Patent ID: 9677595
Date: 2017-06-13
CPC Classifications: F16B

Claim:
1. A threaded body structure with a direction indicator, the structure comprising: a solid body, the solid body having a top portion located at a first extremity, a bottom portion located at a second extremity, a first ridge line extending in a forward rotation direction perpendicular to an axis of rotation, a second ridge line extending in a reverse rotation direction perpendicular to the axis of rotation, and a third ridge line extending in a direction parallel to the axis of rotation; a thread portion provided on a portion of the solid body and; at least one asymmetric direction indicator provided on an outer surface at the top portion of the solid body which is visible from both a top view and a front view; the asymmetric direction indicator comprising an asymmetric triangle with respect to the rotation direction, the asymmetric triangle includes a first corner disposed in the forward rotation direction on the first ridge line, a second corner disposed in the reverse rotation direction on the second ridge line, and a third corner disposed in a proceeding direction of the axis of rotation on the third ridge line; a distance between the first corner and the third corner is longer than a distance between the second corner and the third corner.