Patent ID: 9370777
Filing Date: 2016-06-21
CPC Classification: A47J,B02C,F16B

Claim Text:
1. A suction base, comprising: a main pedestal having a generally vertical axis and having a cross-section normal to said axis, wherein said cross-section is non-circular; a suction plate at a bottom of said pedestal; and a control ring operatively connected to said suction plate and movable in rotation about said axis between a locked position in which said suction plate will secure to a supporting surface by suction, and an unlocked position in which said suction plate will not secure to said supporting surface, said control ring being shaped to form a substantially continuous surface with the main pedestal when said control ring is in said locked position, wherein in the unlocked position, the control ring is in a position that is not in line with a line of symmetry of the cross-section of said main pedestal, such that said control ring is no longer a substantially continuous surface with said main pedestal when in said unlocked position.