초록 ▼

A foldable bed frame including first coupling members each having an opening facing outwardly with respect to the frame being in an open state; two sets of longitudinal beams, each formed by two longitudinal bars having two free ends, and two inner ends pivotally connected within one of the openings

A foldable bed frame including first coupling members each having an opening facing outwardly with respect to the frame being in an open state; two sets of longitudinal beams, each formed by two longitudinal bars having two free ends, and two inner ends pivotally connected within one of the openings of the first coupling members. At least two transverse beams, each being formed by two transverse bars having first and second ends, the first ends respectively being pivotally connected together by a second coupling member. A plurality of third coupling members provided proximate to each free end of the longitudinal bars, each third coupling member having an opening facing inwardly with respect to the frame being in the open state, the opening being configured to pivotally connect one of the free ends of the longitudinal bars. A leg pivotally connected respectively proximate the free end of each longitudinal bar.

대표청구항 ▼

1. A foldable bed frame, which is expandable and collapsible into an open state and closed state, respectively, comprising: a plurality of first pivotal coupling members, each of which having a groove opening facing outwardly with respect to the bed frame being in the open state;a pair of longitudin

1. A foldable bed frame, which is expandable and collapsible into an open state and closed state, respectively, comprising: a plurality of first pivotal coupling members, each of which having a groove opening facing outwardly with respect to the bed frame being in the open state;a pair of longitudinal beams, each pair of longitudinal beams being formed by a pair longitudinal bars, each longitudinal bar having a free end and an inner end, wherein adjacent inner ends of each of the pair of longitudinal bars are pivotally connected together within one of the groove openings of one of the plurality of the first pivotal coupling members;a plurality of second pivotal coupling members;a pair of transverse beams, each transverse beam being formed by a pair of transverse bars, each transverse bar having a first end and a second end, wherein adjacent first ends of each of the pair of transverse bars are pivotally connected together by one of the plurality of second pivotal coupling members;a plurality of third pivotal coupling members each of which is respectively provided along an inner side of and proximate to each free end of the longitudinal bars, each third pivotal coupling member being configured to have an opening facing inwardly towards an opposing longitudinal beam while the bed frame is expanded to the open state, the opening of each third pivotal coupling member being configured to pivotally connect one of the second ends of one of the pair of transverse bars of each pair of transverse beams such that the transverse beams extend substantially normal to the longitudinal beams in the open state; anda plurality of legs, wherein a first portion of the plurality of legs comprises four legs that are independently movable, each of the four independently movable legs being pivotally connected to a corresponding lower side of the free end of each longitudinal bar. 2. The foldable bed frame according to claim 1, wherein the pair of first pivotal coupling members are U-shaped coupling members. 3. The foldable bed frame according to claim 1, wherein each of the plurality of second pivotal coupling members comprises a pair of plates. 4. The foldable bed frame according to claim 1, further comprising: a third transverse beam extending substantially normal between the pair of longitudinal beams and formed by a third pair of transverse bars, each of which having two first ends pivotally connected by one of the plurality of second pivotal coupling members and two second ends, each of which being affixed to one of the first pivotal coupling members, wherein the third transverse beam is positioned medially between each of the free ends of the pair of longitudinal beams. 5. The foldable bed frame according to claim 4, wherein a second portion of the plurality of legs comprises at least one auxiliary leg respectively being pivotally connected to at least one transverse beam. 6. The foldable bed frame according to claim 5, wherein each second pivotal coupling member located at the first ends of adjacent transverse bars of the each transverse beam are U-shaped coupling members having a respective auxiliary leg fixedly attached thereto. 7. The foldable bed frame according to claim 4, further comprising a pair of lateral legs that are independently movable, each of the pair of independently movable lateral legs being pivotally connected to a corresponding second end of the third pair of transverse bars. 8. The foldable bed frame according to claim 1, wherein each of the first portion of movable legs is pivotally connected to the longitudinal bars by a fourth pivotal coupling member. 9. The foldable bed frame according to claim 8, wherein each of the fourth pivotal coupling members includes a pair of substantially L-shaped plates and an intermediate member formed between opposing edges of the pair of plates. 10. The foldable bed frame according to claim 1, wherein the plurality of second pivotal coupling members are U-shaped.