Rotary lifting luggage rack and using method thereof

Abstract

The invention relates to the technical field of automobile baggage holders, and particularly discloses a rotary lifting baggage holder and a using method thereof.The rotary lifting baggage holder comprises cross rod sliding rails, telescopic rod sliding rails and load connecting rods, the two cross rod sliding rails are fixed to an automobile roof through mounting bases, the telescopic rod sliding rails are slidably mounted in the cross rod sliding rails, and sliding rotary sliding blocks are arranged in the telescopic rod sliding rails; the load connecting rod is connected with the telescopic rod sliding rails in a sliding mode, the tail ends of the two sides of the load connecting rod are hinged to the rotary sliding blocks, the other ends of the load connecting rod are hinged to and fixed to the tail ends of the telescopic rod sliding rails through the rotary connecting rod, and the two telescopic rod sliding rails are connected through the load connecting rod. The luggage rack device can be pulled out from one side of the roof and rotationally lowered to one side of the automobile, the height of a using part is remarkably lowered, objects on the roof can be rotationally placed flatly to lower the height of the objects due to the rotating function of the load connecting rod, and the objects can be conveniently installed, taken and placed.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile luggage racks, and in particular to a rotating lifting luggage rack and a use method thereof. Background Art

[0002] Traditional roof racks are often fixed on the roof, which is at a high position and is inconvenient to store and retrieve items. Sometimes, it is even necessary to climb onto the roof to install and take items out, which is inconvenient to operate and poses a safety risk. Especially for large objects such as bicycles and suitcases, the installation and removal process is particularly laborious. If some taller items are installed on the roof, they may be affected by height restrictions such as height limit racks and underground garages. Although there are some improved luggage racks on the market, they cannot integrate multiple functions at the same time, and most of them have shortcomings such as complicated adjustment process, strict usage requirements and lack of convenience. Summary of the invention

[0003] The object of the present invention is to provide a rotating lifting luggage rack and a method of using the same to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a rotating lifting luggage rack, comprising: a crossbar slide rail, the crossbar slide rail is installed on the roof through a mounting seat, and two crossbar slide rails are installed in parallel;

[0005] A telescopic rod slide rail, one end of which is slidably mounted inside two cross bar slide rails by means of a telescopic slider;

[0006] A load connecting rod, the ends of both sides of the load connecting rod are respectively hinged to the rotating slider, the rotating slider is slidably installed in the telescopic rod slide rail, the other ends of both sides of the load connecting rod are hinged to the rotating fixed block through the rotating connecting rod, and the rotating fixed block is fixed to the end of the telescopic rod slide rail.

[0007] Furthermore, a cross bar limiting groove is provided on one side of the cross bar slide rail, and a limiting inner boss is provided on the inner wall of one end of the cross bar slide rail.

[0008] Furthermore, the telescopic rod slide rail is provided with a telescopic rod limiting groove, one end of the telescopic rod slide rail is provided with a telescopic rod lug, the telescopic rod lug is hinged to the slider lug of the telescopic slider, and the other end of the telescopic rod slide rail is provided with a pin opening on the side opposite to the limiting groove.

[0009] Furthermore, the telescopic slider is composed of a retaining frame and a sliding part, a slider lug is provided at one end of the retaining frame, the sliding part is arranged outside the retaining frame, and the telescopic slider is slidably installed in the slide rail inside the crossbar slide rail through the sliding part.

[0010] Furthermore, the lower connecting surface of the slider lug is provided with a certain angle, and the lower connecting surface of the slider lug can be fitted and limited with the hinged end surface of the telescopic rod slide rail.

[0011] Furthermore, the load connecting rod is formed by connecting rod and bearing parts on both sides, the bearing parts on both sides of the load connecting rod are provided with mounting waist holes and outer limiting bosses, the ends of both sides of the load connecting rod are provided with hinge interfaces 1 which are hinged to the rotating slider, and hinge interfaces 2 are further provided on both sides of the load connecting rod which are hinged to the rotating fixed block through a rotating connecting rod.

