Slide rail mechanism and its carriage device

Abstract

The present invention relates to a slide rail mechanism and a bracket device thereof, comprising a slide rail and a bracket device. The bracket device is arranged to the slide rail and comprises a reinforcing member, a first bracket, a first support member, a second support member and a second bracket. The reinforcing member is connected to the slide rail. The first bracket is arranged to one of the slide rail and the reinforcing member; the first support member and the second support member are movable relative to the reinforcing member; the second bracket is arranged to the second support member; and the reinforcing member and the first support member are selectively clamped at different predetermined positions relative to each other, so that different distances are provided between a first mounting member of the first bracket and a second mounting member of the second bracket.

Description

Technical Field

[0001] This invention relates to a slide rail, and more particularly to a slide rail mechanism with a bracket device. Background Technology

[0002] As disclosed in US Patent Publication No. 6,230,903B1, a slide rail mechanism includes an outer rail, a middle rail, and an inner rail that are movable relative to each other. The outer rail is mounted to a first post and a second post of a frame via a first bracket and a second bracket, respectively. Further, the first bracket is bolted to a portion of the outer rail, while the second bracket is movably mounted to another portion of the outer rail. A spring is installed between the second bracket and the outer rail. The second bracket can be adjusted to be fastened to the outer rail via a knob, or adjusted to be loosened, allowing it to move relative to the outer rail. The first and second brackets are two separate components, each having a plurality of frame mounting pins for mounting to a first post and a second post of the frame.

[0003] For example, US Patent Publication No. 6,666,340B2 discloses a universal rack rail with a plurality of holes in one bracket (inner rail) and a main locking mechanism in another bracket (outer rail). A biasing mechanism is provided between the main locking mechanism and the bracket. Furthermore, the lugs of the main locking mechanism on the other bracket can be positioned with one of the holes, enabling the bracket to be positioned relative to the other bracket after adjustment. The two brackets can be respectively mounted to a first post and a second post of a rack.

[0004] However, with varying market demands, how to develop different slide rail products to provide the market with more diverse choices has become a topic worth exploring. Summary of the Invention

[0005] The purpose of this invention is to provide a slide rail mechanism with a bracket device.

[0006] According to one aspect of the present invention, a slide rail mechanism includes a slide rail and a bracket device. The slide rail has a first side and a second side that are positioned opposite each other; the bracket device is arranged on the first side of the slide rail, and the bracket device includes a reinforcing member, a first bracket, a first support member, a second support member, and a second bracket. The reinforcing member is connected to the slide rail; the first bracket is arranged to one of the slide rail and the reinforcing member, and the first bracket is provided with a first mounting member; the first support member is movably mounted on the reinforcing member; the second support member is movably mounted on the first support member; the second bracket is arranged to the second support member, and the second bracket is provided with a second mounting member; wherein, one of the reinforcing member and the first support member is provided with a plurality of predetermined features, and the other of the reinforcing member and the first support member is provided with a locking feature; wherein, when the locking feature is locked to one of these predetermined features, the first support member is in a first predetermined position relative to the reinforcing member, and a first distance is defined between the first mounting member of the first bracket and the second mounting member of the second bracket; wherein, when the locking feature is locked to the other of these predetermined features, the first support member is in a second predetermined position relative to the reinforcing member, and a second distance is defined between the first mounting member of the first bracket and the second mounting member of the second bracket, which is different from the first distance.

[0007] According to another aspect of the invention, a slide rail mechanism is applicable to a frame, the slide rail mechanism comprising a slide rail and a bracket assembly. The slide rail has a first side and a second side opposite to each other; the bracket assembly is arranged to the first side of the slide rail, the bracket assembly comprising a reinforcing member, a first bracket, a first support member, a second support member, and a second bracket. The reinforcing member is connected to the slide rail; the first bracket is arranged to one of the slide rail and the reinforcing member, and the first bracket is provided with a first mounting member for mounting to a first column of the frame; the first support member is movably mounted on the reinforcing member; the second support member is movably mounted on the first support member; the second bracket is arranged to the second support member, and the second bracket is provided with a second mounting member for mounting to a second column of the frame; wherein, one of the reinforcing member and the first support member is provided with a plurality of predetermined features, and the other of the reinforcing member and the first support member is provided with a locking feature, and the locking feature is used to lock onto one of these predetermined features, so that the first support member is held in a predetermined position relative to the reinforcing member; wherein, the bracket device further includes an elastic member, and the second support member responds to the elastic force of the elastic member, so that the second mounting member of the second bracket has a force for mounting toward the second column of the frame.

