Patent ID: 6959769

Claim:
Plough chain strand comprising: horizontal chain links and vertical chain links, said horizontal chain links and vertical chain links each having chain link legs connected by chain link arcs, said horizontal and vertical chain links being alternately engaged with one another in an intractable manner; a chain connector link which connects two chain strand ends, said chain connector link comprising two chain connector parts which are locked to one another in a tension-proof manner, said chain connector link comprising connector link legs defining an outer width (b K ); wherein the two chain strand ends each comprise at least one special chain link ( 20 ; 120 ) comprising special link legs and special link arcs connecting the special link legs, wherein said special link legs define an outer width (b S ;b′ S ) which is the same or larger than the outer width (b K ) defined by the connector link legs of the chain connector link, and wherein the special link legs comprise a greater cross section than the special link arcs.