[0012] Furthermore, the rotating fixed block is embedded and fixed in the end of the telescopic rod slide rail, a pin hole is opened in the rotating fixed block, a pin is installed in the pin hole, the rotating fixed block is provided with a positioning block boss for hingedly rotating the connecting rod, and a limiting step is provided at one end of the rotating fixed block to fit the end of the telescopic rod slide rail.

[0013] Furthermore, the latch pin is installed in the latch pin hole of the rotating fixed block, and the latch pin passes through the latch pin opening and is fitted and locked with the inner boss.

[0014] Furthermore, a method for using a lifting luggage rack that is convenient for taking and placing includes the following steps:

[0015] S1: When lowering or raising the luggage rack, release the latch and pull the telescopic rod slide rail out of the cross bar slide rail through the load connecting rod. When the retaining frame slides to fit with the limiting inner boss, rotate the telescopic rod slide rail downward and lower it until its upper end surface is completely in contact with the lower side of the slider lug, limiting the further rotation of the telescopic rod slide rail. Then, pull the connecting rod to rotate the load connecting rod, driving the rotating slider to move along the telescopic rod slide rail toward the rotating fixed block until it fits with the rotating fixed block and is limited. Under the action of the rotating connecting rod, the bearing surface of the load connecting rod is perpendicular to the telescopic rod slide rail. Conversely, follow the opposite steps to reset the device and realize the height and angle adjustment process of the load connecting rod bearing part.

[0016] S2: When rotating the items on the roof to lower the height, push the connecting rod of the load connecting rod upward, and the rotating slider slides along the telescopic rod slide rail as the angle of the load connecting rod is adjusted. When the rotating slider slides to fit tightly with the rotating fixed block and reaches the limit position, the load connecting rod is perpendicular to the roof, and the items vertically installed on the load connecting rod are transformed into a lying state, thereby completing the adjustment process of lowering the height of the items.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention uses the design of the telescopic rod slide rail and the load connecting rod in the crossbar slide rail, so that the luggage rack can be pulled out from one side of the roof. After the telescopic slider reaches the position, it is limited by the boss in the limiting structure. When the telescopic rod slide rail and the load connecting rod are rotated and lowered to one side of the car, the height of the use part is significantly reduced, and the operation is simple and convenient. It is convenient to install and take and put items.

[0019] 2. The present invention can adjust the angle of the load connecting rod through the rotating slider inside the telescopic rod slide rail. When the telescopic rod slide rail is rotated and lowered to one side of the car, the angle of the load connecting rod is adjusted to be perpendicular to the telescopic rod slide rail or parallel to the ground, which is convenient for installation and taking and placing items.

[0020] 3. When encountering a height restriction, the present invention can flexibly adjust the load connecting rod to a vertical state through a rotating slider inside the telescopic rod slide rail, and the items vertically installed on the load connecting rod are transformed into a lying state, thereby reducing the height of the carried items and reducing the impact of the height restriction on the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the unfolded structure of the luggage rack of the present invention;

[0022] Figure 2 This is a schematic diagram of the luggage rack of the present invention in a folded state;

[0023] Figure 3 It is a schematic diagram of the load connecting rod of the present invention rotating vertically;

[0024] Figure 4 for Figure 1 The enlarged schematic diagram at A in the middle;

[0025] Figure 5 for Figure 3 The enlarged schematic diagram of point B in the middle;

[0026] Figure 6 It is a front view schematic diagram of the present invention in an unfolded state;

[0027] Figure 7 It is a schematic diagram of the relative positions of the unfolding process of the present invention.

[0028] In the figure: 1. crossbar slide rail; 2. mounting seat; 3. telescopic rod slide rail; 4. telescopic slider; 5. rotating slider; 6. load connecting rod; 7. rotating fixed block; 8. rotating connecting rod; 11. crossbar limiting groove; 12. inner boss; 31. telescopic rod limiting groove; 32. latch hole; 33. telescopic rod lug; 41. sliding part; 42. retaining frame; 43. slider lug; 51. slider boss; 61. limiting boss; 62. mounting waist hole; 63. hinge interface 1; 64. hinge interface 2; 65. connecting rod; 71. positioning block boss; 72. latch hole; 73. latch; 74. limiting step. DETAILED DESCRIPTION

[0029] 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.

