IL26232A - Hinged building blocks for toy building sets - Google Patents

Description

Hinged Building Blocks Buildin 3 1 is an elevation of according to the 2 is a thereof on line The hinged block according to 1 and 2 prises two parts 2 together at their rabbeted parts The parts have at their free end faces undercut tenons and they have also grooves which have not been Thei aggregate length substantially corresponds to the length of a normal building block of tho thickness of the projecting part of each 5 is thickness o tho building A bush is inserted into each rabbet The two bushes with their axial boros form gether a bearin ah axle if be The bush 6 is secured to the rabbet projection 4 of the hinge part 2 and has a tapped The bush 7 is uneonnectedly inserted tho rabbet projection 5 of the hinge part 1 that this latter hinge part can be turned round the bush Tho bush 7 has a threaded corresponding tho tapped socket of bush A spring is interposed between the two bushes and urges them away each other whereby the flanks of the laalo thread of the boss of 7 are pressed against the flanks of the female threads of the socket busk The frictio by the spring 8 is stronger than that existing between the bush 7 and the jection 5 of the hinge part when part 1 is moved angularly to the part the bush 7 remains relative to the bush 6 spring 8 is pre a plate spring shown in this Such a spring requires a of space distributes the pressure over the ing faces of the bushes 6 and The friction between the projections 4 and 5 hinge parts end can be varied at in on the one hand to enable easy angular displacement on the other virtually to immobilize the two parts relative to each other in the desired angular This adjustment is effected by untightening or tightening the bush 7 in relation to bush and for this slots 10 are provided in the ends of bores 9 for the insertion of a screwdrive coin or the For it may be desired to hinge as an lever fo the transmission of which purpose the two parts of the hinge will to immobilized relative to each Of the spring will to be so dimensioned that the stresses it has to support in the various uses of the are within the limits of its All the parts of the block and except the are preferably from synthetic insufficientOCRQuality

Claims (1)

1. block for a toy building comprising two rabbetod parts joined together at their rabbeted a hinge traversing the rabbet joint and constituted by members interconnected a spring between the two bingo members and urging them away from one and undercut tenons or if desired on both parts of the fo connection with corresponding possibly with corresponding tenons or of other elements of the building A block according to whorein the projecting and recessed portions of the rabbetod face o each part of the block have each about half the thickness of A block according to Claims 1 or wherein the hinge a threaded and a tapped and form a bearing for an axle Applicants insufficientOCRQuality