Ring puzzle
OwnerIgor Goldmaninventor
Life of this patent
Estimating the term…
Abstract
A ring puzzle has a plurality of rings having a through going slot through which the rings can be introduced into one another, and each of the ring being provided with a plurality of groups at least two circumferentially spaced protrusions and at least two axially spaced grooves, such that when one of the rings is introduced in another of the rings and turned relative to the latter and the protrusions of one of the rings are engaged in the grooves of another of the rings at least one of the groups two of the rings become firmly connected with one another.
Claims7
A ring puzzle, comprising a plurality of rings, each of said rings having an inner surface and a through going slot through which said rings can be introduced into one another, each of said rings being provided on said inner surface with a plurality of groups, each of said groups including two peripherally spaced protrusions having rounded ends which are spaced from said inner surface and facing toward each other and also including two corresponding transversely spaced rounded grooves located on opposite side surfaces of said ring and facing toward each other, such that when one of said rings is introduced into another of said rings and turned relative to the latter and said rounded ends of said two peripherally spaced protrusions of one of said rings are engaged into said rounded grooves of another of said rings of at least one of said groups, said two rings become firmly connected with one another.
Dependencies are inferred from the claim text.