Patent ID: 6282879
Filing Date: 2001-09-04
Classification: F16G

Abstract:
A shackle for connection of an external element to a chain link of a chain, said chain link having a diameter, a pair of opposite rectilinear sections and a pair of opposite arcuate sections joining said pair of opposite rectilinear sections of the chain link, said shackle comprising:a rigid main body, said main body having an arch with an internal edge and an external edge, a first pair of legs each having a terminal end adjacent to the arch and an enlarged terminal end opposite to the arch, each said enlarged terminal end having an internal and an external edge;a pair of aligned transverse through holes, each transverse through hole being provided on one of each of said enlarged terminal ends of said first pair of legs;a bolt transversely insertable through said pair of transverse through holes;a fork shaped chain link insertion element integral with said rigid main body and comprising:a second pair of legs;a transverse portion for connection of said second pair of legs, said transverse portion having an internal edge and an external edge; anda mouth portion opposite to said transverse portion, said mouth portion having an opening dimension, a height dimension and a depth dimension;each leg of said second pair of legs being adjacent and internal to a leg of said first pair of legs;said transverse portion being adjacent and internal to said arch;said mouth portion being adjacent to said pair of enlarged terminal ends;said fork shaped insertion element being operable for transversely inserting in said mouth portion said pair of rectilinear opposite sections of said chain link;said bolt being operable for closure of said mouth portion after insertion of said chain link into said mouth portion;said opening dimension of said mouth portion of said fork shaped insertion element not exceeding 50% of the diameter of said chain link;said depth dimension of said mouth portion of said fork shaped insertion element being not lower than the transverse dimension of said chain link; andan opening, delimited by the internal edge of said arch and the external edge of said transverse portion, for connecting said external element to the shackle.2.The shackle according to claim 1 wherein said height dimension of said mouth portion is set lower than the diameter of the chain link.