| 摘要 |
PROBLEM TO BE SOLVED: To provide a safety fixture for a screw or a nut capable of being mounted very simply and removed very simply at a low cost, with no risk of resulting in remarkable contamination or damage. SOLUTION: A safety fixture to fix a screw or nut is formed into a disc shape and equipped with an accommodation part 3 to accommodate the head part of screw 2 or the nut. The accommodation part 3 includes at least one supplement part 4 furnished with a separation part 6, which does not lie within the rotating range of the screw head or the nut.
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