Automatic programming device of wireless WIFI chip
Through the motor drive system and adjustable structure of the automatic writing device, the problem of manual connection of existing equipment is solved, and automatic connection and writing of different models of wireless WIFI chips are realized, which improves operation efficiency and accuracy.
Patent Information
- Application Number
- CN202411297455.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2024-12-13
AI Technical Summary
Existing wireless WIFI chip writing equipment requires manual connection of chips, which cannot adapt to chips of different models and sizes, resulting in inconvenient operation and inefficient efficiency.
An automatic writing device is designed to drive the rotating short rod and bevel gear system using a motor to drive the threaded short rod and moving block, so that the connection plug is automatically plugged into the wireless WIFI chip, and through an adjustable device display and limit edge The rod realizes adaptation and real-time monitoring of different chip types.
It realizes automatic connection and writing of wireless WIFI chips, adapts to chips of different models and sizes, improves writing efficiency and accuracy, and facilitates the use and maintenance of equipment.
Smart Images

Figure CN119127237A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of automatic burning equipment, in particular to an automatic burning equipment for a wireless WIFI chip. Background Art
[0002] Burning is the process of writing programs or data to storage devices (such as chips, memory cards, etc.). This process usually involves transferring data to the device through a specific interface (such as USB, serial port, etc.) and writing it inside the device. During the burning process, you need to pay attention to some key steps and specifications to ensure the correct writing of data and the normal operation of the device.
[0003] Before the existing wireless WIFI chip burning device burns the wireless WIFI, it is necessary to manually connect the wireless WIFI chip to be burned with the device, and the fixed connection space cannot connect and burn wireless WIFI chips of different models and sizes. Summary of the invention
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the present invention provides an automatic burning device for a wireless WIFI chip, which has the advantages of automatically connecting the wireless WIFI chip to the device and being able to connect and burn wireless WIFI chips of different models and sizes, thereby solving the problem of manually connecting the wireless WIFI chip to be burned before burning the wireless WIFI chip.
[0006] (II) Technical solution
[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: an automatic burning device for a wireless WIFI chip, comprising a workbench, a dustproof box cover is fixedly connected to the upper surface of the workbench, an adjustment seat is fixedly connected to the upper surface of the workbench, and the adjustment seat is located inside the dustproof box cover;
[0008] The lower surface of the adjustment seat is fixedly connected to a motor 1, the output end of the motor 1 is fixedly connected to a rotating short rod, and the end of the rotating short rod away from the adjustment seat is fixedly connected to a transverse bevel gear;
[0009] The adjusting seat is internally rotatably connected with a threaded short rod, and the threaded short rod is located on both sides of the transverse bevel gear, and one end of the threaded short rod away from the adjusting seat is fixedly connected with a vertical bevel gear, and the vertical bevel gear is meshed with the transverse bevel gear, and the upper surface of the adjusting seat is provided with a second transverse slide groove;
[0010] The side surface of the threaded short rod is penetrated and connected with the moving block one, the upper surface of the moving block one is fixedly connected with a connecting short rod, and the connecting short rod is located in the transverse slide groove two for sliding connection, the end of the connecting short rod away from the moving block one is fixedly connected with an adjustment plate, and the adjustment plate is located on the upper surface of the adjustment seat, and the side surface of the adjustment plate is evenly distributed with connecting plugs.
[0011] Preferably, the lower surface of the workbench is fixedly connected to a support column, the front surface of the dustproof box cover is movably connected to a box front door through a hinge, the front surface of the box front door is provided with an observation window, the box front door is fixedly connected to a fixed handle, and the fixed handle is located on the right side of the observation window.
[0012] Preferably, a fixing strip seat is fixedly connected to the right side surface of the dustproof box cover, a longitudinal groove is provided on the right side surface of the fixing strip seat, and a vertical fixing short rod is fixedly connected inside the longitudinal groove.
[0013] Preferably, a connecting ring is penetrated and connected to the side surface of the vertical fixed short rod, a connecting strip is fixedly connected to the side surface of the connecting ring, and a slider 1 is fixedly connected to the right side surface of the connecting strip.
