Seat-Load Activated Chair-Mounted Bag Lifting Mechanism

Abstract

The invention relates to mechanical bag carrying devices used in chairs and similar seating devices. It is related. The device consists of a main body (4) attached or attachable to the chair (1), and a lower and lower body on the main body. a bag carrier moving between upper positions (6), located on the bag carrier The bag strap (8) is a pre-tensioned spring that applies force to the bag carrier in the upper position direction. It includes the element (9) and a locking mechanism (12) that holds the bag carrier in the lower position. Load transfer plate with limited vertical movement in relation to the chair seat (2) (3) moves downwards as the user sits in the chair. Load transfer The movement of the plate rotates the trigger lever (16) around the trigger joint (20). The movement of the trigger lever is transmitted to the locking tab (13) via the mechanical transmission cable (18). By pulling the mechanical transmission cable, the locking tab is removed from the lock housing (15) and the bag The carrier is being released. When the locking mechanism is released, the pre-tensioned spring element guides the bag carrier through the structure. (5) moves the bag carrier from the lower position to the upper position. The upper mechanical It is held in the upper position when it reaches the stopper (10). After use, the bag carrier should be lowered to the lower position by the user against the spring force. It is moved. The angled lock entry surface (19) on the bag carrier temporarily locks the latch. It pushes back as follows; when the carrier reaches the lower position, the locking tab locks under the effect of the locking spring (14). It relocks the carrier by sliding it into its slot. Thanks to this invention, the bag can be placed without the user having to make an additional lifting motion. By means of a mechanical system triggered by the user's sitting weight, the vehicle is lifted off the ground and onto the upper floor. It is brought to the transport position.

