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12. 发明授权

US5771769A Externally driveable cassette for light-sensitive web material, including knife for cuttng material 失效
标题翻译：用于感光纤维网材料的外部可驱动盒，包括用于切割材料的刀
公开(公告)号：US5771769A
公开(公告)日：1998-06-30
申请号：US606793
申请日：1996-02-27
申请人： Jeffrey Charles Robertson
发明人： Jeffrey Charles Robertson
IPC分类号： G03B27/58 , B26D1/143
CPC分类号： G03B27/588 , Y10S83/948 , Y10T83/896
摘要： A cassette (10) for photosensitive web material includes a hollow cassette housing (12) having a peripheral wall (16) with an outside surface; a first exit slit (42) extending through the peripheral wall to the outside surface; a device (20) within the housing for rotatably supporting a roll (22, 24) of the web material; a mechanism (32, 38) within the housing for engaging a leading end of a web material to drive the web material through the first exit slit, an external access (110, 112) to the driven member; a knife blade (92) movably mounted on the housing adjacent the first exit slit, the blade having a cutting edge (100) transverse to web material extended through the first exit slit, the blade being movable between a first position in which the first exit slit is open and a second position in which web material has been cut by the cutting edge and the first exit slit is closed by the blade to prevent entry of light into the housing through the first exit slit; and a feature (106, 108) formed in the blade to permit engagement of the blade by an external driver (114, 116) for the driven member, which driver both moves the blade between the first and second positions and engages and drives the driven member when the blade is in the first position.
摘要翻译：用于感光幅材材料的盒（10）包括具有外表面（16）的中空盒壳（12）第一出口狭缝（42），其延伸穿过所述周壁到外表面; 壳体内的装置（20），用于可旋转地支撑卷筒纸材料的卷筒（22,24）; 壳体内的机构（32,38），用于接合幅材材料的前端以通过第一出口狭缝驱动幅材材料;驱动构件的外部通路（110,112）; 刀片（92），其可移动地安装在所述壳体上邻近所述第一出口狭缝，所述刀片具有横向于通过所述第一出口狭缝延伸的腹板材料的切割边缘（100），所述刀片可在第一位置和第二位置之间移动，狭缝是开放的，并且第二位置，其中纤维网材料已被切割边缘切割，并且第一出口狭缝被刀片封闭，以防止光通过第一出口狭缝进入壳体; 以及形成在所述叶片中的特征（106,108），以允许由所述从动构件的外部驱动器（114,116）接合所述叶片，所述驱动器将所述叶片在所述第一和第二位置之间移动并接合并驱动所述驱动当刀片处于第一位置时，

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