[0014] Preferably, the right side of the fixed bar seat is movably connected to a movable seat plate via a hinge, the left side of the movable seat plate is provided with a longitudinal slide groove, the interior of the longitudinal slide groove is fixedly connected with a fixed long rod, and the fixed long rod is connected with a slider through, the upper surface of the movable seat plate is fixedly connected with a device display, the upper surface of the movable seat plate is provided with a breathable net, and the breathable net is located in front of and behind the device display.
[0015] Preferably, the upper surface of the workbench is fixedly connected with a fixed base plate, and the fixed base plate is located on both sides of the adjustment seat, the upper surface of the fixed base plate is fixedly connected with a connecting plate, and the rear surface of the connecting plate is fixedly connected with a placement bottom rod.
[0016] Preferably, a transverse slide groove 1 is provided on the rear surface of the connecting plate, and the transverse slide groove 1 is located above the bottom rod, and a limiting side rod is provided on the rear surface of the connecting plate, and the limiting side rod is slidably connected to the transverse slide groove 1.
[0017] Preferably, the interior of the transverse slide groove 1 is fixedly connected with a transverse fixed short rod, the limiting side rod is fixedly connected with a slider 2 at one end close to the connecting plate, and the slider 2 is connected through the transverse fixed short rod, the side surface of the slider 2 is fixedly connected with a spring, and the spring is connected to the transverse fixed short rod in a surrounding manner.
[0018] Preferably, the right side surface of the dustproof box cover is fixedly connected with motor 2, and motor 2 is located above the fixed bar seat, the output end of motor 2 is fixedly connected with a screw rod, the side surface of the screw rod is penetrated and connected with moving block 2, the front and rear surfaces of moving block 2 are fixedly connected with connecting slide rods, and the end of the connecting slide rod away from moving block 2 is slidably connected to the dustproof box cover.
[0019] Preferably, an electric push rod is fixedly connected to the lower surface of the moving block 2, an output end of the electric push rod is fixedly connected to a connecting block, an electric clamp is provided on the lower surface of the connecting block, and an edge-binding rubber strip is provided at one end of the electric clamp away from the connecting block.
[0020] Compared with the prior art, the present invention provides an automatic burning device for a wireless WIFI chip, which has the following beneficial effects:
[0021] 1. The present invention starts a motor to drive the rotating short rod to rotate, thereby driving the horizontal bevel gear to rotate. Since the horizontal bevel gear is meshed with the vertical bevel gear, the vertical bevel gear is rotated by the rotation of the horizontal bevel gear, thereby driving the threaded short rod to rotate, so that the moving block moves toward the center of the adjustment seat, and the connecting short rod drives the adjustment plate to move toward the center of the adjustment seat, so that the connecting plug is plugged into the wireless WIFI chip to be burned, so that the wireless WIFI chip is automatically connected to the device, and wireless WIFI chips of different models and sizes can be connected and burned.
[0022] 2. The present invention pulls the movable seat plate to swing forward, so that the slider moves backward on the surface of the fixed long rod, and the connecting strip plate swings forward through the swing of the movable seat plate, so that the connecting ring deflects forward on the surface of the vertical fixed short rod, thereby driving the device display to move forward, and the burning status of the wireless WIFI chip is monitored in real time. The device display is driven to move by the swingable movable seat plate, so that the staff can adjust the placement angle of the device display according to the use requirements;
[0023] 3. The present invention places the wireless WIFI chip to be burned above the fixed bottom plate, so that the wireless WIFI chip squeezes the limiting side rod, and the limiting side rod drives the slider to move to the two ends of the horizontal slide groove, squeezes the spring, and the wireless WIFI chip is mounted on the surface of the bottom rod. The wireless WIFI chip to be burned is limited and stacked, so that the wireless WIFI chip can be burned continuously. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0025] Figure 2 This is a schematic diagram of the internal split structure of the fixed bar seat of the present invention;
[0026] Figure 3 This is a schematic diagram of the surface connection structure of the fixed base plate of the present invention;
[0027] Figure 4 This is a schematic diagram of the internal split structure of the connection plate of the present invention;
[0028] Figure 5 This is a schematic diagram of the internal split structure of the adjustment seat of the present invention;
[0029] Figure 6 It is a schematic diagram of the connection structure of the two surfaces of the motor of the present invention.
