CN204120609U - Ultrathin electric is adjustable bed - Google Patents

Ultrathin electric is adjustable bed Download PDF

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Publication number
CN204120609U
CN204120609U CN201420627734.8U CN201420627734U CN204120609U CN 204120609 U CN204120609 U CN 204120609U CN 201420627734 U CN201420627734 U CN 201420627734U CN 204120609 U CN204120609 U CN 204120609U
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CN
China
Prior art keywords
bed
frame
rod
rotationally
horizontal sliding
Prior art date
Application number
CN201420627734.8U
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Chinese (zh)
Inventor
王胜根
Original Assignee
王胜根
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201420627734.8U priority Critical patent/CN204120609U/en
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Publication of CN204120609U publication Critical patent/CN204120609U/en

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Abstract

The utility model discloses a kind of Ultrathin electric adjustable bed, comprise go to bed frame and a backboard hinged in turn, a seat board, a thigh plate and a calf plate, described seat board is fixedly connected with described frame of going to bed; The bottom of described backboard is provided with a horizontal sliding motor A, two head rod A, link A, two the second connecting rod A and two wedge A; Described horizontal sliding motor A comprises an a slide block A and guide rail A, and described slide block A and described guide rail A is slidably connected; Slide block A described in described horizontal sliding motor A drives reciprocates between its initial position and extreme position; Described link A comprises a connecting axle A.The adjustable bed advantage of Ultrathin electric of the present utility model is: thickness is less, and Soft Roll is later comparatively attractive in appearance, is placed on existing bedstead or on floor and directly uses, and thickness can not seem too high, easy to use.

