KR20090079518A - A chair board - Google Patents

Abstract

A chair board is provided to allow the supported angle of a panel to be varied slopely more easily by the revolution of a panel angle control part. A chair board comprises a panel(10) for loading a shelf in which a keyboard, a document, a book or the container for a meal is accommodated; a tension joining part(20) whose one side is fixed to the lower both sides of the panel by a fixing block and whose the other side is a free terminal, and which fixes the panel to the arm side by a tension hooking part formed at the end of the free terminal with supporting it elastically; and a panel angle control part(40) which is fixed to the lower both sides of the upper end of the panel so as to revolve, and varies the supported angle of the panel in two stage type according to the using state when the panel is loaded on a desk.

Description

Chair board {A chair board}

The present invention is inserted into and attached to the armrest of the desk or office chair used in the form of a multi-purpose table, such as keyboard work, paper work, meals while sitting on the chair without the user's movement, or an auxiliary table for keyboard work or reading on the desk It relates to a chairboard which can be used in the form.

In general, people who repeatedly work for a long time, such as computer work or paperwork often complain of muscle pain in the wrists, joints, neck, back, and shoulders. It is easy to find for the majority of office workers who work on office work such as designing (CAD) or writing documents using a computer, and various syndromes caused by these symptoms are becoming a social problem.

Representative examples include Video Display Terminal Syndrome (VDT) and Carpal-tunnel Syndrome, which can be performed for a long time while working on a computer or playing a game with an incorrect posture of an operator. It comes from doing.

Thus, in order to prevent the occurrence of such syndromes from a user or operator who uses the computer for a long time, the patent arm registered on November 19, 2007 "removable armrest with a keyboard holder (Patent Registration No. 0779391) And "Computer Chair (Utility Model Registration No. 0269705)," which was pre-registered on March 13, 2002, in which a patented keyboard holder is equipped with a removable armrest (hereinafter referred to as a detachable armrest). And a brief description of the utility model pre-registered computer chair as follows.

First, the detachable arm rest (patent registration No. 0779391) equipped with a patented keyboard holder can be firmly fixed to the armrest of the chair while being able to adjust the space vertically, vertically and horizontally, and the upper, lower, left and right adjustment brackets, "T &Quot; clamping means " organically coupled to " shaped rail pieces, width adjusting means, thickness adjusting means, curvature receiving member, coupling plate and the like; An armrest plate having a front and rear conveying rail groove at a lower surface thereof and being coupled to an upper side of the clamping means, and having a rail plate, a support plate, a cushion plate, a locking part, and the like; Peripheral device mounting means that is formed in a plate shape and bolted to one side of the armrest plate so as to mount peripheral devices such as mice and beverage bottles or cups; It is formed as a single body through the coupling guide piece formed with a plurality of guide holes while having a mounting portion and a detachable portion in which the left and right widths are enlarged / reduced on the upper and lower sides, and the first and second mounting gripping pieces constituting the mounting portion, the first and second spacing adjustment Organically coupled pieces, first and second guide bars, keyboard gripping elastic springs, and the first and second removable pieces, first and second detachable adjusting pieces, first and second guide bars and keyboard gripping elastic springs constituting the detachable part. It is configured to include a keyboard mounting means.

And, in the case of a utility model pre-registered computer chair (Utility Model Registration No. 0269705) and armrest plate which is installed with a sufficient width so as to hang the arms on both sides of the seat seat of the chair; A mouse supporter which is formed to be connected to the outside of the front end of the armrest plate and installed to perform a mouse work; It is coupled to the front end of the armrest plate by the rotating shaft plate, the support coupling plate is inserted into the support bracket of the armrest plate consists of a keyboard support to support the keyboard placed on the upper, fixed in the case of the keyboard support After the keyboard is in close contact with the block, when the screw shaft is rotated with the adjustment knob, the moving block is moved along the guide grooves, so as to be in close contact with the left and right and rear sides of the keyboard, respectively, to fix the keyboard.

