Patent ID: 6683521
Filing Date: 2004-01-27
Classification: H01F

Abstract:
A magnet tool assembly comprising:at least one generally rectangular-shaped permanent magnet, having generally a top, a bottom, two longitudinal sides, and two lateral sides, at least two generally rectangular ferrous metal plates attached to said longitudinal sides of said permanent magnet, whereby said ferrous metal plates serve as the north and south magnetic poles of said magnet tool assembly, at least one primary attracting surface consisting of the bottom of said permanent magnet and the portions of said ferrous metal plates adjacent to the bottom of said permanent magnet where said ferrous metal plates extend past the bottom of said permanent magnet, thereby creating a recess at the interface of said primary attracting surface of said permanent magnet and said ferrous metal plates, at least one non-magnetic plate oriented parallel to the top of said permanent magnet connecting said ferrous metal plates, a cover that covers said ferrous metal plates, said non-magnetic connecting plate, and said permanent magnet, at least one spacer, covering said primary attracting surfaces, including said recess.