Patent ID: 7967263
Filing Date: 2011-06-28
Classification: F16B

Abstract:
1. A fixing device, fixed to a surface, comprising: a sucker; a rack, connected to the sucker; a gear, engaged to the rack; a transforming unit, connected to the gear, wherein the transforming unit rotates the gear to move the rack between a first position and a second position, and wherein the rack pushes the sucker to apply a suction force to the surface when the rack is in the first position, and the suction force of the sucker is released when the rack is in the second position; and a limiting unit, connected to the rack to restrict the rack, wherein the rack comprises a plurality of first teeth and a plurality of second teeth, the first teeth engage the gear, and the second teeth engage the limiting unit, and wherein the rack comprises a first rack surface and a second rack surface, the first rack surface is perpendicular to the second rack surface, the first teeth are formed on the first rack surface, and the second teeth are formed on the second rack surface.