Patent ID: 8336480

Claim:
A warning device for mounting on a vehicle having a rear bumper, comprising: a storage housing concealedly mounted within said rear bumper of said vehicle; a warning frame selectively received in said storage housing; and a driving unit connecting said storage housing and said warning frame to drive said warning frame to operate between a extended mode and a storage mode, wherein in said storage mode, said warning frame is selectively concealed within said storage housing, wherein in said extended mode, said warning frame is selectively driven by said driving unit to extend out of said storage housing to form a triangular structure for providing a warning signal to incoming traffic, wherein said storage housing comprises a housing body and a housing cover movably connected with said housing body through a retention mechanism having a predetermined elasticity for normally applying an urging force to close said housing cover, wherein said warning frame comprises first through third frame members, wherein said first frame member has an upper end portion pivotally coupled with a corresponding end portion of said second frame member through a pivot pin to form an inverted “V” shape structure, wherein said third frame member is extended between two lower end portions of said first and said second frame members to form a substantially triangular structure of said warning frame, wherein said second frame member further has a supporting rib formed thereon for communicating with said third frame member when said warning frame is in said storage mode.