trolley

Abstract

A trolley for transporting objects, comprising a frame; a wheel assembly attached to a face of the frame; a motorised device attached to at least two sides of the frame; and wherein the motorised device is adapted to effect horizontal and / or vertical movement of the frame.

Description

Technical Field

[0001] This invention relates to handcarts. More specifically, and though not exclusively, this invention relates to handcarts for carrying objects. Background Technology

[0002] Handcarts are tools commonly used for storing and transporting a certain amount of goods. These devices have become necessities in daily life and are now ubiquitous in many jobs and homes. However, while these devices are important and versatile in use, manually using them can be very challenging in certain situations, such as climbing up or down a flight of stairs, traversing uneven surfaces or stairs of varying width and height, or ascending or descending steep slopes. Patients, people with disabilities, and the elderly are particularly disadvantaged when using handcarts in these specific situations.

[0003] Some trolleys are specifically designed to potentially solve these problems, and these issues are well-known in the prior art. Some of these trolleys are designed to utilize a three-wheel configuration to make it easier for users to pull the trolley up and down a flight of stairs, while others utilize a motorized sprocket configuration to make it easier to move the trolley on slopes. However, many common problems associated with such trolley designs remain. These trolley designs often still require manual operation and are generally still unstable on uneven stairs or uneven surfaces.

[0004] Therefore, given the known problems, an improved handcart is still needed. Summary of the Invention

[0005] According to a first aspect of the invention, a handcart for transporting objects is provided, comprising: a frame; a wheel assembly attached to a surface of the frame; a motor attached to at least two surfaces of the frame; and The motor is adapted to influence the horizontal and / or vertical movement of the frame.

[0006] In one embodiment of the first aspect, the motorized device includes: a first three-arm assembly attached to a first side of the frame; and a second three-arm assembly attached to a second side of the frame. The first three-arm assembly and the second three-arm assembly each further include a first arm, a second arm attached to the first arm, and a third arm attached to the second arm; The first arm further includes a first displacement device; the second arm further includes a second displacement device; and the second arm is adapted to move horizontally from a first horizontal position to a second horizontal position via the first displacement device; and The third arm is adapted to move vertically from a first vertical position to a second vertical position via the second displacement device.

[0007] In one embodiment of the first aspect, the motorized device is adapted to configure the trolley to ascend and / or descend a flight of stairs.

[0008] In one embodiment of the first aspect, the motorized device further includes a handle attached to the first three-arm assembly and the second three-arm assembly, wherein the handle is adapted to move between a storage configuration and a moving configuration, wherein the handle is retracted in the storage configuration and wherein the handle extends over the top surface of the frame in the moving configuration.

[0009] In one embodiment of the first aspect, the handle further includes a controller, wherein the controller further includes a plurality of manual switches, wherein a first manual switch, when engaged, configures the trolley to automatically follow the user, wherein a second manual switch, when engaged, configures the trolley to ascend a flight of stairs, and wherein a third manual switch, when engaged, configures the trolley to descend a flight of stairs.

[0010] In one embodiment of the first aspect, the trolley further includes an RFID sensor connected to the controller, a motor connected to the controller, and an RFID tag; wherein the RFID tag is adapted to be carried by a user of the trolley, wherein the RFID sensor is configured to routinely scan for the presence of the RFID tag and communicate with the RFID tag, wherein when the RFID sensor detects the RFID tag, the motor drives the movement of the wheel assembly of the trolley to follow the user, and wherein when the RFID sensor does not detect the RFID tag, the motor stops driving the wheel assembly to move.

[0011] In one embodiment of the first aspect, the wheel assembly is adapted to ascend or descend a ramp.

[0012] In one embodiment of the first aspect, the wheel assembly can be configured to different heights.

[0013] In one embodiment of the first aspect, the trolley further includes a plurality of sensors for detecting obstacles.