[0030] Among them: 1. Workbench; 2. Support column; 3. Dustproof box cover; 4. Box front door; 5. Observation window; 6. Fixed handle; 7. Fixed bar seat; 8. Mobile seat plate; 9. Equipment display; 10. Breathable net; 11. Longitudinal slide; 12. Fixed long rod; 13. Longitudinal groove; 14. Vertical fixed short rod; 15. Connecting ring; 16. Connecting strip; 17. Sliding block 1; 18. Fixed bottom plate; 19. Connecting plate; 20. Place bottom rod; 21. Horizontal slide 1; 22. Limiting side rod; 23. , horizontal fixed short rod; 24, slider two; 25, spring; 26, adjustment seat; 27, motor one; 28, rotating short rod; 29, horizontal bevel gear; 30, threaded short rod; 31, vertical bevel gear; 32, moving block one; 33, connecting short rod; 34, horizontal slide groove two; 35, adjustment plate; 36, connecting plug; 37, motor two; 38, screw rod; 39, moving block two; 40, connecting slide rod; 41, electric push rod; 42, connecting block; 43, electric clamp; 44, edge tape. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0032] See also Figure 1-6, an automatic burning device for a wireless WIFI chip, comprising a workbench 1, a dustproof box cover 3 is fixedly connected to the upper surface of the workbench 1, an adjusting seat 26 is fixedly connected to the upper surface of the workbench 1, and the adjusting seat 26 is located inside the dustproof box cover 3, a motor 27 is fixedly connected to the lower surface of the adjusting seat 26, a rotating short rod 28 is fixedly connected to the output end of the motor 27, and the end of the rotating short rod 28 away from the adjusting seat 26 is fixedly connected to a transverse bevel gear 29, a threaded short rod 30 is rotatably connected inside the adjusting seat 26, and the threaded short rod 30 is located on both sides of the transverse bevel gear 29, and the end of the threaded short rod 30 away from the adjusting seat 26 is fixedly connected to a vertical bevel gear 31, and the vertical bevel gear 31 is meshed with the transverse bevel gear 29, a transverse slide groove 2 34 is provided on the upper surface of the adjusting seat 26, a moving block 32 is penetrated and connected to the side surface of the threaded short rod 30, and a connecting short rod 33 is fixedly connected to the upper surface of the moving block 32, and the connecting short rod 33 is located at the transverse The connecting rod 33 is slidably connected to the slide groove 2 34 , and the end of the connecting rod 33 away from the moving block 1 32 is fixedly connected with an adjusting plate 35 , and the adjusting plate 35 is located on the upper surface of the adjusting seat 26 , and the side surface of the adjusting plate 35 is evenly distributed with connecting plugs 36 . In the process of burning the wireless WIFI chip, the external power supply is connected to start the motor 1 27 to drive the rotating short rod 28 to rotate, thereby driving the horizontal bevel gear 29 to rotate. Since the horizontal bevel gear 29 is engaged with the vertical bevel gear 31 , the vertical bevel gear 31 is rotated by the rotation of the horizontal bevel gear 29 , thereby driving the threaded short rod 30 to rotate, so that the moving block 1 32 moves toward the center of the adjusting seat 26 , so that the connecting short rod 33 drives the adjusting plate 35 to move toward the center of the adjusting seat 26 , so that the connecting plug 36 is plugged into the wireless WIFI chip to be burned, so that the wireless WIFI chip is automatically connected to the device, and wireless WIFI chips of different models and sizes can be connected and burned.
