| 摘要 |
PROBLEM TO BE SOLVED: To form a terminal bolt fall out preventive device which is thin in thickness, small in width, inexpensive and capable of being bent by a press. SOLUTION: A terminal bolt drop-preventive device is provided with a fall out preventive tool of approximately U-shaped side surface comprising two bolt insertion holes 2 formed in a main circuit terminal 1 of a switch and a screw hole 3 at the intermediate position of both bolt insertion holes 2, two terminal bolts 4 whose shaft part 6 is inserted in both bolt insertion holes 2, a substrate 17 and a presser plate 18 folded from a side edge of the substrate 17, two hexagonal rotation preventive holes 19 cut through in the substrate 17 and to which hexagonal head parts 5 of both bolts 4 are fitted and a screw insertion hole 20 at the intermediate position of both rotation preventive holes 19, and a set screw 15 which is inserted in the screw insertion hole 20, screwed in the screw hole 3 and fits the fall out preventive tool 16 to the terminal 1, and the presser plate 18 is abutted on the head parts 5 of both bolts 4.
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