Description

Ultrathin electric is adjustable bed
Technical field
The utility model relates to electric furniture field, and more precisely a kind of Ultrathin electric is adjustable bed.
Background technology
Chinese utility model patent ZL201320559323.5 discloses a kind of beddo, but the thickness of this beddo is comparatively large, attractive in appearance not, when this bed is placed on existing bedstead by user, the height of whole bed may be made higher, use inconvenience.
Utility model content
The utility model mainly solves the technical problem existing for prior art, thus providing a kind of thickness less, Soft Roll is later comparatively attractive in appearance, is placed on existing bedstead or on floor and directly uses, thickness can not seem too high, and Ultrathin electric easy to use is adjustable bed.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of Ultrathin electric is adjustable bed, and comprise go to bed frame and a backboard hinged in turn, a seat board, a thigh plate and a calf plate, described seat board is fixedly connected with described frame of going to bed;
The bottom of described backboard is provided with a horizontal sliding motor A, two head rod A, link A, two the second connecting rod A and two wedge A;
Described horizontal sliding motor A comprises an a slide block A and guide rail A, and described slide block A and described guide rail A is slidably connected; Slide block A described in described horizontal sliding motor A drives reciprocates between its initial position and extreme position;
Described link A comprises a connecting axle A, described connecting axle A is provided with two engaging lug A, two linking arm A and two roller A; One end of described engaging lug A and one end of described linking arm A are all mutually arranged vertically with described connecting axle A and are fixedly connected with; Axis and the described connecting axle A of described roller A are arranged in parallel;
Described wedge A is fixedly connected with described backboard, and its top comprises an inclined-plane A;
One end and the described slide block A of described head rod A are rotationally connected, and the other end and the described engaging lug A of described head rod A are rotationally connected;
One end of the second described connecting rod A and the other end of described linking arm A are rotationally connected, and the other end and the described frame of going to bed of the second described connecting rod A are rotationally connected;
Described roller A rolls with described inclined-plane A and is connected.
As the utility model preferred embodiment, described Ultrathin electric is adjustable bed also comprises a lower bed frame, described frame of going to bed slides with described lower bed frame or rolls and is connected.
As the utility model preferred embodiment, described Ultrathin electric is adjustable bed also comprises a horizontal sliding connecting rod, and one end and the described lower bed frame of described horizontal sliding connecting rod are rotationally connected, and the other end and described backboard are rotationally connected.
As the utility model preferred embodiment, described lower bed frame comprises the channel-section steel of two counterparts be arranged in parallel towards inner side, described frame of going to bed is provided with two pairs of translation rollers, and described translation roller is arranged in described channel-section steel.
As the utility model preferred embodiment, the bottom of described calf plate is provided with a horizontal sliding motor B, two head rod B, link B, two the second connecting rod B and two wedge B;
Described horizontal sliding motor B comprises a slide block B and a guide rail B, and described slide block B and described guide rail B are slidably connected; Slide block B described in described horizontal sliding motor B drives reciprocates between its initial position and extreme position;
Described link B comprises a connecting axle B, described connecting axle B is provided with two engaging lug B, two linking arm B and two roller B; One end of described engaging lug B and one end of described linking arm B are all mutually arranged vertically with described connecting axle B and are fixedly connected with; Axis and the described connecting axle B of described roller B are arranged in parallel;
Described wedge B is fixedly connected with described calf plate, and its top comprises an inclined-plane B;
One end and the described slide block B of described head rod B are rotationally connected, and the other end and the described engaging lug B of described head rod B are rotationally connected;
The other end and the described frame of going to bed of described linking arm B are rotationally connected;