However, in using the detachable arm rest and the computer chair provided with the conventional keyboard holder configured as described above, there are the following problems.

First, in the case of a detachable arm rest equipped with a conventional keyboard cradle, the organic coupling configuration for forming it is very complicated, and at the same time, the overall size of the arm rest including an arm rest plate and a keyboard mounting means that are fixed and fixed to the chair armrest. And there is bound to be bulky, moreover, there is a big problem, such as the use of mounting the keyboard on the armrest side of the chair is very cumbersome by binding the arm rest of the complex combination as described above to the armrest of the chair.

In addition, in the case of a conventional computer chair, the organic coupling configuration is also complicated to form the same, as well as the size and volume of the entire structure for the keyboard mounting, including the armrest plate and the keyboard support which are fixed to both sides of the seat seat seat of the chair will increase. In addition, as well as binding the armrest plate installed on the keyboard seat on both sides of the seat seat seat of the chair as described above and at the same time pivoting the keyboard support from one side of the armrest plate to the other side, the adjustment handle installed on the keyboard support, There is also a problem such as the use of the computer chair for mounting the keyboard on the armrest plate side of the chair, such as tightly fixed to the left and right and rear sides of the keyboard through the interlocking action of the screw shaft, the moving block, and the like.

And, in the case of the detachable arm rest and computer chair equipped with a conventional keyboard holder, the installation target is limited to chairs only because the structure is installed only on the chair when the organic coupling configuration and the use state for forming them are examined. In addition, according to the purpose of the user to install in parallel to the desk, there was also a problem such as limited in nature due to its structure.

In addition, the keyboard mounting means provided in the detachable arm rest equipped with the conventional keyboard holder and the keyboard support provided in the computer chair are placed on the container for paperwork or meal while being attached to the armrest of the chair. There is also a problem that it is very inconvenient to use in the form of a multi-purpose table, and it is extremely limited to use it for this purpose.

The present invention devised to solve the conventional problems as described above, one side is fixed and the other side is smoothly bound to the armrest side of the chair while the left and right flow by the tension action of the bent spring steel wire bent in a polymorphic form a free end By installing the tension coupling parts on both sides of the bottom of the bottom of the panel to support the panel together with the panel angle control parts on the top of both sides of the bottom of the panel so as to be inclined in two steps when the panel is seated on the desk, Compared to a conventional board that can be installed in only one chair or desk, it can be used anywhere in the chair or desk, and in particular, when the armrest portion of the desk or office chair is attached through the tension coupling part, the user can easily sit on the chair without moving the user. Holds containers for keyboarding, paperwork, reading or eating The purpose is to be able to use in the form of a multi-purpose table to put the storage shelf used.

In addition, in the present invention, by using the spring steel wire constituting the tension coupling portion to form a bent portion, such as a curved portion, an upright upright portion, a panel support portion, a coil portion and a tension hook portion, and at the same time with respect to the insertion hole position of the panel support portion By inserting and constructing a panel angle conversion member having a height difference, the panel can be more stably fixed and supported on the armrest side of the chair through the panel support portion in which the tension hook portion and the panel angle conversion member are inserted, and in particular, the panel angle conversion member. By inserting the upper and lower sides in reverse, there is another object to more easily and variably support the support angle of the panel bound to the armrest side according to the thickness of the chair armrest.

And, in the present invention, since the panel angle adjustment part is installed on both sides of the upper surface of the bottom of the panel so as to be inclined in a two-stage form when the panel is seated on the desk as described above, the chair board that is bound through the tension coupling unit armrest of the chair When detached from the seat and placed on the desk, the panel angle can be changed to be inclined in two stages more easily through the rotation of the panel angle adjusting unit, and the keyboard or book is placed on the tilted panel. Another purpose is to make it available as an auxiliary table for performing tasks or reading.

In addition, in the case of the present invention by providing a variable length support member for installing on the bottom of the upper panel, the auxiliary part of the panel, such as a keyboard, documents, books or storage shelves for storing containers for meals, etc. Another object is to allow the object to be mounted on the panel to be safely supported without falling to the floor.

