Height-Adjustment System

Abstract

A height-adjustment system is a system designed to facilitate the manual adjustment of the corresponding device in a cost-effective, practical, and ergonomically friendly manner. The system includes at least one height-adjustable leg implemented into a specific device such as a table, chair, electronic device support, etc. The height-adjustable leg is a telescopic structure that can be adjusted in length. By adjusting the length of the height-adjustable leg, the corresponding device's height is also adjusted. The height-adjustable leg includes a tubular rod, a tubular sleeve, a spring-loaded pin, a plurality of pin-receiving features, and a trigger mechanism. The tubular rod and the tubular sleeve are the telescopic components of the height-adjustable leg. The spring-loaded pin and the plurality of pin-receiving features form the mechanism that facilitates the length adjustment of the height-adjustable leg. The trigger mechanism enables the manual engagement of the spring-loaded pin to the plurality of pin-receiving features.

Description

[0001] The current application claims a priority to the U.S. provisional patent application Ser. No. 63 / 781,128 filed on Mar. 31, 2025.FIELD OF THE INVENTION

[0002] The present invention generally relates to systems that facilitate the height adjustment of devices. More specifically, the present invention provides a mechanical system that helps adjust the height of different devices without the need for electrical or pressurized systems.BACKGROUND OF THE INVENTION

[0003] Nowadays, height-adjustable tables are very popular due to being able to adapt to the user's necessities. Most of these tables include a height-adjustment mechanism implemented in the table structure that allows the user to alter the height of the table without disassembling the table. The height-adjustment mechanism used can vary depending on the requirements of the table. Many of the height-adjustment mechanisms utilize an electrical system to automatically adjust the height of the table according to the user's input. Other height-adjustment mechanisms utilize a pneumatic system to lift the table and gradually lower when external force is applied downwards. Further, other height-adjustment mechanisms utilize a mechanical system that lock into place at various heights. Mechanical systems often are the cheapest option since the user needs to manually engage the mechanism to adjust the table's height. Unfortunately, current mechanical systems implemented in height-adjustable tables are not ergonomically friendly and often include a complex design.

[0004] The objective of the present invention is to provide a height-adjustment system that can be manually engaged to adjust the height of the corresponding device in an ergonomically friendly manner. The system of the present invention provides a cost-effective alternative that can be implemented in different devices including, but not limited to, tables, mounts, support devices for different electronic devices, etc. The system of the present invention includes a mechanical structure that is lightweight and durable so that the system can be implemented in different devices. Further, the system of the present invention can be customized to accommodate the operational requirements of the target device. Additional features and benefits of the present invention are further discussed in the sections below.SUMMARY OF THE INVENTION

[0005] The present invention provides a height-adjustment system. The system of the present invention includes a manual mechanism that facilitates the height adjustment of a device without an external energy source. The system of the present invention is preferably designed for furniture including, but not limited to, tables, chairs, mounts, podiums, etc. However, the system of the present invention can also be implemented in other devices that benefit from height adjustability including, but not limited to, support devices for electronic devices, accessories, etc. In general, the system of the present invention includes at least one height-adjustable leg implemented into the structure of the corresponding device.

[0006] The at least one height-adjustable leg corresponds to a telescopic structure with an integrated mechanism that is manually engaged to adjust the working length of the telescopic structure. The adjustment of the working length of the telescopic structure results in the adjustment of the height of the corresponding device equipped with the system of the present invention. The manual mechanism is also implemented in such a way that the mechanism can be engaged in an ergonomically friendly manner. Further, multiple height-adjustable legs can be implemented according to the operational requirements of the device equipped with the system.BRIEF DESCRIPTION OF THE DRAWINGS

[0007] FIG. 1 is a front view of the at least one height-adjustable leg of the system of the present invention.

[0008] FIG. 2 is a side view of the at least one height-adjustable leg of the system of the present invention.

[0009] FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. 2.

[0010] FIG. 4 is a magnified view taken about circle 4 in FIG. 3.

[0011] FIG. 5 is a side view of the at least one height-adjustable leg of the system of the present invention, wherein the trigger mechanism is shown disengaged to adjust the length of the at least one height-adjustable leg.

[0012] FIG. 6 is a cross-sectional view taken along line 6-6 in FIG. 5.

[0013] FIG. 7 is a magnified view taken about circle 7 in FIG. 6.

[0014] FIG. 8 is a side view of the at least one height-adjustable leg of the system of the present invention, wherein the trigger mechanism is shown disengaged, and wherein the at least one height-adjustable leg is shown with increased height.

