VERSATILE FOLDABLE WRITING TABLE MECHANISM BODY SUITABLE FOR FIXED ROOM-STYLE ARMCHAIRS.

Abstract

This invention allows a device to enter the armrests of living room chairs from the top or front of the armrest. for mechanisms that include a removable writing tablet and a writing tablet carrier shaft that acts as a carrier arm by scanning a diameter during the movement of the writing tablet in and out of the armrest. It has a universal body structure, characterized by its base plate and base. lateral plates positioned opposite each other and joined to the long edges of the plate plates, adjustment pin holes located opposite each other on the lateral plates, The lateral movement mentioned is achieved by inserting the adjustment pin between the holes and using a worm gear mechanism. A device that allows plates to be moved closer together or further apart, and for writing During the movement of the writing tablet into the armrest, the writing tablet rests against the carrier shaft. a mechanical stop that ensures the table's movement stops at a specific limit point At least one adjustment pin (31) which serves the function is located on the writing table carrier shaft (2) The shaft fixing protrusions (5) ensure that the writing tablet is fixed when it is placed inside. It includes fixing slots (25) located opposite each other on the lateral plates (20).

Description

1 TARIFF SUITABLE FOR VERSATILE USE IN FIXED ROOM-STYLE SOFAS. FOLDABLE WRITING TABLE MECHANISM BODY Technical Area This invention involves the use of writing tablets found in stationary armchairs, specifically those attached to the armrests of those chairs. It relates to the body structure that holds the mechanisms allowing its parts to move in and out. The invention, more specifically, applies to the lower-front or upper sides of the armrest section and to the right or left armrests. Holder housing 10 for mechanisms of writing tablets that function correctly (sliding in and out of the armrests) a special body structure that allows the use of a single body structure regardless of orientation It relates to its structure. Thanks to the invention, the armrest can be placed on the lower or upper part and on the right or left side. The mechanisms of the writing tablets that slide in and out of the armrests are assembled onto a single, uniform body. It is possible to position it. Previous Technique 15 In halls where performing arts such as cinema, theater, classical concerts, opera, ballet, etc. are performed, and in venues such as amphitheaters, studios, conference halls, and auditoriums, the audience (usually each Seats that allow spectators to sit (independently) are described in this specification as "hall-type fixed seats". These are defined as "armchairs." The armchairs mentioned are more commonly referred to as "salon armchairs." It is called as follows: 20 By integrating these into the seats in the aforementioned hall, viewers will be able to write or use computers. It allows the use of devices such as tablets and notebooks, and can be folded or used as an armrest when needed. A flat-surfaced component that takes up minimal space when not in use, concealed within its interior; a "writing tablet". It is defined as such. Located on either side of the armchair, and with a writing tablet inserted from the top or front-bottom, 25 The compartment where the writing tablet is stored is called the "armrest" in this specification. The armrest is the part of the writing tablet that holds the tablet. with an opening that allows it to be concealed inside or removed when needed and It can optionally have a hinged lid. 2 The writing tablet can move in and out of the armrest and can be opened when needed. The components that bring it to the user's attention include: a spring shaft, a writing tablet carrier shaft, and a rotary joint. A system consisting of similar moving components is defined as a "mechanism". The mechanism ensures that the writing tablet opens and closes securely and stably. Spring-loaded and hinged movement that allows it to stop at a specific point or retract inwards. 