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US 12,507,774 B2Granted
Foldable trolley case
AssigneeNingbo Port Zhongdi Luggage Manufacturing Limited
InventorWeiliang Lin
Life of this patent
Estimating the term…
Abstract
Provided is a foldable trolley case including a rear part (1), a foldable part (3) and a front part (2), which collectively form a case body, the rear part (1) is provided with a rod (4), the front part (2) is provided with a first cavity (5); in a folded state, the foldable part (3) is folded by the rear part (1) and the front part (2) and is accommodated in the first cavity (5), a top portion (6) is nested in the first cavity (5), a handle (7) having been retracted of the rod (4) is located within the top portion (6) or on a rear side of the top portion (6), the handle (7) is nested at least partially within the first cavity (5), a top surface of the front part (2) and the handle (7) together form a grab part.
Claims20
A foldable trolley case having an unfolded state and a folded state, the foldable trolley case comprising:
- a rear part (1) having a rear surface and a side surface extending from a periphery of the rear surface, a top portion of the rear part being provided with a retractable handle (7) that is connected to a rod (4), a bottom potion of the rear part being provided with a first foot (9);
- a front part (2) having a front wall opposite to the rear surface of the rear part (1), and a sidewall extending from a periphery of the front wall towards the rear surface, the front wall and the sidewall defining a first cavity (5) which opens facing towards the rear surface, and
- a foldable part (3) connected between the side surface of the rear part (1) and the side wall of the front part (2),
- wherein the rear part (1), the foldable part (3) and the front part (3) collectively form a case body;
- wherein in the unfolded state, the foldable part (3) and the rear part (1) are located outside of the first cavity (5) of the front part (3);
- wherein in the folded state, the foldable part (3) is accommodated in the first cavity (5) of the front part (2), the rear part (1) is partially accommodated in the first cavity (5) in such a way that the top portion (6) of the rear part together with the retracted handle is accommodated in the first cavity (5), the first foot at the bottom portion of the rear part is exposed outside, and the rear surface is oblique with respect to the front wall of the front part,
- wherein in the folded state, a top surface of the front part (2) and the retractable handle (7) are aligned in a vertical direction along which the rod (4) extends and together form a grab part to be lifted up by a single hand of a user to move the foldable trolley case;
- and the top surface of the front part (2) covers the retractable handle (7) in the vertical direction so that the retractable handle (7) is prevented from being extracted out from the rear part (1);
- and
- wherein in the folded state and in a stand state, a bottom of the foldable trolley case is arranged horizontally and is supported on ground surface, the front wall is arranged vertically, the rear surface of the rear part is inclined with respect to the front wall, and wherein the bottom of the foldable trolley case, the front part, and the rear surface together form an erect triangular steady-state support structure constituting of a first side, a second side and a third side intersecting one another, wherein the first side is supported on the ground surface and the second side extending vertically and upwardly away from the ground surface, and the third side extending inclinedly and upwardly away from the ground surface.
7 more elements
A foldable trolley case having an unfolded state and a fully folded state, the foldable trolley case comprising:
- a rear part (1) having a rear surface and a side surface extending from a periphery of the rear surface, a top portion of the rear part being provided with a retractable handle (7) that is connected to a rod (4), a bottom potion of the rear part being provided with a first foot (9);
- a front part (2) having a front wall opposite to the rear surface of the rear part, and a sidewall extending from a periphery of the front wall towards the rear surface, the front wall and the sidewall defining a first cavity which opens facing towards the rear surface, and
- a foldable part (3) connected between the side surface of the rear part (1) and the side wall of the front part (2),
- wherein the rear part (1), the foldable part (3) and the front part (2) collectively form a case body;
- wherein in the unfolded state, the foldable part (3) and the rear part (1) are located outside of the first cavity of the front part;
- wherein in the fully folded state, the foldable part (3) is accommodated in the first cavity (5) of the front part (2), the rear part (1) is partially accommodated in the first cavity (5) in such a way that the top portion (6) of the rear part (1) together with the retracted handle is accommodated in the first cavity (5), the first foot at the bottom portion of the rear part is exposed outside, and the rear surface is oblique with respect to the front wall of the front part (2);
- wherein in the fully folded state, a top surface of the front part (2) and the retractable handle (7) are aligned in a vertical direction along which the rod (4) extends and together form a grab part to be lifted up by a single hand of a user to move the foldable trolley case;
- and the top surface of the front part (2) covers the retractable handle (7) in the vertical direction so that the retractable handle (7) is prevented from being extracted out from the rear part (1);
- and
- wherein in the fully folded state, a top of the rear surface of the rear part (1) is positioned closer to the front wall of front part (2) than a bottom of the rear surface of the rear part (1).
7 more elements
A foldable trolley case having an unfolded state and a fully folded state, the foldable trolley case comprising:
- a rear part (1) having a rear surface and a side surface extending from a periphery of the rear surface, a top portion of the rear part being provided with a retractable handle (7) that is connected to a rod (4), a bottom potion of the rear part being provided with a first foot (9);
- a front part (2) having a front wall opposite to the rear surface of the rear part, and a sidewall extending from a periphery of the front wall towards the rear surface, the front wall and the sidewall defining a first cavity which opens facing towards the rear surface, and
- a foldable part (3) connected between the side surface of the rear part (1) and the side wall of the front part (2),
- wherein the rear part (1), the foldable part (3) and the front part (2) collectively form a case body;
- wherein in the unfolded state, the foldable part and the rear part are located outside of the first cavity of the front part;
- wherein in the fully folded state, the foldable part (3) is accommodated in the first cavity (5) of the front part (2), the rear part (1) is partially accommodated in the first cavity (5) in such a way that the top portion (6) of the rear part together with the retracted handle is accommodated in the first cavity (5), the first foot at the bottom portion of the rear part is exposed outside, and the rear surface is oblique with respect to the front wall of the front part;
- wherein in the fully folded state, a top surface of the front part (2) and the retractable handle (7) are aligned in a vertical direction along which the rod (4) extends and together form a grab part to be lifted up by a single hand of a user to move the foldable trolley case;
- and the top surface of the front part (2) covers the retractable handle (7) in the vertical direction so that the retractable handle (7) is prevented from being extracted out from the rear part (1);
- and
- wherein the foldable trolley case has a thickness measured from the front wall to the rear surface, and in the fully folded state, the thickness of the foldable trolley case is greater at a bottom of the foldable trolley case than at a top of the foldable trolley case.
7 more elements
Dependencies are inferred from the claim text.