Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1989-04-10
1990-01-23
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
335303, H01F 702
Patent
active
048961310
ABSTRACT:
A Stud Finder includes a one-piece magnet assembly molded from a moldable plastic material containing a dopant capable of being permanently magnetized along a desired axis. The one-piece magnet assembly includes integral pivot bosses for pivotably supporting the magnet assembly in a location where it can be influenced by the nearby presence of magnetic metals such as steel nails. The plastic material is capable of accepting integral coloring.
REFERENCES:
patent: 2933679 (1960-04-01), Bray
patent: 4702852 (1987-10-01), Sakauchi et al.
patent: 4810572 (1989-03-01), Ooe et al.
Lopez Ralph
Podlesny Daniel B.
Harris George
Red Devil Inc.
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