Hand truck for gripping, moving, loading and securing an industrial compressed gas cylinder in a utility vehicle
The hand truck addresses instability and safety issues by incorporating stabilizing elements and indexed positions with magnetic attachment, enabling safe and efficient handling of gas cylinders.
Patent Information
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Filing Date
- 2025-01-08
- Publication Date
- 2026-07-10
AI Technical Summary
Existing hand trucks for industrial gas cylinders lack effective holding systems, leading to user injury, instability, and dangerous manual handling during loading and securing processes.
A hand truck with two stabilizing elements, additional wheels, and a stabilizing support leg, allowing for secure gripping, stable maneuverability, and safe loading and securing of gas cylinders through indexed positions and magnetic attachment.
Ensures safe and efficient handling of gas cylinders by providing stability, ease of maneuverability, and secure attachment, reducing the risk of user injury and manual labor.
Smart Images

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Abstract
Description
Title of the invention: Hand truck for gripping, moving, loading and securing an industrial compressed gas cylinder in a utility vehicle
[0001] The present invention relates to a hand truck for gripping, moving, loading, and securing an industrial compressed gas cylinder in a utility vehicle. This hand truck consists of two frames: a rotating frame equipped in its lower part with a stabilizing assembly called the "lower ear," which includes a shovel in its lower part and two small additional wheels, and in its upper part with another stabilizing assembly called the "upper ear," which incorporates a strong commutating magnet, all surmounted by an adjustable handle; and a rolling frame equipped with two wheels for movement and a stabilizing stand. The two frames are connected by a rotating axis and can be indexed in different positions corresponding to the different functions of the invention, namely gripping, moving, loading, and securing the cylinder in a vehicle, referred to respectively as position 1, position 2, position 3, and position 4.
[0002] Most hand trucks used for moving industrial gas cylinders do not have a holding system, forcing the user to hold the cylinder while moving the hand truck, which risks injuring the user.
[0003] Some of these hand trucks are equipped with straps or complex restraint systems which render them inoperative because they are too cumbersome or costly to implement.
[0004] Moving bottles on hand trucks equipped with only two wheels is dangerous for the user because he alone stabilizes the load.
[0005] Loading and turning the bottles in the vehicles is done manually, which, given their significant weight, is dangerous for the user.
[0006] Securing bottles in vehicles is impractical, tedious, and even dangerous.
[0007] The present invention overcomes these drawbacks. Firstly, it comprises two stabilizing elements: one in the lower part, called the "lower ear," conforming to the diameter of the bottle, and a shovel in the lower part supporting the bottle in a vertical position; and one in the upper part, called the "upper ear," composed of two metal plates conforming to the diameter of the bottle, with a commutating magnet machined to the diameter of the bottle in the center, ensuring its secure attachment to the hand truck in all intended positions. Secondly, it comprises two additional wheels fixed to an axle passing through the rotating frame, which, by indexing to the rolling frame, In position 2, the hand truck transforms into a four-wheeled hand truck, providing good stability and easy maneuverability. Thirdly, it features a stabilizing support leg controlled by an indexable lever. The user lowers this leg fully so that it rests on the ground, allowing the bottle to be lifted from the ground by pushing on the handlebar while simultaneously disengaging it from position 2. In position 3, the bottle, now horizontal, will automatically index itself in this position. The user can then move the hand truck towards the vehicle and roll it along the floor using the additional wheels. The hand truck with the bottle can then be raised using the handlebar in the vertical position, disengaging it from position 3 and lowering the rotating frame, which will automatically index itself back to position 1. The entire assembly can then be safely moved into the vehicle.Fourthly, it includes a support fixed in the vehicle at the corresponding height into which the bottle is inserted; the user only has to clip the clips on either side of the upper ears to fix the assembly to the vehicle, position 4.
[0008] The attached drawings illustrate the invention.
[0009] [Fig.1] represents a perspective view of the invention.
[0010] [Fig.2] represents another perspective view of the invention.
[0011] [Fig.3] represents a side view in position 1.
[0012] [Fig.4] represents a side view in position 2.
[0013] [Fig.5] represents a side view in position 3.
[0014] [Fig.6] represents a side view in position 4.
[0015] With reference to these drawings, the devil is intended to support a B20 type gas cylinder. It consists of two frames, a rolling frame (1) assembled by a rotation axis (2) to the second frame, a rotating frame (3).
[0016] The rolling frame (1) fits into the rotating frame (3) in position 1 thanks in particular to the positioning sleeve (4), it indexes in position 2 thanks in particular to the positioning sleeve (5) and in position 3 thanks in particular to the positioning sleeve (6), it has two wheels (7) mounted on an axle (8) as well as a pallet (9) reinforcing the maneuver for the user in position 3, it is also equipped with a sliding and biocable stabilizing support leg (10) by an indexable lever (11)
[0017] The rotating frame (3) consists of two additional wheels (12) mounted on an axle (13) in its lower part, as well as a welded assembly called the lower ear (14) comprising a scoop in its lower part (15) and an ear (16) in its upper part, serving to support and stabilize the bottle. In the upper part above the axis of rotation (2) is fixed a welded assembly called the upper ear (17) composed of two ears (16) encompassing the magnet (18), the switching of which is ensured by the handle (19). At its end, a sheet metal closes the profile and a flange (20) secures The adjustable linkage is attached to a connecting tube (21), while another flange (22) ensures the adjustment of the handlebar (23). The entire assembly is covered by a cap (24). Indexing in positions 1 and 4 is achieved by the indexing finger (25), and in positions 2 and 3 by the indexing finger (26).
