Joints and connections – Three or more members connected at single locus
Patent
1986-11-06
1987-12-22
Kundrat, Andrew V.
Joints and connections
Three or more members connected at single locus
403171, 403176, 403295, F16D 100
Patent
active
047143703
ABSTRACT:
An improved shelf joint with a counter-sunk hexagonal slotted screw fitted axially in a body and having screw threads around the top edge and a conical face beneath the threads, and a round flat surface on the bottom where the conical face abuts against a sloping face of a thrust block, with a buffer spring against an opposite laterally placed face of that thrust block and the opposite side of the buffer spring pressed against a lateral face of a deviation block whose opposite face slopes against a complementary sloping face of a check block, pivotally held by a screw bolt in an extending shaft arm whereby the check block, when under pressure from the deviation block and screw, moves its sloping end which is against the deviation block, laterally outward through an opening in a side of the shaft arm thereby pressing against the inside wall of an oblong sleeve tubing which fits over the shaft arm holding the sleeve tightly to the joint, which sleeve supports a shelf. Such joints are shown with five shaft arms and may be modified to have different numbers of shaft arms to fit different particular applications.
REFERENCES:
patent: 3822101 (1974-07-01), Schneider
patent: 4076438 (1978-02-01), Bos
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