DE29818890U1 - Standing workplace with a standing aid and a standing desk - Google Patents

Description

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Dipl. Phys. Ulrich Twelmeier Dr. techn. Woldemor Leitner Dr. phi/, not. Rudolf Bauer-T Dipl. Ing. Helmut Hubbuch-1991 European Patent Attorneys

HR01&Egr;&Ogr;&Ogr;&Iacgr; DEU/BegesOZe/TW-BR/BeßO. 10.1998 Mr. Hans-Werner Herre, Hintere Gasse 1, D-75417 Mühlacker

Standing workstation with a standing aid and a standing desk Description:

The invention relates to a standing workstation with the features of the preamble of claim 1.

Standing desks are known in various designs. For example, there are lecterns, as are known from the Bundestag, from club meetings or from universities. These lecterns are usually a body that consists of three U-shaped walls that are perpendicular to each other and open towards the speaker. On the top of the body there is an inclined plate that is used to place a manuscript. This enables the speaker to stand close to the lectern and read from the manuscript without having to hold it in his hand.

Furthermore, a standing aid is known from the German utility model 295 04 896. This standing aid has a foot on which a support with a seat and a backrest is arranged. This enables a kind of intermediate position between sitting and standing, which relieves the spine.

Zerrennerstrasse 23-25 D-70"&igr;'72'Pforzheim Postbank Karlsruhe 168 52-750 {BLZ 66010075)

Telephone (0723IJ 39840 Fax (0723 JJ 398444 Sparkasse Pforzheim 803 812 (BLZ66650085J

Our general terms and conditions apply exclusively VAT Registration No. DE 144 180005

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This type of standing aid is particularly suitable for people who have back problems or who do a job that requires them to sit a lot.

If known standing desks and standing aids are pushed together to form a standing workstation, the problem arises that the theoretically achievable relief of the back cannot be achieved because the user is not able to assume the optimal position that he should assume in view of his height and his specific body type. This makes it impossible to work comfortably, and in turn leads to tension, which is actually what such a standing workstation is supposed to prevent.

The aim of the invention is therefore to create a workplace that allows the user to choose his position so that it is optimal under his individual ergonomic conditions, so that he can work in a way that is as gentle on his back as possible.

The object is achieved according to the invention by a standing workstation with the features of claim 1 and a standing workstation with the features of claim 3. Advantageous further developments of the invention are the subject of the subclaims.

A first solution to the problem according to the invention is achieved in that the first and second foot elements of the standing stool or standing desk are designed as first and second plates and together form a continuous surface. This allows the foot to be placed on the stool in a completely natural way and is not forced to assume a bent position by a strut that may be present on one of the foot elements. This natural position of the foot is possible across the entire plate, so that every person, regardless of their body type, can assume the best foot position for them.

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A second solution to the problem according to the invention is achieved in that the first and second foot elements are connected to one another in such a way that the standing aid and the standing desk are fixed in their mutual position. This has the advantage that the user always finds the same distance between the standing aid and the standing desk, which is set so that it is optimal for him in ergonomic terms. Changing this distance is then impossible. With such an inventive design, it is possible for the standing desk to not slip away from the standing aid even on smooth surfaces such as parquet.

It is advantageous if the seat element is arranged so that it can be moved along the first support element and/or the worktop is arranged so that it can be moved along the second rotating element. This allows individual adjustment to different body sizes, so that the standing workstation can be used by both small and tall people. This is particularly advantageous for rehabilitation clinics, as the standing workstation can be used for another patient after one patient has been successfully treated. This significantly reduces the costs for the health care system, which is extremely welcome given the empty coffers.

Furthermore, it is advantageous if the first support element encloses an acute first angle with the first foot element and/or the second support element encloses an acute second angle with the second foot element.

It is advantageous if the first acute angle is between 69° and 75°, but preferably 72°. This ensures the best possible adaptation to the ergonomics of an average user.

It is preferred that the two angles are different. Due to the different angles, which are oriented in such a way that the distance between the standing aid and the standing desk decreases in the direction of the two foot elements, it is not necessary to readjust the distance between the standing aid and the standing desk at the foot elements.

to adjust and fix them back into position when users of different heights want to work at the standing workstation. The adjustment is done simply by moving the seat element along the first support element and moving the worktop along the second support element, up or down.

Preferably, the difference angle between the two acute angles is between 8° and 14°, although 11° is particularly preferred. These angles are particularly well suited to the human proportions of height and arm length of an average person.

It is also advantageous if the worktop can be set at different inclinations, preferably between 0° and 70° to the horizontal, relative to the second support element. This allows even better fine-tuning to the ergonomics of a specific user and at the same time the inclination of the work surface can be adapted to the work to be done.