[0014] In one embodiment of the first aspect, the first displacement device and the second displacement device are threaded screw displacement mechanisms or motor-driven lead screw mechanisms, or a combination of a hydraulic lift and a hydraulic jack. Attached Figure Description

[0015] Embodiments of the invention will now be described by way of example and with reference to the accompanying drawings.

[0016] Figure 1 A perspective view of one embodiment of the handcart is shown; Figure 2 A cross-sectional view of one embodiment of the handcart is shown; Figure 3 A side view of one embodiment of the handcart and a cross-sectional view of the arm assembly of the handcart are shown. Figure 4A A perspective view of the arm assembly of an embodiment of a handcart is shown, wherein the movement of the first arm and the third arm is indicated by arrows; Figure 4B A perspective view showing the horizontal movement of the arm assembly of one embodiment of the handcart is shown, indicated by arrows; Figure 4C A perspective view showing the vertical movement of the arm assembly of one embodiment of the handcart is shown, indicated by arrows; Figure 5 An embodiment of a trolley equipped with an RFID reader is shown, which is capable of scanning and detecting RFID tags carried by a user, thereby enabling the trolley to automatically follow the user; Figure 6 An embodiment of a handcart equipped with an accelerometer is shown, which enables the handcart to move up and / or down an inclined plane; Figure 7A An embodiment of a handcart equipped with solar panels is shown; and Figure 7B An embodiment of a handcart equipped with a GPS chip is shown. Detailed Implementation

[0017] Preferred embodiments of the invention will now be described with reference to the accompanying drawings and non-limiting examples.

[0018] This invention generally relates to an improved handcart, and in particular an improved handcart for transporting objects.

[0019] The first preferred embodiment of the present invention is shown in Figure 1 , 2 In 3 and 4A. For example Figure 1 and 2 As shown, the trolley is designated by reference number 10.

[0020] According to a first aspect of the invention, reference is made to Figure 1 , 2 3 and 4A provide a handcart 10 for transporting objects, comprising a frame 20, wheel assemblies 21 attached to surfaces 25 of the frame 20, and a motor 30 attached to at least two surfaces 25 of the frame 20. The motor 30 is adapted to influence the horizontal and / or vertical movement of the frame 20.

[0021] As used herein, the term "cart" refers to a mobile device or vehicle having at least two wheels and storage compartments designed for transporting objects. The cart 10 may not be limited to a specific design or size, as long as the cart serves the function or purpose of transporting objects.

[0022] As used herein, the term "frame" refers to the external shape or structure that forms the dimensions of the trolley. The frame 20 may not be limited to a particular design or size, as long as the trolley provides the function or purpose of storing objects. In one embodiment, the frame 20 includes an internal storage compartment. In another embodiment, the frame 20 includes a solid base for a user to stand on.

[0023] As used herein, the term "faces," in a geometric context, refers to the flat surface of the 3D shape of frame 20. References Figure 1 And 4, when viewed from certain angles (e.g.) Figure 1 When viewed in perspective, the faces 25 of the frame 20 can be designated as side 22, bottom 23, top 24, front 26, and back 27. Those skilled in the art will readily understand that the number or designation of faces 25 depends on the shape of the frame 20. In one embodiment, the frame 20 is spherical and has only one face.

[0024] As used herein, the term "wheel assembly" refers to the wheel configuration of a handcart. The wheel assembly 21 may not be limited to a specific wheel configuration, as long as that wheel configuration provides the function or purpose of moving the handcart 10. Figure 1 and 2 As shown, each wheel in wheel assembly 80 is connected to controller 60. In one embodiment, wheel assembly 21 is a two-wheel configuration. In one embodiment, wheel assembly 21 is a three-wheel configuration. In one embodiment, wheel assembly 21 is a four-wheel configuration. In one embodiment, wheel assembly 21 is a six-wheel configuration. In one embodiment, wheel assembly 21 is a multi-wheel track configuration. In one embodiment, wheel assembly 21 is attached to the bottom surface 23 of frame 20. In one embodiment, wheel assembly 21 is attached to the side surface 22 of frame 20.

