A magnetic drain bolt

Details A magnetic drain bolt A magnetic drain bolt

F - Mech Eng,Light,Heat,Weapons

01

M

F01M 11/04 (2006.01) B03C 1/28 (2006.01) F01M 11/03 (2006.01)

Patent

CA 2167753

A magnetic drain bolt comprising a bolt body and a magnet. The bolt body comprises of a male-threaded member and a head member, the male-threaded member having a fastening protuberance formed at an end thereof. The magnet is comprised of a sintered ferrite material and has a recess formed at a bottom end thereof for receipt of the fastening protuberance, the recess having a depth sized equivalent to a height of the fastening protuberance, the magnet having a diameter slightly smaller than a diameter of the male-threaded member. The fastening protuberance is secured with an adhesive to the magnet within the recess whereby the fastening protuberance provides additional support for securing the magnet to the bolt body. The magnetic drain bolt may be used in association with an oil pan of an automobile or the like.

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