CN206761201U - Angle adjustment accessory and the sofa using the accessory - Google Patents
Angle adjustment accessory and the sofa using the accessory Download PDFInfo
- Publication number
- CN206761201U CN206761201U CN201621294495.4U CN201621294495U CN206761201U CN 206761201 U CN206761201 U CN 206761201U CN 201621294495 U CN201621294495 U CN 201621294495U CN 206761201 U CN206761201 U CN 206761201U
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- China
- Prior art keywords
- angle adjustment
- mentioned
- adjustment accessory
- pendular body
- supporting mass
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/402—Support for the head or the back for the back adjustable in height
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/541—Supports for the arms of adjustable type
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model provides a kind of angle adjustment accessory so that even with can sway (inclinations) rest portions furniture, will not also produce loose fold on its enclosure, be able to maintain that the always graceful even surface with tension force.The angle adjustment accessory 8 is characterised by：It include supporting mass 10 and by be fixed on above-mentioned supporting mass 10 one end main shaft 13 and the pendular body 30 that swingably assembles, certain interval is provided with the plane of oscillation of axle center X, Y of above-mentioned main shaft 13 supporting mass 10 intersected and the plane of oscillation of the above-mentioned pendular body 30 intersecting with axle center X, Y of above-mentioned main shaft 13 and is abreast configured, above-mentioned angle adjustment accessory 8 makes above-mentioned pendular body 30 to be swung to direction of standing up (A directions), while limits above-mentioned pendular body 30 and swung to toppling direction (B directions) and can keep desired angle of inclination.Especially, it is provided with the sliding equipment 80 with the slide unit 85 that can be reciprocated according to the swing angle of above-mentioned pendular body 30 along above-mentioned pendular body 30.
Description
Technical field
It the utility model is related to the angle adjustment accessory for furniture such as sofa, chairs.
Background technology
In the past, for making headrest (head-rest), handrail (arm-rest), leg rest located at furniture such as sofa, chairs
Etc. (foot-rest) the angle adjustment accessory of (reclinable) of can swaying is widely used.For example, in the presence of enabling position of swaying
It is enough to be swung to direction of standing up and prevent it from being swung to toppling direction, and can with defined angle of inclination it is multistage keep oblique
Lean on the angle adjustment accessory (referenced patent document 1) at position.
Patent document 1：No. 4296223 publications of Japanese Patent No.
Utility model content
However, as the conventional furniture using angle adjustment accessory, the accompanying drawing for example such as this specification can be enumerated and schemed
Shown in 41,2 groups of bearing-surface (bearing surface) portions 3 and back-rest 4 are provided with side by side between a pair of leg sections 2,2
Sofa 1.Also, erected in the headrest portion 5 for making to be installed on the upper end of back-rest 4 from posture is toppled over to direction of standing up (A directions)
When, the enclosure (upholstery) between back-rest 4 and headrest portion 5 produces relaxation fold 9 sometimes.Especially make
Relaxation fold 9 is easily produced in by the use of thicker leather as the luxurious surface sofa of the enclosure.Same relaxation fold 9 is in leg rest
Portion 6, armrest part 7 also easily produce.It is bad in the presence of not only use feeling (sensation of seat) if producing above-mentioned loose fold 9, also
Significantly this problem of infringement design.
In view of the above problems, its problem is to provide a kind of angle adjustment accessory the utility model so that even having
Can sway (inclination) rest portions furniture, will not also produce loose fold on its enclosure, and the enclosure can always maintain to have
Tensioned graceful even surface.
To solve above-mentioned problem, the angle adjustment accessory involved by the utility model has following structure：
Above-mentioned angle adjustment accessory includes：Supporting mass；And
By be fixed on above-mentioned supporting mass one end main shaft and the pendular body that swingably assembles,
The plane of oscillation of the supporting mass intersected with the axle center of above-mentioned main shaft and the above-mentioned swing intersecting with the axle center of above-mentioned main shaft
The plane of oscillation of body is provided with certain interval and abreast configured,
Above-mentioned angle adjustment accessory enables above-mentioned pendular body to be swung to direction of standing up, meanwhile,
Limit above-mentioned pendular body to swing to toppling direction, and desired angle of inclination can be kept,
Above-mentioned angle adjustment accessory is provided with sliding equipment, and above-mentioned sliding equipment has the angle of oscillation according to above-mentioned pendular body
Degree, the slide unit reciprocated along above-mentioned pendular body.
According to the utility model, according to the angle that pendular body is swung along pendular body position occurs for the slide unit of sliding equipment
Move.For example, situation about being erected in the pendular body of the present utility model for making to be assembled in headrest portion from tilt state to direction of standing up
Under, slide unit will slide according to angle of standing up along pendular body.Therefore, the drawing of appropriateness will be applied to the enclosure of covering head occipitalia
Power.As a result, loose fold will not be produced on the enclosure of covering head occipitalia.
In addition, according to the utility model, in the case of headrest portion is toppled over, slide unit will also be slided along pendular body
It is dynamic.Therefore, the enclosure will not be tightened, therefore can topple over easily headrest portion.
Further, according to the utility model, the pendular body of supporting mass is swingably supported in by main shaft with above-mentioned
Swung centered on the axle center of main shaft.Therefore, the appearance and size in the diametric(al) of main shaft near its circumference is required minimum
The size of limit.As a result, assembled by the main shaft near its circumference of the angle adjustment accessory involved by the utility model
When entering sofa etc., due to not needing larger accommodation space, therefore assembling operation is easily carried out.
As embodiment of the present utility model, sliding equipment can be also configured at above-mentioned supporting mass and above-mentioned pendular body it
Between.
According to present embodiment, the enclosure of furniture will be difficult to touch sliding equipment, so as to obtain the furniture of beauty.
As another embodiment of the present utility model, sliding equipment can be also configured to the export-oriented face of above-mentioned pendular body
Side.
According to present embodiment, the configuration of sliding equipment can be selected, makes the free degree of design wider, and be easy to set
Meter.
