Patent ID: 7661159
Filing Date: 2010-02-16
Classification: A47C

Abstract:
1. A stronger foldable bed comprising: a frame having: a first left side beam and a second left side beam pivotally connected to a left central link, a first right side beam and a second right side beam pivotally connected to a right central link, a tilt leg being respectively tilt to a free end of each said side beam and pivotally connected to each said side beam near a free end of each said side beam, a first end bar pivotally connected to a free end of said first left side beam at one end thereof and to a free end of a tilt leg of an opposite side at a free end thereof, an opposite first end bar pivotally connected to a free end of said first right side beam at one end thereof and to a free end of a tilt leg at a free end thereof, said first and said opposite first end bars being hinged at about middle portions hereof and able to scissor with respect to each other, a second end bar being pivotally connected to a free end of said second left side beam at one end thereof and to a free end of a tilt leg of an opposite side at a free end thereof, an opposite second end bar being pivotally connected to a free end of said second right side beam at one end thereof and to a free end of a tilt leg at a free end thereof, said first and said opposite second end bars being hinged at about middle portions hereof and able to scissor with respect to each other, a sleeve covering on and being slidable with respect to each said tilt leg, a reinforcing bar pivotally connected to each said sleeve at one end thereof and to a side beam at a free end thereof at a position between where a tilt leg and an end bar are connected to a said side beam, a journey limit securely formed on each said tilt leg under each said sleeve, a middle leg of shape of a tube and fixed to each said central link, a telescoping leg contained in each of said middle leg, a foot installed at a free end of each said telescoping leg, a middle bar pivotally connected to said left central link at one end thereof and to a foot of an opposite side at a free end thereof, and, an opposite middle bar pivotally connected to said right central link at one end thereof and to a foot at a free end thereof, said middle bars being hinged at about the middle portion thereof and able to scissor with respect to each other; and, a cover attached to said frame.