[0033] The lower surface of the workbench 1 is fixedly connected with a supporting column 2, the front surface of the dustproof box cover 3 is movably connected with a box front door 4 through a hinge, the front surface of the box front door 4 is provided with an observation window 5, the box front door 4 is fixedly connected with a fixed handle 6, and the fixed handle 6 is located on the right side of the observation window 5, the right side surface of the dustproof box cover 3 is fixedly connected with a fixed bar seat 7, the right side surface of the fixed bar seat 7 is provided with a longitudinal groove 13, the inside of the longitudinal groove 13 is fixedly connected with a vertical fixed short rod 14, the side surface of the vertical fixed short rod 14 is penetrated and connected with a connecting ring 15, the side surface of the connecting ring 15 is fixedly connected with a connecting strip 16, the right side surface of the connecting strip 16 is fixedly connected with a slider 17, the right side surface of the fixed bar seat 7 is movably connected with a movable seat plate 8 through a hinge, the left side surface of the movable seat plate 8 is provided with a longitudinal slide groove 11, the inside of the longitudinal slide groove 11 is fixedly connected with a fixed long rod 12, and the fixed long rod 12 is penetrated and connected with a slider 17, and the upper surface of the movable seat plate 8 is fixedly connected with a device Display 9, the upper surface of the movable seat plate 8 is provided with a breathable net 10, and the breathable net 10 is located in front and behind the device display 9. Before burning the wireless WIFI chip, pull the fixed handle 6 to swing the front door 4 of the box forward, open the dustproof box cover 3, and facilitate the maintenance of the burning equipment. In the process of burning the wireless WIFI chip, use the observation window 5 to observe the burning situation inside the dustproof box cover 3, and at the same time pull the movable seat plate 8 to swing forward, so that the slider 17 moves backward on the surface of the fixed long rod 12, and the swing of the movable seat plate 8 makes the connecting strip 16 swing forward, so that the connecting ring 15 deflects forward on the surface of the vertical fixed short rod 14, thereby driving the device display 9 to move forward, and the burning situation of the wireless WIFI chip is monitored in real time. The device display 9 is driven to move by the swingable movable seat plate 8, so that the staff can adjust the placement angle of the device display 9 according to the use requirements.
[0034] The upper surface of the workbench 1 is fixedly connected with a fixed bottom plate 18, and the fixed bottom plate 18 is located on both sides of the adjustment seat 26. The upper surface of the fixed bottom plate 18 is fixedly connected with a connecting plate 19. The rear surface of the connecting plate 19 is fixedly connected with a placement bottom rod 20. The rear surface of the connecting plate 19 is provided with a transverse slide groove 1 21, and the transverse slide groove 1 21 is located above the placement bottom rod 20. The rear surface of the connecting plate 19 is provided with a limiting side rod 22, and the limiting side rod 22 is slidably connected to the transverse slide groove 1 21. The interior of the transverse slide groove 1 21 is fixedly connected with a transverse fixed short rod 23. The limiting side rod 22 is fixedly connected to one end of the connecting plate 19 with a slider 24, and the slider 2 24 is connected with the transverse fixed short rod 23 through, the side surface of the slider 24 is fixedly connected with a spring 25, and the spring 25 is connected with the transverse fixed short rod 23 in a surrounding manner. Before burning the wireless WIFI chip, the wireless WIFI chip to be burned is placed above the fixed bottom plate 18, so that the wireless WIFI chip squeezes the limiting side rod 22, and the limiting side rod 22 drives the slider 24 to move to the two ends of the transverse slide groove 1 21, and squeezes the spring 25, so that the wireless WIFI chip is mounted on the surface of the bottom rod 20, and the wireless WIFI chip to be burned is limited and stacked, so that the wireless WIFI chip can be burned continuously.
[0035] The right side of the dustproof box cover 3 is fixedly connected with a motor 2 37, and the motor 2 37 is located above the fixed bar seat 7, the output end of the motor 2 37 is fixedly connected with a screw rod 38, the side surface of the screw rod 38 is penetrated and connected with a moving block 2 39, the front and rear surfaces of the moving block 2 39 are fixedly connected with a connecting slide rod 40, and the end of the connecting slide rod 40 away from the moving block 2 39 is slidably connected to the dustproof box cover 3, the lower surface of the moving block 2 39 is fixedly connected with an electric push rod 41, the output end of the electric push rod 41 is fixedly connected with a connecting block 42, and the lower surface of the connecting block 42 is provided with an electric clamp 43. An edge-wrapped rubber strip 44 is provided at one end of the clamp 43 away from the connecting block 42. When the wireless WIFI chips to be burned are stacked, the motor 2 37 is started to drive the screw 38 to rotate, so that the moving block 2 39 drives the electric clamp 43 to move to the left, and the electric push rod 41 is started to push the connecting block 42 to move downward, so that the electric clamp 43 moves downward, and the wireless WIFI chip to be burned is clamped and loaded, thereby improving the automation degree of burning the wireless WIFI chip, and the edge-wrapped rubber strip 44 provided at the clamping end of the electric clamp 43 is used to protect the clamped wireless WIFI chip.
