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    • 2. 发明申请
    • REDUCING DRAG ON ROTATABLE WEB DRIVE MEMBER
    • 在可旋转的网络驱动器会员上减少损坏
    • WO2012106076A1
    • 2012-08-09
    • PCT/US2012/020885
    • 2012-01-11
    • EASTMAN KODAK COMPANYKITTLESON, Andrew, PeterYOUNG, Timothy, J.
    • KITTLESON, Andrew, PeterYOUNG, Timothy, J.
    • G03G15/01G03G15/16
    • G03G15/1615G03G15/0131G03G15/162G03G2215/00139
    • A method of reducing drag on a rotatable web drive member for driving a web in an electrophotographic printer includes spacing a plurality of rotatable, driven tensioning members, divided into two groups, along the web. Each tensioning member exerts a respective drag force on the web drive member through the web while maintaining tension on the web between adjacent members, and has a surface speed at a point of contact with the web. Each tensioning member in the first group is rotated with a greater surface speed than each member in the second group. Members of the first group thus exert a negative drag (overdrive) and members of the second group exert a positive drag (underdrive), and the total drag on the web drive member is less than the sum of the magnitudes of the respective drags exerted by the tensioning members.
    • 减少用于驱动电子照相打印机中的卷筒纸的可旋转腹板驱动构件上的阻力的方法包括将多个可旋转的被驱动的张紧构件沿腹板分成两组。 每个张紧构件通过幅材在幅材驱动构件上施加相应的阻力,同时保持幅材在相邻构件之间的张力,并且在与幅材接触的点处具有表面速度。 第一组中的每个张紧构件以比第二组中的每个构件更大的表面速度旋转。 因此,第一组的成员因此施加负阻力(过度驱动),第二组的成员发挥积极的拖累(不足),并且在网络驱动器上的总阻力小于由相应拖动的幅度的总和 紧张会员。