| 摘要 |
PROBLEM TO BE SOLVED: To attain miniaturization and weight reduction of a drawing hardware, to restrain the lower part of the drawing hardware from sinking into a mounted column by a pull-out force, and to increase stickiness to achieve high yield strength. SOLUTION: A steel plate is bent in U-shape, and plates are provided on both sides of a pair of sidewalls and bored with screw holes to serve as mounting fixed portions by screw-fastening. A rectangular bent stopper is formed at the upper edge tip of a pull-out hardware, and an anchor bolt is constrained in a cross washer to restrain the deformation of the bolt caused by the pull-out force. Further, a lower end stopper for preventing sink-in caused by force working in vertically opposite directions by bending inside a projecting piece from the drawing hardware sidewall to come in close contact with the anchor bolt is provided in the lower edge tip part of the drawing hardware. COPYRIGHT: (C)2011,JPO&INPIT
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