[0015] FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 8.

[0016] FIG. 10 is a magnified view taken about circle 10 in FIG. 9.

[0017] FIG. 11 is a side view of the at least one height-adjustable leg of the system of the present invention, wherein the trigger mechanism is shown engaged to lock the increased height of the at least one height-adjustable leg.

[0018] FIG. 12 is a cross-sectional view taken along line 12-12 in FIG. 11.

[0019] FIG. 13 is a magnified view taken about circle 13 in FIG. 12.

[0020] FIG. 14 is a top-front-left perspective view of the system of the present invention, wherein the system is shown implemented in a height-adjustable table, wherein the system is shown with two height-adjustable legs, and wherein the system is shown with the support base.

[0021] FIG. 15 is a magnified view taken about circle 15 in FIG. 14.

[0022] FIG. 16 is a bottom-front-left perspective view of the system of the present invention thereof.

[0023] FIG. 17 is a front view of the system of the present invention thereof.

[0024] FIG. 18 is a top-front-left perspective view of an alternate embodiment of the at least one height-adjustable leg of the present invention, wherein the at least one height-adjustable leg is shown with an annular clamp.DETAILED DESCRIPTION OF THE INVENTION

[0025] All illustrations of the drawings are for the purpose of describing selected versions of the present invention and are not intended to limit the scope of the present invention.

[0026] The present invention discloses a height-adjustment system. The height-adjustment system of the present invention is designed to facilitate the manual adjustment of the corresponding device in a cost-effective, practical, and ergonomically friendly manner. In the preferred embodiment, the system of the present invention comprises at least one height-adjustable leg 1, as can be seen in FIGS. 1 through 18. The at least one height-adjustable leg 1 is implemented into a specific device including, but not limited to, a table, chair, electronic device support, mount, etc. The at least one height-adjustable leg 1 corresponds to a telescopic structure that can be adjusted in length according to the user's needs. By adjusting the length of the at least one height-adjustable leg 1, the height of the corresponding device is also adjusted.

[0027] The overall arrangement of the aforementioned components enables the comfortable and efficient adjustment of the overall height of the corresponding device without the need for an external power source or external tools. The at least one height-adjustable leg 1 is preferably designed as a tubular telescopic structure with a design that matches the overall design of the corresponding device. In general, the at least one height-adjustable leg 1 comprises a tubular rod 2, a tubular sleeve 5, a spring-loaded pin 10, a plurality of pin-receiving features 17, and a trigger mechanism 19, as can be seen in FIGS. 1 through 13. The tubular rod 2 and the tubular sleeve 5 correspond to the telescopic components of the at least one height-adjustable leg 1. The spring-loaded pin 10 and the plurality of pin-receiving features 17 form part of the mechanism that facilitates the length adjustment of the at least one height-adjustable leg 1. The trigger mechanism 19 enables the manual engagement of the spring-loaded pin 10 to the plurality of pin-receiving features 17.

[0028] Moreover, due to the tubular design of the at least one height-adjustable leg 1, both the tubular rod 2 and the tubular sleeve 5 have an elongated tubular structure with specific dimensions that allow the corresponding device to be height adjusted within a predetermined height range. As can be seen in FIGS. 1 through 13, the tubular rod 2 comprises an upper rod end 3 and a lower rod end 4 corresponding to the terminal tubular ends of the tubular rod 2. Similarly, the tubular sleeve 5 comprises an upper sleeve end 6 and a lower sleeve end 7 corresponding to the terminal tubular ends of the tubular sleeve 5. The tubular rod 2 and the tubular sleeve 5 can be made from the same material or from different materials depending on the operational requirements of the corresponding device. So, the thickness of both the tubular rod 2 and the tubular sleeve 5 depends on the materials used for each. Further, due to the telescopic design of the at least one height-adjustable leg 1, the outer diameter of the tubular rod 2 is equal to or less than the inner diameter of the tubular sleeve 5. On the other hand, the lengths of the tubular rod 2 and the tubular sleeve 5 can vary depending on the predetermined height range of the corresponding device.