[0030] Example 1: Please refer to Figure 1-Figure 7 The present invention provides a technical solution: a rotating lifting luggage rack and a method for using the same. The present invention makes corresponding improvements to the technical problems mentioned in the background technology, including mounting seats 2 respectively installed under both sides of a cross bar slide rail 1, the mounting seats 2 are installed on the luggage fixing rack on the roof, the two cross bar slide rails 1 are installed in parallel, the cross bar limiting grooves 11 of the two cross bar slide rails 1 are opposite to the middle and perpendicular to the side of the vehicle, and can be smoothly pulled out along the direction of the cross bar slide rail 1 for use.

[0031] One end of the telescopic rod slide rail 3 is hinged to the slider lug 43 of the telescopic slider 4 through the telescopic rod lug 33, so that the telescopic rod slide rail 3 can flexibly rotate up and down around the hinge point of the slider lug 43, and the lower connecting surface of the slider lug 43 is designed to have a certain angle, and its lower connecting surface is fitted and limited with the end surface of one end of the telescopic rod slide rail 3, thereby effectively limiting the rotation of the telescopic rod slide rail 3, playing a positioning and limiting role, and preventing the telescopic rod slide rail 3 from hitting the vehicle body when it is pulled out of the side of the vehicle and put down.

[0032] The telescopic rod slide rail 3 and the telescopic slider 4 are slidably mounted inside the two crossbar slide rails 1. The telescopic rod limiting groove 31 of the telescopic rod slide rail 3 is installed toward the crossbar limiting groove 11, and when the luggage rack is in the reset state, the telescopic rod limiting groove 31 and the crossbar limiting groove 11 can overlap.

[0033] The inner slide rails of the two telescopic rod slide rails 3 are respectively installed with rotating sliders 5, and the rotating sliders 5 are provided with slider bosses 51 for articulating the load connecting rod 6. The slider bosses 51 are embedded in the telescopic rod limiting grooves 31 and the crossbar limiting grooves 11, and slide linearly and limit in the limiting grooves, while preventing the rotating sliders 5 from rotating when sliding.

[0034] One end of the rotating fixed block 7 is embedded and fixed in the end of the telescopic rod slide rail 3, and the positioning block boss 71 of the rotating fixed block 7 is embedded in the telescopic rod limiting groove 31 to prevent rotation. The leaked part of the outer side of the rotating fixed block 7 is a limiting round table 74. The outer diameter of the limiting round table 74 is the same as or close to the outer diameter of the cross bar slide rail 1, and it contacts and limits the end of the telescopic rod slide rail 3. At the same time, when the telescopic rod slide rail 3 slides into the cross bar slide rail 1, the limiting round table 74 contacts the end face of the cross bar slide rail 1 to play a role of limiting and fixing.

[0035] A latch hole 72 is formed in the rotating fixed block 7, and a latch 73 is installed in the latch hole 72. The latch 73 can be a reset latch such as a spring latch. The operating portion of the latch 73 passes through the telescopic rod limit groove 31, and the action portion of the latch 73 passes through the latch opening 32. When the telescopic rod slide rail 3 completely slides into the cross bar slide rail 1, the latch 73 passes through the inner boss 12 and is automatically locked. The action portion of the latch 73 fits and locks on the inner side wall of the inner boss 12, thereby locking the telescopic rod slide rail 3 and preventing the telescopic rod slide rail 3 from falling off during use.

[0036] The load connecting rod 6 is composed of a connecting rod 65 and load-bearing parts on both sides. A mounting waist hole 62 is provided in the middle of the load-bearing part for fixing the load-bearing items. Protruding limiting bosses 61 are provided on the outer sides of the load-bearing parts on both sides. The load connecting rod 6 is hinged to the slider bosses 51 on both sides through the hinge interface 1 63 at its two end ends. The hinge interface 2 64 at the other end of the load connecting rod 6 is hinged to the rotating connecting rod 8, and the other end of the rotating connecting rod 8 is hinged to the positioning block boss 71.