[0036] When in use, place the wireless WIFI chip to be burned above the fixed bottom plate 18, so that the wireless WIFI chip squeezes the limiting side rod 22, so that the limiting side rod 22 drives the slider 24 to move to the two ends of the horizontal slide groove 1 21, squeezes the spring 25, so that the wireless WIFI chip is mounted on the surface of the bottom rod 20, and the wireless WIFI chip to be burned is limited and stacked. When the wireless WIFI chip to be burned is stacked, start the motor 2 37 to drive the screw rod 38 to rotate, so that the moving block 2 39 drives the electric clamp 43 to move to the left, start the electric push rod 41 to push the connecting block 42 to move downward, so that the electric clamp 43 moves downward, and the wireless WIFI chip to be burned is clamped and loaded, and the motor 1 27 is started to drive the rotating short rod 28 to rotate, thereby driving the horizontal bevel gear 29 to rotate. Since the horizontal bevel gear 29 and the vertical bevel gear 29 are aligned with each other, the horizontal bevel gear 29 and the vertical bevel gear 29 are rotated. The gear 31 is meshed, and the vertical bevel gear 31 is rotated by the rotation of the transverse bevel gear 29, thereby driving the threaded short rod 30 to rotate, so that the moving block 32 moves toward the center of the adjustment seat 26, and the connecting short rod 33 drives the adjusting plate 35 to move toward the center of the adjustment seat 26, so that the connecting plug 36 is plugged into the wireless WIFI chip to be burned, so that the wireless WIFI chip is automatically connected to the device, and wireless WIFI chips of different models and sizes can be burned. The burning situation inside the dustproof box cover 3 is observed through the observation window 5, and at the same time, the moving seat plate 8 is pulled to swing forward, so that the slider 17 moves backward on the surface of the fixed long rod 12, and the connecting strip plate 16 is swung forward by the swing of the moving seat plate 8, so that the connecting ring 15 is deflected forward on the surface of the vertical fixed short rod 14, thereby driving the device display 9 to move forward, and the burning situation of the wireless WIFI chip is monitored in real time.
[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automatic burning device for a wireless WIFI chip, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly connected to a dustproof box cover (3), the upper surface of the workbench (1) is fixedly connected to an adjustment seat (26), and the adjustment seat (26) is located inside the dustproof box cover (3); The lower surface of the adjustment seat (26) is fixedly connected to a motor 1 (27), the output end of the motor 1 (27) is fixedly connected to a rotating short rod (28), and the end of the rotating short rod (28) away from the adjustment seat (26) is fixedly connected to a transverse bevel gear (29); The adjusting seat (26) is internally rotatably connected with a threaded short rod (30), and the threaded short rod (30) is located on both sides of the transverse bevel gear (29), and one end of the threaded short rod (30) away from the adjusting seat (26) is fixedly connected with a vertical bevel gear (31), and the vertical bevel gear (31) is meshed with the transverse bevel gear (29), and the upper surface of the adjusting seat (26) is provided with a second transverse slide groove (34); The side surface of the threaded short rod (30) is penetrated and connected with a moving block 1 (32); the upper surface of the moving block 1 (32) is fixedly connected with a connecting short rod (33), and the connecting short rod (33) is slidably connected in a transverse sliding groove 2 (34); an end of the connecting short rod (33) away from the moving block 1 (32) is fixedly connected with an adjustment plate (35), and the adjustment plate (35) is located on the upper surface of the adjustment seat (26); and the side surface of the adjustment plate (35) is evenly distributed with connecting plugs (36).