It is particularly advantageous if the inclination can be adjusted continuously. For some applications it may be optimal to have an inclination of the worktop that lies between two otherwise existing discrete settings. The stepless adjustment is preferably carried out using a double spindle, as this allows a large change in inclination to be achieved with a small angle of rotation.

It is also advantageous if means are provided so that the worktop can be moved in its distance from the standing aid. This makes it possible to vary the distance between the worktop and the standing aid, which is particularly necessary for corpulent users so that they do not have to squeeze between the worktop and the standing aid. In addition, such a displacement is also advantageous for users with different length arms, as it

For ergonomic reasons, they require a different distance between the standing aid and the worktop than users with shorter arms.

It is also advantageous if the second carrier element has a stationary part and a part that is movable along its longitudinal direction, with the stationary part preferably enclosing the movable part in the radial direction like a sleeve. This provides very good guidance of the movable part in the stationary part. The guidance is well protected against mechanical damage and dust.

It is advantageous if the movable part can be moved continuously relative to the stationary part. This allows the standing desk to be adjusted to any desired height.

It is preferred that a crank is provided on the stationary part and a belt is connected to it and to the movable part. The movement of the movable part is achieved by the crank by winding or unwinding the belt. Since the belt is connected to the movable part at its other end, the latter moves up or down. Such a mechanism is easy to assemble and maintain, resulting in low costs for production and maintenance. It is preferred that the crank has a self-locking mechanism. This simplifies operation since there is no need for locking means, such as a ratchet that engages a gear.

A further advantageous development of the invention provides that the standing desk has a motor, in particular one operated by batteries, which moves the movable part to the stationary part. This provides a possibility that enables the height of the worktop to be adjusted effortlessly. This is particularly advantageous for users with back problems, as they do not have to exert any force. It is particularly advantageous if the motor does not

cable feeders, as it can then be operated anywhere without a power supply and the overall aesthetic impression of the standing workstation is not disturbed. A cordless screwdriver is particularly suitable for this.

It is also advantageous if the standing desk has castors. The standing desk can then be easily pushed from one position in the room to another by a single person without having to rely on the help of another person. The standing aid, which is generally so light that it can be carried easily by one person, is then simply carried to the new position of the standing desk and connected to it again to form a standing workstation. The castors are preferably covered by the second foot element. This gives the second foot element a particularly attractive shape, so that the standing desk as a whole looks very aesthetic. On the other hand, the risk of hitting your feet on the castors or getting caught on them is averted.

It is also advantageous if the first and/or second foot element has sliding elements on its underside. This means that the foot elements do not rest with their entire surface on the floor and uneven floors are not as noticeable. In addition, the standing desk and the standing aid can easily be moved over short distances without dismantling the standing workstation into a standing aid and standing desk.

It is advantageous if the two foot elements are connected to one another in a form-fitting manner, especially if the second foot element at least partially encloses the first foot element. The form-fitting connection makes it possible to fix the position between the standing aid and the standing desk particularly easily and inexpensively. To fix the position, only one foot element needs to be hooked into the other.

It is also advantageous if a backrest that can be moved along the first support element is attached. This allows the user's back to be further relieved, as they not only have two support points, i.e. the feet and the buttocks, but also a third support point that supports the lumbar region. This leads to a significant relaxation of the muscles in the working position.

It is advantageous if a fixing device is provided that enables the position of the seat element and/or the backrest to be fixed steplessly along the first support element. This enables precise adjustment to the height and proportions of the limbs of a specific user. This also contributes to optimizing the working position, so that the strain on the back is reduced.

It is also advantageous if a footrest is arranged on the second support element. This footrest can preferably be moved along the second support element, and it is particularly preferably infinitely adjustable to the support element. This can provide further relief for the back, as leaning on the footrest is closest to the optimal ergonomic position. The infinitely adjustable position allows for very fine adjustment to the respective user.

Further details and advantages of the invention are the subject of the embodiment, which is described with reference to the following figures. They show:

Figure 1 is a side view of a standing workstation according to the invention from direction I in Figure 2,

Figure 2 is a plan view of the first and second foot element from direction II in Figure 1,

Figure 3 shows a section through the two foot elements along the line HI-III in Figure 2 and

Figure 4 shows a section through the standing desk seen from direction IV in Figure 2.

Figure 1 shows a standing workstation consisting of a standing aid H and a standing desk P. The standing aid H has a base plate 1 under which gliders

8 are attached, by means of which it stands on a floor B. A support 2 is attached to the base plate 1 at an acute first angle α. The support 2 is connected to the base plate 1 by two stabilizing struts 3a, 3b in such a way that it can withstand the weight of a person without being bent. The support 2 is designed as a double strut, in the space between which a seat 4 and a backrest 6 can be moved parallel to the support 2, along the arrow 27, and can each be fixed in the desired position on the support 2 by means of a clamping lever 5, 7. The acute first angle α is 72°. The seat 4 and the backrest 6 are adjusted in such a way that they enable the most ergonomic support for the respective user.

