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    • 4. 发明授权
    • Transfer cartridge with light seal
    • 转印墨盒带有密封
    • US4786006A
    • 1988-11-22
    • US920193
    • 1986-10-17
    • Daniel P. WhiteMichael A. Brookmire
    • Daniel P. WhiteMichael A. Brookmire
    • G03B27/58B65H18/08B65D85/38G03B17/26
    • G03B27/588G03B2217/261G03B2217/265
    • A transfer cartridge for photosensitive material includes an enclosure with an entry slot in one of its walls, and end caps to seal the opposite ends of the enclosure. A pair of rollers is disposed in aligned, parallel relationship within the enclosure, and a flexible, opaque belt extends between the rollers, preferably in figure 8-fashion. One roller is rigidly mounted upon an elongated shaft, while the second roller is elastically mounted upon a second elongated shaft through the use of a torsion spring. Drive gears on the exterior of the cartridge impart rotational movement to the rollers and the nip between the rollers grasps the leading edge of a length of photosensitive material and introduces same into the belt. The continued rotation of the rollers in opposite directions causes the belt to wrap the photosensitive material several times about one roller in a sandwich-like fashion. The belt is chosen to be wider than the photosensitive material, and the length of the belt is chosen to be greater then the length of photosensitive material. Consequently, the belt serves as a complete light shield. The belt is formed from an opaque material that exhibits the ability to absorb infrared illumination. A reflective target is secured to one side of the belt, which is otherwise black, and an optical sensor is operatively associated with the target to define a home position for the belt.
    • 用于感光材料的转印盒包括在其一个壁中具有入口槽的外壳和用于密封外壳的相对端的端盖。 一对辊子在壳体内以对准的平行关系设置,并且柔性的不透明带优选地以图8方式延伸在辊之间。 一个辊刚性地安装在细长的轴上,而第二个辊通过使用扭转弹簧弹性地安装在第二细长轴上。 驱动盒的外部的齿轮将转动运动传递给辊子,并且辊子之间的辊隙夹住感光材料长度的前缘并将其引入带中。 辊子在相反方向上的继续旋转导致带子以三明治方式围绕一个辊子包裹感光材料几次。 皮带被选择为比感光材料宽,并且皮带的长度被选择为大于感光材料的长度。 因此,皮带用作完整的遮光罩。 该带由不透明材料形成,其表现出吸收红外照明的能力。 反射目标被固定在皮带的一侧,否则为黑色,并且光学传感器可操作地与目标相关联以限定皮带的原始位置。