[0008] According to another aspect of the present invention, a bracket device includes a reinforcing member, a first bracket, a first support member, a second support member, and a second bracket. The reinforcing member has a first end and a second end positioned opposite each other; the first bracket is located adjacent to the first end of the reinforcing member and is provided with a first mounting member; the first support member is movably mounted on the reinforcing member; the second support member is movably mounted on the first support member; the second bracket is arranged to the second support member, the second bracket is arranged to the first end away from the reinforcing member, and the second bracket is provided with a second mounting member; wherein one of the reinforcing member and the first support member is arranged with a plurality of predetermined features, and the reinforcing member and the first support member... Another arrangement includes a latching feature; wherein, when the latching feature is latched to one of these predetermined features, the first support member is in a first predetermined position relative to the reinforcing member, and a first distance is defined between the first mounting member of the first bracket and the second mounting member of the second bracket; wherein, when the latching feature is latched to another of these predetermined features, the first support member is in a second predetermined position relative to the reinforcing member, and a second distance is defined between the first mounting member of the first bracket and the second mounting member of the second bracket, which is different from the first distance.

[0009] Overall, the reinforcing member and the first support member are movable relative to each other, so that the reinforcing member and the first support member have a predetermined adjustment amount, allowing the first mounting member of the first bracket and the second mounting member of the second bracket to have different distances. Attached Figure Description

[0010] To further illustrate and demonstrate the above-mentioned objectives, structural features, and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings, wherein:

[0011] Figure 1 This diagram shows a slide rail mechanism according to an embodiment of the present invention.

[0012] Figure 2 This diagram shows an exploded view of a slide rail mechanism according to an embodiment of the present invention.

[0013] Figure 3 This diagram shows a first distance defined between the first bracket and the second bracket of a slide rail mechanism according to an embodiment of the present invention.

[0014] Figure 4 A schematic diagram showing a slide rail mechanism according to an embodiment of the present invention defines a second distance between the first bracket and the second bracket.

[0015] Figure 5 This shows a cross-sectional schematic diagram of a slide rail mechanism according to an embodiment of the present invention.

[0016] Figure 6A schematic diagram showing a slide rail mechanism according to an embodiment of the present invention is applicable to a frame having a first longitudinal depth.

[0017] Figure 7 A schematic diagram showing a slide rail mechanism according to an embodiment of the present invention is applicable to a frame having a second longitudinal depth.

[0018] Figure 8 A schematic diagram showing a first support member being held in a predetermined position relative to the reinforcing member when the latching feature of an embodiment of the present invention is latched to one of a plurality of predetermined features.

[0019] Figure 9 A schematic diagram showing that, according to an embodiment of the present invention, when the latching feature is released from one of the plurality of predetermined features, the first support member can move away from the predetermined position relative to the reinforcing member.

[0020] Figure 10 A schematic diagram showing a first support member of an embodiment of the present invention may be in another predetermined position relative to the reinforcing member. Detailed Implementation

[0021] like Figure 1 and Figure 2 As shown, a slide rail mechanism 20 according to an embodiment of the present invention includes a slide rail 22 and a bracket device 24. The slide rail 22 has a first side L1 and a second side L2 that are positioned opposite each other, for example, an outer side and an inner side, but the implementation is not limited. Preferably, the slide rail mechanism 20 also includes a movable rail 26 movably mounted on the second side L2 of the slide rail 22. The movable rail 26 can be longitudinally displaced relative to the slide rail 22, where the X-axis is the longitudinal direction (or the length direction of the slide rail), the Y-axis is the transverse direction (or the lateral direction of the slide rail), and the Z-axis is the vertical direction (or the height direction of the slide rail).

[0022] The bracket device 24 is arranged on the first side L1 of the slide rail 22. The bracket device 24 includes a reinforcing member 28, a first bracket 30, a first support member 32, a second support member 34, and a second bracket 36.

[0023] The reinforcing member 28 is connected (e.g., fixed) to a first side L1 of the slide rail 22. The reinforcing member 28 has a first end E1 and a second end E2 that are positioned opposite each other. Preferably, the reinforcing member 28 includes a first wall 38a, a second wall 38b, and a longitudinal wall 40 connected between the first wall 38a and the second wall 38b of the reinforcing member 28, and the first wall 38a, the second wall 38b, and the longitudinal wall 40 of the reinforcing member 28 together define a reinforcing channel 42.