[0029] In the preferred embodiment, the system of the present invention can be configured as follows: the lower rod end 4 is telescopically engaged into the upper sleeve end 6 to form the telescopic structure of the at least one height-adjustable leg 1, as can be seen in FIGS. 1 through 13. In addition, the spring-loaded pin 10 is operatively integrated into the lower rod end 4, wherein the spring-loaded pin 10 is used to laterally protrude and laterally retract from the tubular rod 2. The spring-loaded pin 10 is configured to form a temporary connection with a specific feature from the plurality of pin-receiving features 17 to prevent the movement of the tubular rod 2 along the tubular sleeve 5. Further, the plurality of pin-receiving features 17 is operatively integrated along the tubular sleeve 5, wherein each of the plurality of pin-receiving features 17 is used to receive the spring-loaded pin 10 locking the tubular rod 2 and the tubular sleeve 5 in place at a specific height for the at least one height-adjustable leg 1.

[0030] Depending on the structure of the corresponding device, different types of features can be utilized for the plurality of pin-receiving features 17. For example, the plurality of pin-receiving features 17 can be several pin holes that allow the spring-loaded pin 10 to protrude through the tubular sleeve 5, as can be seen in FIGS. 1 through 18. Alternatively, the plurality of pin-receiving features 17 can be several pin slots that receive the spring-loaded pin 10 without the spring-loaded pin 10 protruding out of the tubular sleeve 5. In addition, the trigger mechanism 19 is mounted into the tubular rod 2, adjacent the upper rod end 3, to implement the trigger mechanism 19 in a readily accessible position along the at least one height-adjustable leg 1. The trigger mechanism 19 is also operatively coupled to the spring-loaded pin 10, wherein the trigger mechanism 19 is used to actuate the spring-loaded mechanism. Different manual mechanisms can be implemented for the trigger mechanism 19, such as a pull lever, which allows the user to manually engage and disengage the spring-loaded pin 10 from the plurality of pin-receiving features 17.

[0031] Generally, the spring-loaded pin 10 and the trigger mechanism 19 are arranged in such a way that the manual actuation of the trigger mechanism 19 drives the operation of the spring-loaded pin 10. Depending on the device equipped with the system of the present invention, the spring-loaded pin 10 can be implemented in different configurations. In the preferred embodiment, the spring-loaded pin 10 comprises a V-shaped spring 11, a pin protrusion 14, a spring choke 15, and a pin-guiding hole 16, as can be seen in FIGS. 1 through 13. The V-shaped spring 11 allows the pin protrusion 14 to move through the pin-guiding hole 16 to engage and disengage the plurality of pin-receiving features 17. The spring choke 15 corresponds to a structure within the tubular rod 2 that controls the movement of the V-shaped spring 11. The pin-guiding hole 16 corresponds to an opening on the tubular rod 2 through which the pin protrusion 14 can engage and disengage the plurality of pin-receiving features 17. Moreover, the V-shaped spring 11 comprises a narrow spring end 12 and a wide spring end 13. The narrow spring end 12 corresponds to the section of the V-shaped spring 11 where the two spring legs converge. On the other hand, the wide spring end 13 corresponds to the section of the V-shaped spring 11 where the two spring legs diverge.

[0032] The preferred embodiment of the spring-loaded pin 10 can be implemented as follows: the V-shaped spring 11 is positioned within the tubular rod 2 to secure the V-shaped spring 11 inside the tubular rod 2, as can be seen in FIGS. 1 through 13. The spring choke 15 is connected within the tubular rod 2, offset from the lower rod end 4, to also secure the spring choke 15 inside the tubular rod 2 adjacent to the V-shaped spring 11. Further, the narrow spring end 12 is engaged into the spring choke 15 in such a way that the narrow spring end 12 can move into and out of the spring choke 15. On the other hand, the wide spring end 13 is positioned adjacent to the lower rod end 4, away from the spring choke 15. This way, in an equilibrium position, the V-shaped spring 11 remains out of the spring choke 15, and when the trigger mechanism 19 pulls on the V-shaped spring 11, the V-shaped spring 11 is forced into the spring choke 15. Further, the pin protrusion 14 is connected adjacent to the wide spring end 13 to secure the pin protrusion 14 to the V-shaped spring 11. The pin protrusion 14 is laterally connected to one of the legs of the V-shaped spring 11 so that the pin protrusion 14 is oriented towards the pin-guiding hole 16. In addition, the pin-guiding hole 16 laterally traverses into the tubular rod 2 to form an opening large enough to allow the pin protrusion 14 to move through the tubular rod 2.