As another embodiment of the present utility model, above-mentioned sliding equipment is alternatively including above-mentioned slide unit and driven
Move the structure of multiple movable connection members of above-mentioned slide unit.
It is available to change as needed by changing the shape of multiple movable connection members according to present embodiment
The angle adjustment accessory of the displacement of slide unit.
As different embodiment of the present utility model, it is L-shaped that above-mentioned supporting mass is alternatively bending, and be able to can fill
Insert the bar of tubular installation fitting with unloading.
According to present embodiment, supporting mass can be releasably installed on to tubular installation fitting.Therefore, it is possible to pack
When or transport when make supporting mass from tubular installation fitting separate, so as to save accommodation space.
Sofa involved by the utility model is following structure：In sofa, especially in headrest portion, armrest part and leg rest
Portion is assembled with above-mentioned angle adjustment accessory.
According to the utility model, by the way that above-mentioned angle adjustment accessory is applied into headrest portion, loose fold will not be produced.Cause
This, has the effect that：The sofa that use feeling is good, design is higher can be obtained.
Brief description of the drawings
Fig. 1 is the feelings for representing the first embodiment of the angle adjustment accessory involved by the utility model being applied to sofa
The schematic perspective view of condition.
Fig. 2 is the stereogram for the first embodiment for representing the angle adjustment accessory involved by the utility model.
Fig. 3 enters to the first embodiment of the angle adjustment accessory involved by the utility model from different angles for expression
Stereogram during row observation.
Fig. 4 is the exploded perspective view of the angle adjustment accessory shown in Fig. 2.
Fig. 5 is the exploded perspective view of the angle adjustment accessory shown in Fig. 3.
Fig. 6 is the cross-sectional view of the angle adjustment accessory shown in Fig. 2.
Fig. 7 is the longitudinal section stereogram of the angle adjustment accessory shown in Fig. 2.
Fig. 8 is the part enlarged front view of the angle adjustment accessory shown in Fig. 2.
Fig. 9 A to Fig. 9 F are the enlarged drawing of the major part for the action for representing floating wedge part in Fig. 9.
Figure 10 is for the rearview for the operation for illustrating the angle adjustment accessory involved by first embodiment.
Figure 11 is then Figure 10 rearview.
Figure 12 is then Figure 11 rearview.
Figure 13 is then Figure 12 rearview.
Figure 14 is then Figure 13 rearview.
Figure 15 is for the front view for the operation for illustrating the angle adjustment accessory involved by first embodiment.
Figure 16 is then Figure 15 front view.
Figure 17 is then Figure 16 front view.
Figure 18 is then Figure 17 front view.
Figure 19 is then Figure 18 front view.
Figure 20 is the stereogram for the second embodiment for representing the angle adjustment accessory involved by the utility model.
Figure 21 is expression from different angles to the second embodiment of the angle adjustment accessory involved by the utility model
Stereogram when being observed.
Figure 22 is the stereogram for the 3rd embodiment for representing the angle adjustment accessory involved by the utility model.
Figure 23 is expression from different angles to the 3rd embodiment of the angle adjustment accessory involved by the utility model
Partial perspective view when being observed.
Figure 24 is the exploded perspective view of the angle adjustment accessory shown in Figure 22.
Figure 25 is the exploded perspective view of the angle adjustment accessory shown in Figure 23.
Figure 26 is the cross-sectional view of the angle adjustment accessory shown in Figure 22.
Figure 27 is the longitudinal section stereogram of the angle adjustment accessory shown in Figure 22.
Figure 28 is the front view of the part amplification of the angle adjustment accessory shown in Figure 22.
Figure 29 is for the front view for the operation for illustrating the angle adjustment accessory involved by the 3rd embodiment.
Figure 30 is then Figure 29 front view.
Figure 31 is then Figure 30 front view.
Figure 32 is then Figure 31 front view.
Figure 33 is then Figure 32 front view.
Figure 34 is for the rearview for the operation for illustrating the angle adjustment accessory involved by the 3rd embodiment.
Figure 35 is then Figure 34 rearview.
Figure 36 is then Figure 35 rearview.
Figure 37 is then Figure 36 rearview.
Figure 38 is then Figure 37 rearview.
Figure 39 is the stereogram for the 4th embodiment for representing the angle adjustment accessory involved by the utility model.
Figure 40 is expression from different angles to the 4th embodiment of the angle adjustment accessory involved by the utility model
Stereogram when being observed.
Figure 41 is for the stereogram for the example for illustrating prior art.
Embodiment
Fig. 1 with reference to the accompanying drawings to Figure 40 is said to the embodiment of the angle adjustment accessory involved by the utility model
It is bright.
As shown in Fig. 1 to Figure 19, the angle adjustment accessory 8 involved by first embodiment is installed on by installation fitting 20
The headrest portion 5 of sofa 1, the both sides of the edge portion of armrest part 7.
As shown in figure 1, sofa 1 has is configured with 2 groups of 3 and of supporting face between a pair of the leg sections 2,2 set are erect
The structure of back-rest 4.In addition, it is each configured with base portion 2a in the outside of above-mentioned leg section 2.Moreover, in the upper end of leg section 2
The armrest part 7 that can be swung centered on swinging center X is configured with by angle adjustment accessory 8.Further, leg section
2 and armrest part 7 covered by the continuous enclosure such as leather, cloth.
The leading section of above-mentioned supporting face 3 by angle adjustment accessory (not shown) be configured with can using swinging center as
Center and the leg rest portion 6 swung.Can be with swinging axle in addition, being provided with the upper end of above-mentioned back-rest 4 by angle adjustment accessory 8
The headrest portion 5 swung centered on heart Y.Moreover, headrest portion 5, back-rest 4, supporting face 3 and leg rest portion 6 are by leather, cloth
Covered etc. the continuous enclosure.
As shown in fig. 6, angle adjustment accessory 8 is in the supporting mass 10 and pendulum linked by the way that section is hexagonal main shaft 13
Sliding equipment 80 is configured between kinetoplast 30.Sliding equipment 80 for example make headrest portion 5 to stand up direction A swing in the case of,
The enclosure for suppressing sofa 1 produces relaxation fold.Therefore, it can be said that sliding equipment 80 is the mechanism for preventing surface from producing fold.