[0024] The first bracket 30 is arranged to one of the slide rail 22 and the reinforcing member 28. Here, it is exemplified that the first bracket 30 is arranged to the slide rail 22 and is located at the first end E1 adjacent to the reinforcing member 28. However, in other alternative embodiments, the first bracket 30 may also be connected (e.g., fixed) to the reinforcing member 28 and adjacent to the first end E1 of the reinforcing member 28; therefore, the implementation is not limited. The first bracket 30 is provided with at least one first mounting member 44. Preferably, the first bracket 30 includes a side wall 46 and an end wall 48 that are substantially perpendicular to the side wall 46, the side wall 46 being connected (e.g., fixed) to the first side L1 of the slide rail 22. The first mounting member 44 is arranged at the end wall 48 of the first bracket 30.

[0025] The first support member 32 is movably installed in the reinforcement channel 42 of the reinforcement member 28. The first support member 32 includes a first wall 50a, a second wall 50b, and a longitudinal wall 52 connected between the first wall 50a and the second wall 50b of the first support member 32, and the first wall 50a, the second wall 50b, and the longitudinal wall 52 of the first support member 32 together define a support channel 54.

[0026] The second support member 34 is movably mounted in the support channel 54 of the first support member 32. Furthermore, the second support member 34 has a first end E1' and a second end E2' positioned opposite each other. The first end E1' of the second support member 34 extends into the support channel 54 of the first support member 32, while the second end E2' of the second support member 34 is provided with the second bracket 36.

[0027] The second bracket 36 is provided with at least one second mounting member 56. The second bracket 36 is positioned away from the first end E1 of the reinforcing member 28; for example, it is positioned closer to the second end E2 of the reinforcing member 28 than the first bracket 30. Preferably, the second bracket 36 includes a side portion 58 and an end portion 60 that are substantially perpendicularly bent relative to the side portion 58, the side portion 58 being connected (e.g., fixed) to the second end E2' of the second support member 34. The second mounting member 56 is positioned at the end 60 of the second bracket 36.

[0028] It is worth mentioning that one of the reinforcing member 28 and the first support member 32 is provided with a plurality of predetermined features, and the other of the reinforcing member 28 and the first support member 32 is provided with a locking feature 62. Here, the longitudinal wall 40 of the reinforcing member 28 is provided with these predetermined features, such as a first predetermined feature 64a and a second predetermined feature 64b. Preferably, a third predetermined feature 64c and a fourth predetermined feature 64d are located between the first predetermined feature 64a and the second predetermined feature 64b, and these predetermined features have a predetermined longitudinal spacing between them. On the other hand, the locking feature 62 is provided on the longitudinal wall 52 of the first support member 32 as an example.

[0029] Preferably, these predetermined features, such as the first predetermined feature 64a, the second predetermined feature 64b, the third predetermined feature 64c and the fourth predetermined feature 64d, are all holes defined by the hole wall, and the locking feature 62 is a pin, but the implementation is not limited.

[0030] Preferably, the bracket device 24 further includes an elastic member 66 installed between the first support member 32 and the second support member 34. Here, taking as an example the first support member 32 is provided with a first mounting feature 68, the second support member 34 is provided with a second mounting feature 70, and the two ends of the elastic member 66 are respectively connected to the first mounting feature 68 and the second mounting feature 70.

[0031] like Figure 3 As shown, when the latching feature 62 is latched to one of these predetermined features, for example, when latched to the first predetermined feature 64a (this part can be referred to in conjunction with other information), Figure 2 The first support member 32 is held in a first predetermined position P1 relative to the reinforcing member 28, and a first distance X1 is defined between the first mounting member 44 of the first bracket 30 and the second mounting member 56 of the second bracket 36.

[0032] like Figure 4 As shown, when the first support member 32 moves longitudinally relative to the reinforcing member 28 to a second predetermined position P2, and the locking feature 62 locks into one of these predetermined features, for example, into the second predetermined feature 64b (this part can be referred to in conjunction with the previous section), Figure 2The first support member 32 is held in the second predetermined position P2 relative to the reinforcing member 28, and a second distance X2 is defined between the first mounting member 44 of the first bracket 30 and the second mounting member 56 of the second bracket 36, which is different from the first distance X1. Here, we take an example where the second distance X2 is greater than the first distance X1. In other words, compared to being in the first predetermined position P1, when the first support member 32 is in the second predetermined position P2 relative to the reinforcing member 28, the bracket device 24 has a longer adjustment range. In application, it can be adapted to be installed in racks of different depths.

