RU206595U1 - PORTABLE ADJUSTABLE DEVICE FOR WORKING WHILE SITTING OR STANDING - Google Patents

Abstract

This technical solution refers to devices for working, sitting or standing, can be applied in all areas of industry and other industries, as well as in all educational institutions, in everyday life for working on a computer, teaching, etc. The device has a simple design, which has a high speed of changeover and reaching the operating mode with any anthropometric data of a person while maintaining high accuracy of the height of lifting and lowering the tabletop. along the edges of which there are supports, the upper parts of which are pivotally connected to it, and the lower parts of the supports (consisting of two elements connected at the bottom by a link, the supporting surface of which is parallel to the lower plane of the tabletop) in places where its elements fit snugly with the upper supports are connected by a fixing connection located in the slot of one of the parts of the supports. Variants of device executions: some of the hinges are also retainers; devices contain a scale; in the upper part of the support there are stops perpendicular to the longitudinal axis of the support; the tabletop has stops perpendicular to the lower plane of the tabletop; the tabletop is connected to the supports through elastic elements; the index of the locking connection is located perpendicular to the longitudinal axis of the scale.

Description

Technical field to which the utility model belongs

This technical solution refers to furniture intended for the organization of the workplace, and can be applied in all areas of industry and other industries. In addition, it can be used in all educational institutions, in everyday life for working on a computer, teaching, etc.

State of the art

An analogue of this technical solution is the "Folding stand for laptops" (patent for the invention of the United States US No. 5511758A priority from 25.01.1995). The main disadvantage of this device is the lack of the possibility of lifting to the required height and adjustment of the lifting height of the table top, since the supports have an inclined plane and do not allow it to be structurally performed.

Another analogue is the "Folding laptop table" (publication number US 20050150433 # 1, priority from 01.12.2004). The presence of external and internal pipes does not allow the tabletop to touch the plane of the computer table, on which this folding table will be installed, which limits its use by users with different anthropometric data. Since the holes in the legs are made with a certain pitch, they do not allow precise adjustment of the height of the table top lifting (lowering). In addition, this analogue loses to the declared device in terms of the changeover speed and exit to the operating mode, because in order to readjust to a different height, you need to hold the tabletop with a laptop with one hand, and with the other hand remove the retainer from the holes in the pipes, and then you need to align the holes in four pipes. What is not easy to do, since we do not see the hole in the pipe, and we have to look for it by raising or lowering the tabletop with a laptop (which is very inconvenient), which takes a lot of time, and then insert the fixing element. And these operations with fixation and release will need to be done every time when it is necessary to reconfigure from work in a standing position to a sitting position, and this will additionally take even more time. While in the claimed device, the setting for working, sitting or standing and vice versa is done once.

Another analogue is the "Folding table for a laptop-computer" patent for the invention EP 2140781A1 priority dated 13.04.2007. The folding support frames of this analogue have very low stability. As a result, it will be necessary to introduce additional ties for them, which will reliably and rigidly attach the folding table to the desktop, which will add inconvenience to the user when working on the computer desk and complicate the design. What is missing in the claimed "portable adjustable device for working" sitting "or" standing ". A second version is possible, in which it will be necessary to increase the length, width and thickness of the walls of the support frames, which can lead to their going beyond the limit dimensions of the table on which the folding table will be installed. This, in turn, will increase the area required for the user's workplace and is not economically feasible. And in order for the laptop screen to be placed at the correct angle in relation to the user's gaze (in accordance with ergonomic requirements) or so that the height of the folding table matches the user's height, you will need a special device. The absence of a scale at the folding table increases the setup time and reduces the speed of reaching the operating mode. Because every time when it is necessary to transfer the "Table for a laptop-computer" from the "sitting" position to the "standing" position, it will be necessary to use a special device and adjust the lifting height. Therefore, it is obvious that the claimed device in all respects has advantages over the "Table for a laptop-computer".