[0033] Further, the pin protrusion 14 is positioned through the pin-guiding hole 16 and into a specific feature from the plurality of pin-receiving features 17 to lock the tubular rod 2 to a specific position along the tubular sleeve 5, as can be seen in FIGS. 1 through 13. The specific feature is associated with the specific height of the at least one height-adjustable leg 1. This way, when the V-shaped spring 11 is pulled into the spring choke 15, the wide spring end 13 contracts to move the pin protrusion 14 into the tubular rod 2 through the pin-guiding hole 16 and disengage the current feature from the plurality of pin-receiving features 17. The user can then move the tubular rod 2 to adjust the specific height of the at least one height-adjustable leg 1. When the V-shaped spring 11 is released form the spring choke 15, the wide spring end 13 expands to move the pin protrusion 14 out of the tubular rod 2 through the pin-guiding hole 16 and engage the new feature from the plurality of pin-receiving features 17. In other embodiments, the spring-loaded pin 10 can be altered to accommodate specific requirements from other devices. For example, the pin-guiding hole 16 can traverse through the tubular rod 2 and two pin protrusions 14 can be implemented to engage the specific feature from the plurality of pin-receiving features 17 at both opposite sides.

[0034] As previously discussed, the trigger mechanism 19 is a manual mechanism that the user can engage using a single hand. In the preferred embodiment, the trigger mechanism 19 comprises a spring tether 20 and a trigger handle 21, as can be seen in FIGS. 1 through 13. The spring tether 20 facilitates the mechanical connection between the trigger handle 21 and the V-shaped spring 11. The trigger handle 21 corresponds to an external component that the user can comfortably access to engage and disengage the spring-loaded pin 10. The trigger handle 21 can be implemented in different manners according to the requirements of the corresponding device. For example, the trigger handle 21 can be implemented as a pull handle, a lever handle, spring-loaded handle, etc., or any other mechanical handle.

[0035] The preferred embodiment of the trigger mechanism 19 can be implemented as follows: the trigger handle 21 is slidably mounted to the tubular rod 2, adjacent to the upper rod end 3, as can be seen in FIGS. 1 through 13. This allows the trigger handle 21 to move in a linear pattern when the user pulls the trigger handle 21. Further, the spring tether 20 is positioned within the tubular rod 2 to mount the spring tether 20 inside the tubular rod 2. The trigger handle 21 is also terminally connected to the spring tether 20 to secure the spring tether 20 to the trigger handle 21. In addition, a narrow spring end 12 is terminally connected to the spring tether 20, opposite to the trigger handle 21, to secure the spring tether 20 to the V-shaped spring 11.

[0036] The preferred embodiment of the trigger mechanism 19 allows the system to work as follows: while the trigger handle 21 is not engaged, the V-shaped spring 11 remains in equilibrium position with the narrow spring end 12 being positioned out of the spring choke 15, as can be seen in FIGS. 1 through 13. In this configuration, the V-shaped spring 11 pulls the trigger handle 21 towards the tubular sleeve 5 via the spring tether 20 and moves the pin protrusion 14 into the pin-guiding hole 16 to engage the specific feature from the plurality of pin-receiving features 17. When the user pulls the trigger handle 21 away from the tubular sleeve 5, the narrow spring end 12 is pulled into the spring choke 15 via the spring tether 20 to contract the wide spring end 13. In this configuration, the V-shaped spring 11 pulls the pin protrusion 14 into the tubular rod 2 through the pin-guiding hole 16 to disengage the specific feature. As a result, the tubular rod 2 can be slid into and out of the tubular sleeve 5 to adjust the overall length of the at least one height-adjustable leg 1, which adjusts the overall height of the corresponding device equipped with the system.

[0037] While the user is applying force on the trigger handle 21, the V-shaped spring 11 remains contracted which gives the freedom to the user to adjust the overall height of the corresponding device, as can be seen in FIGS. 1 through 13. Once the user releases the trigger handle 21, the V-shaped spring 11 returns to the equilibrium position which allows the pin protrusion 14 to engage a new specific feature from the plurality of pin-receiving features 17. The new specific feature locks the tubular rod 2 along the tubular sleeve 5 at the desired new height of the corresponding device. In other embodiments, the spring-loaded pin 10 may utilize different springs to perform the same functionality. Similarly, the trigger mechanism 19 can be altered to accommodate different springs or other locking features of the system.

[0038] As previously discussed, the plurality of pin-receiving features 17 can include different types of features that allow the spring-loaded pin 10 to mechanically couple with the tubular sleeve 5 so that the tubular rod 2 is locked into position along the tubular sleeve 5. In one embodiment, each of the plurality of pin-receiving features 17 corresponds to a pin-receiving hole 18, as can be seen in FIGS. 1 through 13. Each pin-receiving hole 18 has the shape and size matching the pin-guiding hole 16 so that the pin protrusion 14 can move through the pin-guiding hole 16 and into the pin-receiving hole 18 of the specific feature to complete the mechanical coupling between the tubular sleeve 5 and the tubular rod 2.