[0033] Preferably, the reinforcing member 28 is further provided with a first limiting feature 61, and the first supporting member 32 is further provided with a second limiting feature 63; when the first supporting member 32 moves longitudinally relative to the reinforcing member 28 to the second predetermined position P2, the first limiting feature 61 and the second limiting feature 63 engage with each other, so that the first supporting member 32 is limited relative to the reinforcing member 28 at the second predetermined position P2. The second limiting feature 63 is a spring arm, and the spring arm has a protrusion 65 for engaging with the first limiting feature 61 (e.g., the wall of an opening).

[0034] Therefore, it can be seen that the first support member 32 provided in the embodiment of this case can be engaged with the predetermined features (such as the first predetermined feature 64a, the second predetermined feature 64b, the third predetermined feature 64c, or the fourth predetermined feature 64d) on the reinforcing member 28 through the locking feature 62. This allows the first support member 32 and the reinforcing member 28 to be held in different positions relative to each other and have a predetermined range of adjustment. Furthermore, with the elastic member 66 installed between the first support member 32 and the second support member 34, since the first support member 32 can move to different positions relative to the reinforcing member 28, the adjustment range between the first support member 32 and the reinforcing member 28 can be avoided from being affected by the elastic force of the elastic member 66. Accordingly, the bracket device 24 can still maintain the predetermined range of adjustment.

[0035] Better, such as Figure 3 and Figure 4 As shown, the reinforcing member 28 (the longitudinal wall 40) has a plurality of adjustment amount identification features, such as a first adjustment amount identification feature and a second adjustment amount identification feature (only in the drawings of this case). Figure 3 and Figure 4N1 and N2 are illustrated as the first adjustment amount identification feature and the second adjustment amount identification feature, respectively. On the other hand, the first support member 32 (the longitudinal wall 52) has a window 67, which provides the user with a visual view of the first adjustment amount identification feature or the second adjustment amount identification feature. This allows the user to know the current adjustment length of the bracket device 24, or the distance between the first mounting member 44 and the second mounting member 56 of the bracket device 24, which helps to improve the convenience of the user when installing the bracket device 24 into racks of different longitudinal depths. These adjustment amount identification features can be numbers, text, patterns, and / or symbols, etc., but are not limited in implementation.

[0036] like Figure 5 As shown, the slide rail mechanism 20 further includes a middle rail 72 movably mounted between the slide rail 22 (e.g., the outer rail) and the movable rail 26 (e.g., the inner rail). Preferably, a first ball bearing device 55 is arranged between the slide rail 22 and the middle rail 72, and a second ball bearing device 57 is arranged between the middle rail 72 and the movable rail 26, thereby facilitating the smoothness of the relative longitudinal displacement between the slide rails. Furthermore, the first wall 38a and the second wall 38b of the reinforcing member 28 are used to hold the first wall 50a and the second wall 50b of the first support member 32, respectively; the first wall 50a and the second wall 50b of the first support member 32 are used to hold a first wall 74a and a second wall 74b of the second support member 34, respectively.

[0037] Preferably, the first wall 38a of the reinforcing member 28 has a first segment M1 and a second segment M2 bent relative to the first segment M1, hereby exemplified by a vertical bend; the second wall 38b of the reinforcing member 28 has a first segment M1' and a second segment M2' bent relative to the first segment M1', hereby exemplified by a vertical bend, but the implementation is not limited. On the other hand, the first wall 50a of the first support member 32 has a first segment m1 and a second segment m2 bent relative to the first segment m1, hereby exemplified by a vertical bend; the second wall 50b of the first support member 32 has a first segment m1' and a second segment m2' bent relative to the first segment m1', hereby exemplified by a vertical bend, but the implementation is not limited. According to this configuration, the overall structural strength and support strength of the bracket device 24 can be improved by the reinforcement member 28 holding the first support member 32 and the first support member 32 holding the second support member 34.