The next analogue is "Stand for mounting a multimedia projector on a tripod", patent for a useful model of the Russian Federation RU No. 109962 U1, IPC А47В 21/00, priority dated 12/14/2010. "This product is a portable and universal stand intended mainly for multimedia projectors and laptops ... ". After fixing on any tripod (for photo and video cameras) and installing the laptop, this stand can be adjusted in the lifting (lowering) height, but it does not allow the assembly to work on the laptop directly, on the working surface of the computer table. Working with a laptop installed directly on a stand on a computer desk is possible by detaching the stand from the tripod, which takes a lot of time. If after some time you need to work while standing, then you need to spend time again fixing the stand to the tripod. And therefore, the time for changeover from the working position, standing to the working position, sitting will take a lot. While in the claimed "Portable adjustable device for working, sitting or standing" this operation will take a few seconds. In addition, the tripod legs restrict the work of a user with a certain height and do not allow precise adjustment of the lifting (lowering) height due to the lack of a scale. And the design turns out to be quite complex in comparison with the declared one.

Another analogue is "Laptop stand and method of its manufacture", patent for invention of the Russian Federation RU No. 2498753 priority dated December 28, 2011. This laptop stand is portable, but its design (rather complicated, especially in manufacturing) does not imply height adjustment. The stand can only be used for one user (that is, for a certain height). For users with different anthropometric data, you will have to make different stands. The absence of a scale increases the set-up time by the required amount of lifting the table top height.

Another analogue is "Stand for a laptop", patent for a useful model of the Russian Federation RU No. 119589, priority dated 06/15/2012. ergonomic requirements. The use of a special device when working with a stand makes it unpromising in comparison with the claimed device, since it will lose in terms of simplicity of design, speed of changeover and exit to the operating mode for any anthropometric data of a person, etc.

The next analogue is "Stand for an electronic mobile device", - a patent for a useful model RU No. 172822 priority dated 06.06.2016. This device does not allow meeting the ergonomic requirements for the user's gaze angle when placed on a horizontal platform, for example, a computer table. Because the "U-shaped pivot stop for holding the rack at an angle to the base ..." is pivotally attached to the base. That is, the emphasis itself will change the user's gaze angle, and the telescopic stand will also change this angle. The stand allows you to adjust the height of the rack and fix the "selected relative position of the sections". However, every time when it is necessary to move from the position of work, "sitting" to the position for work, "standing" will have to set this height, which will take a lot of time. In addition, the design of the stand does not allow precise adjustment of the lift height in a short period of time due to the lack of a scale. Another analogue is "Stand for working on a computer", a patent for a useful model PΦ RU No. 173637, priority from 03/27/2017, IPC: А47В 21/00. Portable portable stand, "... can be used when working on a computer in a moving vehicle and in case of impaired motor functions of the user's hands ...". The stand, in principle, can allow you to work both in a sitting position and in a standing position. However, in the "standing" position, the user will need to hold the stand with the computer with one hand, and work with the other, which will lead to a rapid fatigue of the user, a decrease in labor productivity, violation of all ergonomic and SanPiN standards in terms of correct fit when working at a computer, namely :

during work, the wrist and hand should lie in the same plane;

there should be a gap between the table top and the legs;

the top of the monitor should be located above eye level;

there should be a right angle in the elbow joint;

while working, arms and legs should be parallel to the floor.

As a result, it will lead to a deterioration in physical condition and health. The design of the stand does not provide for holding the computer at a constant height (consistent with the growth of the user), high speed of changeover and entering the operating mode, precise height adjustment for any height of the user, meeting the requirements of ergonomics and SanPin, etc., therefore, this analogue is inferior to the advantages the claimed device.

The closest in technical essence analogue (prototype) of the claimed technical solution is "Portable desktop device" US patent No. 6439133 B1 priority dated 03/30/2001 The claimed device has similar features to the prototype, namely: table top and supports. The prototype allows you to change the height of the tabletop.