[0018] A device called a hand truck, for gripping, moving, loading and securing an industrial-type compressed gas cylinder in a utility vehicle, characterized in that it comprises two frames, one called a rolling frame (1) assembled by a rotation axis (2) and fitting into another frame called a rotating frame (3). The two frames are indexable in different positions relative to each other: position 1 for gripping, position 2 for moving, position 3 for loading and position 4 for securing, thanks in particular to positioning bushings (4), (5) and (6) and corresponding indexing fingers (25) for positions 1 and 4 and (26) for positions 2 and 3.
[0019] The frame called the rolling frame (1) has two wheels (7) mounted on an axle (8) sufficiently offset from the bottle so that the latter in position 3 rises above the floor of a utility vehicle.
[0020] The frame called the rolling frame (1) includes a pallet (9) such that it is perpendicular to the ground in position 3.
[0021] The rolling frame (1) incorporates a sliding and adjustable stabilizing support leg controlled by an indexable lever, such that this support leg, when in its upper position, does not interfere with its integration into the rotating frame (3) and is level with the floor when in its lower position.
[0022] The rotating frame (3) incorporates two additional wheels (12) on its lower part mounted on an axle (13) such that when the hand truck is in position 1, they are on the same plane as the wheels (7) of the rolling frame (1).
[0023] The rotating frame (3) has in its lower part a welded mechanical assembly called a lower ear consisting of a shovel (15) in the lower part supporting the bottle and an ear (16) in the upper part such that the lower level of the shovel (15) is on the same plane as the wheels (7) and (12) the dolly being in position 1.
[0024] The ears (16) of the two welded assemblies upper ear(17) and lower ear(14) have a diameter equivalent to that of the transported gas cylinder.
[0025] The upper ear assembly (17) is fixed to the rotating frame (3) on either side and at an equal distance from a switching magnet (18) such that its contact face has an equivalent diameter and is concentric with the contact faces of the ears (16) to that of the transported bottle.
[0026] The bottle support (27) is fixed to the vehicle in such a way that two clips (28) fit into their respective support (29) in order to securely lock the dolly and the bottle vertically in position 4.
[0027] The embodiment shown on B20 type bottles can easily be transposed and adapted to B50 type bottles.
Claims
Demands
1. A device called a hand truck, for gripping, moving, loading and securing in a utility vehicle a compressed gas cylinder of industrial type, characterized in that it comprises two frames, one called a rolling frame (1) assembled by a pivot (2) and fitting into another frame called a rotating frame (3). The two frames are indexable in different positions relative to each other: position 1 for gripping, position 2 for moving, position 3 for loading and position 4 for securing, thanks in particular to positioning bushings (4), (5) and (6) and corresponding indexing fingers (25) for positions 1 and 4 and (26) for positions 2 and 3.
2. Device according to claim 1 characterized in that the frame said to be the rolling frame (1) has two wheels (7) mounted on an axle (8) sufficiently offset from the bottle so that the latter in position 3 rises above the floor of a utility vehicle.
3. Device according to claim 1 characterized in that the frame said to be the rolling frame (1) comprises a pallet (9) such that it is perpendicular to the ground in position 3.
4. The device according to claim 1, characterized in that the rolling frame (1) incorporates a sliding and adjustable stabilizing support leg controlled by an indexable lever, such that this support leg, in its upper position, does not interfere with its integration into the rotating frame (3) and is level with the floor in its lower position.
5. Device according to claim 1 characterized in that the rotating frame (3) incorporates two additional wheels (12) on its lower part mounted on an axle (13) such that the hand truck in position 1, they are on the same plane as the wheels (7) of the rolling frame (1).
6. Device according to claim 1 characterized in that the rotating frame (3) comprises in its lower part a welded assembly called lower ear consisting of a shovel (15) in the lower part supporting the bottle and an ear (16) in the upper part such that the lower level of the shovel (15) is on the same plane as the wheels (7) and (12) the hand truck being in position 1.
7. Device according to claim 6 characterized in that the ears (16) of the two welded assemblies upper ear(17) and lower ear(14) have a diameter equivalent to that of the transported gas cylinder.
8. Device according to claim 7 characterized in that the upper ear assembly (17) is fixed to the rotating frame (3) on either side and at an equal distance from a switching magnet (18) such that its contact face has an equivalent diameter and is concentric with the contact faces of the ears (16) to that of the transported bottle.
9. Device according to any one of the preceding claims characterized in that the bottle support (27) is fixed to the vehicle such that two toggle clamps (28) fit into their respective support (29) in order to securely lock the dolly and the bottle vertically in position 4.