[0038] Preferably, the second support member 34 has a longitudinal wall 76 connecting the first wall 74a and the second wall 74b of the second support member 34; the longitudinal wall 52 of the first support member 32 and the longitudinal wall 76 of the second support member 34 support each other. For example, the longitudinal wall 52 of the first support member 32 includes a first wall portion K1, a second wall portion K2, and a third wall portion K3 bent relative to the first wall portion K1 and the second wall portion K2, here, a vertical bend is taken as an example; the longitudinal wall 76 of the second support member 34 includes a first wall portion K1, a second wall portion K2, and a third wall portion K3 bent relative to the first wall portion K1 and the second wall portion K2, here, a vertical bend is taken as an example. According to this configuration, the overall structural strength and support strength of the bracket device 24 can be improved by the mutual support between the longitudinal wall 52 of the first support member 32 and the longitudinal wall 76 of the second support member 34.

[0039] like Figure 6 As shown, the slide rail mechanism 20 is suitable for a frame, which includes a first column 80a and a second column 80b, and there is a first longitudinal depth J1 between the first column 80a and the second column 80b. When the locking feature 62 is engaged with the first predetermined feature 64a (this part can be referred to in conjunction with the previous section), Figure 2 The first support member 32 remains in the first predetermined position P1 relative to the reinforcing member 28, and the first mounting member 44 of the first bracket 30 and the second mounting member 56 of the second bracket 36 define the first distance X1 (this part can be referred to in conjunction with the previous section). Figure 3 The first mounting member 44 of the first bracket 30 and the second mounting member 56 of the second bracket 36 are respectively mounted to the first column 80a and the second column 80b of the frame, thereby mounting the slide rail mechanism 20 to the frame having the first longitudinal depth J1. Preferably, the second support member 34 responds to the elastic force F of the elastic member 66, giving the second mounting member 56 of the second bracket 36 a force toward the second column 80b of the frame, thereby contributing to the reliability and safety of the overall mounting of the first mounting member 44 of the first bracket 30 and the second mounting member 56 of the second bracket 36 to the first column 80a and the second column 80b of the frame.

[0040] like Figure 7 As shown, the slide rail mechanism 20 is adapted to a frame, which includes a first column 80a and a second column 80b, and the first column 80a and the second column 80b have a second longitudinal depth J2 that is different from the first longitudinal depth J1. When the locking feature 62 is engaged with the second predetermined feature 64b (this part can be referred to in conjunction with the previous section), Figure 2The first support member 32 remains in the second predetermined position P2 relative to the reinforcing member 28, and the second distance X2 is defined between the first mounting member 44 of the first bracket 30 and the second mounting member 56 of the second bracket 36 (this part can be referred to in conjunction with the previous text). Figure 4 The first mounting member 44 of the first bracket 30 and the second mounting member 56 of the second bracket 36 are respectively mounted to the first column 80a and the second column 80b of the frame, thereby mounting the slide rail mechanism 20 to the frame having the second longitudinal depth J2. Preferably, the second support member 34 responds to the elastic force F' of the elastic member 66, giving the second mounting member 56 of the second bracket 36 a force toward the second column 80b of the frame, thereby contributing to the reliability and safety of the overall mounting of the first mounting member 44 of the first bracket 30 and the second mounting member 56 of the second bracket 36 to the first column 80a and the second column 80b of the frame.

[0041] like Figures 8 to 10 As shown, the latch feature 62 can be in a latch position (e.g.) Figure 8 (as shown) and a release position (as shown) Figure 9 The movement occurs between (as shown). When the latching feature 62 is in the latching position and latches onto one of these predetermined features, for example, latching onto the third predetermined feature 64c, then an extension 84 of the latching feature 62 penetrates into the third predetermined feature 64c (as shown). Figure 8 As shown), the first support 32 can be held in a third predetermined position P3 relative to the reinforcing member 28. The third predetermined position P3 is located between the first predetermined position P1 and the second predetermined position P2. When the locking feature 62 is in the unlocked position, the extension 84 of the locking feature 62 no longer penetrates the third predetermined feature 64c (as shown). Figure 9 As shown), at this time, the first support member 32 can move away from the third predetermined position P3 relative to the reinforcing member 28. In other words, the user can arbitrarily adjust the position of the first support member 32 relative to the reinforcing member 28. For example, the first support member 32 can be adjusted to a fourth predetermined position P4 relative to the reinforcing member 28. Figure 10 As shown), when the latching feature 62 is in the latching position, the extension 84 of the latching feature 62 penetrates the fourth predetermined feature 64d, so that the first support member 32 can be kept in the fourth predetermined position P4 relative to the reinforcing member 28.