[0025] As used herein, the term "motorised device" refers to an electrically driven device suitable for influencing the horizontal and / or vertical movement of frame 20.

[0026] In one embodiment, reference Figure 3The motorized device 30 includes a first three-arm assembly 40 attached to a first side 28 of the frame 20 and a second three-arm assembly 51 attached to a second side 29 of the frame 20. The first three-arm assembly 40 and the second three-arm assembly 51 each further include a first arm 41, a second arm 42 attached to the first arm 41, and a third arm 43 attached to the second arm 42. The first arm 41 also includes a first displacement device 45. The second arm 42 further includes a second displacement device 46. The second arm 42 is adapted to move horizontally from a first horizontal position to a second horizontal position via the first displacement device 45. The third arm 43 is adapted to move vertically from a first vertical position to a second vertical position via the second displacement device 46. Those skilled in the art will understand that the motorized device 30 may not be limited to only two arm assemblies. Those skilled in the art will understand that the motorized device 30 may include a single arm assembly or multiple arm assemblies, as long as the arm assemblies serve the same or similar function of vertically and / or horizontally moving the trolley 10. In one embodiment, the motorized device 30 includes a single arm assembly. In one embodiment, the motorized device 30 includes two or more arm assemblies. In one embodiment, the mobility device 30 includes two arm assemblies. In another embodiment, the mobility device 30 includes multiple arm assemblies.

[0027] Preferred embodiment of the arm assembly reference Figure 3 As shown in Figure 4.

[0028] like Figure 2 , 3 As shown in 4A, in a preferred embodiment of the arm assembly, the first arm 41 can be horizontally attached to the first side 28 and the second side 29 of the frame 20. In one embodiment, the first arm 41 is hollow and adapted to accommodate a first displacement device 45. The first displacement device 45 of the first arm 41 horizontally moves the trolley 10 by horizontally moving the second arm 42.

[0029] like Figure 2 , 3As shown in 4A, 4B, and 4C, in a preferred embodiment of the arm assembly, the second arm 42 can be attached perpendicularly to the first side 28 and the second side 29 of the frame 20 at a 90-degree angle relative to the first arm 41. In one embodiment, the second arm 42 is hollow and adapted to accommodate a second displacement device 46. A third arm 43 is attached to the second displacement device 46 of the second arm 42 by an attachment or fixing device. The second displacement device 46 moves the third arm 43 vertically. The second displacement device 46 is adapted to be attached to a first displacement device 45. In one embodiment, the second displacement device 46 is attached to the first displacement device 45 by a metal plate with screws, which secure the first displacement device 45 and the second displacement device 46 to either side of the metal plate. Those skilled in the art will readily understand that the second displacement device 46 can be attached or fixed to the first displacement device 45 by any attachment or fixing device, provided that the second displacement device 46 is securely attached or fixed to the first displacement device 45 when the second arm moves horizontally. In one embodiment, the second arm 42 is welded to the first displacement device 45. In one embodiment, the first arm 41 and the second arm 42 are integral. In another embodiment, the first arm 41 and the second arm 42 are two separate components.

[0030] like Figure 3 , 4A As shown in 4B and 4C, the third arm 43 is adapted to be attached to the second displacement device 46 by means of an attachment or fixing device. In one embodiment, the third arm 43 has a protrusion adapted to be fitted onto the second displacement device 46 and secured with screws. Those skilled in the art will readily understand that the third arm 43 can be attached to or secured to the second displacement device 46 by any attachment or fixing device, provided that the third arm 43 is securely attached or secured to the second displacement device 46 when the second displacement device 46 moves vertically. When displaced by the second displacement device 46 by the second arm 42, the third arm 43 causes the trolley 10 to move vertically upward or downward.

[0031] In one embodiment, the third arm 43 is welded to the second arm 42. In one embodiment, the second displacement device 46 is welded to the first displacement device 45. In one embodiment, the second arm 42 and the third arm 43 are integral. In one embodiment, the first arm 41, the second arm 42, and the third arm 43 are integral. In one embodiment, the first arm 41, the second arm 42, and the third arm 43 are three separate components.

