Patent ID: 8209800
Filing Date: 2012-07-03
Classification: A47C,A61G

Abstract:
1. A single driver connecting structure for an electrical bed or chair comprising: a primary frame comprising a first structural component, a second structural component and a third structural component; the first structural component and the second structural component being pivoted together via a first connecting element, and the second structural component and the third structural component being pivoted together via a second connecting element; the first structural component having a securing aperture; the second structural component having at least one first angle bracket adjacent to the first structural component, the first angle bracket including a sliding slot; the third structural component having at least one second angle bracket adjacent to the second structural component, the second angle bracket including an aperture; a driver having a positioning portion at one end and an extendable rod at another end, the positioning portion pivoted to the securing aperture of the first structural component by way of a first pin, the extendable rod including a through hole at an end of the extendable rod, the through hole aligned with the sliding slot of the first angle bracket of the second structural component; and a link rod having a first aperture at one end and a second aperture at another end, the first aperture pivoted to the through hole of the driver with a control pin, the control pin slidable in and limited in the sliding slot of the first angle bracket of the second structural component, the second aperture and the aperture of the second angle bracket of the third structural component pivoted together with a second pin such that the driver drives the link rod to affect different movements of the primary frame.