One end and the described frame of going to bed of the second described connecting rod B are rotationally connected, and the other end and the described calf plate of the second described connecting rod B are rotationally connected;
Described roller B rolls with described inclined-plane B and is connected.
As the utility model preferred embodiment, described linking arm A is connected by an elbow formula hinge with the second described connecting rod A, and described linking arm B is also connected by an elbow formula hinge with described frame of going to bed.
As the utility model preferred embodiment, described elbow formula hinge comprises one first connecting portion and one second connecting portion, the first described connecting portion comprises two the first otic placodes, the second described connecting portion comprises second otic placode, the first described otic placode and the second described otic placode are rotationally connected by pin, the inner side of the first described otic placode is provided with the first limiting stand that two angles are α, the both sides of the second described otic placode are respectively arranged with the second limiting stand that two angles are β, α and β and be less than 360 °, the second described connecting portion can be limited by the first described limiting stand and the second described limiting stand only can rotate in (360 °-alpha-beta) scope relative to the first described connecting portion.
The adjustable bed advantage of Ultrathin electric of the present utility model is: thickness is less, and Soft Roll is later comparatively attractive in appearance, is placed on existing bedstead or on floor and directly uses, and thickness can not seem too high, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the adjustable bed perspective view of Ultrathin electric of the present utility model;
Fig. 2 is the adjustable bed front view be in when turning up state of the Ultrathin electric in Fig. 1;
The front view of Fig. 3 when to be that the Ultrathin electric in Fig. 1 is adjustable bed be in flat;
Fig. 4 is the adjustable bed detonation configuration schematic diagram of the Ultrathin electric in Fig. 1;
Fig. 5 is the perspective view of the lower bed frame in Fig. 1;
Fig. 6 is the perspective view of the frame of going to bed in Fig. 1;
Fig. 7 is the adjustable bed simplification structural representation of the Ultrathin electric in Fig. 1, does not now show lower bed frame, stereopsis solution;
Fig. 8 is the adjustable bed front view of the Ultrathin electric in Fig. 7;
Fig. 9 is the perspective view at adjustable bed another visual angle of the Ultrathin electric in Fig. 7;
Figure 10 is the perspective view at adjustable bed another visual angle of the Ultrathin electric in Fig. 7;
Figure 11 is the perspective view of the horizontal sliding motor A in Fig. 8;
Figure 12 is the perspective view of the link A in Fig. 8;
Figure 13 is the perspective view of the wedge A in Fig. 8;
Figure 14 is the perspective view at the adjustable bed another visual angle of the Ultrathin electric in Fig. 7;
Figure 15 is the perspective view of the horizontal sliding motor B in Figure 14;
Figure 16 is the perspective view of the link B in Figure 14;
Figure 17 is the perspective view of the wedge B in Figure 14;
Figure 18 is the perspective view of the elbow formula hinge in Fig. 7;
Figure 19 is the perspective view of the first connecting portion in Figure 18;
Figure 20 is the front view of the first connecting portion in Figure 19;
Figure 21 is the perspective view of the second connecting portion in Figure 18;
Figure 22 is the front view of the second connecting portion in Figure 21;
Figure 23 is the front view of the elbow formula hinge in Figure 18, and now this second connecting portion is in one of them extreme position relative to this first connecting portion;
Figure 24 is the front view of the elbow formula hinge in Figure 18, and now this second connecting portion is in another extreme position relative to this first connecting portion;
Figure 25 is the slewing area schematic diagram of the second connecting portion of elbow formula hinge in Figure 18, and now visual angle is main looking;
Wherein:
1, lower bed frame; 11, channel-section steel;
2, to go to bed frame; 21, translation roller;
3, backboard; 31, horizontal sliding motor A; 311, slide block A; 312, guide rail A; 32, head rod A; 33, link A; 331, connecting axle A; 332, engaging lug A; 333, linking arm A; 334, roller A; 34, the second connecting rod A; 35, wedge A; 351, inclined-plane A;
4, seat board;
5, thigh plate;
6, calf plate; 61, horizontal sliding motor B; 611, slide block B; 612, guide rail B; 62, head rod B; 63, link B; 631, connecting axle B; 632, engaging lug B; 633, linking arm B; 634, roller B; 64, the second connecting rod B; 65, wedge B; 651, inclined-plane B;
7, horizontal sliding connecting rod;