As shown in figure 4, supporting mass 10 has the shape by pole material bending into generally L-shaped, and can be assembled in aftermentioned
Installation fitting 20.Also, the bottom of supporting mass 10 also has the thin neck 11 for anti-dropout.In addition, located at supporting mass
It is hexagonal main shaft 13 that insertion, which is fixed with section, in the hexagonal through hole 12 (Fig. 4) of 10 horizontal end.From main shaft 13
Leading section be provided projectingly with the anticreep axle 14 on its same axle center.Grooving 15 is provided with the front end face of anticreep axle 14.
As shown in figure 3, installation fitting 20 by the installing component main body 21 of tubular, with being formed at the outer of installation fitting main body 21
Nut 23 that the external thread part 21a on surface is threadedly engaged and it is sticked in the anti-of notch 21c located at installation fitting main body 21
Out of stock 25 form.Also, annular rib 21b has been integrally formed it in the upper end open edge part of installation fitting main body 21.Cause
This, the core (not shown) of sofa 1 is clamped by annular rib 21b, packing ring (washer) 24 and nut 23, so as to incite somebody to action
Installation fitting 20 is fixed on sofa 1.Also, by the installation that the supporting mass 10 of angle adjustment accessory 8 is inserted to installation fitting 20
Fitment body 21, and locking pin 25 is engaged with notch 21c, it can prevent supporting mass 10 from coming off.
Therefore, in the present embodiment, angle adjustment accessory 8 can be releasably assembled in installation fitting 20.Therefore,
If using above-mentioned installation fitting 20, angle adjustment accessory 8 can be separated in packaging and transport.As a result, tool
Have the following advantages：Can obtain that accommodation space and wieldy angle adjustment accessory 8 can be saved.
As shown in figure 4, pendular body 30 by swing phosphor bodies 31, is individually fixed in the surface for the one end for swinging phosphor bodies 31
And a pair of wall bodies 40,41 at the back side, the tooth clamped through the through hole 42 located at wall body 40,41 and by above-mentioned wall body 40,41
Wheel component 50, the floating wedge part 60 chimeric with the wedged window oral area 43 located at above-mentioned wall body 40,41 and the shape of back-moving spring 70
Into.
In phosphor bodies 31 are swung, along its length provided with guide groove 32, and in a side of above-mentioned guide groove 32
Edge part is nearby provided with the riveted holes (caulking hole) 33 as swing pivot.Wedged window oral area 43 is located at above-mentioned riveting
Hole 33 and between the through hole 42 of above-mentioned wall body 40,41.In addition, as shown in figure 8, swinging a side of phosphor bodies 31
Leading section is provided with the locator protrusions 34,35 for being used for being positioned to leaf spring 36.Leaf spring 36 is crimped on aftermentioned floating wedge part 60
Bearing surface 61, and it is tended to geared parts 50 force of floating wedge part 60.
Wall body 40,41 has the through hole 42 (Fig. 4) that can be fitted together to geared parts 50, meanwhile, in above-mentioned through hole 42
Nearby it is provided with wedged window oral area 43.Wedged window oral area 43 has the wedge surface 43a of arc-shaped as shown in Figure 9 A.Above-mentioned wedge surface 43a with
The mode for moving closer to the gear part 53 of aftermentioned geared parts 50 is formed.In addition, above-mentioned wedged window oral area 43 has shelf space
43b, above-mentioned shelf space 43b are used to store it in the case where making floating wedge part 60 leave gear part 53.Also,
Above-mentioned wedged window oral area 43 is formed with the domatic 43c of guiding being connected with above-mentioned shelf space 43b.Further, as shown in figure 8,
Wall body 40,41 is provided with positioning notch 44 along its peripheral edge portion.It is used to position aftermentioned shell portion 72,73.
As shown in fig. 7, geared parts 50 have the hexagonal axis hole 51 for being available for main shaft 13 to insert.In addition, geared parts
50 along the opening edge portion of above-mentioned axis hole 51 formed with annular stepped portion 52.Further, as shown in figure 8, geared parts 50 exist
Its arc-shaped peripheral edge portion, formed with gear part 53 in the range of being 100 °~120 ° in such as central angle.Also, above-mentioned
The top portion of gear part 53, which is provided with down, to push away with jut 54.Further, the terminal part in said gear portion 53, which is provided with, above pushes away use
Jut 55.
Also, as shown in Fig. 6 and Fig. 7, geared parts 50 pass through the annular stepped portion that makes to be formed at its surface and the back side
52nd, 52 is chimeric with the through hole 42,42 of wall body 40,41 respectively, so as to swingably be clamped by a pair of wall bodies 40,41.Further
Ground, by making the main shaft 13 integrated with supporting mass 10 insert axis hole 51, geared parts 50 are integratedly swung with supporting mass 10.
As shown in figure 8, a surface side of floating wedge part 60 is set as bearing surface 61, another surface side is set as the flank of tooth 62.Such as
Shown in Fig. 9, above-mentioned bearing surface 61 is connected to the wedge surface 43a of the wedged window oral area 43 formed in wall body 40,41.In addition, above-mentioned
The flank of tooth 62 forms with teeth.Therefore, if bearing surface 61 is connected to wedge surface 43a, and the gear part of the flank of tooth 62 and geared parts 50
53 engagements, then prevent pendular body 30 from being swung to toppling direction using wedging action.
It should illustrate, in fig.9, for convenience of description, it is illustrated that the number of teeth of the flank of tooth 62 is set to the floating wedge part of 5
60 and the gear part 53 for the geared parts 50 being engaged with.But such as it can also be formed in the flank of tooth 62 of floating wedge part 60
13~20 teeth, the tooth of more than 40 is formed in geared parts 50, further preferably forms 45~65 teeth.Thus, may be used
Angle adjustment series is set to more than 40 grades.