5 It has the following elements. It ensures the stable operation of the mechanism and unites all its components. a carrier piece that holds it in place and makes it possible to mount it inside the armrest This is called the "body". The body supports the mechanism, forming a stable structure, and It serves as a support for the movement of the writing tablet in and out of the armrest. The existing 10 In technology, writing tablet mechanisms that operate from above or below and from the right or left. Different housing structures are used for this purpose. Both the direction of operation of the mechanism and the assembly Its location necessitates the use of these different body structures. In current technology, all It does not have a body structure suitable for its working directions. By "body structure," we mean the 15 located on the body that allows the body to be mounted into the armrest. holes, pinholes, fixing slots that allow the mechanism to be mounted inside the housing. These are holes, stoppers, adjustment screws, and pins. In patent document number CN116548763A titled “Chair for Auditorium”, the text The text describes a mechanism that allows the tray to slide into the armrest from the bottom. The mechanism in question allows the writing tablet to move forward-up (opening movement) and backward-down (armrest 20 (the inward movement) ensures that it moves correctly. However, this design has a certain It remains consistent with the mounting orientation and only supports a one-way mechanism. Mounting There are limitations in terms of flexibility, and different housing elements are required for each mounting orientation. It requires. In conventional technology, the mounting direction of the writing tablet mechanisms used in lounge chairs is 25. body designs that complicate the production process and are ergonomically inadequate. It is available. In current solutions, the body is only a specific part of the writing tablet mechanism. It supports working in this direction, provides flexibility in the assembly process, and production This increases their costs. This situation involves holes, slots, and openings on the fuselage. This is due to the fact that their positions are adjusted according to a single mechanism structure. This 30 body structures, mechanisms that allow the writing tablet to move in different directions It does not offer a "universal" solution. 3 Brief Description of the Invention This invention eliminates the limitations and drawbacks associated with existing solutions. by removing it, the lettering that slides in and out of the armrests of the lounge chairs with a single body structure. Its table mechanisms can adapt to different mounting and operating orientations. The invention is a folding writing tablet that can be placed inside the armrest of fixed seating in a lounge. an innovative housing structure that provides versatile mounting compatibility for its mechanisms It is related. The main purpose of the invention is to create different assembly orientations because they operate in different directions. To ensure the integration of writing tablet mechanisms into a uniform body structure, production The aim is to standardize the process and simplify assembly procedures. The innovative aspects of the invention can be listed as follows: 10 Versatile mounting compatibility: Single (identical) body configuration, from the right, left, top or It allows for the installation of a bottom-operated writing tablet mechanism. Furthermore, this work... It is also possible to mount it in different positions within the armrest, depending on its shape (orientation). This solution eliminates the need for mounting holes, pin holes, mechanism holes, Thanks to the fact that the positions of the slots and openings are specifically adjusted for this purpose, 15 It is possible. Standardized production and low cost: Separate housings for mechanisms operating in different directions. There is no need to produce the structures. Thus, production efficiency increases and costs decrease. It is falling. Optimized structure: Holes, slots, openings, pins and 20 on the fuselage structure. The pin holes are optimized to allow mounting in any direction. Pin-based stopper integration: Bringing the lateral plates of the body closer together. and / or adjustment pins that allow its removal, also located inside the armrest of the writing tablet. During its correct movement, the writing tablet carrier shaft stops at a certain limit point. They act as stoppers, allowing the writing tablet to be positioned within the armrest. It remains in an ideal condition for subsequent use. Writing tablets and their mechanisms that are used either right-handed or left-handed. the mechanism includes rotary joints and a housing that allows rotation in both directions. It has fixing slots that allow it to be secured in both directions. Thus 4 writing tablets and their mechanisms that can be used both to the right and to the left. Only one body configuration can be used for this. The invention allows for the mounting of writing tablets used in lounge chairs in different directions. It offers a universal fuselage structure that provides different aspects. By offering a standardized solution for moving mechanisms, the production process can be streamlined to 5 It simplifies things and minimizes error rates during the assembly phase. The invention incorporates the same body structure into the armrest, with the mechanism operating from both the top and the bottom. It has special mounting points that allow it to be assembled in this way. In addition, the body The pin inside, which also acts as a stopper, prevents the body's opening from opening. By allowing for adjustment, it enables the mechanism to move precisely. 