Description

TARIFF Invention Title SEAT LOAD-TRIGGERED CHAIR-MOUNTED BAG LIFTING MECHANISM 1. Technical Area The invention describes a mechanical bag carrier used in conjunction with chairs and similar seating devices. It relates to the mechanisms of a portable bag carrier attached to a chair. mechanically locking it in the lower position against a pre-stressed spring element; The lock is a load that undergoes limited vertical movement as a result of the user sitting in the chair. It is opened and locked by the transfer plate and the trigger system that it moves. a bag that, when opened, allows the bag carrier to move to the upper position by spring force It is related to the lifting mechanism. 2. State of the Art 3. Purpose of the Invention The primary purpose of the invention is to mechanically transfer the load generated when the user sits in the chair. using the locking mechanism that holds the bag carrier in the lower position as a trigger input When unlocked, the bag carrier moves to the upper position using pre-tensioned spring force. The goal is to develop a mechanism that allows the bag to be lifted separately by the user. To reduce the need for it. To limit the bag's contact with the floor. To place the bag against the chair frame. To bring to a related upper transport position. Electric motor or electronic sensor. Enables mechanical operation without using the bag carrier. Locks when the bag carrier is lowered to the bottom position. To ensure the mechanism closes automatically. The mechanism is different for the chair. to allow their application to their structures. 4. General Description of the Invention The subject of the invention is a bag lifting device, a main one attached or attachable to a chair (1) It includes a body (4). There is a guide structure (5) on the main body (4). Bag A substructure (5) is guided along the carrier (6), slide or pulley elements (7) by means of a carrier (6), slide or pulley elements (7). It moves between the current position and a higher position. On the bag carrier (6), the bag There is a bag strap (8) that allows the attachment of 35 handles. The main body (4) and the bag A pre-stressed spring element (9) is located between the carrier (6). The spring element (9) is the bag The carrier (6) is extended and has stored energy when in the lower position. Therefore, the spring element (9) applies force to the bag carrier in the upper position direction. Bag carrier (6), It is held in the lower position by the locking mechanism (12). The locking mechanism (12) locks It includes 40 claws (13), locking spring (14) and lock housing (15). The locking spring (14) lock The claw (13) is arranged to apply force towards the lock slot (15). Chair a load transfer plate with limited vertical movement in relation to the seating plate (2) (3) is located. When the user sits in the chair, the load transfer plate (3) moves downwards. It has limited movement. The load transfer plate (3) triggers by pressing on the trigger contact end (17). The 45 arm (16) rotates around the trigger joint (20). The movement of the trigger arm (16), It is transmitted to the mechanical transmission cable (18). The other end of the mechanical transmission cable (18) It is attached to the locking tab (13). When the cable is pulled, the locking tab (13) is attached to the locking spring (14) It is removed from the lock housing (15) against the force. By opening the lock mechanism (12) The bag carrier (6) is released and the pre-tensioned spring element (9) releases the bag carrier. It moves the bag carrier (6) from the lower position to the upper position along the 50 guide structure (5). The movement ends when it reaches the upper mechanical stop (10). Bag carrier (6) To return it to the lower position, the carrier is subjected to the force of the spring element (9) by the user. It is moved downwards. The bag carrier (6) approaches the lower position. The inclined lock entry surface (19) on the carrier contacts the lock tab (13) 55 claws push back against the force of the locking spring (14). The lock housing (15) locks When aligned with the claw (13), the locking spring (14) pulls the locking claw into the lock housing. insert and the bag carrier (6) is locked back in the lower position. 1 5. Explanation of the Figures Figure 1: General view of the assembly attached to the chair with the bag carrier in the lower position. Figure 2: General view of the system with the bag carrier in the upper position. Figure 3: Load transfer plate, trigger lever, trigger joint, and mechanical transmission cable. It is the appearance. Figure 4: View of the locking mechanism that holds the bag carrier in the lower position. Figure 5: Pulling the mechanical transmission cable out of the locking tab's locking housing. removed It is the appearance. Figure 6: View of the main body, guide structure, bag carrier, and pre-stressed spring element. Figure 7: Inclined lock entry surface when the bag carrier is lowered to the bottom position. locking tab It is the appearance of the relationship and the re-locking between them. Figure 8: View of the bag strap, strap safety end, and secondary support surface. 6. Reference Numbers Reference Part Name 1 Chair 2 Seat plates 35 3 Load transfer plate 4 Main bodies Guide structure 6 Bag carriers 7. Slide or pulley element 45 8 Bag strap 9 Pre-stressed spring elements Upper mechanical stopper 11 Lower mechanical stopper 12 Locking mechanisms 55 13 Locking tab 14 Locking springs 2 Lock slot 16 Trigger levers 17 Trigger contact tip 18 Mechanical transmission cables 19 Angled lock entry surface Trigger joint 21 Main body connecting elements 22 Second support surface 23 Suspension safety tip 7. Detailed Description of the Invention The main body (4) can be fixed to the chair body during the production of the chair (1) It can also be attached to an existing chair later with the help of connecting elements (21). elements (21), such as clamp, U-shaped connector, connecting plate, bolt and nut It may consist of detachable mechanical fasteners. The guide structure (5) preferably It is in the form of two opposing rails or at least one guide channel. On the bag carrier (6) The slide or pulley elements (7) are movably coupled with the guide structure (5). Thanks to the connection, the bag carrier (6) can be moved to the lower and upper positions without separating from the guide structure. It moves between them. The guide structure (5) is the first one that extends vertically in an application. guide section and angled or curved in the direction that it approaches the chair frame according to this section It may include the second guide section that extends. Bag strap (8), attaching the bag handle. It is hook-shaped, which prevents the bag handle from unintentionally coming off the strap. Upward strap safety catch (23) at the end of the bag strap to limit the strap It can be found. The spring element (9) is preferably a tension spring. One end of the spring element is the main to the fixed attachment point on the upper part of the body (4), the other end to the bag carrier (6) It is attached to the movable attachment point on 35. The spring when the bag carrier (6) is in the lower position. element (9) is extended and pre-stressed according to its free length. Locking claw (13) is attached to the main body (4) in a movable manner. The locking spring (14) locks the locking tab to the bag. It presses down on the lock slot (15) on the carrier (6). Bag carrier (6) bottom When in this position, the locking tab (13) enters the locking slot (15) and the carrier is attached to the spring element (9) It resists the force in the 40° upper position direction. The load transfer plate (3) is attached to the seating plate. It is positioned in such a way that it can move vertically with limited range of motion according to (2). The load transfer plate (3) Upward and downward movement limit, with plate guides or mechanical stops It can be determined. The trigger lever (16) is attached to the chair frame via the trigger joint (20), seat rotation to a fixed part under its base or a fixed carrier associated with the main body It is connected in 45 ways. The trigger contact end (17) is at the first end of the trigger lever (16), and at the second end There is a connection point for the mechanical transmission cable (18). The user can attach it to the chair. With its seating, the load transfer plate (3) moves downwards and to the trigger contact end (17) It is pressing. The rotation of the trigger lever (16) pulls the mechanical transmission cable (18); the cable The other end attached to the locking tab (13) is in the direction of removing the locking tab from the lock housing (15). It moves 50. The bag is released by separating the lock tab (13) from the lock housing (15). The carrier (6) is released. The spring element (9) shortens under the influence of the pre-tension. working and moving the bag carrier (6) along the guide structure (5) toward the top position. It causes more when the bag carrier (6) reaches the upper mechanical stopper (10). It cannot move upwards. The lower mechanical stopper (11) is located at the bottom of the bag carrier. It restricts movement beyond 55 positions. In optional application, the main body (4) There is a second support surface (22) on it. The second support surface (22) is on the top of the bag. By making contact with a part of its body in this position, it reduces the oscillation of the bag and the bag 3 It transfers a portion of its load to the main body. After use, the bag carrier (6), It is moved downwards by the user against the force of the spring element (9). As the carrier approaches the lower position, the inclined lock entry surface (19) locks the lock tab (13). It pushes back against the force of the spring (14). The lock housing (15) is the same as the lock tab (13). When aligned, the locking spring (14) inserts the locking tab into the locking slot and the carrier bottom It is locked again in that position. 8. How the Invention Works Before using the device, the bag carrier (6) is in the lower position and the locking tab (13) is locked. It is inserted into its socket (15). The bag handle is attached to the bag strap (8). The user sits on the chair. When seated, the load transfer plate (3) moves downwards, releasing the trigger lever (16) trigger joint. (20) rotates around. The trigger lever pulls the mechanical transmission cable (18); the cable locks. He removes his claw (13) from the lock housing (15). When the lock is opened, the pre-tensioned spring element (9) moves the bag carrier (6) to the top position along the guide structure (5). Carrier top It stops when it reaches the mechanical stopper (10). After use, the carrier user It is lowered by the inclined lock entry surface (19) and the lock spring (14) It locks again in the lower position. 9. Application Methods in Industry The device that is the subject of the invention consists of metal profile, plastic, composite material, steel spring, mechanical cable and It can be manufactured using plastic or ball bearing rollers. Main body, guide structure, case. Carrier, trigger lever, locking claw and fasteners; cutting, bending, pressing, machining manufacturing, injection molding, welding and bolted assembly methods, by one or more of these. It can be produced in a repeatable manner. The mechanism can be integrated into new chairs. It can also be produced as a separate module that can be later attached to existing chairs. This Therefore, the invention is suitable for industrial application. 4