As shown in figure 4, back-moving spring 70 is with the shape that the tape spring material of long size is wound into scroll
Scroll spring (spiral spring).Also, the one end 70a of back-moving spring 70 is sticked in the grooving 15 of main shaft 13, meanwhile,
Its other end 70b is engaging in the locking with teat 73b of aftermentioned shell portion 73.Therefore, because the elastic force of back-moving spring 70, moment of torsion will
Often pendular body 30 is acted on.
It should illustrate, according to present embodiment, due to using scroll spring as back-moving spring 70, therefore edge can be reduced
Appearance and size on the direction in the axle center of main shaft 13.Therefore, have the following advantages that：Compact angle adjustment accessory 8 can be obtained.
In addition, division board 71 is configured between wall body 40 and back-moving spring 70.It is used to prevent back-moving spring 70 with floating
Dynamic wedge portion part 60 is contacted so that floating wedge part 60 swimmingly works.Furthermore it is inserted with the anticreep of main shaft 13 in above-mentioned division board 71
Teat 73b is used in axle 14 and the locking of shell portion 73.
A pair of shell portions 72,73 that above-mentioned wall body 40,41 and back-moving spring 70 are mutually fitted together to cover.In shell portion 72,73
Locator protrusions 72a (Fig. 4) of the inner peripheral surface edge part formed with the notch 44 for being sticked in above-mentioned wall portion 40,41,73a (Fig. 8).
In addition, shell portion 73 is provided with the interior locking use teat 73b to face prominent to face out of it, and being embedded in shell portion 72.
The other end 70b that it is used to make above-mentioned back-moving spring 70 is engaging in above-mentioned locking teat 73b.
As shown in figure 4, sliding equipment 80 can rotation connection by fixed connecting part 81, the 1st movable connection member the 82, the 2nd
Part 83, the 3rd movable connection member 84 and the slip being supported by a manner of it can be slided along the guide groove 32 for swinging phosphor bodies 31
Part 85 is formed.
Fixed connecting part 81 has the hexagonal through hole 81a for being available for main shaft 13 to insert.Also, by by through hole
81a inserts in main shaft 13, and fixed connecting part 81 clamps (figure by the tubular distance member 87 with flange 87a and supporting mass 10
7).Also, the one end of the 1st movable connection member 82 is swingably linked to located at above-mentioned through hole by riveting part 90
Through hole 81b near 81a.
1st movable connection member 82 has the shape for being bent into generally'S '-shaped.Also, the 1st movable connection member 82 is another
End is swingably linked to the pars intermedia of the 2nd movable connection member 83 by riveting part 91.
Above-mentioned 2nd movable connection member 83 is strip.Also, the one end of the 2nd movable connection member 83 passes through interval
Part 89 (Fig. 5), riveting part 92 are swingably linked to the riveted holes 33 for swinging phosphor bodies 31, and its other end passes through riveting
Relay part 93 is swingably linked to the one end of the 3rd movable connection member 84.
3rd movable connection member 84 is arc-shaped, its other end by distance member 88, riveting part 94 swingably
It is connected to slide unit 85.Especially, riveting part 94 runs through aftermentioned buffer body 86 and can be along the guiding for swinging phosphor bodies 31
Groove 32 slides.
It is reverse U shape that slide unit 85, which can be embedded in and swing phosphor bodies 31 and section, and installation portion 85a is from the lower end of its side
Edge part is to extending sideways.Also, slide unit 85 is embedded in the buffer body for the guide groove 32 for swinging phosphor bodies 31 with clamping
86 mode is assembled.Further, slide unit 85 is slideably assembled in pendular body by a pair of riveting parts 94,95
Main body 31.
Further, in the present embodiment, although being said to situation about swingably being linked by riveting part
It is bright, but riveting part is not limited to, it can be also fixed by other mode of connection, such as bolt, nut.In addition, work as
So also can and with riveting part and other mode of connection.
Buffer body 86 is the frictional resistance that phosphor bodies 31 and slide unit 85 are swung for reducing, so that slide unit 85 is suitable
The part freely slided.In addition, buffer body 86 eliminates the loosening swung between phosphor bodies 31 and slide unit 85, and reduce slip
Slip sound when part 85 slides.
As shown in Figure 20 and Figure 21, the second embodiment and first of the angle adjustment accessory involved by the utility model
Embodiment is essentially identical, difference be its by with first embodiment in line it is symmetrical in a manner of formed.Pair therefore, with first
Embodiment identical part, which is accompanied by, to be identically numbered and omits the description.
It should illustrate, the angle adjustment accessory 8 involved by first, second embodiment is as shown in figure 1, symmetrical respectively
Ground is installed on headrest portion 5 and the both sides of the edge portion of armrest part 7.
Next, Fig. 9 to Figure 19 with reference to the accompanying drawings illustrates to the application method of above-mentioned angle adjustment accessory 8.Should
Illustrate, for purposes of illustration only, in the angle adjustment accessory 8 shown in Fig. 1, be conceived to the angle adjustment positioned at the right side in headrest portion 5
Accessory 8 (first embodiment) illustrates.
It should illustrate, be carried out and the due to being pointed to the angle adjustment accessory 8 (second embodiment) in left side in headrest portion 5
The identical of angle adjustment accessory 8 operation of one embodiment, therefore omit and the angle adjustment involved by second embodiment is matched somebody with somebody
The operation of part 8, the explanation of action.
First, in the case where headrest portion 5 is poured onto into final tilt state, the enclosure of covering head occipitalia 5, which is in, is fitted
Spend the state of stretching.Therefore, relaxation fold, the cover on the surface of covering head occipitalia 5 are produced not between back-rest 4 and headrest portion 5
Smooth and beautiful curve is presented in set.Now, as shown in Figure 10, the sliding part for the angle adjustment accessory 8 being assembled in headrest portion 5
Part 85 is near the position of main shaft 13.
In addition, although back-moving spring 70 is in most loose state, finally incline in order to which pendular body 30 is held in
Inversion is put, and back-moving spring 70 makes it tend to toppling direction the force of pendular body 30.Also, as shown in Figure 9 A, floating wedge part 60
The flank of tooth 62 be engaged in the gear parts 53 of geared parts 50.Then, if user is sitting on sofa 1, the cover of supporting face 3
Set sinks, and the enclosure of back-rest 4 is by facial 3 side stretchings of supporting, and the enclosure of covering head occipitalia 5 is by the effect of under tension.