[0037] The load connecting rod 6 rotates and moves with the hinge point of the rotating connecting rod 8 as the axis. When the rotating slider 5 is in contact with the rotating fixed block 7, the load connecting rod 6 is perpendicular to the telescopic rod slide rail 3. In particular, when the telescopic rod slide rail 3 is pulled out and placed on one side of the vehicle, due to the limitation of the slider lug 43, the telescopic rod slide rail 3 is not perpendicular to the ground, so the load connecting rod 6 forms a small angle with the ground, which has little effect on the installation and placement of items. The rotating slider 5 can be limited by adding a limiting device to accurately control the rotation angle of the load connecting rod 6 so that it remains parallel to the ground, making the installation of items more convenient.

[0038] The working principle of this embodiment is as follows: the device is fixed to the roof through the mounting base 2, firstly unlocking the latch 73, such as Figure 7 As shown by the arrow, the telescopic rod slide rail 3 is pulled out until the retaining frame 42 is in contact with the limiting inner boss 12. The telescopic rod slide rail 3 is rotated downward until its upper end surface is completely in contact with the slider lug 43, forming a rotation limit. The load connecting rod 6 is rotated so that the rotating slider 5 is in contact with the rotating fixed block 7 and is limited. The load connecting rod 6 is perpendicular to the telescopic rod slide rail 3, and the load connecting rod 6 forms a small angle with the ground, so that items can be installed and taken. When resetting, follow the reverse steps to reset the device.

[0039] Example 2: Please refer to Figure 2 , Figure 3 and Figure 5The present invention provides a technical solution: a rotating lifting luggage rack and a method for using the same. The present invention makes corresponding improvements to the technical problems mentioned in the background technology, including two crossbar slides 1, the inner slides of which are installed with telescopic rod slides 3, and a load connecting rod 6 is connected between the two telescopic rod slides 3. The load connecting rod 6 can be rotatably hinged on the telescopic rod slides 3 through a rotating slider 5 and a rotating connecting rod 8. The load connecting rod 6 is slidably hinged on the telescopic rod slides 3 and rotated 90 degrees, thereby adjusting the installation height of the luggage items.

[0040] The function of the rotating and upgrading luggage rack of the present invention is further limited. The load connecting rod 6 for flipping and lowering the height of the items is composed of load-bearing parts on both sides and a connecting rod 65. The load connecting rod 6 connects the cross bar slide 1 and the telescopic rod slide 3 on both sides into one. The telescopic rod slide 3 can be pulled out or the load connecting rod 6 can be rotated through the connecting rod 65 operating device. The load-bearing parts on both sides of the load connecting rod 6 are provided with mounting waist holes 62 for installing and fixing items.

[0041] A hinge 1 63 and a hinge 2 64 are respectively provided on both sides of the load connecting rod 6. The hinge 1 63 is hinged on the rotating slider 5, and the hinge 2 64 is hinged on the rotating connecting rod 8. The other end of the rotating connecting rod 8 is hinged on the rotating fixed block 7. The rotating slider 5 can slide in the telescopic rod slide rail 3 as the load connecting rod 6 rotates. When the load connecting rod 6 is placed horizontally, the limiting bosses 61 of the bearing parts on both sides of the load connecting rod 6 are tightly fitted on the upper side of the rotating connecting rod 8 to form a straight and firm integrated structure.

[0042] The sliding link hinge composed of the load-bearing part of the load connecting rod 6, the rotating link 8 and the rotating slider 5 makes the load-bearing part of the load connecting rod 6 be placed in the middle of the device when it is laid flat. When the load connecting rod 6 rotates, the side hinged to the rotating link 8 moves upward under the action of the sliding hinge, while the side hinged to the rotating slider 5 moves along the telescopic rod slide rail 3 toward the rotating fixed block 7, so that the use surface of the load-bearing part after rotation faces the middle of the device. At the same time, the rotated load connecting rod 6 rotates and moves to one side of the device, which saves flipping space compared to traditional hinge hinges. The rotated link hinge forms a right triangle with better stability and load-bearing capacity. When the load connecting rod 6 is laid flat, the load-bearing part can be firmly placed in the middle position of the roof, making the load-bearing items more reasonable and stable, and the laid-down items have a larger use space, so that they are not easy to exceed the range of the device, thereby improving the overall practicality and convenience.

