safety pin


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safety pin

[′sāf·tē ‚pin]
(ordnance)
A device designed to fit the mechanism of a fuse in order to prevent accidental arming or functioning of the fuse and to ensure transport safety; the device is removed just before employment of the fuse.
References in periodicals archive ?
However, we later got charged for dust and a safety pin accidentally left in a drawer.
In unconscious patients, safety pins can be used to keep the airway open by pinning the tongue to the lower lip, according to Dr.
Once the safety pin had been removed and the tailhook was extended to the ground, I made sure the PC knew I was going to approach and inspect the tailhook.
A mini-accessory that contains 16 features--flashlight, keychain, needle and thread, safety pin, corkscrew, mirror, pen, tweezers, perfume bottle, bottle opener, screw-driver, scissors, ruler, nail file, pill box, and knife--Miss Army Kit is smaller than a cell phone and lighter than an iPod.
A routine series of plain radiographs of the chest revealed that an open safety pin had become lodged in the girl's trachea (figure 1).
Then there's the supposed reason for Spectacular Bid's defeat in 1979, the foot injury caused by stepping on a safety pin on race morning.
If you are familiar with F-4Gs, you know that they are low to the ground and the method of downloading the HARM is to first place a forward track safety pin in the LAU-118 missile launcher, then place the bottom half of the HARM casket under the missile on the ground.
With respect to feeding, the safety pin across the feed throat (required by a new ANSI standard) can cause bridging in small barrels but shouldn't be a problem with barrel diameters of at least 50 mm.
From the safety pin to superglue, from the wheel to molecular motors, this book is a chronological guide to inventions that have had profound effects.
A set of keys on a large safety pin and four $1 bills also were found in the victim's clothing.
Step 7 - Attach a safety pin to the end of the cord.

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