But the moment of torsion of the elastic force based on back-moving spring 70 will suppress headrest portion 5 and swing to the direction A that stands up, and continue to protect in headrest portion 5
It is held in final dump position.
Then, if user makes headrest portion 5 resist the moment of torsion of the elastic force based on back-moving spring 70, by it from finally toppling over
Angle desired by from position to direction of standing up (A directions) pull-up, then swing the geared parts 50 for making pendular body 30.Therefore, such as
Shown in Fig. 9 B to Fig. 9 D, it will be pushed away by the floating wedge part 60 of the force of force application spring 36 to the direction opposite with force direction
Return.As a result, the flank of tooth 62 of floating wedge part 60 will be released from (figure with the state that the gear part 53 of geared parts 50 engages
9C).Moreover, the flank of tooth 62 of floating wedge part 60 by the sound for sending rattle while crossing the gear of geared parts 50
Portion 53.
Then, if stopping correct occipitalia 5 carries out pull-up operation, the elastic force of force application spring 36 will be to floating wedge part 60
Force makes it tend to the side of gear part 53 of geared parts 50, therefore the gear of the flank of tooth 62 of floating wedge part 60 and geared parts 50
Portion 53 is engaged.Then, if headrest portion 5 pressed to toppling direction, the bearing surface 61 of floating wedge part 60, which will be connected to, to be set
The wedge surface 43a in the wedged window oral area 43 of wall body 40,41 is put, due to wedge effect, headrest portion 5 will not topple over to toppling direction, energy
It is enough to keep desired angle of inclination.
As described above, pendular body 30 is swung with by headrest portion 5 to direction pull-up is stood up.Therefore, such as Figure 10 to Figure 19
Shown, being linked to the 1st movable connection member 82 of fixed connecting part 81 will swing, and drive the 2nd movable connection member 83.Cause
This, the 2nd movable connection member 83 occurs to swing and drives the 3rd movable connection member 84.As a result, the 3rd movable connection member
84 release slide unit 85, therefore slide unit 85 will slide along the guide groove 32 for swinging phosphor bodies 31.Also, due to installation
It will be slided simultaneously in the installation portion 85a of slide unit 85 headrest portion 5, therefore the enclosure of covering head occipitalia 5 will be stretched.
Therefore, if the example of prior art, then the enclosure of covering head occipitalia 5 will be with headrest portion 5 by direction of standing up
Pull-up and relax, and start to produce loose fold.But according to present embodiment, as headrest portion 5 erects, slide unit 85
By the front end Slideslip along the guide groove 32 of swing phosphor bodies 31 to swing phosphor bodies 31.Therefore, headrest portion 5 will be by slide unit
85 pull up along phosphor bodies 31 are swung.As a result, the enclosure of covering head occipitalia 5 and back-rest 4 will be stretched moderately, so as to
Relaxation fold will not be produced between headrest portion 5 and back-rest 4.Therefore, in user by headrest portion 5 to direction (A side of standing up
To) during pull-up to defined angle, loose fold can not be produced and erect headrest portion 5.
Also, if by more than the pull-up of headrest portion 5 to defined angle, then as shown in fig. 9e, put with the one of pendular body 30
Push away under dynamic geared parts 50 and pushed down on floating wedge part 60 with jut 54.Therefore, floating wedge part 60 will be along drawing
Lead domatic 43c to slide and preserve to shelf space 43b, so as to release the tooth of the flank of tooth 62 of floating wedge part 60 and geared parts 50
The engagement of wheel portion 53.As a result, floating wedge part 60 disappears to the position limitation of pendular body 30.Therefore, because it is based on
The moment of torsion of the elastic force of back-moving spring 70, headrest portion 5 can return automatically to final dump position.
In addition, if headrest portion 5 returns to final dump position, the slide unit 85 of sliding equipment 80 will be along pendular body master
The guide groove 32 of body 31 slides, and returns to original position.Therefore, when returning to final dump position in headrest portion 5, it is located at
The enclosure between headrest portion 5 and back-rest 4 will not be tightened.Therefore, headrest portion 5 will successfully automatically return to final dump position.
As shown in fig. 9f, geared parts 50 above push away the floating wedge part 60 that shelf space 43b will be stored in jut 55 to its result
Press upwards on to the domatic 43c of guiding.Now, force application spring 36 makes it tend to geared parts 50 force of floating wedge part 60 always
Side.Therefore, the flank of tooth 62 of floating wedge part 60 is engaged in the gear part 53 of geared parts 50 again, so as to return to shape shown in Fig. 9 A
State.Moreover, even if the headrest portion 5 in final dump position is pressed to toppling direction, the bearing surface 61 of floating wedge part 60
Also the wedge surface 43a of wedged window oral area 43 will be crimped on.Therefore, because the wedging action of floating wedge part 60, headrest portion 5 will not enter
One step is toppled over.
Even if entering to exercise the operation that headrest portion 5 erects to direction of standing up again, the slide unit 85 of sliding equipment 80
It will be slided along the guide groove 32 for swinging phosphor bodies 31.Therefore, the enclosure between headrest portion 5 and back-rest 4 can be moderately stretched,
Therefore loose fold will not be produced.
From now on, by the way that operation same as described above is repeated, loose fold will not be produced, and can be by headrest portion 5
Adjust to most suitable angle.
Obtained by described above, if making pendular body 30 be swung to direction of standing up, slide unit 85 will be along guide groove 32
Axis parallel slide and away from main shaft 13.Therefore, slide unit 85 moderately stretching can be located at headrest portion 5 and back-rest 4
Between the enclosure, therefore loose fold will not be produced.Especially since slide unit 85 will abreast slide along guide groove 32,
Therefore the enclosure will not be contacted, so as to heave the enclosure.