The chair board of the present invention includes a panel for seating a storage shelf in which containers for keyboards, documents, books or meals are stored;

One side is fixed to both sides of the bottom panel by a fixing block and the other side forms a free end, the tension coupling portion for fixing and elastically fixing the panel at the same time the arm arm side through the tension hanger formed on the free end;

The panel is fixed to both sides of the bottom surface of the upper panel, and includes a panel angle control unit for changing the angle of support of the panel to be inclined in two stages according to the use state when the panel is seated on the desk, the chair board configured as described above It can be used in the form of a table by binding to the armrest of the office chair or seated on the desk.

In addition, the upper bottom surface of the panel is characterized in that it is further provided with an auxiliary support member for variable length so as to support the portion of the storage shelf for storing the containers for keyboard, paperwork, books or meals.

In addition, the upper surface of the panel is characterized in that the non-slip sheet is attached to prevent the sliding shelf accommodated in the keyboard or documents, books or containers for meals seated.

Chair of the present invention, one side is fixed and the other side of the panel bottom to support the panel with smooth binding to the armrest side of the chair while the left and right flow by the tensioning action of the spring steel wire bent in a polymorph form a free end Tension joints are installed on both sides of the bottom, and panel angle control parts are installed on both sides of the bottom of the panel so as to be inclined in two steps when the panel is seated on the desk. Compared to the board, it can be used anywhere on a chair or desk, and especially when the armrest portion of a desk or office chair is attached through the tension coupling unit, the user can easily perform keyboard work, paper work, reading or eating while sitting on the chair without moving the user. Place storage shelves for storing containers for use Has an excellent effect, such as that can be used as a separate table form.

In addition, in the present invention, by using the spring steel wire constituting the tension coupling portion to form a bent portion, such as a curved portion, an upright upright portion, a panel support portion, a coil portion and a tension hook portion, and at the same time with respect to the insertion hole position of the panel support portion By inserting and constructing a panel angle conversion member having a height difference, the panel can be more stably fixed and supported on the armrest side of the chair through the panel support portion in which the tension hook portion and the panel angle conversion member are inserted, and in particular, the panel angle conversion member. By inserting the upper and lower surfaces in reverse, there is also an effect such that the support angle of the panel attached to the armrest side can be more easily and variably supported according to the thickness of the chair armrest.

And, in the present invention, since the panel angle adjustment part is installed on both sides of the top of the bottom surface of the panel so as to be inclined in a two-stage form when the panel is seated on the desk as described above, the chairboard is bound through the tension coupling part both sides of the chair When detached and detached from the armrest and placed on the desk, the panel angle can be changed to be inclined in two stages more easily through the rotation of the panel angle adjusting unit, and at the same time, the keyboard is mounted on the inclined panel. It can also be used as an auxiliary table for reading or reading.

In addition, in the case of the present invention by providing a variable length support member for installing on the bottom of the upper panel, the auxiliary part of the panel, such as a keyboard, documents, books or storage shelves for storing containers for meals, etc. There is also an effect that can be supported safely without falling to the floor to the object mounted on the panel.

Chairboard of the present invention will be described in detail in comparison with the drawings.

1 is a perspective view schematically showing a chair board of the present invention, Figure 2 shows a perspective view of the chair board for the present invention, Figure 3 shows an exploded perspective view of the chair board for the present invention.

Chairboard (1) of the present invention, by inserting and binding to the armrest (A) portion of the desk or office chair to accommodate the containers for keyboard work, paper work, reading or eating in a seated state without the user's movement It is a device that can be used in the form of a multi-purpose table to put the storage shelf to be used, or in the form of an auxiliary table for keyboard work or reading on the desk (T), as shown in Figures 1 to 3 A versatile panel 10 for seating a storage shelf with keyboards, documents, books or containers for meals; One side is fixed to both sides of the bottom surface of the panel 10 by the fixing block 21 and the other side forms a free end, the panel 10 on the chair armrest (A) side through the tension hook portion 27 formed on the free end. Tension coupling portion 20 for binding and fixing the elasticity at the same time; The panel angle adjustment part is fixed to both sides of the bottom surface of the panel 10 so that the support angle of the panel 10 can be inclined in two steps according to the use state when the panel 10 is seated on the desk T. 40) is configured to include.