However, the location of the fixation holes with a certain prototype pitch does not allow employees who have a height that does not match the range of fixation holes or work in violation of ergonomic requirements and SanPiN requirements (which negatively affects both the results of work and the health of the user). That is, the "Portable Desktop Device" (prototype) allows making height adjustment only for users with a certain height, and the design of the prototype does not allow adjustment for any user height. Whereas the claimed "Portable adjustable device for working, sitting or standing" allows a user to work with any anthropometric characteristics. Another disadvantage of the prototype is that each time it is necessary to change the position of the tabletop, it is necessary to "manually" first unlock the tubular elements, and then fix them, which increases the setup time (and this must be done every time the user decides to work while standing or sitting) and reduces the speed of lifting (lowering) the table top and entering the operating mode. The manual lifting (lowering) of the tabletop with the computer takes a lot of time. Since after unlocking, you need to raise the tabletop and hold it with one hand in order to fix it, and you need to raise the tabletop so that the holes in the outer pipe - the tubular elements coincide with the holes in the inner pipe - the elongated elements (the holes of which are not visible) and therefore it is necessary to "catch" with a clamp (which is in the second hand) by raising or lowering the tabletop (which is extremely inconvenient and long to do for one user or even two). While in the claimed device, adjustment for any height is done by one user and once (while in the prototype device this must be done every time you change the working position "sitting" or "standing"), and takes significantly less time due to high speed of changeover and exit to the operating mode. Another disadvantage of the prototype is that its design does not allow the tabletop in the sitting position of the user to lie down on a plane, for example, on a computer table, which entails inconvenience in work and violation of ergonomic and SanPiN requirements. This is prevented by the U-shaped tubular elements. While the claimed device is devoid of this drawback. The next disadvantage of the prototype is that it allows only a rough adjustment in height with errors in millimeters, because there are too many errors that occur both during manufacture and during assembly.

Namely:

joining a pipe in a pipe (elongated elements in tubular elements) already carries a lot of errors, because pipes are manufactured with certain tolerance fields, and you also need to ensure a guaranteed gap between the pipes for their free movement one into the other;

errors when drilling holes in pipes (even in a special device);

errors when assembling a pipe with a tabletop;

errors in welding of bracket elements to tubular elements, etc.

While in the claimed device, the adjustment accuracy is quite high due to the features (significant differences) described in the variants and designs of the claimed device. Modern methods of making scales allow them to be made quite accurate, for example, even with a reduced level of accuracy, the error in the linear dimensions of the scale is 5-10 microns (or 0.005-0.01 mm). That is, the adjustment error of the proposed device (providing high accuracy of the table top lifting height) is more than an order of magnitude less than that of the prototype. Another disadvantage of the prototype is a more complex design compared to the claimed device. The design of the prototype is rather complicated, since it includes: a canvas element - a table top; U-shaped tubular elements; spindle; hooks (more than 10 pcs.); brackets (4 pcs.); guide elements (4 pcs.); plate elements; ball and spring connection; clamps; extended storage container; basic element; lid; latch; spring; ball, etc. The prototype also includes pipes. The number of parts included in the prototype is several times greater than the number of parts included in the claimed device.

Thus, the claimed device allows you to obtain, in comparison with the prototype and analogues:

a simpler design;

higher accuracy of the lifting (lowering) height of the table top, depending on any person's height;

higher speed of changeover and reaching the operating mode with any anthropometric data of a person;

shorter adjustment time;

adjust the height for any height of the user;

less time to lift the table top;

more comfortable tabletop position when working in a "sitting" position.

In addition, the claimed device allows you to comply with the ergonomics standards, SanPiN and will allow you to obtain additional technical results that are absent in the prototype and analogues.

Disclosure of a utility model

A portable adjustable device for working, sitting or standing (hereinafter referred to as the device), contains a table top, supports and other structural elements that have significant differences in each version and their designs.

The purpose of creating the claimed device is to create a simple portable structure that provides a high speed of changeover and entry into the operating mode with any anthropometric data of a person while maintaining high accuracy of the height of lifting and lowering the table top.

