| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem wherein a shutter and an opening/closing bar are separately provided and the opening/closing bar is left as it is or lost after opening/closing the shutter and removing it from the shutter. SOLUTION: A seat plate for the shutter is provided with an inside groove, and this groove is divided into two of an opening and a slide groove. A guide rail is provided as a partition at an intermediate part between the opening and a terminal part of the groove. The opening/closing bar for the shutter is slid in the slide groove of the guide rail, and housed in the groove of the shutter guide rail when opeinng the shutter. A swelled part is provided in a tip of a shaft as the opening/closing bar to prevent loose-out of the shaft, and this opening/closing bar is joined with the shutter. COPYRIGHT: (C)2005,JPO&NCIPI
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