2. The automatic burning device of a wireless WIFI chip according to claim 1, characterized in that: The lower surface of the workbench (1) is fixedly connected to a support column (2), the front surface of the dustproof box cover (3) is movably connected to a box front door (4) via a hinge, the front surface of the box front door (4) is provided with an observation window (5), the box front door (4) is fixedly connected to a fixed handle (6), and the fixed handle (6) is located on the right side of the observation window (5).
3. The automatic burning device of a wireless WIFI chip according to claim 1, characterized in that: The right side surface of the dustproof box cover (3) is fixedly connected to a fixed strip seat (7), the right side surface of the fixed strip seat (7) is provided with a longitudinal groove (13), and the interior of the longitudinal groove (13) is fixedly connected to a vertical fixed short rod (14).
4. The automatic burning device of a wireless WIFI chip according to claim 3, characterized in that: A connecting ring (15) is connected through the side surface of the vertical fixed short rod (14), a connecting strip (16) is fixedly connected to the side surface of the connecting ring (15), and a sliding block (17) is fixedly connected to the right side surface of the connecting strip (16).
5. The automatic burning device of a wireless WIFI chip according to claim 3, characterized in that: The right side of the fixed bar seat (7) is movably connected to a movable seat plate (8) via a hinge, and the left side of the movable seat plate (8) is provided with a longitudinal slide groove (11), the interior of the longitudinal slide groove (11) is fixedly connected with a fixed long rod (12), and the fixed long rod (12) is connected through a slider (17), and the upper surface of the movable seat plate (8) is fixedly connected with a device display (9), and the upper surface of the movable seat plate (8) is provided with a breathable net (10), and the breathable net (10) is located in front of and behind the device display (9).
6. The automatic burning device of a wireless WIFI chip according to claim 1, characterized in that: The upper surface of the workbench (1) is fixedly connected to a fixed base plate (18), and the fixed base plate (18) is located on both sides of the adjustment seat (26). The upper surface of the fixed base plate (18) is fixedly connected to a connecting plate (19), and the rear surface of the connecting plate (19) is fixedly connected to a placement bottom rod (20).
7. The automatic burning device of a wireless WIFI chip according to claim 6, characterized in that: The rear surface of the connecting plate (19) is provided with a transverse sliding groove (21), and the transverse sliding groove (21) is located above the bottom rod (20). The rear surface of the connecting plate (19) is provided with a limiting side rod (22), and the limiting side rod (22) is slidably connected to the transverse sliding groove (21).
8. The automatic burning device of a wireless WIFI chip according to claim 7, characterized in that: A transverse fixed short rod (23) is fixedly connected inside the transverse sliding groove (21); a slider (24) is fixedly connected to one end of the limiting side rod (22) close to the connecting plate (19); the slider (24) is connected to the transverse fixed short rod (23) through the slider; a spring (25) is fixedly connected to the side surface of the slider (24); and the spring (25) is connected to the transverse fixed short rod (23) in a surrounding manner.
9. The automatic burning device of a wireless WIFI chip according to claim 1, characterized in that: The right side surface of the dustproof box cover (3) is fixedly connected to a second motor (37), and the second motor (37) is located above the fixed bar seat (7). The output end of the second motor (37) is fixedly connected to a screw rod (38), and the side surface of the screw rod (38) is penetrated and connected to a second moving block (39). The front surface and the rear surface of the second moving block (39) are fixedly connected to a connecting slide rod (40), and the end of the connecting slide rod (40) away from the second moving block (39) is slidably connected to the dustproof box cover (3).
10. The automatic burning device of a wireless WIFI chip according to claim 9, characterized in that: The lower surface of the movable block 2 (39) is fixedly connected to an electric push rod (41), the output end of the electric push rod (41) is fixedly connected to a connecting block (42), the lower surface of the connecting block (42) is provided with an electric clamp (43), and the end of the electric clamp (43) away from the connecting block (42) is provided with an edge-wrapping rubber strip (44).
