摘要 |
A magnetic attachment device comprises a pad, the pad including a base, a backing plate mounting a plurality of magnets, and a top plate. The base is connected to the backing plate and the top plate is connected to the backing plate, the top plate being connected to the backing plate by fasteners, and the pad further comprises flexible sealant situated in a void formed between surfaces of the base and/or the magnets and/or the backing plate. |