Rigid chain links and rigid chains with these links

摘要

The link 200n of the rigid chain 100 has at least one of the overall shape of the rectangle with substantially constant thicknesses 93 and 97 at right angles to the main plane 81 And a flange (1). The flange (1) comprises a first part (2) and a second part (4). Each of the portions 2 and 4 is configured such that: for a corresponding heel of a similar flange 1n-1; 1n + 1 of adjacent links 200n-1; 200n + 1 of the rigid chain 100, A heel 5 designed to be supported and a base 7 designed to form a bearing around the rotation pin 400 for the adjacent link 200n-1; 200n + 1. The heel 5 and the base 7 extend parallel to the main plane 81 on both sides of the main plane 81.