In addition, the device allows: it can be used in places where the use of other devices is difficult or associated with high costs (for example, working computer tables are located close not only to the left and right edges, but also in front and the small area of the room does not allow moving them); with a limited number of devices, it is easy to move them from one workplace to another (for example, in the absence of an employee) or when moving to another room; make from modern materials using advanced technologies due to the manufacturability of the design; make the tabletop and the device as a whole more compact; to be desktop, portable to save energy resources; reduce weight and dimensions; more efficiently dissipate heat (due to the lack of a solid tabletop); be completely electrical safe; increase reliability (due to: a very simple design of the device and the parts included in it; more accurate manufacturing of parts); not to increase the area of the workplace (which is especially important for enterprises that lease space, for example, in technology parks, business incubators, etc.); work on computer and other tables; be completely autonomous and do not require electricity consumption; have free access for repair; easy to assemble and disassemble (which allows the design to become even more compact and take it on a business trip along with a laptop); have a high lifting speed of the table top in comparison with similar devices; precisely adjust to any height, without requiring constant adjustment; to use an additional group of human muscles (providing training for muscle groups), which increases the physical activity of a person, his productivity, the speed of the user and, accordingly, the speed of the entire device; use it for radio installers, fitters, assemblers and repairers of small-sized devices (for example, clocks, instruments, small-sized fittings, etc.); compensate for manufacturing errors due to the ability to adjust the lifting height; increase the resource of work; ensure compliance with SanPiN and ergonomic requirements, etc.

The above technical results are achieved due to the fact that the tabletop, along the edges of which there are supports, the upper parts of which are pivotally connected to it, and the lower parts of the supports (consisting of two elements connected at the bottom by a connection, the supporting surface of which is parallel to the lower plane of the tabletop) in places of dense the fit of its elements with the upper supports are connected by a fixing joint located in the slot of one of the parts of the supports.

Obtaining a technical result is inextricably linked with other structural elements that are interconnected, reflected in the execution options, which allows you to get additional technical results.

Distinctive features of the prototype (this does not include features related to functions that are absent from the claimed device, for example, a drink holder, etc.): a table support frame, including the first and second U-shaped elements, each of the mentioned elements having an elongated a body and a pair of elongated end portions that extend outwardly from said elongated body, each of said elongated end portions of the first U-shaped element having an open outer end and also having an opening passing through said open outer end, a plurality of openings spaced apart from each other and located through the wall of said elongated end portion of said first U-shaped element and into said opening, said elongated end portions of the second U-shaped element are telescopically received in said openings of the elongated end portions of the first U-shaped element; many legs attached to the tabletop support frame; countertop assembly that attaches to the countertop support frame; the tabletop assembly includes a web element hooked to said elongated body of the second U-shaped tubular element, the web element being extensible between the elongated bodies and end portions of the first and second U-shaped tubular elements; a plurality of legs, includes a plurality of staple members securely attached to the proximal corners of the tabletop support frame, and also includes a plurality of elongated tubular members, each of which has an upper end pivotally attached to a corresponding staple member, and which has an open lower end, and which further has an opening passing through the open lower end, and which also has a plurality of openings spaced apart from each other and located through the wall of the elongated tubular element, and further includes a plurality of elongated extension elements telescopically and firmly received in said elongated openings tubular elements.

The analysis of the distinctive features of the prototype (analogs) and the claimed device shows that they are completely different and the prototype does not contain any feature (similar) available for the claimed device, and therefore does not allow obtaining the technical results of the proposed device. Consequently, the claimed device meets the "novelty" condition of patentability.

In the claimed device, "... a tabletop, along the edges of which supports are located ..." are necessary in order to use the supports (hingedly connected to the tabletop) to be able to move the device from a standing position to a sitting position and vice versa at high speed. In addition, the supports are designed to firmly fix the tabletop in the "standing" position and ensure the exact position of the tabletop in height, depending on the user's height (to ensure ergonomic and SanPiNov requirements). The fact that the supports are located at the edges of the tabletop is necessary for a high speed of reaching the operating mode, simplifying the design and the possibility of using the device for users with any anthropometric data. Since if the supports were inside the tabletop, this would reduce the speed of reaching the operating mode, complicate the structure and limit the height of the tabletop lifting, which would not allow the device to be used for any height of the user.

In the proposed device, the tabletop, as well as the supports, can be made of various materials: wood (of any species), metal (for example, an aluminum corner, pipe, etc.), composite materials (for example, ABS plastics, etc.). The same applies to hinge joints and their choice is quite large. It can be bolted, screw, pin, etc. compound.

