Patent ID: 9303677
Filing Date: 2016-04-05
CPC Classification: E04C,F16B

Claim Text:
1. A checker nut for locking a threaded body to a threaded rod, comprising: a) one-piece main body portion having a bearing surface for engaging a threaded body, the main body portion is configured to be rotated about a threaded rod; b) radial projections extending from the main body portion; c) the main body portion including a central opening; d) a female thread disposed in the central opening of the main body portion, the female thread is configured to cooperate with threads on the threaded rod; and e) the radial projections for extending beyond the outer periphery of the threaded body to be locked by the checker nut on the threaded rod, the radial projections are configured to provide leverage to a user to tighten the bearing surface against the threaded body when the main body portion is rotated about the threaded rod.