The standing desk P also has a base plate 9, under which gliders 8 are attached on which the standing desk P stands on the floor B. On the base plate

9, a column 32 is arranged at an acute second angle ß, which is 83° to the horizontal part of the base plate 9. At the upper end of the column 32, a worktop 12 is attached, which can be moved parallel to the column 32, along the arrow 28. The worktop 12 is made of laminated wood and coated with a permanent magnetic film. This allows holding devices, for example made of metal, to be attached to the worktop 12, which ensure that the work tools and documents on it do not slip off even when the worktop 12 is tilted. The holding devices are, for example, L-shaped.

The column 32 consists of three aluminum profile tubes 10a-10c. Two of the tubes 10b, 10c are firmly screwed to the base plate 9. Between these two tubes 10b, 10c, the third, movable tube 10a is guided in plastic guides so that it can be moved along the arrow 28. The two permanently mounted, immovable tubes 10b, 10c are screwed to their front and back with glued wood panels 11a, 11b. The worktop 12 attached to the movable tube 10a can thus be brought to a height that is optimally adapted to the height of the user of the standing workstation. The base plate 9 is made of steel and powder-coated. In the area where the column 32 is screwed to the base plate 9, the base plate 9 is bent in a U-shape, with the U opening downwards. The top of the U has an angle of 7° with respect to the horizontal part of the base plate 9. This forward-tilted position gives the column 32 mounted vertically on it the aforementioned inclination with respect to the horizontal. The U-shaped part of the base plate 9 merges into the horizontal part via the slope 17. Below the support 32, in the cavity formed by the U, two rollers 14 are mounted, which make it easier to move the standing desk P.

The gliders 8 ensure that the foot and base plate 9,1 do not rest completely on the floor B and thus unevenness in the floor can be compensated for.

The worktop 12 is connected to the movable tube 10a of the column 32 via an axis 18. Between the worktop 12 and the movable tube 10a there is an adjustment mechanism in the form of a double spindle 11, which can be rotated against the worktop 12 in the direction of the arrow 29. This allows the worktop 12 to be tilted around the axis along the circular arc 30. This ensures individual adjustment to the physical needs of the user. The rotation axis 18, which is not physically present and is connected to the top of the movable tube 10a, engages in a hole 13 in a strip 19 to the left and right of the

movable tube 10a. There are several holes 13 in the strips 19, so that the table top 12 can be moved along the arrow 31. This ensures that even corpulent people can use the standing workstation without having to squeeze between the worktop 12 and the standing aid H.

In Figures 2 and 3, the base plate 9 and the base plate 1 are shown without structures. Figure 3 will not be discussed in detail here, as it is essentially a section of Figure 1, which is only shown to better illustrate the spatial design of the two plates 1, 9 from Figure 2. The base plate 1 of the standing aid H is H-shaped. The support 2 is attached to the left strut 15 of the base plate 1. The left strut 15 is enclosed by a recess 16 in the base plate 9 of the standing desk P to such an extent that the two plates 1, 9 engage one another in a form-fitting manner and cannot be moved apart in the horizontal plane, here the plane of the page. This means that the distance between the standing aid H and the standing desk P is always kept the same. If the standing desk P and the standing aid H were not connected to each other, the two would change their position relative to each other with every sudden movement of the user and would have to be brought back into a certain position relative to each other for optimal adjustment to the user. This design eliminates this additional alignment work. The foot plate 9 is bulbous and wide, so that the user has more than just a small area in which to place his foot on the foot plate, otherwise he would have to adopt an ergonomically unfavorable position outside the foot plate 9 or on its edge. The form-fitting connection between the two plates 1, 9 creates a seamless surface on which the user can stand very well.

In Figure 4, the adjustment mechanism for the height adjustment of the table top 12 of the standing desk P is clearly visible along the arrow 28. A crank mechanism 21 is attached to the front cover 11b, via which the movable tube

10a is moved along the arrow 28 by means of a crank 20 which is rotated in the direction K. The crank mechanism 21 is connected to a reel 22 onto which a nylon belt is wound. The belt has a loop at its lower end through which a collar screw 24 is inserted, which connects the nylon belt 23 to the lower end of the movable tube 10a via a nut 25. The movable tube 10a has a sliding block 26 at its lower end in its grooves facing the immovable tubes 10b, 10c, which slides in the grooves of the immovable tubes 10b, 10c facing the movable tube 10a. On the top of the immovable tubes 10b, 10c, the design is just the opposite, i.e. a slotted nut is fixed in the grooves of the fixed tubes 10b, 10c, which slides in the respective grooves of the movable tube 10a. The drive shaft of the crank mechanism is guided through one of the two immovable tubes 10b, 10c and the crank 20 is attached from the outside and screwed to the shaft.