[0039] In addition, due to the tubular design of the tubular sleeve 5, the tubular sleeve 5 may further comprise an inner annular sleeve surface 8 and an outer annular sleeve surface 9. This embodiment of the plurality of pin-receiving features 17 is implemented as follows: the plurality of pin-receiving features 17 is serially positioned along the tubular sleeve 5 to facilitate the adjustment of the working length of the at least one height-adjustable leg 1, as can be seen in FIGS. 1 through 13. The number of pin-receiving features as well as the spacing between the pin-receiving features can vary according to the overall length of the at least one height-adjustable leg 1. Further, the pin-receiving hole 18 traverses from the inner annular sleeve surface 8 to the outer annular sleeve surface 9. This way, when the pin protrusion 14 engages the pin-receiving hole 18 of the specific feature, the pin protrusion 14 protrudes through the pin-guiding hole 16, through the pin-receiving hole 18, and out of the tubular sleeve 5. In an alternate embodiment, each pin-receiving hole 18 may traverse into the tubular sleeve 5 from the inner annular sleeve surface 8. This way, when the pin protrusion 14 engages the pin-receiving hole 18 of the specific feature, the pin protrusion 14 does not protrude out of the tubular sleeve 5 and remains hidden from view.

[0040] Depending on the operational requirements of the corresponding device, the system of the present invention may further comprise means to lock the working length of the at least one height-adjustable leg 1 to prevent accidental disengagement of the spring-loaded pin 10 from the specific feature. In some embodiments, the at least one height-adjustable leg 1 may further comprise an annular clamp 22, as can be seen in FIG. 18. The annular clamp 22 is designed so when engaged, the spring-loaded pin 10 cannot be accidentally disengaged. To do so, the annular clamp 22 is laterally engaged around the tubular sleeve 5, adjacent to a specific feature from the plurality of pin-receiving features 17. Like the trigger mechanism 19, the annular clamp 22 is also a manual mechanism that the user must disengage to allow the adjustment of the overall height of the corresponding device.

[0041] Further, in some embodiments, the at least one height-adjustable leg 1 may include means to stabilize the telescopic connection between the tubular rod 2 and the tubular sleeve 5. The at least one height-adjustable leg 1 may further comprising a rigid annulus 32 and a friction-inducing annulus 33, as can be seen in FIGS. 14 through 17. The rigid annulus 32 and the friction-inducing annulus 33 are designed to stabilize the telescopic structure without obstructing the length adjustment of the at least one height-adjustable leg 1. The rigid annulus 32 is made from a solid material, like the material of the tubular rod 2. The friction-inducing annulus 33 is made from a softer material that can laterally engage the tubular rod 2 without completely obstructing the movement of the tubular rod 2 along the tubular sleeve 5.

[0042] As can be seen in FIGS. 14 through 17, the friction-inducing annulus 32 is concentrically connected onto the rigid annulus 32 to form a ring-like structure. The inner diameter of the rigid annulus 32 matches the outer diameter of the tubular sleeve5, while the inner diameter of the friction-inducing annulus 33 matches the outer diameter of the tubular rod 5. In addition, the rigid annulus 32 is laterally connected around the tubular sleeve 5, adjacent to the upper sleeve end 6, to secure the rigid annulus 32 to the tubular sleeve 5. Further, the friction-inducing annulus 33 is laterally pressed against and around the tubular rod 2. This way, the tubular rod 2 can be slid in and out of the tubular sleeve 5 without obstruction while the rigid annulus 32 and the friction-inducing annulus 33 provide stability to the at least one height-adjustable leg 1.

[0043] Further, in some embodiments, the at least one height-adjustable leg 1 may further comprise a rod stopper 23, as can be seen in FIGS. 14 through 17. The rod stopper 23 is designed to limit the minimum working height of the at least one height-adjustable leg 1. The rod stopper 23 can also be utilized to accommodate other features of the corresponding device. To do so, the rod stopper 23 is laterally connected to the tubular rod 2, adjacent to the upper rod end 3, to secure the rod stopper 23 to the tubular rod 2. In other embodiments, other fail-safe features can be implemented to ensure safe operation of the corresponding device.