[0043] The working principle of this embodiment is as follows: the load connecting rod 6 rotates from a horizontal state to a vertical state, the connecting rod 65 drives the load connecting rod 6 to rotate and move around the hinge point between the load connecting rod 6 and the rotating connecting rod 8, and the rotating slider 5 slides to fit the rotating fixed block 7 to limit the load connecting rod 6, so that the load connecting rod 6 can rotate 90 degrees, and the position of the load connecting rod 6 also moves from the middle of the device to one side, so that there is a larger load space after flipping. The load connecting rod 6 changes from a vertical state to a horizontal state, and the rotating slider 5 connected to the lower side of the vertical load connecting rod 6 slides along the telescopic rod slide rail 3 toward the middle of the device, and the upper side of the load connecting rod 6 rotates and moves downward under the action of the rotating connecting rod 8, so that the load connecting rod 6 rotates to a horizontal state, and the limiting boss 61 fits on the upper side of one end of the rotating connecting rod 8 to limit the load, so that the load connecting rod 6 changes from a vertical state to a horizontal state.

[0044] A method for using a lifting luggage rack that is easy to take and put, specifically comprising the following steps:

[0045] S1: When lowering or raising the luggage rack, release the latch 73 to release the fixation of the telescopic rod slide rail 3, and smoothly pull the telescopic rod slide rail 3 out from the retracted state in the cross bar slide rail 1 through the connecting rod 65 of the load connecting rod 6. When the retaining frame 42 slides to fit with the limiting inner boss 12, the preset extension length is reached, and the telescopic rod slide rail 3 is rotated and lowered until its upper end surface is completely fitted with the slider lug 43 to achieve the rotation positioning of the telescopic rod slide rail 3, and then pull the connecting rod 65 to rotate the load connecting rod 6, driving the rotating slider 5 to move along the telescopic rod slide rail 3 toward the rotating fixed block 7 until it fits with the rotating fixed block 7 and is limited. The bearing part of the load connecting rod 6 will be perpendicular to the telescopic rod slide rail 3 under the action of the rotating connecting rod 8. Conversely, the device can be reset by following the opposite steps to achieve the height and angle adjustment process of the bearing part of the load connecting rod 6.

[0046] S2: When the height of the items on the roof is lowered by rotating, the connecting rod 65 is pushed upward to drive the load connecting rod 6 to rotate, and the slider 5 slides along the telescopic rod slide rail 3 as the angle of the load connecting rod 6 is adjusted. When the rotating slider 5 slides to fit tightly with the rotating fixed block 7 and reaches the limit position, the load-bearing part of the load connecting rod 6, the rotating connecting rod 8 and the rotating slider 5 are connected to form a triangular structure. The load connecting rod 6 is firmly perpendicular to the roof. The items vertically installed on the load connecting rod 6 will be transformed into a lying state as the angle of the load connecting rod 6 changes, thereby effectively reducing the height of the items.

[0047] Although multiple embodiments of the present invention have been described in detail, it should be understood that these embodiments are only used to illustrate the principles and technical solutions of the present invention, rather than to limit its protection scope. Those of ordinary skill in the art may make various modifications, substitutions, variations and improvements to these embodiments without departing from the core ideas and principles of the present invention. All these changes should be deemed to fall within the scope of protection of the appended claims of the present invention and their equivalents. The scope of protection of the present invention should be ultimately determined by the appended claims and their legal equivalents.

Claims

1. A rotating lifting luggage rack, characterized in that: include: A crossbar slide rail (1), wherein the crossbar slide rail (1) is mounted on the roof of a vehicle via a mounting seat (2), and two crossbar slide rails (1) are mounted in parallel; A telescopic rod slide rail (3), one end of which is slidably mounted inside the two crossbar slide rails (1) by means of a telescopic slider (4); A load connecting rod (6), the ends of both sides of the load connecting rod (6) are respectively hinged to the rotating slider (5), the rotating slider (5) is slidably installed in the telescopic rod slide rail (3), the other ends of both sides of the load connecting rod (6) are hinged to the rotating fixed block (7) through the rotating connecting rod (8), and the rotating fixed block (7) is fixed to the end of the telescopic rod slide rail (3).