10 and thanks to its locking feature, the writing tablet is positioned ideally inside the armrest (too far in). by preventing it from escaping and keeping it in place, allowing the user to easily open and close the writing tablet. It helps to close it. The adjustment pins used in the invention are used to bring the lateral plates of the body closer together or While it acts as an adjustment mechanism that allows for its removal, it also serves as 15 It acts as a stopper, defining the limits of the writing tablet's movement. These adjustment pins, preferably configured as worm gears, operate on the following principle: Adjusting the Lateral Plates: Adjustment pins are pins with a specific diameter drilled into the body. They are placed in the holes. The number and placement of the holes where the adjustment pins are positioned, It allows for width adjustment of the body. During assembly, the adjustment pins are placed in different holes. By adjusting its placement, the width of the body can be made compatible with different mechanisms. Setting the Text Tablet Movement Limit: Another function of the adjustment pins is to set the text tablet's movement limit. The purpose is to define the movement limits. The writing table carrier shaft moves by scanning a diameter. Adjustment pins on the carrier on the housing ensure it stops at a specific limit point. It is positioned on a trajectory along which the shaft can move. The writing tablet carrier shaft, movement 25 When the adjustment pins come into contact during this process, the pins act as stops, preventing the writing tablet from rotating. It prevents the armrest from moving inward excessively. This ensures that the writing tablet remains in the correct position within the armrest with every use. a mechanical stop that prevents the table from moving too far forward or being positioned incorrectly The mechanism is thus provided. The body is adapted to mechanisms operating in different directions. In order to provide this, it has been made universally available. This invention will be further illustrated in more detail with the accompanying drawings. The invention is described as follows: Versatile Use Suitable for Fixed Salon Seating. The foldable writing tablet mechanism body is shown in Form 5 in the annex to the specification. and is not limited to these elements. Figures are for illustrative purposes only. Explanation of the Figures Figure 1 shows the lateral sheet metal section of the body with the adjustment pin and mechanism pins installed. This is a (side) perspective view. Figure 2 Base plate 10 with the housing, adjustment pin and mechanism pins installed. This is a perspective view from below. Figure 3 Perspective of the body with the mechanism installed and the writing tablet open. It is the appearance. Figure 4 shows the base plate of the body with the mechanism installed and the writing tablet open. It is a perspective view from that point. 15 Figure 5 Perspective of the body with the mechanism installed and the writing tablet closed. It is the appearance. Figure 6 shows the base plate of the body with the mechanism installed and the writing tablet closed. It is a perspective view from that point. Explanation of references: 20 NO PART NAME 1 Body 2 Writing table carrier shafts 3 writing tablet plates Shaft fixing protrusions 25 Base plate 6 11 Base plate mounting holes Lateral plate 21 Carat pin hole 22 mounting holes 23 Carrier shaft pin hole 5 24 spring shaft pin holes Fixing slot 31 Adjustment pins 33 Carrier shaft pin 34 Spring shaft pin 10 Detailed Description of the Invention This invention allows for the insertion of a device into the armrests of living room chairs, either from the top or the front of the armrest. a writing tablet that can be moved in and out manually or with any drive system, and the writing tablet itself. The inscription 15 acts as a carrier arm, scanning a diameter as it moves in and out of the armrest. a universal housing (1) structure for mechanisms including a table carrier shaft (2) Its characteristic is; A rectangular base plate (10) and attached to the long sides of the base plate (10), positioned opposite each other at an angle of 75 to 120 degrees with the base plate(10) lateral plates(20), 20 Located opposite each other on the lateral plates(20) and dividing each lateral plate(20) into two a lateral plate(20) mirroring on either side of the imaginary dividing midline adjustment pin holes (21) which have at least two on