Claims

REQUESTS 1. It is a bag lifting mechanism that allows bags to be carried on a chair; its feature is: a main body (4) attached or attachable to the chair (1), a sub-body (4) on the main body (4) a bag strap that moves between the first and second positions and to which the bag handle is attached (8) carrying a bag carrier (6), connected between the main body (4) and the bag carrier (6). located, pre-tensioned when the bag carrier (6) is in the lower position and to the bag carrier a spring element (9) that applies force in the direction of the upper position, bag carrier (6) spring a lock with a locking tab (13) that holds it in the lower position against the force of the element (9). locking mechanism (12) containing the socket (15) when the user sits in the chair a load transfer plate with limited downward movement (3), load transfer plate (3) with its movement, a trigger lever (16) rotates around the trigger joint (20) and with the trigger lever (16) It includes a mechanical transmission cable (18) connected between the locking tab (13); load the transmission plate (3) moves downwards with the user's seat load, trigger lever (16) turning the trigger lever (16) by pulling the mechanical transmission cable (18) to lock the tab. (13) removing it from the lock housing (15) and opening the lock mechanism (12) as a result of the spring by the element (9) moving the bag carrier (6) from the lower position to the upper position It is the characterization of the situation.

2. It is a bag lifting mechanism according to Claim 1, and its feature is; the bottom and top of the bag carrier (6). a slider or roller on the bag carrier that directs its movement between positions It must include at least one guide structure (5) that matches its elements (7) in a movable way.

3. It is a bag lifting mechanism according to claim 2, and its feature is that the guide structure (5) is in the vertical direction. the chair according to the first guideline section that extends and the said first guideline section It includes a second guide section that extends in an inclined or curved direction towards the body.

4. It is a bag lifting mechanism according to claim 1, and its feature is that the spring element (9) is connected at one end to the main to the fixed attachment point on the upper part of the body (4) and to the bag carrier (6) with the other end It has a tension spring that is connected to a movable linkage point on it.

5. According to claim 1, the bag lifting mechanism has the feature that the locking tab (13) is a lock The spring (14) is arranged in such a way that force is applied to the lock housing (15). 40 6. According to claim 5, it is a bag lifting device, the feature of which is; on the bag carrier (6), the bag The carrier locks by contacting the locking tab (13) as it is moved towards the lower position. a slanted claw that moves its claw away from the lock housing (15) against the force of the lock spring (14) The key entry surface (19) is present.

7. According to claim 6, the bag lifting mechanism has the feature that the lock housing (15) is inclined. the lock entry surface (19) is located next to the bag carrier (6) when it reaches the lower position The lock tab (13) enters the lock housing (15) with the effect of the lock spring (14) and the bag It locks the carrier in the lower position.

8. According to Claim 1, it is a bag lifting mechanism, the feature of which is; bag strap (8), bag handle an upward strap safety tip (23) that limits the bag strap from coming out unintentionally. It includes.

9. It is a bag lifting device according to claim 1, and its feature is that the bag carrier (6) on top an upper mechanical stop (10) that determines the limit of movement in the lower position It includes a lower mechanical stopper (11) that determines the limit of movement.

10. According to Claim 1, it is a bag lifting mechanism, the feature of which is that the body of the bag is in the upper position. at least one part of it comes into contact with the main body and transfers a part of the bag load to the main body (4) It includes a second support surface (22).

11. It is a bag lifting mechanism according to claim 1, and its feature is that the main body (4), connection It is attached to the chair frame in a detachable manner via its elements (21). 6

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