Patent ID: 11865904
Assignee: YOUNG SUNG GEUM
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 5:
6. The automatic light blocking device according to claim 1, further comprising:
a detachable unit configured to detachably couple the light blocking body to the ceiling or roof of the vehicle using a magnetic force,
wherein the detachable unit comprises:
a switching block provided to the light blocking body in a state in which a switching hole is penetrated or recessed;
a permanent magnet having a magnetic force and configured to rotatably insert into and couple to the switching hole; and
a switching lever configured to couple to the permanent magnet for forward and reverse rotation of the permanent magnet, and
the switching block is magnetized by the permanent magnet or the magnetized switching block is demagnetized according to the forward and reverse rotation of the permanent magnet.