Patent ID: 8381550

Claim:
A needle bed structure for a flat knitting machine located at two sides of a needle bed gap, the needle bed structure comprising a plurality of needle plates parallel with each other, a plurality of parallel knitting needles and sinkers located between the needle plates, a sinker control portion which is movable in parallel with the arranged direction of the sinkers and includes a switching portion to perform a switching movement according to the moving direction, and at least one control cam driven by the switching portion to push the sinkers to rotate towards the needle bed gap during the switching movement; the needle bed structure being characterized in that the needle plates hold at least one needle pressing board thereon to restrict vertical movement of the knitting needles, the switching portion including a magnetic attracting portion corresponding to the needle pressing board to form magnetic attraction therewith, the needle plates being interposed by a spacer to restrict horizontal movement of the sinkers.