it, Located opposite each other on the lateral plates(20) and dividing each lateral plate(20) into two 25 a lateral plate(20) mirroring on either side of the imaginary dividing midline 7 having at least two of them and allowing the body(1) to be mounted inside the armrest mounting hole(22), Located opposite each other on the lateral plates(20) and dividing each lateral plate(20) into two a lateral plate(20) mirroring on either side of the imaginary dividing midline The carrier shaft pin hole(23) has at least two of them, 5 Located opposite each other on the lateral plates(20) and dividing each lateral plate(20) into two a lateral plate(20) mirrored on either side of the imaginary midline dividing line spring shaft pin hole(24) with at least two of them, Located opposite each other on the lateral plates(20) and dividing each lateral plate(20) into two a lateral plate(20) 10 on either side of the imaginary dividing midline in the form of a mirror. fixing slots (25) with at least two on it, The base plate(10) will allow the body(1) to be mounted inside the armrest. base plate mounting holes (11), By placing them between the opposing adjustment pin holes (21) on the lateral plates (20) With the feature of the worm gear, the lateral plates (20) mentioned are brought closer together and / or 15 and the tablet is moved away from the armrest during the tablet's movement. resting on the carrier shaft(2) the movement of the writing table stops at a certain limit point at least one adjustment pin(31) which acts as a mechanical stop, Between the opposing carrier shaft pin holes (23) located on the lateral plates (20) by placing the diagonal scanning movement of the writing table carrier shaft(2) the axis rotation point is 20 forming carrier shaft pin(33), Between the opposing spring shaft pin holes (24) located on the lateral plates (20) By being positioned, the spring creates the pivot point of the spring shaft's movement in the mechanism. shaft pin(34), The writing tablet is located between the carrier shaft (2) and the spring shaft and the writing tablet can be used with the right hand or left hand. The rotating movement of the writing table carrier shaft (2) in the open position for manual use. the rotary joint that enables it, 8 The rotation of the writing tablet is carried on the carrier shaft(2) and is performed by a rotary joint. at the end of its movement, to the corresponding fixing slots (25) located on the lateral plates (20) Shaft fixing protrusions (5) that enable the writing table to be fixed by being placed in position. The writing tablet is located at the outer end of the writing tablet carrier shaft(2) and the writing tablet is attached to the writing tablet carrier It includes a writing tablet plate (3) that allows it to be positioned on the shaft (2). 5 The technical structure and versions of the body(1) and mechanism are described below. This body(1) structure has a writing tablet mechanism that moves by sliding in and out of the armrest. one base plate (10) and two lateral plates which carry and attach to the armrest. It consists of plates (20). The base plate(10) is one of the main load-bearing elements of the body(1) and the writing tablet 10 It forms the main surface supporting the components of the mechanism. Mounting holes (11) in the base plate allow the base plate (10) to be fixed inside the armrest. It provides this. There are multiple holes to accommodate different mounting orientations. Base plate mounting holes (11) are mounted in the right, left, top and bottom positions according to the operation. They are placed symmetrically in a suitable manner. 15 Base plate mechanism, optionally available in different versions of the invention. The holes allow the writing tablet mechanism to be attached to the base plate (10). Different These holes are made to allow the installation of certain types of mechanisms. They are positioned at intervals. This allows the writing tablet to be used from both the top and the bottom. The mechanisms can be mounted on the same body(1). 20 Base plate(10), usually made of metal (steel, aluminum, alloy metals etc.) or high It is the main load-bearing element made of high-strength polymers. The base plate (10) is the body (1) To ensure durability during installation inside the armrest, it must have a specific thickness and strength. is selected. The lateral plates (20) are joined to the base plate (10) along the two long sides to form a three-dimensional body (1). It provides a structure. The lateral plates (20) are preferably perpendicular to the base plate (10) at 90 degrees along their long sides. It is positioned. The body(1) is obtained by bending the lateral plates(20) from a single plate. or can be produced by welding or other joint methods. 