Patent ID: 11932161
Assignee: nan
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 11:
12. The securing device of claim 11, further comprising:
a cover including a circular base and a cylindrical wall extending from a circumferential edge of said circular base, said cylindrical wall and a first surface of said circular base of said cover defining a receiving space configured to closely receive said first magnet therein, said cover including a contact surface opposite said first surface of said circular base, said contact surface disposed to abut said planar surface when said first magnet magnetically engages said planar surface through said cover; and wherein
a circumference of said cylindrical wall of said cover is smaller than a circumference of said cylindrical wall of said frame;
said circumference of said cylindrical wall of said cover is larger than a circumference of said cylindrical wall of said ferrous shell;
said cylindrical wall of said cover is disposed between said cylindrical wall of said ferrous shell and said cylindrical wall of said frame, when said cover, said frame, and said first magnet are coupled together; and
said first magnet is disposed between said circular base of said of said frame and said circular base of said cover, when said cover, said frame, and said first magnet are coupled together.