At this time, the chair board (1) configured as described above can be used in the form of a table by binding to the armrest (A) of the desk or office chair or seated on the desk (T), seated on the chair without the user's movement It can be used as a multi-purpose table that puts a storage shelf for storing containers for keyboard work, paper work, reading, and meal, or as an auxiliary table for keyboard work or reading on the desk (T). Once again, it can be.

Among the components of the chair board 1 of the present invention, in the case of the panel 10, a board is formed of a material such as MDF, plywood, acrylic, etc., and a lower side of the user board as shown in FIGS. 1 to 3. In order to minimize discomfort when adjacent to the site, it is concavely processed into an arc shape.

In addition, the upper surface of the panel 10 is made of PVC material to prevent the seated keyboard or documents, books, or storage shelves in which containers for meals are stored from slipping from the upper surface of the panel 10 to fall to the floor. Slip sheet 12 made of or tarpaulin is attached or coated.

In addition, in the case of the tension coupling portion 20 of the components of the chair board 1 according to the present invention is installed and fixed on both sides of the bottom of the bottom surface of the panel 10, one side is fixed by the fixing block 21 and the other side is The panel is formed on the armrest (A) side of the chair through the tension hook portion 27 formed at the free end of the bent spring steel wire while the left and right flows through the tension action of the spring steel wire bent in a polymorphic form. As an element for more securely binding and fixing the 10 and stably elastically supporting the panel 10, the spring steel wire bent in a polymorphic shape with tension as shown in FIGS. 22 is a main material, and a curved portion 23 bent in a "U" shape from one side of the spring steel wire 22 fixed by the fixing block 21; An inclined upright portion 24 bent upright obliquely downward from one end of the curved portion 23; It is bent inclined from one end of the inclined upright portion 24 is formed bent in a "c" shape to be spaced apart from each other, the support angle of the panel 10 is fixed to the chair armrest (A) side by the vertical thickness difference A panel support part 25 into which a panel angle converting member 30 having a height difference with respect to a position of the insertion hole 32 is inserted so as to be supported; Coupling of the panel 10 corresponding to the thickness of the chair armrest A by relieving the rigidity of the tension hanger part 27, which is wound up in the form of a coil from the lower end of the panel support part 25, is the final end of the spring steel wire 22. A coil part 26 to facilitate angle conversion; Tension hook portion 27 is formed to be bent in the form of "L" inclined downward from one end of the coil portion 26, is fixed to the lower end of the armrest (A) to secure the panel 10 to the armrest (A) side. Consists of

Here, in the case of the panel angle conversion member 30 inserted into the panel support part 25 of the tension coupling part 20 configured as described above, the panel on the chair armrest A side through the binding action of the tension hook part 27. The seat 10 is formed of a rubber material so as not to slip from the upper surface of the armrest (A), and the insertion hole 32 for inserting the panel support portion 25 is formed on one surface of the rectangular body. At this time, the formation position of the insertion hole 32 is not formed in the center of one surface of the quadrangular body is formed at a third point from the lower surface or the upper surface, such as different height from the upper and lower surfaces of the rectangular body with respect to the insertion hole 32 Have a car.

The reason for having a different height difference with respect to the position of the insertion hole 32 formed in the panel angle conversion member 30 as described above is that the spring steel wire 22 bent in a polymorph as described above, that is, the tension coupling part 20. In the panel angle conversion member 30 inserted into the panel support portion 25, the insertion state of one panel angle conversion member 30 of the two panel angle conversion members 30 is changed upside down (FIG. 6 and This is to make it easier to variably support the support angle of the panel 10 bound to the armrest A side according to the thickness of the chair armrest A through this.