8, elbow formula hinge; 81, the first connecting portion; 811, the first otic placode; 812, the first limiting stand; 82, the second connecting portion; 821, the second otic placode; 822, the second limiting stand.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
The adjustable bed advantage of Ultrathin electric of the present utility model is: thickness is less, and Soft Roll is later comparatively attractive in appearance, is placed on existing bedstead or on floor and directly uses, and thickness can not seem too high, easy to use.
As Figure 1-Figure 4, a kind of Ultrathin electric is adjustable bed, comprise a lower bed frame 1, to go to bed frame 2 and backboard 3, seat board 4, thigh plate 5 and a calf plate 6 hinged in turn, this frame 2 of going to bed slides with this lower bed frame 1 or rolls and is connected, thus be free to go to bed frame 2 of promotion and move forward and backward, this seat board 4 is fixedly connected with this frame 2 of going to bed;
As shown in Fig. 7-Figure 10, the bottom of this backboard 3 is provided with a horizontal sliding motor A31, two head rod A32, link A33, two the second connecting rod A34 and two wedge A35; This horizontal sliding motor A31 forms the drive unit of this backboard 3;
As shown in figure 11, this horizontal sliding motor A31 comprises a slide block A311 and a guide rail A312, this slide block A311 and this guide rail A312 and is slidably connected; This horizontal sliding motor A31 drives this slide block A311 to reciprocate between its initial position and extreme position; When this slide block A311 is positioned at extreme position, this backboard 3 is in level; When this slide block A311 is positioned at initial position, this backboard 3 is in maximum inclination state;
As shown in figure 12, this link A33 comprises a connecting axle A331, this connecting axle A331 is provided with two engaging lug A332, two linking arm A333 and two roller A334; One end of this engaging lug A332 and one end of this linking arm A333 are all mutually arranged vertically with this connecting axle A331 and are fixedly connected with; Axis and this connecting axle A331 of this roller A334 are arranged in parallel;
As shown in figure 13, this wedge A35 is fixedly connected with this backboard 3, and its top comprises an inclined-plane A351;
Still as shown in Fig. 7-Figure 11, one end and this slide block A311 of this head rod A32 are rotationally connected, and the other end and this engaging lug A332 of this head rod A32 are rotationally connected;
One end of this second connecting rod A34 and the other end of this linking arm A333 are rotationally connected, and the other end and this frame 2 of going to bed of this second connecting rod A34 are rotationally connected;
This roller A334 rolls with this inclined-plane A351 and is connected.
When this slide block A311 moves along this guide rail A312, drawn by this head rod A32 or promote this connecting axle A331, this roller A334 is rolled along this inclined-plane A351, and drives this linking arm A333 and this second connecting rod A34 to rotate, reach the object lifting or keep flat this backboard 3.
As shown in Figure 1, Figure 2, Figure 4 shows, this Ultrathin electric is adjustable bed also comprises a horizontal sliding connecting rod 7, and one end and this lower bed frame 1 of this horizontal sliding connecting rod 7 are rotationally connected, and the other end and this backboard 3 are rotationally connected.Because this frame 2 of going to bed can relative to this lower bed frame 1 translation, after this horizontal sliding connecting rod 7 is set, one end and the lower bed frame 1 of this horizontal sliding connecting rod 7 are rotationally connected, this backboard 3 can be drawn move backward in the process that backboard 3 lifts, the frame 2 that makes further to go to bed also moves together backward, reaches the object of auto zero by wall, moves forward in the process that backboard 3 keeps flat by promoting this backboard 3, the frame 2 that makes further to go to bed also moves forward together, equally also can reach zero by the object of wall; After user uses the backboard of this structure, head can keep nearer distance with wall, when seeing TV, be unlikely to due to lifting of backboard 3 from TV distance become close to, easy to use.
The structure of calf plate 6 and the similar of backboard 3, specific as follows:
As shown in figure 14, the bottom of this calf plate 6 is provided with a horizontal sliding motor B61, two head rod B62, link B63, two the second connecting rod B64 and two wedge B65; The structure of this horizontal sliding motor B61 is identical with the effect of horizontal sliding motor A31, forms the drive unit of this calf plate 6;
As shown in figure 15, the structure of this horizontal sliding motor B61 is identical with the structure of horizontal sliding motor A31, and this horizontal sliding motor B61 comprises slide block B 611 and a guide rail B612, and this slide block B 611 is slidably connected with this guide rail B612; This horizontal sliding motor B61 drives this slide block B 611 to reciprocate between its initial position and extreme position;