[0032] like Figure 3 , 4AAs shown in 4B, the length of the first arm 41 is sufficient to allow the second arm 42 to be horizontally displaced from a first horizontal position to a second horizontal position. In one embodiment, the length of the first arm 41 is the same as the length of the side 22 of the frame 20. Those skilled in the art will readily understand that the length of the first arm 41 can be any length, as long as the first arm 41 still serves the same or similar function.

[0033] like Figure 3 , 4A As shown in 4B and 4C, the length of the second arm 42 is sufficient to allow the third arm 43 to be vertically displaced upwards or downwards from the first vertical position to the second vertical position. In one embodiment, the length of the second arm 42 may be the same as the vertical height of the side 22 of the frame 20. In one embodiment, the length of the second arm 42 is the same as the length of the first arm 41. In one embodiment, the length of the second arm 42 is shorter than the vertical height of the side 22 of the frame 20. Those skilled in the art will readily understand that the length of the second arm 42 can be any length, as long as it still serves the same or similar function. (See reference...) Figure 1 In one embodiment, the frame 20 includes a cover 140.

[0034] like Figure 3 As shown, in one embodiment of the arm assembly, the length of the third arm 43 may be the same as the length of the second arm 42. In another embodiment, as shown in FIG. 4, the length of the third arm 43 is longer than the length of the second arm 42. In one embodiment, when displaced completely vertically in the downward direction, the length of the third arm 43 will extend beyond the bottom surface 23 of the wheel assembly 21 and the frame 20. Those skilled in the art will understand that the length of the third arm 43 can be any length, as long as the third arm 43 still serves the same or similar function.

[0035] like Figure 3 As shown, in one embodiment, the arm assembly further includes a fourth arm 44 adapted to attach to the third arm 43 for stabilizing the trolley 10 when it moves vertically or horizontally.

[0036] In one embodiment, the first arm 41, the second arm 42, and the third arm 43 are rectangular rods. In another embodiment, the fourth arm 44 has the same shape and length as the third arm 43. In yet another embodiment, the fourth arm 44 is a flat base plate. Those skilled in the art will readily understand that the first arm 41, the second arm 42, the third arm 43, and the fourth arm 44 can be of any shape or form, as long as the arm assemblies still serve the same or similar function of vertically and / or horizontally moving the frame 20 of the trolley 10.

[0037] In one embodiment, the trolley 10 includes two arm assemblies. In another embodiment, the trolley 10 includes four arm assemblies. Those skilled in the art will understand that the trolley 10 may include multiple arm assemblies and still serve the same or similar function of moving the frame 20 of the trolley 10 vertically and / or horizontally on uneven terrain.

[0038] In a preferred embodiment, reference Figure 3 The first displacement device 45 and the second displacement device 46 are threaded screw displacement mechanisms or lead screw mechanisms driven by a motor. In one embodiment, the threaded screw displacement mechanism includes the interaction between a threaded bolt and a mating threaded component (e.g., a nut). When the bolt rotates, its threads engage with the threads of the nut, causing the nut to move linearly along the axis of the screw. (Reference) Figure 3 A threaded bolt housed in the first arm 41 is attached to another threaded bolt housed in the second arm 42 via a mating threaded nut. The interaction between the threaded bolt housed in the first arm 41 and the mating threaded nut horizontally displaces the second arm 42. A threaded bolt housed in the second arm 42 is attached to the third arm 43 via a mating threaded nut. The interaction between the threaded bolt housed in the second arm 42 and the mating threaded nut vertically displaces the third arm 43.