In addition, in the case of the tension hook portion 27 of the tension coupling portion 20 to achieve the convenience and simplification of the operation for binding the panel 10 to the armrest (A) side of the chair panel ( It is formed only on one side of the tension coupling portion 20 of the tension coupling portion 20 installed on both sides of the 10, furthermore, the tension hook portion 27 does not slip from the lower end of the armrest (A) is attached to the armrest (A) side The tension hook portion 27 is coated with a coating material 28 made of rubber material or plastic material so that the panel 10 can be stably fixed and fixed.

When the panel 10 is fixed to the armrest (A) portion of the desk or office chair using the tension coupling unit 20 configured as described above, the keyboard work, the paper work, and the reading can be easily performed while the chair is seated without the user's movement. Or it can achieve a characteristic effect that can be used in the form of a multi-purpose table to put the storage shelf for storing and using the containers for eating.

And, in the case of the panel angle control unit 40 of the components of the chair board 1 according to the present invention is fixedly installed on both sides of the bottom surface of the top panel 10 when the panel 10 is seated on the desk (T) It is an element used to incline the support angle of the panel 10 in a two-stage form according to the use state, and as shown in FIGS. 2 to 3, the steel wire 42 or the stainless wire 42 is a main material. At the same time, the entire shape is formed in a triangular shape, wherein one end of the bent triangular shape is bent at a right angle and rotatably fixed by a fixing block 41 having a seating groove 41a at the center thereof. The other end of the bent triangular shape forms a free end bent at a right angle, and the fixed block 41 when the support angle of the panel 10 seated on the desk T is changed to a two-stage state. Rotatable by As the rotation of one end to a point toward the top of the panel 10, the apex portion bent to a triangular shape is not the angle of inclination of the desk (T) of the panel (10) adjustable in two stages through which as myeonchak on the upper surface of the.

In addition, in the state in which the panel 10 is seated on the desk T as described above, the panel 10 is prevented from slipping off the desk T and falling to the floor, and fixed on the desk T stably. The coating material 43 of rubber material or plastic material is coated on the panel angle control part 40 made of steel wire 42 or stainless wire 42 so as to be possible.

When the panel 10 is seated on the desk T using the panel angle adjusting unit 40 configured as described above, the support angle of the panel 10 is more easily formed through the rotation of the panel angle adjusting unit 40. By varying the angle to be inclined at the same time as the keyboard angle is mounted on the panel 10 is tilted through the panel angle control unit 40 as described above can achieve a characteristic effect that can be used as a secondary table for performing the keyboard operation or reading. have.

In addition, in the chair board 1 of the present invention, the upper surface of the panel 10 in order to be able to support a portion of the storage shelf for storing the keyboard, paperwork, books or containers for meals, etc. A variable length auxiliary support member 50 is further provided. In this case, the length variable auxiliary support member 50 stores containers for keyboards, documents, books or meals as shown in FIGS. 1 to 3. The steel wire 54 or stainless steel wire 54 is the main material and the overall shape is bent in a "c" shape so as to auxiliaryly support a portion of the storage shelf, and the bent auxiliary support. Both sides of the member 50 are fixed by fixing blocks 52 provided with seating grooves 52a at the center thereof so that the length of the upper side of the panel 10 is changed upward.

As such, when the variable length auxiliary support member 50 is installed on the bottom surface of the panel 10, an object shelf mounted on the panel 10, that is, a storage shelf for storing containers for keyboards, documents, books, or meals, may be used. By supporting a part of the auxiliary part 10 can achieve a characteristic effect that can safely support the object mounted on the panel 10 does not fall to the floor.

Figure 4 shows another embodiment of the chairboard of the present invention, Figure 5 shows a perspective view of the chairboard of yet another embodiment shown in FIG.

