolt can be locked by turning the bolt to cause the key to fall out of registration with the quadrant keyhole.