Signs, - "... the lower parts of the supports (consisting of two elements connected at the bottom by a link, the supporting surface of which is parallel to the lower plane of the tabletop) ..." are necessary to ensure rigidity, which in turn is necessary to ensure the stability of the entire structure of the device and the accuracy of lifting and lowering the tabletop ... For example, suppose the link support surface is not parallel to the bottom plane of the table top. In this case, when the supports are in a vertical position, one of them can lean on the edge, and the second one on a plane or both supports can lean on the edge and then the device can swing, that is, be unstable, and therefore not workable. And it is obvious that non-parallelism directly affects the accuracy of raising and lowering the tabletop.

"... The lower parts of the supports ... in the places where its elements fit tightly with the upper supports ..." provide rigidity (when fixed) and minimal non-flatness. As a result, it provides the necessary accuracy of the height of lifting and lowering the tabletop, which ultimately allow the user to work without violating the ergonomic and SanPiN requirements, and to increase the user's productivity. It also makes it unnecessary to introduce additional structural elements to ensure the rigidity of the structure.

The fact that "... in places of tight fit of its elements with the upper supports, are connected by a fixing joint located in the slot of one of the parts of the supports ..." The slots and the fixing connections located in them are necessary to ensure accurate and quick adjustment over the entire range of anthropometric characteristics of the user, and therefore to ensure a high speed of changeover and reaching the operating mode while maintaining a high accuracy of the height of the tabletop lifting. If there are no slots or there will be no fixing connection (as well as the previously indicated signs), then the device will have a different design and will not give the technical results that are indicated in the claimed device.

All of the above features ensure that during the user's work (when changing work from a sitting position to a standing position and vice versa), no adjustments in the claimed device need to be made. This is done only once when set for the appropriate height of the user. Structural elements of the fixing connection can be different, for example, screw connection, both nut and wing, bolted connection, etc.

Consider the execution options:

"... some of the hinges are also latches" (latches allow you to rigidly fix the device and increase its stability; latches opposite the user allow you to quickly unlock or fix the supports; as a lock, there can be a screw connection with a rotating handle and fixing the screw itself from turning, or this there can be a welded stud, etc .; there are many options);

"... the device ... contains a scale", which makes it possible to increase the accuracy of the lifting height of the table-top at any height of the user, to increase the speed of changeover and exit to the operating mode;

“… In the upper part of the support there are stops perpendicular to the longitudinal axis of the support”, as well as the fact that “… the tabletop has stops perpendicular to the lower plane of the tabletop” - all this allows to obtain higher technical results than in the above proposal; that is, when the supports are lifted, they will rest against the countertop, or the support rest will abut against the countertop, - this gives an increase in the speed of reaching the operating mode and ensures the accuracy of the tabletop lifting height;

"... the table top is connected to the supports through elastic elements" - this allows to reduce the time of lifting the supports from the working position, sitting to the working position, standing (as an elastic element, a tension spring, a flat spring, etc. can be used);

"... the index of the fixing joint is located perpendicular to the longitudinal axis of the scale." This allows you to reduce the setup time (since a narrow nose like a clock hand will clearly show the corresponding value on the scale), which means to increase the speed of changeover and the exit to the operating mode. When we need to adjust the device to the required height, the fixing connection, for example, a handle, is loosened on the supports (but not completely, we only loosen the connection so that the upper supports can move along the lower ones in the places where they fit snugly). Then we begin to move apart or move the supports. For example, we need to move the legs apart (increase the lifting height of the table top). Smoothly pushing the supports apart, we observe the nose of the pointer moving above the scale, and as soon as the pointer shows the size we need, we twist the handle. We do the same with the other support. And when the device is adjusted to the required height, the user slightly lifts the device and, due to elastic elements (for example, tension springs) and stops, the device becomes in the working position (if it is necessary to work in a standing position). To work in a sitting position, it is enough to unlock it and at the same time turn the supports slightly to the sides with both hands and smoothly lower the device, for example, with a laptop, onto a plane, for example, on a computer table.

The analogs and the prototype do not have additional technical results (which the above-mentioned versions have), since they do not have significant differences inherent in the versions of the proposed devices.

The proposed technical solutions are industrially feasible, compact, developed using modern materials, have simple structures, the details of which have been manufactured by the domestic industry for many years and allow you to ensure the exact height of lifting and lowering the tabletop, depending on any anthropometric data of a person, quick changeover to other initial values in accordance with the requirements of ergonomics and SanPiN.