[0039] In one embodiment, the first displacement device 45 and the second displacement device 46 are a combination of a hydraulic lifting mechanism and a hydraulic jack mechanism. In another embodiment, the first displacement device 45 and the second displacement device 46 are a combination of a hydraulic screw lifting mechanism and a hydraulic screw jack mechanism. In another embodiment, the first displacement device 45 and the second displacement device 46 are a combination of a hydraulic mechanism and a pneumatic mechanism. In another embodiment, both the first displacement device 45 and the second displacement device 46 are hydraulic screw mechanisms. In another embodiment, both the first displacement device 45 and the second displacement device 46 are pneumatic mechanisms. In another embodiment, both the first displacement device 45 and the second displacement device 46 are pneumatic screw mechanisms. In another embodiment, both the first displacement device 45 and the second displacement device 46 are hydraulic-pneumatic mechanisms. In another embodiment, both the first displacement device 45 and the second displacement device 46 are pneumatic-pneumatic screw mechanisms. In another embodiment, the first displacement device 45 is a hydraulic mechanism. In another embodiment, the first displacement device 45 is a hydraulic jack mechanism. In another embodiment, the first displacement device 45 is a hydraulic screw jack mechanism. In another embodiment, the first displacement device 45 is a pneumatic mechanism. In one embodiment, the first displacement device 45 is a hydraulic-pneumatic mechanism. In one embodiment, the second displacement device 46 is a hydraulic mechanism. In one embodiment, the second displacement device 46 is a hydraulic lifting mechanism. In one embodiment, the second displacement device 46 is a hydraulic screw lifting mechanism. In one embodiment, the second displacement device 46 is a pneumatic mechanism. In one embodiment, the second displacement device 46 is a hydraulic-pneumatic mechanism. Those skilled in the art will readily understand that the first displacement device 45 and the second displacement device 46 can be any system, as long as the system still serves the same or similar function of vertically and / or horizontally moving the frame 20 of the trolley 10.

[0040] In one embodiment, the motorized device 30 is adapted to configure the trolley 10 to ascend and / or descend a flight of stairs. When a user intends to use the trolley 10 to ascend or descend a flight of stairs, the motorized device 30, including the first arm assembly 40 and the second arm assembly 51, configures the vertical and / or horizontal movement of the trolley 10.

[0041] In describing how the trolley 10 ascends a flight of stairs, the trolley 10, located at the bottom of the stairs, is moved until the frame 20 of the trolley 10 abuts against the first step. The second arm 42 is horizontally displaced by the first displacement device 45 until it abuts against the first step. Then, the third arm 43 is completely vertically displaced downwards by the second displacement device 46 of the second arm 42, extending the third arm 43 beyond the wheel assembly 21 and the bottom surface 23 of the frame 20, causing the trolley 10 to move vertically upwards and above the height of the first step. The second arm 42 is then horizontally displaced by the first displacement device 45 of the first arm 41, moving the entire trolley 10 onto the first step. The third arm 43 is then completely vertically displaced upwards by the second displacement device 46 of the second arm 42, and the second arm 42 is subsequently horizontally displaced by the first displacement device 45 of the first arm 41 until it abuts against the second step. The same process is repeated on subsequent steps.

[0042] In describing how the trolley 10 descends a flight of stairs, the trolley 10, located at the top of the stairs, is moved until a portion of the frame 20 of the trolley 10 is above the first step. The second arm 42 is horizontally displaced by the first displacement device 45, positioning the second arm 42 above the first step. The third arm 43 is then vertically displaced downwards by the second displacement device 46 of the second arm 42 until it reaches and abuts against the first step. The second arm 42 is then horizontally displaced by the first displacement device 45 of the first arm 41, positioning the entire trolley 10 on the first step. The third arm 43 is then vertically displaced upwards by the second displacement device 46 of the second arm 42, lowering the entire trolley 10 vertically downwards to abut against the first step. The same process is repeated on subsequent steps.

[0043] In one embodiment, such as Figure 1 and 2 As shown, the motorized device 30 also includes a handle 50 attached to the first three-arm assembly 40 and the second three-arm assembly 51. In one embodiment, the handle 50 is a retractable handle. In another embodiment, the handle 50 is a non-retractable handle. The handle 50 is adapted to move between a storage configuration and a moving configuration, wherein the handle 50 is retracted in the storage configuration and extends above the top surface 24 of the frame 20 in the moving configuration, and the handle 50 can be fully extended for manual pulling or pushing by a user.