In addition, even if pendular body 30 is swung to toppling direction, slide unit 85 is also by along the axis parallel of guide groove 32
Slide and close to main shaft 13 in ground.Therefore, the drawing of the enclosure of the slide unit 85 by mitigation between headrest portion 5 and back-rest 4
Power, therefore the enclosure will not be tightened.The result is that headrest portion 5 can be made successfully to topple over.
As shown in Figure 22 to Figure 40, the basic structure of the angle adjustment accessory 8 involved by the 3rd embodiment and above-mentioned the
One embodiment is essentially identical.Both larger differences are the export-oriented surface side that sliding equipment 80 is configured to pendular body 30
(Figure 26).
As shown in figure 24, supporting mass 10 and first embodiment are essentially identical, have pole material bending into generally L-shaped
Shape, and aftermentioned installation fitting 20 can be assembled in.Also, supporting mass 10 has for the thin of anti-dropout in its bottom
Neck 11.In addition, inserted with section it is hexagon in the star through hole 12 (Figure 24) of the horizontal end located at supporting mass 10
Main shaft 13, and by welding and integration.Main shaft 13 has the screwed hole 16 run through along its axle center.
As shown in figure 22, installation fitting 20 is identical with first embodiment.Pair therefore, with first embodiment identical portion
Divide to be accompanied by and be identically numbered and omit the description.
As shown in figure 24, pendular body 30 is by swing phosphor bodies 31, the gear in one end integrally for swinging phosphor bodies 31
Part 5, the axis hole 51 for being embedded in geared parts 50 and from a pair of wall bodies 40 of surface and back side clamping said gear part 50,
41st, the floating wedge part 60 and back-moving spring 70 for being embedded in the wedged window oral area 43 for being located at above-mentioned wall body 40,41 are formed.
In phosphor bodies 31 are swung, along its length provided with guide groove 32, meanwhile, in a side of above-mentioned guide groove 32
Edge part is nearby provided with the riveted holes 33 as swing pivot.
As shown in Figure 24 and 25, geared parts 50 have the axis hole 51 for being available for main shaft 13 to insert.In addition, such as Figure 24 institutes
Show, geared parts 50 are in the arc-shaped peripheral edge portion of one side, shape in the range of being 100 °~120 ° in such as central angle
Into there is gear part 53.Also, pushed away under being provided with the top portion in said gear portion 53 with jut 54.Further, in above-mentioned tooth
The terminal part of wheel portion 53 is provided with and above pushed away with jut 55.
As shown in Figure 24 and 25, wall body 40,41 has the hexagonal through hole 42 for being available for main shaft 13 to insert, meanwhile,
Wedged window oral area 43 is provided near above-mentioned through hole 42.As shown in figure 28, wedged window oral area 43 has the wedge surface of arc-shaped
43a.Above-mentioned wedge surface 43a in a manner of moving closer to the gear part 53 of aftermentioned geared parts 50 to form.In addition, above-mentioned wedge window
Portion 43 has shelf space 43b, and it is right in the state of floating wedge part 60 is left gear part 53 that above-mentioned shelf space 43b is used for
It is stored.Also, above-mentioned wedged window oral area 43 is formed with the domatic 43c of guiding being connected with above-mentioned shelf space 43b.
In addition, as shown in Figure 26 and 27, opening edge portion of the wall body 40,41 in the relative surface side of above-mentioned through hole 42
She You not annular rib 45,45.Annular rib 45,45 has the profile for the axis hole 51 that can be embedded in geared parts 50.
Further, it has been provided projectingly respectively by prominent processing for entering to leaf spring 36 in the opposite face of wall body 40,41
Locator protrusions 40a, 40b and 41a, the 41b of row positioning.
As shown in Figure 20, Figure 25 and Figure 28, leaf spring 36 has tape spring material bending into generally U-shaped shape.
Also, by the way that leaf spring 36 to be assembled in the locator protrusions 40a (41a) of wall body 40 (41), one end and locator protrusions 40b
(41b) engages, meanwhile, its other end is crimped on the bearing surface of floating wedge part 60.Therefore, leaf spring 36 is to floating wedge part 60
Force makes it tend to the side of gear part 53 of geared parts 50.
As shown in figure 28, floating wedge part 60 and first embodiment are essentially identical.Also, the one side of floating wedge part 60
Side is set as bearing surface 61, and its another surface side is set as the flank of tooth 62.As shown in Fig. 9 and Figure 28, above-mentioned bearing surface 61 and first
Embodiment is similarly connected to the wedge surface 43a of the wedged window oral area 43 formed in wall body 40,41.In addition, in the above-mentioned flank of tooth 62
Formed with teeth.Therefore, wedge surface 43a is connected in bearing surface 61, also, the flank of tooth 62 is engaged in the gear part 53 of geared parts 50
In the case of, due to wedging action, pendular body 30 will be prevented to be swung with respect to supporting mass 10 to toppling direction.
As shown in figure 24, above-mentioned wall body 40,41 is covered by a pair of mutually chimeric shell portions 72,73.Also, by supporting mass 10
Main shaft 13 insert shell portion 73, after being subsequently inserted into pendular body 30, shell portion 72 is assembled in shell portion 73.Then, by making bolt 96
It is threadedly engaged with the screwed hole 16 of main shaft 13 so that shell portion 72, shell portion 73 are integrated with main shaft 13.Therefore, section is hexagon
Main shaft 13 be embedded in the hexagonal through hole 42,42 of wall body 40,41.As a result, supporting mass 10 and wall body 40,41 are always
Integratedly swing.
Back-moving spring 70 is the helical spring (coil that forms the wire form springs material volume coiled of long size
spring).Also, as shown in figure 26, back-moving spring 70 is embedded in by welding and integrated with the end face of main shaft 13
The nut 75 of cylinder.Further, by making bolt 77 be threadedly engaged via packing ring 76 and nut 75, to prevent back-moving spring
70 come off from nut 75.Then, make the one end 70a of back-moving spring 70 engaging in supporting mass 10 and make the another of back-moving spring 70
One end 70b is engaging in swing phosphor bodies 31.Therefore, because the elastic force of back-moving spring 70, moment of torsion will act on pendular body often
30.It should illustrate, the axle center of above-mentioned nut 75 and the axle center of above-mentioned main shaft 13 are located along the same line.
