| 摘要 |
PROBLEM TO BE SOLVED: To provide a device temporarily fixing an upper frame member for a vestibule and a rail at the uppermost stage of stairs only for a time when adhesives solidify when a residence is built. SOLUTION: A sliding arm 12 is fitted to the vertical lever section 11a of an L-shaped rail member 11, the clamping screw 13 section of a grip 16 for fixing a rail is screwed to the sliding arm 12, the clamping screw 9 section of a floor-board pushing grip 10 is screwed to a section far from the vertical lever section 11a of the sliding arm 12, the rail is held between the lower end of the clamping screw 13 and the front end of the horizontal lever section 11b of the L-shaped rail member 11, the sliding arm 12 is fixed, and a floor board is pushed by the lower end of the clamping screw 9.
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