Patent attributes
A suction cup comprises a suction cup member, a press ring, a first housing and an insertion pin. The suction cup member includes an assembly surface and a suction surface. The assembly surface includes a first protrusion having a first cut-out slot formed thereon. The press ring is pressed onto an upper outer edge of the suction cup member. The first housing is pressed onto the press ring and includes a second protrusion for mounting onto the first protrusion. One side of the second protrusion includes a first through hole corresponding to the first cut-out slot to expose the first cut-out slot. The insertion pin partially engages with the first housing and slidably engages with the first through hole and the first cut-out slot to move in the first cut-out slot and to drive the suction cup member to move upward while forming a vacuum space underneath thereof simultaneously.