On the other hand, as another embodiment of the chair board 1 according to the present invention, which is one side of the lower side of both sides of the bottom surface of the panel 10 of the chair board 1 of the present invention shown in Figs. The tension hook part 27 formed by the free end of the bent spring steel wire is fixed by the 21) and the other side forms a free end and flows left and right by the tension action of the spring steel wire 22 bent in a polymorphic form. Tension coupling portion 20 for fixing the panel 10 to the armrest (A) side of the chair more smoothly and stably and elastically supporting the panel 10, that is, the armrest (A) side of the chair Tension hook portions 27 used to fasten and fix the panel 10 to each other are formed on both tension coupling portions 20 provided on both sides of the panel 10, as shown in FIGS. 4 and 5. And, it is applied to the chair board 1 of the present invention shown in Figures 1 to 3 Like the tension hanger 27, the tension hanger 27 applied to the chair board 1a of another embodiment shown in FIGS. 4 and 5 also has a tension hanger 27 from the bottom of the attached armrest A. In order to stably fix and fix the panel 10 on the armrest (A) side, the tension member 27 is coated with a rubber material or a plastic coating material 28.

Hereinafter, the process of attaching the chair board 1 of the present invention to a chair or a desk T, etc. will be described in detail with reference to the drawings.

6 and 7 are diagrams showing the state of use according to the thickness of the chair armrest chair chair of the present invention, Figure 8 is a diagram showing the state of use used by mounting the chair board of the present invention on a desk.

First, the process of binding and fixing the chair board 1 of the present invention to the armrest A side of the chair will be described by dividing the armrest A thickness of the chair into a thin state and a thick state.

In order to bind the chairboard 1 of the present invention to the chair armrest A side with a thin thickness, the tension coupling part 20 installed at both ends of the bottom surface of the bottom surface of the panel 10, that is, one side is fixed to the fixing block 21. And the other side is bent in a "U" shape from one side of the fixed spring steel wire 22 to form a free end and flow left and right by the tensioning action of the spring steel wire 22 bent in a polymorphic form. Curved portion 23, the inclined upright portion 24 bent inclined upright from one end of the curved portion 23, the inclined bent from one end of the inclined upright portion 24, and then be spaced apart from each other "C" shape A panel support portion 25 into which the panel angle conversion member 30 is inserted while being bent to a coil portion, a coil portion 26 wound in a coil form from a lower end of the panel support portion 25, and a bending portion from one end of the coil portion 26 Is formed of a tension hanger 27 is formed to be bound to the lower end of the armrest (A) As shown in Figure 6 using the tension hook portion 27, the last end of the tension coupling portion 20 is bound to the lower end of the thin chair armrest (A), the thickness of the chair armrest (A) is thin The inclined upright at the same time while being fixed to the lower end of the armrest (A) of the chair while maintaining the forming angle of the tension hanger 27 is bent in an "L" shape inclined downward from one end of the coil portion 26 The panel support 25 and the panel angle conversion member 30 inserted into the panel support 25 are bent to be bent from one end of the part 24 and spaced apart from each other. The panel supporting portion including the curved portion 23 and the inclined upright portion 24 includes the panel 10 which is fixed to the armrest A side of the chair by the tension hook portion 27 as described above. 25) and stable on the upper surface of the armrest (A) of the chair through the panel angle conversion member (30) Will be very supportive.

Here, (a), (b) of Figure 6 shows a process for varying the support angle of the panel 10 bound to the chair armrest (A) side of the thin thickness by the tension hook portion 27, Figure 6 (a) shows that all of the panel angle conversion members 30 inserted into the panel support part 25 are formed at a position 1/3 of the lower surface (2/3 from the upper surface). 6 (b) is a front side inserted into the panel support portion 25 side bent to be close to the inclined upright portion 24 of the panel angle conversion member 30 to be inserted into the panel support portion 25. Only the panel angle conversion member 30 of FIG. 6 is inserted into the state opposite to the panel angle conversion member 30 shown in FIG. 6A, that is, the insertion hole 32 of the front panel angle conversion member 30. ) Is fitted on the side of the panel support portion 25 formed close to the inclined upright portion 24 in a state where the position is located at 2/3 points (1/3 point from the top surface). As a state, through this process it is possible to more easily support the variable support angle of the panel 10 bound to the armrest A side of the same thickness.

