Blind fastener and drive nut assembly

Details Blind fastener and drive nut assembly Blind fastener and drive nut assembly

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 37/00 (2006.01) F16B 5/02 (2006.01) F16B 19/10 (2006.01)

Patent

CA 2366980

A blind fastener with an improved drive nut and assembly process. The blind fastener includes a screw, a sleeve, a nut, and a drive nut. The drive nut has a smooth bore and protruding nibs that mate precisely with a driving recess located in the nut head. A retaining device is used to retain the drive nut on the screw against the nut. Once the new assembly process for the blind fastener has been completed, the drive nut will have been mated with the nut head to prevent any rotation of the nut during installation of the blind fastener. The assembly process will now include placing the sleeve over the threads of the screw to a position adjacent the screw head. The nut is then threaded onto the screw adjacent the sleeve. The drive nut's protruding nibs are next aligned and physically engaged into the driving recess of the nut head by sliding the smooth bore over the screw. A retaining device is placed over the screw adjacent the drive nut to retain the drive nut to the screw. The retaining device can be an adhesive.

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