Patent ID: 8931126
Filing Date: 2015-01-13
Classification: A61G

Abstract:
1. An electric bed with a sliding block linkage comprising: a. a head board; b. an inner frame; c. an outer frame; d. a head supporting part, wherein two ends of the head supporting part are in rotatable connection with the head board and the outer frame, wherein the inner frame is in sliding connection with the outer frame and the head board is in rotatable connection with the inner frame; and e. a sliding block linkage comprising a driving device used for driving the inner frame to move relative to the outer frame, wherein relative sliding in a horizontal direction controls a horizontal movement distance of the head board wherein, the inner frame is positioned on the outer frame and movably connected with it by a sliding chute, wherein the inner frame is driven by a motor to horizontally move relative to the outer frame, wherein the sliding block linkage further comprises a pull rod, wherein an arc-shaped elongated slot is arranged in the middle of the head board, wherein one end of the pull rod is hinged with the side of the inner frame, and another end is hinged in the arc-shaped elongated slot of a crank.