| 摘要 |
A chain has chain links ( 110 ) having basically spherical geometry ( 116 ) and four flattened surfaces ( 118 ) equally distributed in the circumferential direction. A chamber ( 120 ) is formed in the chain links ( 110 ) in which a connecting member ( 112 ) is retained. A back side of the chain links ( 110 ) is furnished with a spherical joint surface ( 124 ). The connecting member ( 112 ) has on its side remote from the said joint surface ( 124 ) a head ( 150 ) which is furnished with a concave joint surface ( 162 ) which runs spaced apart from the outer surface of the chain link ( 110 ) and interacts with a complementarily convex joint surface ( 143 ) which is carried by the adjacent chain link ( 110 ) in the interior of the chamber ( 120 ).
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