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US 12,240,264 B2Granted
Foldable file
OwnerShengzhou Liinventor
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a foldable file comprising a first panel, a second panel, and a third panel arranged and coupled together in sequence, the first panel and the second panel hinged by a first hinge assembly, and the second and third panel hinged by a second hinge assembly, enabling the foldable file to switch between an unfolded state and a folded state, wherein at least one lower side edge of the third panel includes a convex edge, and the convex edge protrudes outward compared to a corresponding upper side edge of the first panel.
Claims17
A foldable file, comprising:
- a first panel, a second panel, and a third panel arranged and coupled together in sequence, the first panel and the second panel hinged by a first hinge assembly, the second panel and the third panel hinged by a second hinge assembly, so as to enable the foldable file to be switched between an unfolded state that the first panel, the second panel and the third panel are arranged as a flat panel and a folded state that the first panel, the second panel and the third panel are stacked up along a thickness direction of the foldable file, wherein the second panel is located at a bottom layer of the stacked-up foldable file,
- wherein the first panel comprises a first left side edge and a first right side edge arranged opposite to the first left side edge, the first left side edge and the first right side edge couple to the first hinge assembly, the third panel comprises a third left side edge and a third right side edge arranged opposite to the third left side edge, the third left edge and the first left edge are both on the same side of the foldable file, the third left side edge and the third right side edge couple to the second hinge assembly;
- and
- wherein at least one of the third left side edge and the third right side edge comprises a hinge installation portion to where the second hinge assembly is mounted, a free end portion comprising a corner of the third panel, and a connecting portion located between the free end portion and the hinge installation portion, the connecting portion comprises a protrusion portion, and the protrusion portion protrudes outwardly from the hinge installation portion, and from the corresponding side edge of the first panel in the folded state, wherein the first hinge assembly is arranged on the first panel and the second panel, the first hinge assembly comprises two upper hinges arranged on both sides of the foldable file respectively, each upper hinge includes a first outer bracket, a first inner bracket, and a first pin, the first outer bracket is rotatably connected to the first inner bracket via the first pin, the first outer bracket is farther away from a centerline of the foldable file than the first inner bracket, and a structure of the first outer bracket is different from that of the first inner bracket, the first outer bracket of each upper hinge is located on one of the first panel and the second panel, and the first inner bracket is located on the other of the first panel and the second panel.
1 more element
A foldable file, comprising:
- a first panel, a second panel, and a third panel arranged and coupled together in sequence, the first panel and the second panel hinged by a first hinge assembly, and the second and third panel hinged by a second hinge assembly, so as to enable the foldable file to be switched between an unfolded state that the first panel, the second panel and the third panel are arranged as a flat panel and a folded state that the first panel, the second panel and the third panel are stacked up along a thickness direction of the foldable file,
- wherein the first panel comprises a first side edge coupled to the first hinge assembly, the third panel comprises a third side edge coupled to the second hinge assembly, the third side edge and the first side edge are both on the same side of the foldable file,
- in the folded state, at least a portion of the first side edge and the third side edge are misaligned with each other in the thickness direction of the foldable file to form a protrusion portion protruding outward beyond the first side edge at the third side edge, such that the user's finger contacts the protruding portion without contacting the first panel when opening the folding panel, wherein each of the first hinge assembly and the second hinge assembly includes two hinges, each hinge includes an outer bracket, an inner bracket, and a pin, the outer bracket is rotatably connected to the inner bracket via the pin, the outer bracket is farther away from a centerline of the foldable file than the inner bracket, and a plane area of the outer bracket is greater than a plane area of the inner bracket, and the outer bracket completely covers an outer edge of the inner bracket opposite to a joint side of the outer bracket when the foldable file is in the folded state.
Dependencies are inferred from the claim text.