Patent ID: 7464915

Claim:
A binding device, comprising: a first ratchet wheel and a second ratchet wheel, each having a plurality of mounting openings; a roll, further comprising a plurality of roll sectors that are respectively mounted in said mounting openings of said first and second ratchet wheels, with at least one roll sector being removable; a lever, connected with said first ratchet wheel; a frame, connected with said second ratchet wheel; an upper blocking assembly, mounted on said lever, unidirectionally blocking said second ratchet wheel from turning; and a lower blocking assembly, mounted on said lever, unidirectionally blocking said first ratchet wheel from turning; wherein each of said roll sectors are axially removable independently of the other roll sectors; said roll comprises two roll sectors which each have a free end and are fixed to each other by a compound fixing assembly; and wherein said compound fixing assembly further comprises a transverse hole, passing through said free end of said first roll sector; a first fixing hole, passing through said free end of said first roll sector, oriented perpendicularly to said transverse hole; a second fixing hole, passing through said free end of said second roll sector and aligned with said first fixing hole; two first pins, entering said transverse hole from opposite ends thereof; a handle, having a U shape and having ends to which said first pins are respectively attached, so that said first roll sector is readily manually moved, having lever holes close to said ends thereof; a connecting piece, having a U shape and having ends with end holes, through which second pins pass, which in turn pass through said lever holes; and a bolt, passing through said first fixing hole of said first roll sector and having a free end with a mounting hole, passed through by said connecting piece.