Pin
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A pin is a device, typically pointed, used for fastening objects or fabrics together. Pins can have the following sorts of body:
A sewing pin
A safety pin
Push-pins in a cork board
Bone and metal pins used to fasten clothing in the Bronze Age
Safety pin
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A safety pin is a variation of the regular pin which includes a simple spring mechanism and a clasp. The clasp forms a closed loop to properly fasten the pin to whatever it is applied to and covers th
Pin
…in 1841; his Howe Manufacturing Company of Derby, Connecticut, used three machines to produce 72,000 pins per day in 1839. Walter Hunt invented the safety pin by forming an eight-inch brass pin into a bent pin with a spring and guard. He sold the rights to his invention to pay a debt to a friend, not knowing…
A ribbon and badge attached to a school cap with safety pins
Hunt's 1849 patent on the safety pin, U.S. patent #6,281
Silver safety pins