[0044] As previously discussed, the system of the present invention can be implemented in different devices that benefit from height adjustability. The system is specially suitable for height-adjustable tables such as desks that allow the user to work sitting or standing. In the height-adjustable table embodiment, the system of the present invention may further comprise a tabletop 25 and a support base 24, as can be seen in FIGS. 14 through 17. The tabletop 25 serves as the work surface of the height-adjustable table. The overall shape and size of the tabletop 25 can vary depending on the overall design of the height-adjustable table. Further, the support base 24 provides structural support for the corresponding device. The support base 24 is designed to maintain the at least one height-adjustable leg 1 in an upright position.

[0045] Further, the support base 24 can be implemented in different manners according to the operational requirements of the device equipped with the system of the present invention. For example, the support base 24 can be provided as an elongated structure that provides stability for the at least one height-adjustable leg 1 while maintaining the at least one height-adjustable leg 1 in an upright position, as can be seen in FIGS. 14 through 17. In addition, the support base 24 can be designed to support the corresponding device in a fixed location while preventing accidental movement of the corresponding device. Further, the support base 24 can be equipped with a plurality of caster wheels to facilitate the transportation of the corresponding device. In other embodiments, different structural or functional features can be applied to the support base 24 to accommodate the operational requirements of the corresponding device.

[0046] In general, the tabletop 25 can be implemented as follows: the at least one height-adjustable leg 1 is positioned normal to the support base 24. This way, when the support base 24 is placed on the ground or any other flat surface, the at least one height-adjustable leg 1 is positioned in an upright orientation, as can be seen in FIGS. 14 through 17. The lower sleeve end 7 is connected onto the support base 24 to secure the at least one height-adjustable leg 1 to the support base 24. Further, the tabletop 25 is positioned parallel to the support base 24 to provide a flat surface for the user to work on. In addition, the tabletop 25 is mounted onto the upper rod end 3 to secure the tabletop 25 to the at least one height-adjustable leg 1. This way, the heigh adjustment of the at least one height-adjustable leg 1 results in the heigh adjustment of the tabletop 25. In other embodiments, the tabletop 25 can be mounted to the upper rod end 3 at different orientations to accommodate the user's needs.

[0047] In some embodiments, the tabletop 25 can be provided as a foldable component to facilitate the storage of the height-adjustable table. As can be seen in FIGS. 14 through 17, the present invention may further comprise a kickstand 26 that allows the tabletop 25 to be deployed and stored away. The kickstand 26 can be a metal wire kickstand 26 that can be manually operated by the user. In addition, the kickstand 26 comprises an upper stand end 27 and a lower stand end 28 corresponding to the terminal ends of the kickstand 26. Generally, the kickstand 26 can be implemented as follows: the tabletop 25 is hingedly connected to the upper rod end 3 so that the tabletop 25 can be stored and deployed. The lower stand end 28 is laterally and rotatably connected to the tubular rod 2, offset from the upper rod end 3. This way, the kickstand 26 is secured to the at least one height-adjustable leg 1 while allowing the kickstand 26 to be manually deployed as necessary.

[0048] When stored, both the kickstand 26 and the tabletop 25 are oriented parallel to the at least one height-adjustable leg 1. This reduces the space in front of the height-adjustable table to facilitate storage. When deployed, the tabletop 25 is flipped upwards to position the tabletop 25 parallel to the support base 24, and the upper stand end 27 is attached onto the tabletop 25, offset from the upper rod end 3, to support the tabletop 25, as can be seen in FIGS. 14 through 17. The kickstand 26 is preferably oriented at an angle with the at least one height-adjustable leg 1 when deployed to increase the structural support to the tabletop 25. In other embodiments, different mechanisms can be implemented to facilitate the storage and deployment of the tabletop 25.

[0049] Depending on the size of the tabletop 25 and the operational requirements of the height-adjustable table, additional height-adjustable legs may be necessary to provide the necessary structural support to the tabletop 25. So, in some embodiments, the at least one height-adjustable leg 1 is provided as a first height-adjustable leg 29 and a second height-adjustable leg 30, as can be seen in FIGS. 14 through 17. The first height-adjustable leg 29 and the second height-adjustable leg 30 are positioned parallel and offset to each other to provide greater support and stability to a tabletop 25 of greater size.

[0050] Further, to improve the stability of the height-adjustable table, the system of the present invention may further comprise a crossbar 31, as can be seen in FIGS. 14 through 17. The crossbar 31 is connected in between the upper rod end 3 of the first height-adjustable leg 29 and the upper rod end 3 of the second height-adjustable leg 30 to secure the first height-adjustable leg 29 to the second height-adjustable leg 30. This prevents shaking of the height-adjustable table without greatly increasing the weight or size of the overall structure. In other embodiments, a different number of height-adjustable legs can be implemented for larger height-adjustable tables. In addition, other structural supports can be implemented as necessary to provide greater support and stability to the tabletop 25. Further, the system of the present invention can be modified to accommodate other devices that need to be height adjustable.