Today, all designers, technologists, programmers, economists, etc. work on computers at computer desks in various industries. And the claimed devices will help to increase labor productivity and give other positive effects. Therefore, the proposed devices meet the condition of patentability "industrial applicability". There are many other professions that use computers and work in other fields.

Specific application, this technical solution can be found in all industries of the Russian Federation, near and far abroad and other industries. In addition, it can be used in all educational institutions, in everyday life for working on a computer, teaching, etc.

The use of the proposed significant differences in the structures above not only makes it possible to create a simple portable structure that has a high speed of changeover and reaching the operating mode for any anthropometric data of a person while maintaining high accuracy of the height of lifting and lowering the tabletop and obtaining many other technical results that are absent from the prototype and analogues ...

The set of distinctive features of the claimed device is not found in the patent and scientific and technical literature. Consequently, the proposed device has significant differences and meets the "novelty" requirement of patentability.

Brief Description of Drawings

FIG. 1 - a device with a locking connection.

Implementation of the utility model

A portable adjustable device for working, sitting or standing (Fig. 1), contains a tabletop 1, elements 2, links 3, articulated joints 5, slots 7, fixing joints 9. To describe the setting of the device and its operation, we use one of the following versions: scale 8 ; elastic elements, stops, a pointer, latches (which can be, for example, a stud welded to the table top 1, onto which a handle is screwed; there can be many options for latches), which in Fig. 1 are conventionally not shown. Scale 8 can be graduated both by specific values of the user's height and by numerical values. And it can be made both separately from element 2, and together with it. Let the scale 8 be calibrated for specific values of the user's height and when the device is assembled, we configure it for the specific height of the user. To do this, we loosen, for example, the handle (which is conventionally not shown in Fig. 1) of the fixing joint 9 located in the slot 7 of one of the parts of the supports and we begin to move the element 2 with the link 3 if the slot 7 and the scale 8 are on it. Or the upper part of the support 4, if the slot 7 and the scale 8 are on it. That is, we move the part of the support in which the slot 7 and the scale 8 are located until the pointer aligns with the user's height value, for which we set up the device. Then we twist, for example, the handle of the fixing connection 9. And we do this operation with all the fixing connections 9. Now the device is configured and ready to work. You can put a laptop on it and work while standing. No further configuration is required. To work while sitting, it is necessary to unlock elements 2 and at the same time grasping the support with each hand to smoothly lower the tabletop 1 until it touches a plane, for example, a computer table.

Thus, thanks to the design features of a simple portable adjustable device for working, sitting or standing, or rather, its significant differences, it is possible not only to ensure a high speed of changeover and entry into an operating mode with any anthropometric data of a person while maintaining high accuracy of the height of lifting and lowering the tabletop, but and reduce weight, improve reliability, speed and productivity, etc.

Claims (7)

1. A portable adjustable device for working, sitting or standing, containing a tabletop, supports, characterized in that there are supports along the edges of the tabletop, the upper parts of which are pivotally connected to it, and the lower parts of the supports, consisting of two elements connected at the bottom by a link, support the surface of which is parallel to the lower plane of the table top in places of tight fit of its elements with the upper supports, connected by a fixing joint located in the slot of one of the parts of the supports. 2. Portable adjustable device for working, sitting or standing, according to claim 1, characterized in that some of the hinges are also retainers. 3. Portable adjustable device for working, sitting or standing, according to claim 1, characterized in that it contains a scale. 4. Portable adjustable device for working, sitting or standing, according to claim 1, characterized in that in the upper part of the support there are stops perpendicular to the longitudinal axis of the support. 5. Portable adjustable device for working, sitting or standing, according to claim 1, characterized in that the tabletop has stops perpendicular to the lower plane of the tabletop. 6. Portable adjustable device for working, sitting or standing, according to claim 1, characterized in that the table top is connected to the supports through elastic elements. 7. Portable adjustable device for working, sitting or standing, according to claim 1, characterized in that the index of the fixing connection is located perpendicular to the longitudinal axis of the scale.

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