Level with Magnetic Coupling

摘要

A tool, such as a level, including one or more magnetic coupling device is provided. The magnetic coupling device may be a magnetic circuit including metal components surrounding a magnet, such as a permanent rare-earth magnet.

主权项

1. A level comprising:
a level body formed from a first metallic material, the level body defining a base surface configured to engage a workpiece; at least one level vial located within the level body; a cavity located in the level body defining an opening along the base surface; a magnetic circuit coupled to the level body within the cavity, the magnetic circuit comprising:
a pair of metallic structures, formed from a second metallic material, wherein the second metallic material is a ferromagnetic material and is different from the first metallic material; anda permanent magnet located between opposing inner surfaces of the pair of metallic structures.