As shown in figure 16, this link B63 comprises a connecting axle B631, this connecting axle B631 is provided with two engaging lug B632, two linking arm B633 and two roller B634; One end of this engaging lug B632 and one end of this linking arm B633 are all mutually arranged vertically with this connecting axle B631 and are fixedly connected with; Axis and this connecting axle B631 of this roller B634 are arranged in parallel;
As shown in figure 17, this wedge B65 is fixedly connected with this calf plate 6, and its top comprises an inclined-plane B651;
As shown in figure 14, one end and this slide block B 611 of this head rod B62 are rotationally connected, and the other end and this engaging lug B632 of this head rod B62 are rotationally connected;
The other end of this linking arm B633 and this frame 2 of going to bed are rotationally connected;
One end and this frame 2 of going to bed of this second connecting rod B64 are rotationally connected, and the other end and this calf plate 6 of this second connecting rod B64 are rotationally connected;
This roller B634 rolls with this inclined-plane B651 and is connected.
When this slide block B 611 moves along this guide rail B612, drawn by this head rod B62 or promote this connecting axle B631, this roller B634 is rolled along this inclined-plane B651, the other end of this linking arm B633 is also rotationally connected with frame 2 of going to bed, this second connecting rod B64 is also rotationally connected with frame 2 of going to bed, under the comprehensive function of this link B63 and this second connecting rod B64, realize the object lifting or keep flat this calf plate 6, and drive thigh plate 5 to lift or keep flat, final realization has similar shape when rising to the Tui Bu Curled of people or stretch, the leg of support people that can be good, use comparatively comfortable.
As shown in Figure 5, this lower bed frame 1 comprises the channel-section steel 11 of two counterparts be arranged in parallel towards inner side, and as shown in Figure 6, this frame 2 of going to bed is provided with two pairs of translation rollers 21, and this translation roller 21 is arranged in this channel-section steel 11.This structure frame 2 that can prevent from going to bed is separated from each other with lower bed frame 1, easy to use, and is conducive to reducing the adjustable bed thickness of whole Ultrathin electric.
As shown in Figure 7, Figure 8, this linking arm A333 is connected by an elbow formula hinge 8 with this second connecting rod A34, elbow formula hinge 8 can be limited as elbow activity, this second connecting rod A34 can only be rotated in limited range relative to this linking arm A333, after backboard 3 arrives horizontal level, can prevent it from continuing to rotate; Also the angle of inclination of backboard 3 can be prevented excessive.
As shown in Figure 9, Figure 10, the other end of this linking arm B633 is also rotationally connected by elbow formula hinge 8 with frame 2 of going to bed, and for limiting the slewing area of this linking arm B633, prevents calf plate 6 and thigh plate 5 from continuing behind the position that is up to the standard heavy downwards; The height that also can prevent calf plate 6 and thigh plate 5 from lifting is excessive.
As shown in figure 18, this elbow formula hinge 8 comprises one first connecting portion 81 and one second connecting portion 82, as Figure 19, shown in Figure 20, this first connecting portion 81 comprises two the first otic placodes 811, as Figure 21, shown in Figure 22, this second connecting portion 82 comprises second otic placode 821, this first otic placode 811 is rotationally connected by pin with this second otic placode 821, as shown in figure 20, the inner side of this first otic placode 811 is provided with the first limiting stand 812 that two angles are α, as shown in figure 22, the both sides of this second otic placode 821 are respectively arranged with the second limiting stand 822 that two angles are β, as Figure 23, shown in Figure 24, α and β and be less than 360 °, as shown in figure 25, this second connecting portion 82 can be limited by this first limiting stand 812 and this second limiting stand 822 only can rotate in (360 °-alpha-beta) scope relative to this first connecting portion 81.
Below only in one embodiment mentality of designing of the present utility model is described, when system allows, the utility model can expand to external more functional module simultaneously, thus expands its function to greatest extent.
The above, be only detailed description of the invention of the present utility model, but protection domain of the present utility model is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.