9 Mounting holes (22) allow the mounting of the lateral plates (20) into the armrest if required. Mounting holes (22) will be suitable for different mounting methods such as screws, rivets or welding. They are positioned in this way. The mechanism generally consists of: writing tablet carrier shaft(2), writing tablet plate(3), shaft fixing The protrusions (5) consist of a rotary joint and a spring shaft. The writing table plate (3), writing 5 The writing tablet plate (3) is an element to which the writing tablet is preferably positioned by screwing. The writing tablet is located at the outer end of the carrier shaft (2). The writing tablet carrier shaft (2), writing by scanning a diameter as the writing tablet moves in and out of the armrest and to the right or, when opened to the left, it rotates on its own axis, acting as a support arm. He sees. 10 Diagonal scanning performed during the movement of the writing table carrier shaft(2) into and out of the armrest. The carrier shaft pin (33), which is the center point of the axis of movement, opposite lateral plates (20) It is placed between the carrier shaft pin holes (23) that are opposite each other. On either side of the imaginary midline that divides each lateral plate(20) into two, mirrors of each other. There are carrier shaft pin holes (23). Thus, during mechanism assembly, 15 carrier shaft pin(33) in which the carrier shaft pin is placed according to the direction of movement of the mechanism The holes (23) can be changed. The carrier shaft pin (33) opens the writing table carrier shaft (2). The writing tablet is placed in the carrier shaft pin hole (23) near the end where it will be located. The carrier shaft pin (33) is positioned as the axis point of the carrier shaft (2). through the carrier shaft pin hole (23) on a lateral plate (20), then the writing tablet 20 from the pin channel located near the end of the carrier shaft(2) inside the housing(1) and finally by passing the carrier shaft pin through the hole (23) on the lateral plate (20) on the opposite side is being placed. The rotational movement of the writing table carrier shaft(2) is suitable for use with the right and left hand, The writing table is provided by the rotary joint between the carrier shaft (2) and the spring shaft. 25 The writing tablet carrier shaft (2) has a shaft fixing in the form of a four-sided projection on the shaft. There are protrusions (5). The writing table carrier shaft (2) is suitable for right and left hand use. At the end of the rotational movement it makes, the aforementioned shaft fixing protrusions (5) are lateral The plates (20) fit into the fixing slots (25) on the writing tablet It is ensured that it is fixed in place. 30 On the lateral plates(20) opposite each other and with respect to the central axis of each lateral plate There are adjustment pin holes (21) positioned in a mirroring manner. This adjustment The adjustment pin (31) is placed between the pin holes (21). Within the scope of the invention, the adjustment pin (31), It allows both the distance between the lateral plates (20) to be adjusted and the text stable operation by stopping the inward and outward movement of the table within certain limits. It offers. The adjustment pin(31) is located on the lateral plates(20) inside the body(1). The infinite 5 used to adjust the width of the body (1) by being inserted into the adjustment pin holes (21). They are screw structures. The body(1) is adjustable to accommodate all kinds of mechanisms. Adjustment pin holes (21) that allow the insertion of the pins (31) are on the lateral plates (20). It is positioned in both directions relative to the central axis. Adjustment pins (31), worm screw features It allows adjustment of the distance between the lateral plates (20). Thus The body(1) has been made compatible with different mechanism sizes. 10 The adjustment pin (31) also controls the writing table carrier during the inward and outward movement of the writing table. the function of a mechanical barrier (stopper) that causes the shaft(2) to stop at a certain point The adjustment pin (31) moves within the mechanism, along the writing tablet carrier shaft (2) It is positioned on its trajectory and when it reaches a certain point inside the armrest, the writing The writing table prevents the carrier shaft (2) from moving any further. Thus, the writing table prevents the carrier shaft (2) from moving any further every 15 After use, it remains in the same position inside the armrest and does not move inward more than necessary. This prevents the user from having difficulty opening and closing the writing tablet. and offers ergonomic use. The spring shaft pin (34), which is the center point of the axis of movement of the spring shaft, is oppositely lateral. 