In addition, Figure 4 clearly shows how different holes 13 are arranged in the strip 19. The pivot axis around which the worktop 12 can be tilted against the movable tube 10a is arranged in the middle of the five holes 13. The connection between the strip 19 and the movable tube 10a is ensured by a collar screw 18 on each side of the worktop 12.

Claims (27)

Expectations: 1. Standing workstation with a standing aid (H) which has a first foot element (1), on which a first support element (2) is arranged, on which a seat element (4) is arranged, and with a standing desk (P) having a second foot element (9) on which a second support element (32) with a worktop (12) is arranged, characterized in that that the first (1) and second foot element (9) are designed as first and second plates and together form a continuous surface. 2. Standing workstation according to claim 1, characterized in that the first (1) and second foot elements (9) are connected to one another in such a way that the standing aid (H) and the standing desk (P) are fixed in their mutual position. 3. Standing workstation with a standing aid (H) which has a first foot element (1), on which a first support element (2) is arranged, on which a seat element (4) is arranged, and with a standing desk (P) which has a second foot element (9) on which a second support element (32) with a worktop (12) is arranged, characterized in that the first ((1) and second foot elements (9) are connected to one another in such a way that the standing aid (H) and the standing desk (P) are fixed in their mutual position. 4. Standing workstation according to claim 3, characterized in that the first (1) and second foot element (9) are designed as first and second plates and together form a continuous surface. -13- 5. Standing workstation according to one of the preceding claims, characterized in that the seat element (4) is arranged displaceably along the first support element (2) and/or the worktop (12) is arranged displaceably along the second support element (32). 6. Standing workstation according to one of the preceding claims, characterized in that the first support element (2) encloses an acute first angle (α) with the first foot element (1) and/or the second support element (32) encloses an acute second angle (ß) with the second foot element (9). 7. Standing workstation according to claim 6, characterized in that the first acute angle (α) is between 69° and 75°, but preferably 72°. 8. Standing workstation according to claim 6 or 7, characterized in that the first (α) and second angles (ß) are different. 9. Standing workstation according to claim 8, characterized in that the difference angle between the two acute angles (α, β) is between 8° and 14°, but preferably 11°. 10. Standing workstation according to one of the preceding claims, characterized in that the worktop (12) can be fixed at different inclinations, preferably between 0° and 70° to the horizontal relative to the second support element (32). * _φ -14- 11. Standing workstation according to claim 10, characterized in that the inclination is continuously adjustable, preferably via a double spindle (11). 12. Standing workstation according to one of the preceding claims, characterized in that means are provided so that the worktop (12) can be displaced in its distance from the standing aid. 13. Standing workstation according to one of the preceding claims, characterized in that the second support element (32) has a stationary part (10b, 10c, 11a, 11b) and a part (10a) movable along its longitudinal direction (28). 14. Standing workstation according to claim 13, characterized in that the immovable part (10b, 10c, 11a, 11b) encloses the movable part (10a) in the radial direction like a sleeve. 15. Standing workstation according to one of claims 13 or 14, characterized in that the movable part (10a) is continuously displaceable relative to the immovable part (10b, 10e, 11a, 11b). 16. Standing workstation according to claim 15, characterized in that a crank (20) attached to the immovable part (10b, 10c, 11a, 11b) and a belt (23) connected to it and the movable part (10a) are provided. 17. Standing workstation according to claim 16, characterized in that the crank (20) has a self-locking mechanism. -15- 18. Standing workstation according to one of claims 13 to 17, characterized in that the standing desk (P) has a motor, in particular a battery-operated motor, which displaces the movable part (10a) towards the immovable part (10b, 10c). 19. Standing workstation according to one of the preceding claims, characterized in that the standing desk (P) has castors (14). 20. Standing workstation according to claim 19, characterized in that the rollers (14) are covered by the second foot element (9). 21. Standing workstation according to one of the preceding claims, characterized in that the first (1) and/or second foot element (9) have sliding elements (8) on their underside. 22. Standing workstation according to one of claims 2 to 21, characterized in that the two foot elements (1, 9) are positively connected to one another, in particular that the second foot element (9) at least partially encloses the first foot element (1). 23. Standing workstation according to one of the preceding claims, characterized in that a backrest (6) which can be displaced along the first support element (2) is attached to it. 24. Standing workstation according to one of the preceding claims, characterized in that a fixing means (5, 7) is provided which fixes the position -16- of the seat element (4) and/or the backrest (6) with respect to the first support element (2) is possible in a stepless manner. 25. Standing workstation according to one of the preceding claims, characterized in that a footrest is arranged on the second support element (32). 26. Standing workstation according to claim 25, characterized in that the footrest is displaceable along the second support element (32). 27. Standing workstation according to claim 26, characterized in that the footrest can be continuously fixed to the second support element (32).