Method and apparatus for screwing a nut onto a shank

Details Method and apparatus for screwing a nut onto a shank Method and apparatus for screwing a nut onto a shank

B - Operations, Transporting

23

P

B23P 19/06 (2006.01) B23P 19/08 (2006.01) B25B 21/00 (2006.01)

Patent

CA 2254313

To align an aperture (16) in a nut (12) with a hole (18) in a threaded stud (14), the nut (12) is rotated on the stud (14) to move the aperture (16) over the hole (18). Light is projected into the aperture (16) as the aperture (16) approaches the hole (18). The light is sensed when it projects from the aperture (16) through the hole (18) upon movement of the aperture (16) into alignment with the hole (18). Rotation of the nut (12) is stopped in response to sensing of the light.

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