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US 2002/0002006 A1Published application
Screw fastening structure and nut member
AssigneesNissan Motor Co., Ltd., Fuse Rashi, Co., Ltd.
InventorsRYOICHI NAKAYAMA, SHINJI NAKANO
Life of this patent
Estimating the term…
Abstract
A conductive male thread (22) has a thrust bearing flank (22a) coated with an insulating paint layer (23), and a conductive female thread (12) has a thrust bearing flank (12a) formed with a conductive projection (13) to break through the paint layer (23) and bite in that flank (22a).
Claims17
A screw fastening structure comprising:
- a conductive male thread having a first flank covered with an insulating paint coat;
- a conductive female thread having a second flank;
- and
- an electric contact interconnecting the first and second flanks through the paint coat.
1 more element
A screw fastening structure comprising:
- a conductive male thread having a first flank coated with an insulating paint layer;
- a conductive female thread having a second flank;
- and
- electric contact means for interconnecting the first and second flanks through the paint layer.
1 more element
A nut member comprising:
- a conductive female thread having a flank;
- and
- a conductive projection formed on the flank.
A nut member comprising:
- a conductive female thread having a flank;
- and
- conductive projection means formed on the flank.
Dependencies are inferred from the claim text.