[0044] In one embodiment, the handle 50 further includes a controller 60, which includes a plurality of manual switches to change the function of the trolley 10, wherein when engaged by a user, a first manual switch 61 configures the trolley to automatically follow the user, a second manual switch 62 configures the trolley to ascend one flight of stairs, and a third manual switch 63 configures the trolley to descend one flight of stairs. In one embodiment, reference... Figure 1 and 2 The controller 60 can be housed within the frame 20, and manual switches are located on the handle 50. Electrical leads embedded in the handle 50 connect the controller 60 to a plurality of switches. Engaging the second manual switch 62 or the third manual switch 63 will cause the controller 60 to communicate with the arm assembly to automatically raise or lower the trolley 10. In one embodiment, if the user does not engage any manual switches, the controller 60 will not be engaged to activate any function, and the trolley 10 can be manually pulled by the user.

[0045] refer to Figure 1 and 2 In one embodiment, the trolley also includes an automatic tracking system, such as an RFID sensor 70 connected to the controller 60 via electrical leads. The motor 132 is connected to the controller 60 via electrical leads, as well as the RFID tag 71. (See reference) Figure 5 The RFID tag 71 is suitable for use by the user of the trolley 10. (Reference) Figure 5 The RFID sensor 70 is configured to routinely scan for and communicate with the RFID tag 71. When the RFID sensor 70 detects the RFID tag 71, the motor 132 drives the movement of the wheel assembly 80 of the trolley 10 to follow the user. When the RFID sensor 70 does not detect the RFID tag 71, the motor 132 disengages from the movement of the wheel assembly 80. In one embodiment, the motor 132 is powered by a portable charger (not shown or referenced in any figure). In one embodiment, the motor 132 is a rechargeable motor including a portable power source (not shown or referenced in any figure) to store and provide electrical energy to drive the movement of the trolley 10. In one embodiment, the motor 132 is a rechargeable motor including a portable power source, wherein a charging port 130 is mounted within the frame 20 for the user to connect an electrical lead or portable charger to charge the motor 132. In one embodiment, reference... Figure 7A The motor 132 is a rechargeable motor, including a mobile power source connected to a solar panel 150 mounted on the frame 20 to store and / or generate electrical charge. In one embodiment, the motor 132 is a gasoline engine. In another embodiment, the motor is a diesel engine.

[0046] Those skilled in the art will understand that any RFID sensor and tag system can be used and still serve the same or similar functions. In one embodiment, the RFID sensor and tag system uses a low-frequency band from 30 kHz to 300 kHz. In one embodiment, the RFID sensor and tag system uses a high-frequency band from 3 to 30 MHz. In one embodiment, the RFID sensor and tag system uses an ultra-high-frequency band from 300 MHz to 3 GHz. The RFID tag can be of any shape or form and still serves the same or similar functions of communicating with the RFID sensor, and is small enough to be carried by the user. Those skilled in the art will also understand that any alternative automatic tracking system using the RFID sensor and tag system can be used and still serve the same or similar functions. Alternatives to RFID, such as ultra-wideband (UWB), GPS, near-field communication (NFC), Bluetooth, Wi-Fi, QR codes, and / or barcodes, can be used to establish a tracking connection between the trolley 10 and the user.