[0051] Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention.

Claims

1. A height-adjustment system comprising:at least one height-adjustable leg;the at least one height-adjustable leg comprising a tubular rod, a tubular sleeve, a spring-loaded pin, a plurality of pin-receiving features, and a trigger mechanism;the tubular rod comprising an upper rod end and a lower rod end;the tubular sleeve comprising an upper sleeve end and a lower sleeve end;the lower rod end being telescopically engaged into the upper sleeve end;the spring-loaded pin being operatively integrated into the lower rod end, wherein the spring-loaded pin is used to laterally protrude and laterally retract from the tubular rod;the plurality of pin-receiving features being operatively integrated along the tubular sleeve, wherein each of the plurality of pin-receiving features is used to receive the spring-loaded pin locking the tubular rod and the tubular sleeve in place at a specific height for the at least one height-adjustable leg;the trigger mechanism being mounted into the tubular rod, adjacent the upper rod end; andthe trigger mechanism being operatively coupled to the spring-loaded pin, wherein the trigger mechanism is used to actuate the spring-loaded mechanism.

2. The height-adjustment system as claimed in claim 1 further comprising:the spring-loaded pin comprising a V-shaped spring, a pin protrusion, a spring choke, and a pin-guiding hole;the V-shaped spring comprising a narrow spring end and a wide spring end;the V-shaped spring being positioned within the tubular rod;the spring choke being connected within the tubular rod, offset from the lower rod end;the narrow spring end being engaged into the spring choke;the wide spring end being positioned adjacent to the lower rod end;the pin protrusion being connected adjacent to the wide spring end;the pin-guiding hole laterally traversing into the tubular rod; andthe pin protrusion being positioned through the pin-guiding hole and into a specific feature from the plurality of pin-receiving features, wherein the specific feature is associated with the specific height.

3. The height-adjustment system as claimed in claim 2 further comprising:the trigger mechanism comprising a spring tether and a trigger handle;the trigger handle being slidably mounted to the tubular rod, adjacent to the upper rod end;the spring tether being positioned within the tubular rod;the trigger handle being terminally connected to the spring tether; anda narrow spring end being terminally connected to the spring tether, opposite to the trigger handle.

4. The height-adjustment system as claimed in claim 1 further comprising:each of the plurality of pin-receiving features being a pin-receiving hole;the tubular sleeve comprising an inner annular sleeve surface and an outer annular sleeve surface;the plurality of pin-receiving features being serially positioned along the tubular sleeve; andthe pin-receiving hole traversing from the inner annular sleeve surface to the outer annular sleeve surface.

5. The height-adjustment system as claimed in claim 1 further comprising:the at least one height-adjustable leg further comprising an annular clamp; andthe annular clamp being laterally engaged around the tubular sleeve, adjacent to a specific feature from the plurality of pin-receiving features, wherein the specific feature is associated with the specific height.

6. The height-adjustment system as claimed in claim 1 further comprising:the at least one height-adjustable leg further comprising a rigid annulus and a friction-inducing annulus;the friction-inducing annulus being concentrically connected onto the rigid annulus;the rigid annulus being laterally connected around the tubular sleeve, adjacent to the upper sleeve end; andthe friction-inducing annulus being laterally pressed against and around the tubular rod.

7. The height-adjustment system as claimed in claim 1 further comprising:the at least one height-adjustable leg further comprising a rod stopper; andthe rod stopper being laterally connected to the tubular rod, adjacent to the upper rod end.

8. The height-adjustment system as claimed in claim 1 further comprising:a tabletop;a support base;the at least one height-adjustable leg being positioned normal to the support base;the lower sleeve end being connected onto the support base;the tabletop being positioned parallel to the support base; andthe tabletop being mounted onto the upper rod end.

9. The height-adjustment system as claimed in claim 8 further comprising:a kickstand;the kickstand comprising an upper stand end and a lower stand end;the tabletop being hingedly connected to the upper rod end;the lower stand end being laterally and rotatably connected to the tubular rod, offset from the upper rod end; andthe upper stand end being attached onto the tabletop, offset from the upper rod end.

10. The height-adjustment system as claimed in claim 1 further comprising:the at least one height-adjustable leg being a first height-adjustable leg and a second height-adjustable leg; andthe first height-adjustable leg and the second height-adjustable leg being positioned parallel and offset to each other.