As shown in figure 24, sliding equipment 80 is movably connected by the 1st movable connection member 82, the 2nd movable connection member the 83, the 3rd
Relay part 84 and the slide unit 85 being supported by a manner of it can be slided along the guide groove 32 for swinging phosphor bodies 31 are formed.
1st movable connection member 82 has the shape for being bent into approximately C-shaped.Also, one end of the 1st movable connection member 82
Portion is swingably linked to shell portion 72 by riveting part 90, and its other end is pivotably connected in by riveting part 91
The pars intermedia of 2 movable connection members 83.
2nd movable connection member 83 is strip.Also, the one end of the 2nd movable connection member 83 passes through distance member
88th, riveting part 92 is swingably linked to the riveted holes 33 for swinging phosphor bodies 31, and its other end can by riveting part 93
Swingingly it is linked to the one end of the 3rd movable connection member 84.
3rd movable connection member 84 is arc-shaped, and its other end is swingably linked to slip by riveting part 94
Part 85.Especially, riveting part 94 can slide through slide unit 85 and along the guide groove 32 for swinging phosphor bodies 31.
Slide unit 85 has can be across the cross sectional shape for swinging phosphor bodies 31, and installation portion 85a is from the lower end of its side
Edge part is to extending sideways.Also, slide unit 85 is assembled in a manner of clamping and swinging phosphor bodies 31, and passes through a pair of rivetings
Relay part 94,95, which is slideably assembled in, swings phosphor bodies 31.
It should illustrate, in the present embodiment, although being said to situation about swingably being linked by riveting part
It is bright, but riveting part is not limited to, it can be also fixed by other mode of connection, such as bolt, nut.In addition,
Certainly also can and with riveting part and other mode of connection.
As shown in Figure 39 and Figure 40, the 4th embodiment of the angle adjustment accessory 8 involved by the utility model and the
Three embodiments are essentially identical, its difference be its by with the 3rd embodiment in line it is symmetrical in a manner of formed.Pair therefore, with
3rd embodiment identical part, which is accompanied by, to be identically numbered and omits the description.
It is and above-mentioned in the application method of the angle adjustment accessory 8 involved by present embodiment as shown in Figure 29 to Figure 38
First embodiment is substantially alike conjugated.
If for example, make to be assembled with the armrest part 7 of the angle adjustment accessory 8 involved by the 3rd embodiment to direction of standing up
(A directions) and toppling direction (B directions) are swung, then pendular body 30 will be swung with respect to supporting mass 10.Therefore, with the first embodiment party
Formula is identical, as shown in figure 9, floating wedge part 60 will be subjected to displacement in the wedged window oral area 43 of wall body 40,41.Also, with pendulum
The swinging operation of kinetoplast 30 is corresponding, and the 1st, the 2nd, the 3rd movable connection member 82,83,84 of sliding equipment 80 will be driven.Its
As a result, slide unit 85 reciprocates with the swing of pendular body 30 and along phosphor bodies 31 are swung.As a result, due to assembling
The armrest part 7 for having pendular body 30 reciprocates along phosphor bodies 31 are swung, therefore will not produce pine on the enclosure of covering armrest part 7
Relaxation fold.As a result, have the following advantages that：The sofa that use feeling is good and design is higher can be obtained.
Because other parts are identical with above-mentioned first embodiment, therefore identical part is accompanied by and is identically numbered and saves
Slightly illustrate.
In the three, the 4th embodiments, the 1st movable connection member 82 is arc-shaped, the swing pivot positioned at both ends
Distance between the fulcrum is shorter.Accordingly, it is capable to the angle adjustment accessory 8 that the displacement for accessing slide unit 85 is shorter.As a result,
Have the following advantages that：It can be provided according to the needs of the rest portions of application angle adjustment accessory with different displacement
Angle adjustment accessory.
In the above-described embodiment, as shown in Figure 10 and Figure 34, by the face in the axle center of the horizontal part of supporting mass 10 with
It is located at by the face in the axle center of pendular body 30 on the same face.Therefore, the supporting mass 10 even in angle adjustment accessory 8 using L-shaped
In the case of, the height dimension Z of pendular body 30 is also smaller.As a result, it can reduce in order to by involved by present embodiment
Swing the installation dimension that phosphor bodies 31 are installed on required for headrest portion 5 or armrest part 7.As a result, have the following advantages that：Can
Make headrest portion 5 or the armrest part 7 of the angle adjustment accessory 8 involved by assembling present embodiment thinning.
In the above-described embodiment, angle of inclination is adjusted to the combination of floating wedge part and geared parts can be utilized
Angle adjustment accessory is illustrated.But above-mentioned embodiment is not necessarily limited to, can also apply to certainly can be right
Pendular body carries out swinging operation, and other angle adjustments that pendular body can be maintained to desired angle of inclination are matched somebody with somebody
Part.
In the above-described embodiment, although the bar that generally L-shaped is bent to using is carried out as the situation of supporting mass
Illustrate, but be not necessarily limited to this, it is possible to use straight bar.
In addition, supporting mass is also not limited to situation about being formed by bar, also can be by the board-like material or straight of generally L-shaped
The board-like material of strip formed.
In the above-described embodiment, although the feelings of the core to supporting mass to be installed on to sofa etc. by tubular installation fitting
Condition is illustrated, but is not necessarily limited to this, can also be mounted directly.For example, it can also be formed on bar-shaped supporting mass outer
Threaded portion, it is directly mounted on by packing ring, nut on the core of sofa etc..In addition, it will can be also made up certainly of board-like material
Supporting mass be directly screwed on core.
Industrial utilizability
Angle adjustment accessory involved by the utility model is applicable not only to above-mentioned sofa, is equally applicable to chair, folds
The furniture such as formula bed.In addition, being applicable not only to headrest portion, armrest part, leg rest portion is naturally applicable also to.