[0047] In one embodiment, the trolley 10 includes multiple sensors 90 to ensure that the trolley 10 detects moving or stationary objects to prevent the trolley 10 from unintentionally colliding with a user, to detect steps when ascending or descending stairs, and to maintain a certain distance from the user when the trolley 10 is selected in "auto mode" to automatically follow the user. In one embodiment, the multiple sensors 90 may be mounted within the frame 20. The multiple sensors 90 are connected to the controller 60. In one embodiment, the sensors 90 may be mounted within the first arm assembly 40 and the second arm assembly 51. In one embodiment, the multiple sensors 90 may be cameras, radar, infrared, ultrasonic sensors, LiDAR (light detection and ranging), GNSS (Global Navigation Satellite System), or in-cabin sensors, or combinations thereof. Those skilled in the art will understand that any number of sensors can be installed in the trolley 10 to ensure that the trolley 10 can identify and mitigate any risks. In one embodiment, multiple sensors 90 enable the trolley 10 to scan and detect uneven surfaces or uneven stairs, and the controller 60 automatically controls the arm assemblies to function accordingly. In one embodiment, multiple sensors 90 are mounted on the first arm assembly 40, the second arm assembly 51, the side 22, the bottom 23, and the top surface 24 of the frame 20 to enable the trolley 10 to detect steps when ascending or descending stairs.

[0048] In one embodiment, reference Figure 6The wheel assembly 80 is adapted to ascend or descend a slope. In one embodiment, the trolley 10 has an accelerometer 170 mounted within the frame 20 to detect and measure the tilt of the x, y, and z axes, so that the wheel assembly 80 can be raised or lowered as the trolley 10 moves up or down the slope, ensuring that the bottom of the trolley 10 remains horizontal relative to the slope's plane of inclination. In one embodiment, the wheel assembly 80 can be configured to different heights depending on the steepness of the slope.

[0049] In one embodiment, reference Figure 1 The trolley 10 includes LED indicator lights 120 adapted to switch to different colors mounted within the frame 20 of the trolley 10. In another embodiment, the trolley 10 includes multiple LED indicator lights 120 of different colors mounted within the frame 20 of the trolley 10. The LED lights 120 can change to different colors depending on which of a plurality of switches on the handle 50 is engaged by the user. The LED lights 120 can also change to different colors depending on whether the RFID sensor 70 successfully or fails to detect the RFID tag 71. In one embodiment, the LED lights 120 flash or blink as a warning light to alert others to the movement of the trolley 10. In one embodiment, multiple LED lights 120 can be mounted inside the compartment of the frame 20 to illuminate the interior of the frame 20, allowing the user to see inside the compartment of the frame 20. In one embodiment, multiple LED lights 120 are mounted within the frame 20, emitting light to illuminate the user and the environment around the trolley 10 when the user passes through dark or low-light areas.

[0050] In one embodiment of the invention, a software application 161 is provided to enable a user to control and / or operate and / or configure the trolley 10. In one embodiment, the controller 60 further includes a central processing module (not shown or referenced in any figure) having a memory module (not shown or referenced in any figure) and a storage module (not shown or referenced in any figure). The central processing module, memory module, and storage module allow the controller 60 to execute or run customized commands input by the user through the software application 161. The software application 161 may be a software application installed on a computer or mobile phone. The memory module includes random access memory for temporarily storing data and instructions. The storage module includes solid-state data storage for storing data in a more persistent manner.

[0051] In one embodiment, the trolley 10 includes a Global Positioning System (GPS) tracker 160 mounted within the frame 20 of the trolley 10. In one embodiment, the GPS tracker 160 is linked to a software application 161 running on a smartphone. Through the software application 161, a user can program the trolley 10 to automatically travel from point A to point B along a predetermined route. Through the software application 161, the user 10 can use the application to locate the trolley 10 in case it deviates from its route and is lost, or becomes idle in a specific location due to mechanical problems. In one embodiment, the user can use the software application 161 to switch the functionality of the trolley 10 to different modes, instead of the user manually and physically engaging multiple switches located on the handle 50.

[0052] In one embodiment, the trolley 10 also includes an output system (not shown or referenced in any figure). The output system is adapted to display messages to a user. Typically, the output system includes an LED, LCD, or OLED display and a speaker.

[0053] In one embodiment, the trolley 10 also includes a communication module (not shown or referenced in any figure). The communication module allows the trolley 10 to connect to different networks, including mobile phone networks, the Internet, or short-range connections. In one embodiment, the short-range connection is a Bluetooth connection.

