Power-driven bed

US 6,499,162 B1
Power-driven bed
Yung-Hsiang Lu, Chiayi (Taiwan)
Assigned to Kuo-Heey Chang, Chiayi (Taiwan)
Filed on 04-Oct-2000, as Appl. No. Kuo-Heey Chang, Chiayi (Taiwan)
Int. Cl.7A61G 7/015

US 6,499,162 B1 Power-driven bed Yung-Hsiang Lu, Chiayi (Taiwan) Assigned to Kuo-Heey Chang, Chiayi (Taiwan) Filed on Oct. 04, 2000, as Appl. No. 9/678,790. Int. Cl.7A61G 7/015 U.S. Cl. 58212;618 4 Claims 1. A power-driven bed, comprising: a base; a sliding frame laterally mounted on an upper surface of said base; a power driven motor mounted to said base, said power driven motor including a piston rod, said piston rod being connected to said sliding frame; four bedplate frames defining a first bedplate fame, a second bedplate frame, a third bedplate frame and a fourth bedplate frame, said bedplate frames being connected to each other and aligned horizontally, respectively, said second bedplate frame having a lateral side connected to an upper lateral side of said sliding frame; and, three link bars defining a first link bar, a second link bar and a third link bar, said first link bar having a first and bring connected to said first bedplate frame and a second end being connected to said base, said second link bar having a first end being connected to said third bedplate being and a second end being connected to said base, said third link bar having a first end being connected to said fourth bedplate frame and a second end being connected to said base, whereby said piston rod forces said sliding frame and said second bedplate frame to shift pivoting said first bedplate frame, said third bedplate frame, said fourth bedplate frame, and said link bars to pivot and generate different inclined angles to meet a users positioning needs when said power driven motor is activated.