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US 2018/0340566 A1Published application
Nut runner
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorsJin Young Hong, Jung Whan Yeum
Life of this patent
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Abstract
A nut runner apparatus for screw-coupling a nut to a bolt, according to an exemplary embodiment of the present invention, includes a nut socket into which the nut is removably inserted, a heating device that heats the nut to thermally expand the nut, an actuating device that rotates the nut socket to screw-couple the nut thermally expanded by the heating device to the bolt, and a cooling device that cools the nut screw-coupled to the bolt to thermally contract the nut.
Claims9
A nut runner apparatus for screw-coupling a nut to a bolt, the nut runner apparatus comprising:
- a nut socket into which the nut is configured to be removably inserted;
- a heating device configured to heat the nut to thermally expand the nut;
- an actuating device configured to rotate the nut socket to screw-couple the nut thermally expanded by the heating device, to the bolt;
- and
- a cooling device configured to cool the nut screw-coupled to the bolt to thermally contract the nut.
2 more elements
Dependencies are inferred from the claim text.