On the contrary, in order to bind the chair board 1 of the present invention to the thick chair armrest A side, the tension hook part which is the final end of the tension coupling part 20 installed and fixed to both bottom ends of the bottom surface of the panel 10 is fixed. As shown in FIG. 7, when the bottom of the chair armrest A is thick as shown in FIG. 7, the chair armrest A is inclined downward from one end of the coil part 26. The forming angle of the tension hanger part 27 bent in the form of L "is deformed in the vertical form by the weight of the panel 10. At this time, the tension hanger part 27 on the chair armrest A side as described above. Tension formed integrally bent at one end of the coil part 26 when the weight of the panel 10 bound and fixed in a cantilever shape in cross section from the bound panel 10, that is, the coil part 26 and the tension hook part 27, is applied. The weight of the panel 10 is greater than the tension (elastic force) of the hook part 27. The tension hanger 27 to which the weight of the panel 10 acts on the door is rotated and deformed in a vertical form while applying a torsion to the coil part 26 to be bound to the lower end of the armrest A of the chair. A panel support 25 and a panel angle converting member 30 inserted into the panel support 25 are bent in an inclined manner from one end of the inclined upright part 24 and spaced apart from each other. The panel 10 including the curved portion 23 and the inclined upright portion 24 is seated on the upper surface of A) by the tension hook portion 27, which is bound to the armrest A side of the chair as described above. The support 25 and the panel angle conversion member 30 is stably supported on the upper surface of the armrest (A) of the chair.

Here, (a) and (b) of FIG. 7 is also similar to FIG. It shows a process for varying the support angle of the process, the process of varying the support angle of the panel 10 bound to the thick chair armrest (A) side is also the same process as (a), (b) of FIG. Since the overlapping description thereof will be omitted, description of the process of varying the support angle of the panel 10 by using the panel angle conversion member 30 shown in (a) (b) of FIG. As a substitute.

Next, the process of seating and using the chair board 1 of the present invention on the desk T is as follows.

First, when seating the chair board (1) of the present invention on the desk (T) with the panel angle control unit 40 in the original position, the panel angle control bent in a triangular shape as shown in (a) of FIG. Part 40, that is, a state in which the vertex portion bent in a triangular shape with one end rotatably fixed by the fixing block 41 is rotated to the lower end side of the panel 10, that is, the panel angle control unit 40 One end of the other end of the triangle and connected to the other end of the triangular shape is attached to the upper surface of the desk (T) and the panel angle conversion member 30 inserted into the panel support portion 25 of the tension coupling portion 20 to the panel 10 When the keyboard or the book is mounted on the panel 10 supported by the first inclination angle and the above-described inclination angle of the first stage, it can also be used as an auxiliary table for performing keyboard work or reading.

Here, in order to vary the inclination angle of the panel 10 from one stage to two stages, the panel angle adjusting unit 40 is rotated in reverse, that is, the panel fixed to the point by one end fixedly rotatable by the fixing block 41. When the panel angle control unit 40 is rotated to the upper end side of the panel 10, as shown in (b) of FIG. 8, the pivoted end is positioned at the upper side of the panel 10 and bent in a triangular shape at the same time. The vertex portion of the angle adjusting portion 40 is attached to the upper surface of the desk (T) to support the panel 10 with the coil portion 26 of the tension coupling portion 20 at a variable inclination angle of the two stages, As described above, when a keyboard or a book is mounted on the panel 10 that is variablely supported at two angles of inclination, it may also be used as an auxiliary table for performing keyboard work or reading.

As described above, the above-described embodiments are described with reference to the most preferred examples of the present invention, but are not limited to the above embodiments, and it will be apparent to those skilled in the art that various modifications can be made without departing from the technical spirit of the present invention. .

1 is a perspective view schematically showing a chair board of the present invention.