20 spring shaft pin holes (24) located opposite each other on plates (20) It is placed on either side of the imaginary midline that divides each lateral plate(20) into two. There are spring shaft pin holes (24) that mirror each other. Thus, the mechanism During assembly, the spring shaft pin (34) is placed according to the direction of movement of the mechanism. The spring shaft pin holes (24) can be replaced. The spring shaft pin (34) is first inserted laterally. through the spring shaft pin hole (24) on the plate (20), then near the end of the spring shaft 25 from the pin channel located and finally the spring shaft pin on the lateral plate (20) on the opposite side It is inserted by passing it through the hole (24). The adjectives such as "top", "bottom", "front", "back", "inside", "outside", and "side" used in the description refer to the invention. It does not define a priority, direction and / or order in a way that would restrict it. The invention These terms have been used to better understand its structure. 30

Claims

11 REQUESTS 1- This invention involves inserting a device into the armrest of a living room chair, either from the top or the front of the armrest. a writing tablet that can be moved in and out manually or with any drive system, and the writing tablet itself. The letter 5 acts as a carrier arm, scanning a diameter as it moves in and out of the armrest. a universal housing (1) structure for mechanisms including a table carrier shaft (2) Its characteristic is; - A rectangular base plate (10) and attached to the long sides of the base plate (10) in the figure, opposite each other at an angle of 75 to 120 degrees with the base plate(10). lateral plates (20) positioned, 10 - Located opposite each other on the lateral plates(20) and each lateral plate(20) a lateral line, mirroring on either side of an imaginary midline dividing it in two. The adjustment pin hole (21) which has at least two on the plate (20), - Between the opposing adjustment pin holes (21) located on the lateral plates (20) By being placed and with the feature of an endless screw, the aforementioned lateral plates (20) are connected to each other by 15 a device that allows the writing tablet to be moved closer and / or further away and is positioned inside the armrest. During its movement, the movement of the writing table rests on the carrier shaft(2) at least a mechanical stopper that causes it to stop at a specific limit point. It contains one adjustment pin (31). 2- The body mentioned in Claim 1 is (1), and its feature is; 20 located on the writing table carrier shaft (2). thanks to the shaft fixing protrusions(5) of the writing table carrier shaft(2) it settles as a result of the rotational movements to the right and / or left on its own axis. acting as sockets, thus providing stability to the writing tablet and lateral support. located opposite each other on the plates(20) and dividing each lateral plate(20) into two 25 on a lateral plate(20) mirrored on either side of the imaginary centerline. It must contain at least two fixing slots (25). 3- Claim 1 is the mentioned stem(1) and its characteristic is; - Located opposite each other on the lateral plates(20) and each lateral plate(20) a lateral line, mirroring on either side of an imaginary midline dividing it in two. The carrier shaft pin hole(23) on the plate(20) must have at least two, 30 12 - Between the opposing carrier shaft pin holes (23) located on the lateral plates (20) by being placed, the diagonal scanning movement of the writing table carrier shaft(2) axis rotation It contains a carrier shaft pin (33) which forms the point. 4- Claim 1 is the mentioned body(1), and its characteristic is that the lateral plates(20) are opposite each other. Mirroring on either side of the imaginary midline which divides each lateral plate(20) into two. such that there are at least two on a lateral plate(20) and on the fuselage(1) It includes mounting holes (22) that allow it to be mounted inside the armrest. 5- The body mentioned in Claim 1 is (1) and its characteristic is; - Located opposite each other on the lateral plates(20) and each lateral plate(20) A lateral line, mirroring on either side of an imaginary midline dividing the two, 10 spring shaft pin hole(24) with at least two on plate(20), - Between the opposing spring shaft pin holes (24) located on the lateral plates (20) by positioning the axis of rotation of the spring shaft movement in the mechanism It contains a spring shaft pin (34) that forms it. 6- Claim 1 refers to the body(1) and its feature is that it allows the body(1) to be mounted inside the armrest. 15 base plate mounting positioned on the base plate(10) in such a way as to provide base plate mounting It contains holes (11). 25

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