[0054] In one embodiment, the trolley 10 is a single unit or Figure 1 and 2 The various components of the trolley 10 referenced herein are made of durable and lightweight materials, such as aluminum or heavy-duty polymer plastics. In one embodiment, the arm assembly is made of durable and lightweight materials, such as aluminum or tubular steel. Those skilled in the art will readily understand that... Figure 1 and 2 The various components of the trolley 10 described herein may be made of different materials. Those skilled in the art will readily understand that the various components of the trolley 10 may be made of any material and serve a similar function or purpose.

[0055] Throughout this specification, the word “comprising” or variations thereof such as “including” or “comprising” will be understood to mean including the stated components, integers or steps, or a group of components, integers or steps, but not excluding any other components, integers or steps, or a group of components, integers or steps.

[0056] Those skilled in the art will recognize that many variations and / or modifications can be made to the invention as illustrated in the specific embodiments without departing from the spirit or scope of the invention as broadly described. Therefore, these embodiments should be considered illustrative rather than restrictive in all respects.

[0057] Unless otherwise stated, any references to prior art contained herein shall not be construed as an admission that the information is common general knowledge.

Claims

1. A handcart for transporting objects, characterized in that, include: frame; Wheel components attached to the face of the frame; Mobility device attached to at least two sides of the frame; as well as The motor is adapted to influence the horizontal and / or vertical movement of the frame.

2. The handcart according to claim 1, characterized in that, The aforementioned motor assembly includes: a first three-arm assembly attached to a first side of the frame; and a second three-arm assembly attached to a second side of the frame. The first three-arm assembly and the second three-arm assembly each further include a first arm, a second arm attached to the first arm, and a third arm attached to the second arm; The first arm further includes a first displacement device; the second arm further includes a second displacement device. Wherein, the second arm is adapted to move horizontally from a first horizontal position to a second horizontal position via the first displacement device; and The third arm is adapted to move vertically from a first vertical position to a second vertical position via the second displacement device.

3. The handcart according to claim 2, characterized in that, The first displacement device and the second displacement device include a screw displacement mechanism or a lead screw mechanism driven by a motor, or a combination of a hydraulic lift and a hydraulic jack.

4. The handcart according to claim 2, characterized in that, The motorized device further includes handles attached to the first three-arm assembly and the second three-arm assembly, wherein the handles are adapted to move between a storage configuration and a moving configuration, wherein the handles are retracted in the storage configuration and wherein the handles extend above the top surface of the frame in the moving configuration.

5. The handcart according to claim 4, characterized in that, The handle also includes a controller, which further includes a plurality of manual switches, wherein a first manual switch, when engaged, configures the trolley to automatically follow the user, a second manual switch, when engaged, configures the trolley to ascend one flight of stairs, and a third manual switch, when engaged, configures the trolley to descend one flight of stairs.

6. The handcart according to claim 1, characterized in that, The trolley further includes an RFID sensor connected to the controller, a motor connected to the controller, and an RFID tag; wherein the RFID tag is adapted to be carried by a user of the trolley, wherein the RFID sensor is configured to routinely scan for the presence of the RFID tag and communicate with the RFID tag, wherein when the RFID sensor detects the RFID tag, the motor drives the movement of the wheel assembly of the trolley to follow the user, and wherein when the RFID sensor does not detect the RFID tag, the motor stops driving the wheel assembly to move.

7. The handcart according to any one of claims 1 to 6, characterized in that, The motorized device is adapted to configure the trolley to ascend and / or descend a flight of stairs.

8. The handcart according to any one of claims 1 to 6, characterized in that, The wheel assembly described therein is adapted to ascend or descend a ramp.

9. The handcart according to any one of claims 1 to 6, characterized in that, The wheel assembly can be configured to different heights.

10. The handcart according to any one of claims 1 to 6, characterized in that, The trolley also includes multiple sensors for detecting obstacles.

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