[0042] Therefore, the slide rail mechanism 20 and its bracket device 24 provided in the embodiments of the present invention have the following characteristics:

[0043] 1. The first support member 32 and the reinforcing member 28 are movable relative to each other, so that the first mounting member 44 and the second mounting member 56 can have different distances, thereby enabling the slide rail mechanism 20 to be installed on a frame with different longitudinal depths.

[0044] 2. The reinforcing member 28, the first support member 32, and the second support member 34 constitute a three-section component and are movable relative to each other. The locking feature 62 engages with these predetermined features, allowing the first support member 32 and the reinforcing member 28 to maintain different positions relative to each other with a predetermined range of adjustment. Furthermore, with the elastic member 66 installed between the first support member 32 and the second support member 34, since the first support member 32 can move to different positions relative to the reinforcing member 28, the adjustment range between the first support member 32 and the reinforcing member 28 is prevented from being affected by the elastic force of the elastic member 66, thereby maintaining the bracket device 24 within the predetermined range of adjustment.

[0045] 3. The overall structural strength and support strength of the bracket device 24 can be improved by the mutual holding of the reinforcing member 28, the first support member 32 and the second support member 34.

[0046] 4. The second support member 34 responds to the elastic force of the elastic member 66, so that the second mounting member 56 of the second bracket 36 has a force for mounting toward the second column 80b of the frame, thereby contributing to the reliability and safety of the overall installation of the first mounting member 44 of the first bracket 30 and the second mounting member 56 of the second bracket 36 to the first column 80a and the second column 80b of the frame.

[0047] Although the present invention has been described with reference to specific embodiments, those skilled in the art should recognize that the above embodiments are merely illustrative of the invention, and various equivalent changes and modifications can be made without departing from the spirit of the invention. Therefore, any changes or modifications to the above embodiments within the scope of the essential spirit of the invention will fall within the scope of the claims of this application.

Claims

1. A slide rail mechanism, comprising a slide rail and a bracket device, characterized in that: The slide rail has a first side and a second side that are positioned opposite each other; and The bracket assembly is arranged on the first side of the slide rail, and the bracket assembly includes: A reinforcing member is connected to the slide rail; A first bracket is arranged to one of the slide rail and the reinforcement, and the first bracket is provided with a first mounting member; A first support member is movably installed on the reinforcing member; A second support member is movably mounted on the first support member; and A second bracket is arranged to the second support member, and the second bracket is provided with a second mounting member; The reinforcing member and one of the first support members are arranged to have a plurality of predetermined features, and the reinforcing member and the other of the first support members are arranged to have a locking feature. When the latching feature is latched to one of these predetermined features, the first support member is in a first predetermined position relative to the reinforcing member, and a first distance is defined between the first mounting member of the first bracket and the second mounting member of the second bracket. When the latching feature is latched to one of the predetermined features, the first support member is in a second predetermined position relative to the reinforcing member, and a second distance is defined between the first mounting member of the first bracket and the second mounting member of the second bracket, which is different from the first distance.

2. The slide rail mechanism according to claim 1, characterized in that, The bracket device further includes an elastic element installed between the first support and the second support.

3. The slide rail mechanism according to claim 1, characterized in that, The reinforcing member includes a first wall, a second wall, and a longitudinal wall connected between the first wall and the second wall of the reinforcing member. The first wall, the second wall, and the longitudinal wall of the reinforcing member together define a reinforcing channel for the first support member to be movably installed.

4. The slide rail mechanism according to claim 3, characterized in that, The first support member includes a first wall, a second wall, and a longitudinal wall connected between the first wall and the second wall of the first support member, and the first wall, the second wall, and the longitudinal wall of the first support member together define a support channel for the second support member to be movably installed.

5. The slide rail mechanism according to claim 4, characterized in that, The first and second walls of the reinforcing member are used to hold the first and second walls of the first support member, respectively.

6. The slide rail mechanism according to claim 5, characterized in that, The first wall and the second wall of the first support member are used to hold the first wall and the second wall of the second support member, respectively.

7. The slide rail mechanism according to claim 1, characterized in that, These predetermined features are all holes defined by the hole wall, and the latching feature is a pin.

8. The slide rail mechanism according to claim 1, characterized in that, One of the reinforcing member and the first support member has a plurality of adjustment amount identification features, and the other of the reinforcing member and the first support member has a window for providing a user with visual access to one of these adjustment amount identification features.