11. The height-adjustment system as claimed in claim 10 further comprising:a crossbar; andthe crossbar being connected in between the upper rod end of the first height-adjustable leg and the upper rod end of the second height-adjustable leg.

12. A height-adjustment system comprising:at least one height-adjustable leg;the at least one height-adjustable leg comprising a tubular rod, a tubular sleeve, a spring-loaded pin, a plurality of pin-receiving features, and a trigger mechanism;the tubular rod comprising an upper rod end and a lower rod end;the tubular sleeve comprising an upper sleeve end and a lower sleeve end;the spring-loaded pin comprising a V-shaped spring, a pin protrusion, a spring choke, and a pin-guiding hole;the V-shaped spring comprising a narrow spring end and a wide spring end;the lower rod end being telescopically engaged into the upper sleeve end;the V-shaped spring being positioned within the tubular rod;the spring choke being connected within the tubular rod, offset from the lower rod end;the narrow spring end being engaged into the spring choke;the wide spring end being positioned adjacent to the lower rod end;the pin protrusion being connected adjacent to the wide spring end;the pin-guiding hole laterally traversing into the tubular rod;the plurality of pin-receiving features being operatively integrated along the tubular sleeve, wherein each of the plurality of pin-receiving features is used to receive the spring-loaded pin locking the tubular rod and the tubular sleeve in place at a specific height for the at least one height-adjustable leg;the pin protrusion being positioned through the pin-guiding hole and into a specific feature from the plurality of pin-receiving features, wherein the specific feature is associated with the specific height;the trigger mechanism being mounted into the tubular rod, adjacent the upper rod end; andthe trigger mechanism being operatively coupled to the spring-loaded pin, wherein the trigger mechanism is used to actuate the spring-loaded mechanism.

13. The height-adjustment system as claimed in claim 12 further comprising:the trigger mechanism comprising a spring tether and a trigger handle;the trigger handle being slidably mounted to the tubular rod, adjacent to the upper rod end;the spring tether being positioned within the tubular rod;the trigger handle being terminally connected to the spring tether; anda narrow spring end being terminally connected to the spring tether, opposite to the trigger handle.

14. The height-adjustment system as claimed in claim 12 further comprising:each of the plurality of pin-receiving features being a pin-receiving hole;the tubular sleeve comprising an inner annular sleeve surface and an outer annular sleeve surface;the plurality of pin-receiving features being serially positioned along the tubular sleeve; andthe pin-receiving hole traversing from the inner annular sleeve surface to the outer annular sleeve surface.

15. The height-adjustment system as claimed in claim 12 further comprising:the at least one height-adjustable leg further comprising an annular clamp; andthe annular clamp being laterally engaged around the tubular sleeve, adjacent to a specific feature from the plurality of pin-receiving features, wherein the specific feature is associated with the specific height.

16. The height-adjustment system as claimed in claim 12 further comprising:the at least one height-adjustable leg further comprising a rigid annulus and a friction-inducing annulus;the friction-inducing annulus being concentrically connected onto the rigid annulus;the rigid annulus being laterally connected around the tubular sleeve, adjacent to the upper sleeve end; andthe friction-inducing annulus being laterally pressed against and around the tubular rod.

17. The height-adjustment system as claimed in claim 12 further comprising:the at least one height-adjustable leg further comprising a rod stopper; andthe rod stopper being laterally connected to the tubular rod, adjacent to the upper rod end.

18. The height-adjustment system as claimed in claim 12 further comprising:a tabletop;a support base;the at least one height-adjustable leg being positioned normal to the support base;the lower sleeve end being connected onto the support base;the tabletop being positioned parallel to the support base; andthe tabletop being mounted onto the upper rod end.

19. The height-adjustment system as claimed in claim 18 further comprising:a kickstand;the kickstand comprising an upper stand end and a lower stand end;the tabletop being hingedly connected to the upper rod end;the lower stand end being laterally and rotatably connected to the tubular rod, offset from the upper rod end; andthe upper stand end being attached onto the tabletop, offset from the upper rod end.

20. The height-adjustment system as claimed in claim 12 further comprising:a crossbar;the at least one height-adjustable leg being a first height-adjustable leg and a second height-adjustable leg;the first height-adjustable leg and the second height-adjustable leg being positioned parallel and offset to each other; andthe crossbar being connected in between the upper rod end of the first height-adjustable leg and the upper rod end of the second height-adjustable leg.

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