2 is a perspective view of a chairboard for the present invention.

Figure 3 is an exploded perspective view of a chair board for the present invention.

Figure 4 is another embodiment of the chair of the present invention.

5 is a perspective view of a chairboard of another embodiment shown in FIG.

Figure 6 and Figure 7 is a use state according to the thickness of the chair armrest chairboard of the present invention.

8 is a use state used to mount the chair board of the present invention on a desk.

Explanation of symbols on the main parts of the drawings

1, 1a. Chairboard 10. Panel

12. Non-slip sheet 20. Tension joint

21, 41, 52. Retaining block 22. Spring steel wire

23. Curved section 24. Inclined upright section

25. Panel support 26. Coil section

27. Tension hanger 28, 43. Cloth

30. Panel angle conversion member 40. Panel angle control unit

42, 54. Steel or stainless wire

50. Auxiliary support member A. Armrest

T. desk

Claims (7)

A panel for seating a storage shelf in which containers for keyboards, documents, books or meals are stored; One side is fixed to both sides of the bottom panel by a fixing block and the other side forms a free end, the tension coupling portion for fixing and elastically fixing the panel at the same time the arm arm side through the tension hanger formed on the free end; It is fixed to both sides of the bottom surface of the panel rotatable, and comprises a panel angle control unit for changing the support angle of the panel to be inclined in two stages in accordance with the use state when the panel is seated on the desk, It is a chair board characterized in that it can be used as a table by fastening to the armrest of a desk or an office chair or seating on a desk. According to claim 1, wherein the upper surface of the panel is further provided with a variable length auxiliary support member for supporting the part of the storage shelf for storing the containers for keyboard, paperwork, books or meals Chairboard. The method of claim 2, wherein the auxiliary support member for variable length is made of a steel wire or stainless steel to support the portion of the storage shelf for storing the keyboard, documents, books or containers for meals, the overall shape is Bent into the shape of "c", Chairs, characterized in that fixed to the both sides of the bent auxiliary support member by a fixing block having a seating groove in the center so that the length is changed in the upward direction from the bottom bottom of the panel. According to claim 1 or 2, wherein the tension coupling portion is made of a spring steel wire bent in a polymorphism while having a tension, A curved portion bent in a "U" shape from one side of the fixed spring steel wire; An inclined upright portion bent inclined upright from one end of the curved portion; The plate is bent to be inclined from one end of the inclined upright part and then bent in a "c" shape to be spaced apart from each other. A support; A coil part wound up from the bottom of the panel support part in a coil shape to ease the rigidity of the tension hook part, which is the final end of the spring steel wire, so as to easily change the binding angle of the panel corresponding to the thickness of the chair armrest; It is formed to be bent in the form of the "L" inclined from one end of the coil portion, the chair board characterized in that it is fixed to the lower end of the armrest and configured to secure the panel on the armrest side. According to claim 4, The tension hook portion is formed on one side of the tension coupling portion of the tension coupling portion provided on both sides of the panel for simplifying the panel attachment to the armrest side of the chair or both side tension coupling portion is formed, Chairs, characterized in that the tension member is provided with a covering material for fixing without slipping from the lower end of the armrest bound. According to claim 1 or 2, wherein the panel angle control portion is made of a steel wire or stainless steel bent in a triangular shape, One end of the bent triangular shape is bent at a right angle and is rotatably fixed by a fixing block having a seating groove in the center thereof.  The other end of the bent triangular forms a free end bent at right angles, and rotates to the upper end of the panel with one end fixed to the rotatable point when the support angle of the panel seated on the desk is changed to the second stage. And the vertex portion bent in a triangular shape adheres to the desk to support the angle of inclination of the panel, which is variable in two stages. Chair panel, characterized in that the panel angle control unit is installed with a coating material for preventing slip. The chair according to claim 1 or 2, wherein an anti-slip sheet is attached to an upper surface of the panel to prevent a seating keyboard or a storage shelf containing containers for documents, books or meals from slipping. board.

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