초록 ▼

An accordion door includes two half-wings hinged along innermost vertically extending sides thereof, and pivotally supported at upper and lower ends of the outermost vertically extending sides of the door by arms which project from respective trucks slidably engaged with respective upper and lower g

An accordion door includes two half-wings hinged along innermost vertically extending sides thereof, and pivotally supported at upper and lower ends of the outermost vertically extending sides of the door by arms which project from respective trucks slidably engaged with respective upper and lower guide members. The trucks also include three pairs of wheels disposed on three axes orthogonal to each other. The wheels of each pair are fairly spaced apart and engage parallel and opposite surface of longitudinal elements making up the guide members. The trucks are thus confined to slide freely along only a horizontal axis defined by the guide members and cannot deviate from such an axis or from horizontal and vertical axes orthogonal thereto. The accordion door is supported at its lower part on arms of lower ones of the trucks and is suspended from arms of upper ones of the trucks which are quite elastic and are provided with an adjustment device that allows that part of the weight of the door loading the upper trucks to be adjusted. The trucks are also provided with spreading apart devices actuated by the same half-wings during the opening movement thereof, which spread apart the edges of the outermost sides of the accordion door from fixed surfaces which, at the closed position thereof, are adjacent thereto. Finally, the trucks include fixed spacer elements which space the trucks fairly far apart when the door is in the open position.

대표청구항 ▼

Accordion door structure of a piece of furniture, or the like, having a frame, said structure comprising: upper and lower guide members extending longitudinally and fixed at upper and lower parts of the frame, respectively; an accordion door including at least two wings having respective first verti

Accordion door structure of a piece of furniture, or the like, having a frame, said structure comprising: upper and lower guide members extending longitudinally and fixed at upper and lower parts of the frame, respectively; an accordion door including at least two wings having respective first vertically extending sides which confront one another and respective second vertically extending sides opposite thereto, and hinge means for hinging said wings to one another along a hinge axis extending vertically along said first sides thereof in a manner which allows said wings to be rotated relative to one another about said axis; support elements slidably mounted to said upper and said lower guide members, respectively; each of said support elements being a truck having a set of wheels rotatably supported thereon and an arm projecting therefrom so as to form a cantilever, two of the wheels in said set spaced along a y-axis extending transversely of said guide members and having axes of rotation parallel to said y-axis, two of the wheels in said set spaced from one another along an x-axis extending longitudinally of said guide members and orthogonal to said y-axis and having axes of rotation parallel to said y-axis, and two of the wheels in said set being spaced apart along said x-axis and having axes of rotation parallel to a z-axis orthogonal to both said x and said y axes; said wings of the accordion door being pivotally connected, at upper and lower ends of each of said second vertically extending sides thereof, to a said arm of a respective one of said support elements so as to be support in the piece of furniture, or the like, in a cantilever manner by said support elements; said support elements being slidable along said guide members so as to enable said accordion door to be moved between a closed position at which said wings thereof are coplanar, and an open position at which said wings are folded about said hinge axis and said second vertically extending sides are located close to one another; each of said support elements having spreading means, operatively connected to the respective one of said wings that is pivotally connected to the arm thereof, for causing the second vertically extending side of the respective one of said wings to translate in a direction along said guide members toward the first vertically extending side of said respective one of said wings when said respective one of said wings is pivoted about the arm of the support element to which it is pivotally connected, whereby when said accordion door is moved from said open position to said closed position thereof by sliding first ones of said support elements pivotally connected to one of said wings along said guide members toward second ones of said support elements pivotally connected to the other of said wings, said wings rotate relative to one another about said hinge axis and said other of said wings pivots about the arms of each of said support elements to which it is pivotally connected thereby causing the spreading means of said support elements pivotally connected to said other of said wings to move the second vertically extending side thereof away from any structure adjacent thereto in said closed position; and each of said support elements having a spacer fixed relative thereto, the fixed spacers of the support elements which are pivotally connected to one of said wings at the upper and lower ends of the second vertically extending side thereof being respectively aligned, in the longitudinal direction of said guide members, with the fixed spacers of the support elements which are pivotally connected to the other of said wings, the aligned spacers abutting one another when the accordion door is in said open position thereof so as to maintain said wings spread apart to a predetermined extent while said wings are folded about said hinge axis.