Claims (7)

1. a Ultrathin electric is adjustable bed, comprise frame of going to bed (2) and a backboard (3) hinged in turn, a seat board (4), a thigh plate (5) and a calf plate (6), described seat board (4) is fixedly connected with described frame of going to bed (2); It is characterized in that:
The bottom of described backboard (3) is provided with a horizontal sliding motor A (31), two head rod A (32), a link A (33), two the second connecting rod A (34) and two wedge A (35);
Described horizontal sliding motor A (31) comprises a slide block A (311) and guide rail A (312), and described slide block A (311) and described guide rail A (312) are slidably connected; Slide block A (311) described in described horizontal sliding motor A (31) drives reciprocates between its initial position and extreme position;
Described link A (33) comprises a connecting axle A (331), described connecting axle A (331) is provided with two engaging lug A (332), two linking arm A (333) and two roller A (334); One end of described engaging lug A (332) and one end of described linking arm A (333) are all mutually arranged vertically with described connecting axle A (331) and are fixedly connected with; Axis and the described connecting axle A (331) of described roller A (334) are arranged in parallel;
Described wedge A (35) is fixedly connected with described backboard (3), and its top comprises an inclined-plane A (351);
One end and the described slide block A (311) of described head rod A (32) are rotationally connected, and the other end and the described engaging lug A (332) of described head rod A (32) are rotationally connected;
One end of the second described connecting rod A (34) and the other end of described linking arm A (333) are rotationally connected, and the other end and the described frame of going to bed (2) of the second described connecting rod A (34) are rotationally connected;
Described roller A (334) rolls with described inclined-plane A (351) and is connected.
2. Ultrathin electric according to claim 1 is adjustable bed, it is characterized in that: described Ultrathin electric is adjustable bed also comprises a lower bed frame (1), described frame of going to bed (2) slides with described lower bed frame (1) or rolls and is connected.
3. Ultrathin electric according to claim 2 is adjustable bed, it is characterized in that: described Ultrathin electric is adjustable bed also comprises a horizontal sliding connecting rod (7), one end and the described lower bed frame (1) of described horizontal sliding connecting rod (7) are rotationally connected, and the other end and described backboard (3) are rotationally connected.
4. Ultrathin electric according to claim 2 is adjustable bed, it is characterized in that: described lower bed frame (1) comprises the channel-section steel (11) of two counterparts be arranged in parallel towards inner side, described frame of going to bed (2) is provided with two pairs of translation rollers (21), described translation roller (21) is arranged in described channel-section steel (11).
5. Ultrathin electric according to claim 1 is adjustable bed, it is characterized in that: the bottom of described calf plate (6) is provided with a horizontal sliding motor B (61), two head rod B (62), a link B (63), two the second connecting rod B (64) and two wedge B (65);
Described horizontal sliding motor B (61) comprises a slide block B (611) and a guide rail B (612), and described slide block B (611) and described guide rail B (612) are slidably connected; Slide block B (611) described in described horizontal sliding motor B (61) drives reciprocates between its initial position and extreme position;
Described link B (63) comprises a connecting axle B (631), described connecting axle B (631) is provided with two engaging lug B (632), two linking arm B (633) and two roller B (634); One end of described engaging lug B (632) and one end of described linking arm B (633) are all mutually arranged vertically with described connecting axle B (631) and are fixedly connected with; Axis and the described connecting axle B (631) of described roller B (634) are arranged in parallel;
Described wedge B (65) is fixedly connected with described calf plate (6), and its top comprises an inclined-plane B (651);
One end and the described slide block B (611) of described head rod B (62) are rotationally connected, and the other end and the described engaging lug B (632) of described head rod B (62) are rotationally connected;
The other end and the described frame of going to bed (2) of described linking arm B (633) are rotationally connected;
One end and the described frame of going to bed (2) of the second described connecting rod B (64) are rotationally connected, and the other end and the described calf plate (6) of the second described connecting rod B (64) are rotationally connected;
Described roller B (634) rolls with described inclined-plane B (651) and is connected.
6. Ultrathin electric according to claim 1 is adjustable bed, it is characterized in that: described linking arm A (333) is connected by an elbow formula hinge (8) with the second described connecting rod A (34), described linking arm B (633) and described frame of going to bed (2) are also connected by an elbow formula hinge (8).
7. Ultrathin electric according to claim 6 is adjustable bed, it is characterized in that: described elbow formula hinge (8) comprises one first connecting portion (81) and one second connecting portion (82), described the first connecting portion (81) comprises two the first otic placodes (811), described the second connecting portion (82) comprises second otic placode (821), described the first otic placode (811) and described the second otic placode (821) are rotationally connected by pin, the inner side of described the first otic placode (811) is provided with the first limiting stand (812) that two angles are α, the both sides of described the second otic placode (821) are respectively arranged with the second limiting stand (822) that two angles are β, α and β and be less than 360 °, described the second connecting portion (82) can be limited by described the first limiting stand (812) and described the second limiting stand (822) only can rotate in " 360 °-alpha-beta " scope relative to described the first connecting portion (81).
CN201420627734.8U 2014-10-27 2014-10-27 Ultrathin electric is adjustable bed CN204120609U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420627734.8U CN204120609U (en) 2014-10-27 2014-10-27 Ultrathin electric is adjustable bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420627734.8U CN204120609U (en) 2014-10-27 2014-10-27 Ultrathin electric is adjustable bed

Publications (1)

Publication Number Publication Date
CN204120609U true CN204120609U (en) 2015-01-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104398051A (en) * 2014-10-27 2015-03-11 王胜根 Ultrathin electric adjustable bed
CN105942752A (en) * 2016-06-23 2016-09-21 惠州金桔家具有限公司 Electric bed
GB2551700A (en) * 2016-06-20 2018-01-03 Motus Mech Limited Seat back for an article of adjustable furniture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104398051A (en) * 2014-10-27 2015-03-11 王胜根 Ultrathin electric adjustable bed
CN104398051B (en) * 2014-10-27 2016-08-24 王胜根 Ultrathin electric is adjustable bed
GB2551700A (en) * 2016-06-20 2018-01-03 Motus Mech Limited Seat back for an article of adjustable furniture
US10736423B2 (en) 2016-06-20 2020-08-11 Hhc Changzhou Corporation Seatback for an article of adjustable furniture
CN105942752A (en) * 2016-06-23 2016-09-21 惠州金桔家具有限公司 Electric bed

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