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    • 4. 发明授权
    • Adjustable platen track
    • 可调平板轨道
    • US3613557A
    • 1971-10-19
    • US3613557D
    • 1970-08-06
    • INTERLAKE INC
    • COLEMAN BESTOR P
    • B65B13/06B65B13/04
    • B65B13/06
    • A generally rectangular binder strap track includes a stationary section and a movable section movable therealong for varying the track length, a flexible tape being connected to the movable section and extending therefrom along the stationary section and outwardly through an opening therein to a tape supply for facilitating unencumbered passage of the leasing strap end from the stationary section to the movable section; each section includes a backing wall of a width substantially equal to that of the strap and pairs of retainers extending laterally outwardly of the opposite sides of the backing wall and cooperating therewith to define a strap path substantially wider than the backing wall, each retainer having two flat surfaces thereon intersecting at an angle and having an opening therethrough with the axis thereof passing through the intersection of the surfaces, the openings of each pair of retainers receiving a pin therethrough to mount the retainers for movement between retaining and releasing positions.