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热词
    • 3. 发明授权
    • Film advance mechanism
    • 电影推进机制
    • US5295942A
    • 1994-03-22
    • US979188
    • 1992-11-20
    • Kenneth W. Franklin
    • Kenneth W. Franklin
    • B65B9/20B31C13/00
    • B65B9/2028B65B9/20B65B9/2014
    • A film advance mechanism is used for advancing a tubular film along a film support with the film surrounding the support. The mechanism comprises two drive units each comprising a drive belt passing round two rollers mounted on a respective drive belt carrier and arranged so that a straight run of the belt can engage frictionally against the film to drive the film along the support. Each carrier is supported for movement towards and away from the film support and for angular movement with respect to the film support and is urged towards the film support such that it aligns itself with the film support due to engagement therewith.
    • 薄膜推进机构用于沿着薄膜支撑件推进管状膜,其中膜围绕支撑件。 该机构包括两个驱动单元,每个驱动单元包括通过安装在相应的传动带承载件上的两个辊的驱动带,并且布置成使得带的直线运动可以摩擦地接合在膜上以沿着支撑件驱动膜。 每个载体被支撑以朝向和远离胶片支撑件移动并且相对于胶片支撑件进行角度运动,并被推向胶片支撑件,使得其与胶片支撑件对准,因为它与其接合。