2. The rotating and lifting luggage rack according to claim 1, characterized in that: A crossbar limiting groove (11) is provided on one side of the crossbar slide rail (1), and a limiting inner boss (12) is provided on the inner wall of one end of the crossbar slide rail (1).

3. The rotating and lifting luggage rack according to claim 1, characterized in that: The telescopic rod slide rail (3) is provided with a telescopic rod limiting groove (31), one end of the telescopic rod slide rail (3) is provided with a telescopic rod lug (33), the telescopic rod lug (33) is hinged to a slider lug (43) of the telescopic slider (4), and the other end of the telescopic rod slide rail (3) is provided with a latch hole (32) on the side opposite to the limiting groove.

4. The rotating and lifting luggage rack according to claim 3, characterized in that: The telescopic slider (4) is composed of a retaining frame (42) and a sliding portion (41); a slider lug (43) is provided at one end of the retaining frame (42); the sliding portion (41) is arranged outside the retaining frame (42); and the telescopic slider (4) is slidably installed in a slide rail inside the crossbar slide rail (1) via the sliding portion (41).

5. The rotating and lifting luggage rack according to claim 4, characterized in that: The lower connecting surface of the slider lug (43) is provided with a certain angle, and the lower connecting surface of the slider lug (43) can be fitted and limited with the hinged end surface of the telescopic rod slide rail (3).

6. The rotating and lifting luggage rack according to claim 1, characterized in that: The load connecting rod (6) is formed by connecting a connecting rod (65) and bearing parts on both sides. The bearing parts on both sides of the load connecting rod (6) are provided with mounting waist holes (62) and outer limiting bosses (61). The ends of both sides of the load connecting rod (6) are provided with hinge ports 1 (63) which are hinged to the rotating slider (5). Both sides of the load connecting rod (6) are further provided with hinge ports 2 (64) which are hinged to the rotating fixed block (7) through a rotating connecting rod (8).

7. The rotating and lifting luggage rack according to claim 6, characterized in that: The rotating fixed block (7) is embedded and fixed at the end of the telescopic rod slide rail (3), a latch hole (72) is opened in the rotating fixed block (7), a latch (73) is installed in the latch hole (72), the rotating fixed block (7) is provided with a positioning block boss (71) for hingedly connecting the rotating connecting rod (8), and a limiting step (74) is provided at one end of the rotating fixed block (7) to fit and limit at the end of the telescopic rod slide rail (3).

8. The rotating and lifting luggage rack according to claim 7, characterized in that: The latch pin (73) is installed in the latch pin hole (72) of the rotating fixed block (7), and the latch pin (73) passes through the latch pin opening (32) and is tightly fitted and locked with the inner boss (12).

9. A method for using a rotating lifting luggage rack, characterized in that: The method is applicable to a rotary lifting luggage rack according to any one of claims 1 to 8, and specifically comprises the following steps: S1: When lowering or raising the luggage rack, release the latch (73), pull the telescopic rod slide rail (3) out of the cross bar slide rail (1) through the load connecting rod (6), and when the retaining frame (42) slides to fit with the limiting inner boss (12), rotate the telescopic rod slide rail (3) downward and lower it until its upper end surface is completely in contact with the lower side of the slider lug (43), limiting the further rotation of the telescopic rod slide rail (3), then pull the connecting rod (65) to rotate the load connecting rod (6), drive the rotating slider (5) to move along the telescopic rod slide rail (3) toward the rotating fixed block (7) until it fits with the rotating fixed block (7) and is limited, and under the action of the rotating connecting rod (8), the bearing surface of the load connecting rod (6) is perpendicular to the telescopic rod slide rail (3). Conversely, the device can be reset by following the opposite steps to achieve the height and angle adjustment process of the bearing part of the load connecting rod (6). S2: When the height of the article on the roof is lowered by rotating, the connecting rod (65) of the load connecting rod (6) is pushed upward, and the rotating slider (5) slides along the telescopic rod slide rail (3) as the angle of the load connecting rod (6) is adjusted. When the rotating slider (5) slides to fit tightly with the rotating fixed block (7) and reaches the limit position, the load connecting rod (6) is perpendicular to the roof, and the article vertically mounted on the load connecting rod (6) is transformed into a lying state, thereby completing the adjustment process of lowering the height of the article.

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