| 摘要 |
A positioning device 10 provides additional connection between an equipment unit 28, such as electrical servos or computers etc, and a vertical support column 30 of a rack frame to provide additional support and resistance to vibration, especially at the rear of the unit (see fig 7) when lugs on the front board of the unit are used. The device 10 includes first and second boards 12, 14 that have positioning portions 20, 24 extending preferably perpendicularly, and carrying holes 22, 26 that preferably align with mounting holes 42, 48 of the rack column 30, to allow bolting 46, 50 together. The two boards are connected by portion 16. A hook 18 extends from at least one of the boards 12, 14 and connection portion 16, which can contact (fig 7) a rear end of the side wall 44 of the equipment unit 28. A further extension potion (52) may extend from one of the boards (figures 8 and 9) perpendicularly and contact the top of the unit 28.
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