Patent ID: 6101649
Filing Date: 2000-08-15
Classification: A47C,A61G

Abstract:
A mechanized foldable bed structure having a front frame assembly (10) composed of a first frame member (11) and a second frame member (12) pivotally connected with the first frame member (11) and a rear frame assembly (101) composed of a third frame member (13) pivotally connected with the second frame member (12) and a fourth frame member (14) pivotally connected with the third frame member (13), the structure comprising:a motor (20) securely mounted under the bed;a driving rod (21) extendably connected with the motor (20);a first connecting rod (23) pivotally connected with the driving rod (21);a second connecting rod (25) pivotally connected with the first connecting rod (23);a tube (24) securely mounted under the bed for receiving the second connecting rod (25) therethrough;a third connecting rod (26) whose first end is pivotally connected with the second connecting rod (25);a first connector (22) securely connected under the first frame member (11) and pivotally connected with the driving rod (21);a second connector (27) securely connected under the third frame member (13) and pivotally connected with a second end of the third connecting rod (26);a transverse rod (31) firmly and transversely mounted under the rear frame assembly (101); anda link (32) whose first distal end is pivotally connected with the transverse rod (31) and whose second distal end is pivotally connected with the free side of the fourth frame member (14);whereby the fourth frame member (14) is able to horizontally move with respect to the bed.