9. The slide rail mechanism according to claim 1, characterized in that, The reinforcing member is further provided with a first limiting feature, and the first supporting member is further provided with a second limiting feature; when the first supporting member is in the second predetermined position relative to the reinforcing member, the first limiting feature and the second limiting feature are mutually locked.

10. The slide rail mechanism according to claim 9, characterized in that, One of the first limiting feature and the second limiting feature is an elastic arm.

11. The slide rail mechanism according to claim 1, characterized in that, It also includes a movable rail that is movably mounted on the second side of the slide rail.

12. A slide rail mechanism, suitable for a machine frame, the slide rail mechanism comprising a slide rail and a bracket device, characterized in that: The slide rail has a first side and a second side that are positioned opposite each other; and The bracket assembly is arranged on the first side of the slide rail, and the bracket assembly includes: A reinforcing member is connected to the slide rail; A first bracket is arranged to one of the slide rail and the reinforcement, and the first bracket is provided with a first mounting member for mounting to a first column of the frame; A first support member is movably installed on the reinforcing member; A second support member is movably mounted on the first support member; and A second bracket is arranged to the second support member, and the second bracket is provided with a second mounting member for mounting to a second column of the frame; The reinforcing member and the first support member are provided with a plurality of predetermined features, and the other of the reinforcing member and the first support member are provided with a locking feature, which is used to lock onto one of the predetermined features so that the first support member is kept in a predetermined position relative to the reinforcing member. The bracket device also includes an elastic element, and the second support responds to the elastic force of the elastic element, so that the second mounting member of the second bracket has a force for mounting toward the second column of the frame.

13. The slide rail mechanism according to claim 12, characterized in that, The elastic element is installed between the first support and the second support.

14. The slide rail mechanism according to claim 12, characterized in that, The reinforcing member includes a first wall, a second wall, and a longitudinal wall connected between the first wall and the second wall of the reinforcing member. The first wall, the second wall, and the longitudinal wall of the reinforcing member together define a reinforcing channel for the first support member to be movably installed.

15. The slide rail mechanism according to claim 14, characterized in that, The first support member includes a first wall, a second wall, and a longitudinal wall connected between the first wall and the second wall of the first support member, and the first wall, the second wall, and the longitudinal wall of the first support member together define a support channel for the second support member to be movably installed.

16. The slide rail mechanism according to claim 15, characterized in that, The first and second walls of the reinforcing member are used to hold the first and second walls of the first support member, respectively; the first and second walls of the first support member are used to hold a first wall and a second wall of the second support member, respectively.

17. A bracket device comprising a reinforcing member, a first bracket, a first support member, a second support member, and a second bracket, characterized in that: The reinforcing member has a first end and a second end that are positioned opposite each other; The first bracket is located at the first end adjacent to the reinforcement member, and the first bracket is provided with a first mounting member; The first support member is movably mounted on the reinforcing member; The second support member is movably mounted on the first support member; and The second bracket is arranged to the second support member, the second bracket is arranged at the first end away from the reinforcement member, and the second bracket is provided with a second mounting member; The reinforcing member and one of the first support members are arranged to have a plurality of predetermined features, and the reinforcing member and the other of the first support members are arranged to have a locking feature. When the latching feature is latched to one of these predetermined features, the first support member is in a first predetermined position relative to the reinforcing member, and a first distance is defined between the first mounting member of the first bracket and the second mounting member of the second bracket. When the latching feature is latched to one of the predetermined features, the first support member is in a second predetermined position relative to the reinforcing member, and a second distance is defined between the first mounting member of the first bracket and the second mounting member of the second bracket, which is different from the first distance.

18. The bracket device according to claim 17, characterized in that, It also includes an elastic element installed between the first support and the second support.

19. The bracket device according to claim 18, characterized in that, The reinforcing member includes a first wall, a second wall, and a longitudinal wall connected between the first wall and the second wall of the reinforcing member. The first wall, the second wall, and the longitudinal wall of the reinforcing member together define a reinforcing channel for the first support member to be movably installed.

20. The bracket device according to claim 19, characterized in that, The first support member includes a first wall, a second wall, and a longitudinal wall connected between the first wall and the second wall of the first support member. The first wall, the second wall, and the longitudinal wall of the first support member together define a support channel for the second support member to be movably installed. The first wall and the second wall of the reinforcement member are used to hold the first wall and the second wall of the first support member, respectively. The first wall and the second wall of the first support member are used to hold the first wall and the second wall of the second support member, respectively.

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