Symbol description
1 sofa
3 supporting faces
4 back-rests
5 headrest portions (rest portions)
6 leg rest portions (rest portions)
7 armrest parts (rest portions)
8 angle adjustment accessories
10 supporting masses
11 thin necks
12 through holes
13 main shafts
16 screwed holes
20 installation fittings
30 pendular bodies
31 swing phosphor bodies
32 guide grooves
40 wall bodies
41 wall bodies
42 through holes
43 wedged window oral areas
43a wedge surfaces
43b shelf spaces
43c guiding is domatic
50 geared parts
53 gear parts
Pushed away under 54 and use jut
55 above push away and use jut
60 floating wedge parts
61 bearing surfaces
62 flank of tooth
70 back-moving springs
70a one ends
70b the other end
71 division boards
72 shell portions
73 shell portions
80 sliding equipments
81 fixed connecting parts
82 the 1st movable connection members
83 the 2nd movable connection members
84 the 3rd movable connection members
85 slide units
86 buffer bodies
A stands up direction
B toppling directions
The axle center (swinging center) of X main shafts
The axle center (swinging center) of Y main shafts
Claims (7)
1. a kind of angle adjustment accessory (8), it is characterised in that the angle adjustment accessory (8) includes：
Supporting mass (10)；And
By be fixed on the supporting mass (10) one end main shaft (13) and the pendular body (30) that swingably assembles,
The plane of oscillation of the supporting mass (10) intersected with the axle center of the main shaft (13) and intersecting with the axle center of the main shaft (13)
The plane of oscillation of the pendular body (30) is provided with certain interval and abreast configured, and the axle center is axle center X or axle center Y,
The angle adjustment accessory (8) makes the pendular body (30) to be swung to direction of standing up, meanwhile,
Limit the pendular body (30) to swing to toppling direction, and desired angle of inclination can be kept,
The direction i.e. A directions of standing up, the toppling direction is B directions,
The angle adjustment accessory (8) is provided with sliding equipment (80), and the sliding equipment (80) has according to the pendular body
(30) swing angle, the slide unit (85) reciprocated along the pendular body (30).
2. angle adjustment accessory (8) as claimed in claim 1, it is characterised in that
Sliding equipment (80) is configured between the supporting mass (10) and the pendular body (30).
3. angle adjustment accessory (8) as claimed in claim 1, it is characterised in that
Sliding equipment (80) is configured to the export-oriented surface side of the pendular body (30).
4. the angle adjustment accessory (8) as described in any one in claims 1 to 3, it is characterised in that
The sliding equipment (80) includes multiple movable connections of the slide unit (85) and the driving slide unit (85)
Part (82,83,84).
5. the angle adjustment accessory (8) as described in any one in claims 1 to 3, it is characterised in that
The supporting mass (10) is formed by bending bar that is L-shaped and can releasably inserting tubular installation fitting.
6. angle adjustment accessory (8) as claimed in claim 4, it is characterised in that
The supporting mass (10) is formed by bending bar that is L-shaped and can releasably inserting tubular installation fitting.
A kind of 7. sofa (1), it is characterised in that：
It is assembled with the angle adjustment accessory (8) described in any one in claim 1 to 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-129218 | 2016-06-29 | ||
| JP2016129218A JP2018000381A (en) | 2016-06-29 | 2016-06-29 | Angle adjustment fixture and sofa using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206761201U true CN206761201U (en) | 2017-12-19 |
Family
ID=59215658
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611062941.3A Pending CN107536324A (en) | 2016-06-29 | 2016-11-25 | Angle adjustment accessory and the sofa using the accessory |
| CN201621294495.4U Active CN206761201U (en) | 2016-06-29 | 2016-11-25 | Angle adjustment accessory and the sofa using the accessory |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611062941.3A Pending CN107536324A (en) | 2016-06-29 | 2016-11-25 | Angle adjustment accessory and the sofa using the accessory |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3262985A1 (en) |
| JP (1) | JP2018000381A (en) |
| CN (2) | CN107536324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107536324A (en) * | 2016-06-29 | 2018-01-05 | 东莞向阳金属制品有限公司 | Angle adjustment accessory and the sofa using the accessory |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6830703B1 (en) * | 2020-06-18 | 2021-02-17 | 向陽技研株式会社 | Angle adjuster and furniture using it |
| AT525080B1 (en) * | 2021-09-22 | 2022-12-15 | Joka Kapsamer Gmbh | Furniture with an upholstery resting on a base frame |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20005850U1 (en) * | 2000-03-29 | 2000-07-20 | Lusch Gmbh & Co Kg Ferd | Seating furniture provided with at least one support part |
| DE202007016435U1 (en) * | 2007-11-23 | 2008-02-07 | Ferdinand Lusch Gmbh & Co. Kg | Two furniture parts of a chair pivotally interconnecting pivot fitting |
| DE202007017997U1 (en) * | 2007-12-22 | 2008-03-20 | Ferdinand Lusch Gmbh & Co. Kg | Locking device |
| JP4296223B1 (en) * | 2008-05-23 | 2009-07-15 | 直伸 山下 | Angle adjustment bracket |
| CN102860690A (en) * | 2011-07-05 | 2013-01-09 | 向阳技研株式会社 | Hinge with adjustable angles |
| CN203506109U (en) * | 2013-10-20 | 2014-04-02 | 林国荣 | Resettable hinge with movable piece |
| JP2018000381A (en) * | 2016-06-29 | 2018-01-11 | 向陽技研株式会社 | Angle adjustment fixture and sofa using the same |
-
2016
- 2016-06-29 JP JP2016129218A patent/JP2018000381A/en active Pending
- 2016-11-25 CN CN201611062941.3A patent/CN107536324A/en active Pending
- 2016-11-25 CN CN201621294495.4U patent/CN206761201U/en active Active
-
2017
- 2017-06-26 EP EP17177867.3A patent/EP3262985A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107536324A (en) * | 2016-06-29 | 2018-01-05 | 东莞向阳金属制品有限公司 | Angle adjustment accessory and the sofa using the accessory |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3262985A1 (en) | 2018-01-03 |
| JP2018000381A (en) | 2018-01-11 |
| CN107536324A (en) | 2018-01-05 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |