Source: http://patents.com/us-10194546.html
Timestamp: 2019-02-19 17:20:11
Document Index: 787898657

Matched Legal Cases: ['Application No. 15872195', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'arts 30', 'arts 30', 'arts 30', 'art 30', 'art 32', 'art 30', 'art 30', 'art 14', 'arts 14', 'art 14', 'art 14', 'arts 14', 'art 30', 'art 32', 'art 14', 'art 14', 'art 14', 'art 14', 'art 14', 'arts 14', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 32', 'art 30', 'art 16', 'art 30', 'art 16', 'art 16', 'art 104', 'art 104', 'art 106', 'art 106', 'art 30', 'arts 104', 'art 30', 'arts 104', 'art 30', 'art 30', 'art 30', 'art 30', 'arts 104', 'art 104', 'art 106', 'art 14', 'art 16', 'art 30', 'art 30', 'art 34', 'art 104', 'art 108']

US Patent # 1,019,4546. Display device and stand - Patents.com
United States Patent 10,194,546
Hori January 29, 2019
Hori; Masatoshi (Osaka, JP)
Family ID: 1000003789894
15/509,603
PCT/JP2015/006217
WO2016/103620
US 20170295659 A1 Oct 12, 2017
Dec 26, 2014 [JP] 2014-266517
Current CPC Class: H05K 5/0234 (20130101); G09F 9/00 (20130101); H04N 5/64 (20130101); H05K 5/02 (20130101); H05K 5/03 (20130101); H05K 5/0017 (20130101); G09F 9/301 (20130101)
Current International Class: H05K 5/02 (20060101); H05K 5/03 (20060101); H05K 5/00 (20060101); G09F 9/00 (20060101); H04N 5/64 (20060101); G09F 9/30 (20060101)
2002/0051349 May 2002 Serizawa
2004/0211866 October 2004 Jung
2005/0152109 July 2005 Choi
2005/0253037 November 2005 Kim
2006/0208145 September 2006 Chen
2008/0278044 November 2008 Honda
2009/0121097 May 2009 Takao
2013/0168335 July 2013 Gillespie
2014/0126125 May 2014 Yamamoto
2014/0185252 July 2014 Sakurada
2014/0355805 December 2014 Park
2015/0293553 October 2015 Aoyagi
2015/0355675 December 2015 Lv
2003-061010 Feb 2003 JP
2006-227405 Aug 2006 JP
2006-304079 Nov 2006 JP
2007-156176 Jun 2007 JP
2009-122274 Jun 2009 JP
3193326 Sep 2014 JP
2014-232323 Dec 2014 JP
2015-169860 Sep 2015 JP
International Search Report of PCT application No. PCT/JP2015/006217 dated Mar. 15, 2016. cited by applicant .
Communication pursuant to Rule 164(1) EPC dated Nov. 21, 2017 for the related European Patent Application No. 15872195.1. cited by applicant.
1. A display device comprising: a display unit provided with a display screen on a front side; and a stand that supports the display unit from below, wherein the stand includes: a base that supports the display unit at a rear side of the display unit and extends in a lateral width direction of the display unit; a pair of legs that supports both longitudinal ends of the base from below respectively and extends across a lower edge of the display unit in a front-rear direction; and a connection portion that connects an end of each of the pair of legs on the front side of the display unit to each other, wherein one longitudinal end of the connection portion is detachably fixed to the end of one of the pair of legs, and another longitudinal end of the connection portion is detachably fixed to the end of another one of the pair of legs, wherein the stand further includes: an external cover member that covers the leg from outside of the stand; and an internal cover member that covers the leg from inside of the stand to interpose the leg between the internal cover member and the external cover member, wherein one of the external cover member and the internal cover member has a claw, and wherein the other of the external cover member and the internal cover member has an engaged portion with which the claw is engaged.
3. The display device according to claim 2, wherein the base includes a pair of first fixing portions and a pair of second fixing portions that are for fixing the pair of connection members, an arrangement interval between the pair of second fixing portions is smaller than an arrangement interval between the pair of first fixing portions, in a case where the display screen has a first size, the pair of connection members is respectively fixed to the pair of first fixing portions, and in a case where the display screen has a second size smaller than the first size, the pair of connection members is respectively fixed to the pair of second fixing portions.
5. The display device according to claim 1, wherein the engaged portion is a cutout formed on an outer peripheral edge of the other of the external cover member and the internal cover member, and the other of the external cover member and the internal cover member further has a projection disposed near a tip of the claw engaged with the cutout.
8. The display device according to claim 1, wherein the display screen of the display unit is curved to have a recessed surface, and the base extends in the lateral width direction of the display unit while being curved along a rear surface of the display unit.
9. A stand for supporting a display unit having a display screen from below, the stand comprising: a base that extends in one direction and supports the display unit at a rear side of the display unit; a pair of legs that supports both longitudinal ends of the base from below respectively and extends in a direction crossing a longitudinal direction of the base; and a connection portion that connects an end of each of the pair of legs on a front side of the display unit to each other, wherein one longitudinal end of the connection portion is detachably fixed to the end of one of the pair of legs, and another longitudinal end of the connection portion is detachably fixed to the end of another one of the pair of legs, wherein the stand further comprises: an external cover member that covers the leg from outside of the stand; and an internal cover member that covers the leg from inside of the stand to interpose the leg between the internal cover member and the external cover member, wherein one of the external cover member and the internal cover member has a claw, and wherein the other of the external cover member and the internal cover member has an engaged portion with which the claw is engaged.
In the following description, XYZ axes will be used as needed. For the sake of convenience, in the exemplary embodiment, a direction parallel (substantially parallel) to the longitudinal direction of display device 2 is defined as the X axis, a direction parallel (substantially parallel) to a transverse direction of display device 2 is defined as the Z axis, and a direction orthogonal to both the X axis and the Z axis is defined as the Y axis. In addition, the perpendicular direction with respect to an XY plane, that is, the Z-axis direction is the direction of gravity, and in an ordinary use condition, display device 2 is supposed to be installed on installment plane 11 (see FIGS. 3 and 4) parallel (substantially parallel) to the XY plane. Further, the side facing a user (not illustrated) who views display device 2 is defined as a "front side", the side opposite to the front side is defined as a "rear side", the side relatively distant from installment plane 11 in the Z-axis direction is defined as a "top", and the side relatively close to installment plane 11 in the Z-axis direction is defined as a "bottom".
Liquid crystal panel 8 is mounted in housing 10. As illustrated in FIGS. 1 and 3, display screen 8a on which an image is to be displayed is formed on the front side of liquid crystal panel 8.
Housing 10 has front cabinet 10a and rear cabinet 10b. Front cabinet 10a is formed into a rectangular frame, and disposed to cover an outer peripheral portion of display screen 8a of liquid crystal panel 8. Rear cabinet 10b is disposed to cover the entire rear surface of liquid crystal panel 8, and connected to front cabinet 10a. Thus, display screen 8a of liquid crystal panel 8 is disposed on the front side of display unit 4 as illustrated in FIGS. 1 and 3.
In addition to liquid crystal panel 8 described above, a metal chassis (not illustrated) for supporting liquid crystal panel 8 is disposed in housing 10, for example. The chassis is fixed to the inner surface of rear cabinet 10b, and disposed on the rear side of display unit 4 along with rear cabinet 10b.
Stand 6 supports display unit 4 from below, and is installed on installment plane 11. As illustrated in FIG. 2, stand 6 penetrates rear cabinet 10b to be connected to the above-described chassis (that is, the rear side of display unit 4). In display device 2 according to the exemplary embodiment, the configuration of stand 6 has characteristic features. The configuration of stand 6 will be described later.
Leg 30 is fixed to one longitudinal end of base 28 with a pair of screws 36. Leg 30 includes main body part 30a, front-side protruding part 30b linearly protruding to the front side of display unit 4 from main body part 30a, and back-side protruding part 30c protruding to the rear side of display unit 4 from main body part 30a in substantially a triangular shape. An amount of protrusion of front-side protruding part 30b from main body part 30a is approximately twice an amount of protrusion of back-side protruding part 30c from main body part 30a.
Support portion 56 that is almost perpendicularly bent toward the inner side (toward base 28) is provided on an upper end of main body part 30a. Support portion 56 is provided to support one longitudinal end of base 28 from below. A pair of screw holes 58 into which screws 36 are screwed is formed on support portion 56. Since screws 36 are screwed into screw holes 58 through insertion holes 38 on base 28, leg 30 is fixed to one longitudinal end of base 28. Thus, leg 30 is disposed such that the direction substantially perpendicular to the longitudinal direction (X-axis direction) of base 28 (that is, the direction crossing the longitudinal direction of base 28, i.e., Y-axis direction) is defined as a longitudinal direction.
Screw hole 62 into which screw 60 is screwed is formed on a tip of front-side protruding part 30b. In addition, as illustrated in FIGS. 6 to 8, recess 64 is formed on the boundary between main body part 30a and front-side protruding part 30b on the outer peripheral edge of leg 30. As illustrated in FIG. 7, a plurality of anti-slip rubber feet 66 is attached on the lower surface (that is, the face facing installment plane 11 for stand 6) of leg 30 with a space therebetween in the longitudinal direction (Y-axis direction) of leg 30. That is, leg 30 is installed on installment plane 11 through the plurality of rubber feet 66.
As illustrated in FIGS. 6 and 7, leg 32 is fixed to the other longitudinal end of base 28 with a pair of screws 40. Leg 32 is bilaterally symmetrical to above-described leg 30 in shape. Specifically, leg 32 includes main body part 32a, front-side protruding part 32b linearly protruding to the front side of display unit 4 from main body part 32a, and back-side protruding part 32c protruding to the rear side of display unit 4 from main body part 32a in substantially a triangular shape. An amount of protrusion of front-side protruding part 32b from main body part 32a is approximately twice an amount of protrusion of back-side protruding part 32c from main body part 32a.
Support portion 68 that is formed to be almost perpendicularly bent toward the inner side (toward base 28) is provided on an upper end of main body part 32a. Support portion 68 is provided to support the other longitudinal end of base 28 from below. A pair of screw holes 70 into which screws 40 are screwed is formed on support portion 68. Since screws 40 are screwed into screw holes 70 through insertion holes 42 on base 28, leg 32 is fixed to the other longitudinal end of base 28. Thus, leg 32 is disposed such that the direction (Y-axis direction) substantially perpendicular to the longitudinal direction (X-axis direction) of base 28 is defined as a longitudinal direction.
Screw hole 74 into which screw 72 is screwed is formed on a tip of front-side protruding part 32b. In addition, as illustrated in FIGS. 6 and 7, recess 76 is formed on the boundary between main body part 32a and front-side protruding part 32b on the outer peripheral edge of leg 32. As illustrated in FIG. 7, a plurality of anti-slip rubber feet 78 is attached on the lower surface of leg 32 with a space therebetween in the longitudinal direction (Y-axis direction) of leg 32. That is, leg 32 is installed on installment plane 11 through the plurality of rubber feet 78.
As illustrated in FIG. 4, in the state in which stand 6 is connected to the rear side of display unit 4, each of the pair of legs 30, 32 is disposed to extend across lower edge 4a of display unit 4 in a front-rear direction (Y-axis direction). Specifically, front-side protruding parts 30b, 32b protrude toward the front side of display unit 4, while back-side protruding parts 30c, 32c protrude toward the back side of display unit 4.
As illustrated in FIGS. 6 and 7, connection portion 34 connects ends (tips of front-side protruding parts 30b, 32b) of the respective legs 30, 32 on the front side of display unit 4 to each other. Connection portion 34 is formed to linearly extend in the longitudinal direction that is the lateral width direction (X-axis direction) of display unit 4. Insertion hole 80 into which screw 60 is inserted is formed on one end of connection portion 34 in the longitudinal direction (X-axis direction). Since screw 60 is screwed into screw hole 62 on leg 30 through insertion hole 80, one longitudinal end of connection portion 34 is fixed to the tip of front-side protruding part 30b of leg 30. Further, insertion hole 82 into which screw 72 is inserted is formed on the other end of connection portion 34 in the longitudinal direction (X-axis direction). Since screw 72 is screwed into screw hole 74 on leg 32 through insertion hole 82, the other longitudinal end of connection portion 34 is fixed to the tip of front-side protruding part 32b of leg 32.
In the case where the size (inch) of display screen 8a is relatively large, the amount of protrusion of back-side protruding part 30c from main body part 30a may further be increased in order to more stably support display unit 4.
As illustrated in FIGS. 5 and 6, front-side cover member 14 is to decorate frame 12, and formed of resin, for example. Front-side cover member 14 includes main body part 14a linearly extending in the X-axis direction, and a pair of extension parts 14b, 14c extending substantially perpendicularly (in the Y-axis direction) from both longitudinal ends of main body part 14a.
Main body part 14a is disposed to cover connection portion 34 from outside of stand 6, and is fixed to connection portion 34 with, for example, a plurality of double-face adhesive tapes 84. Each of the pair of extension parts 14b, 14c is disposed to cover front-side protruding part 30b of leg 30 and front-side protruding part 32b of leg 32 from outside of stand 6.
Furthermore, claw 86 is formed at the tip of extension part 14b, and claw 88 is formed at the tip of extension part 14c. As illustrated in FIGS. 6 and 8, claw 86 is engaged with recess 64 on leg 30, and claw 88 is engaged with recess 76 on leg 32.
To fix front-side cover member 14 to frame 12, a pair of claws 86, 88 is firstly engaged with recess 64 on leg 30 and recess 76 on leg 32 respectively with main body part 14a being separated from the surface of connection portion 34. Then, main body part 14a is made close to the surface of connection portion 34, and is pressed onto the plurality of double-face adhesive tapes 84 attached on the surface of connection portion 34.
Furthermore, as illustrated in FIGS. 5 and 6, mirror surface 90 is formed on the surface of front-side cover member 14, specifically, on the surfaces of each of main body part 14a and the pair of extension parts 14b, 14c. Mirror surface 90 is indicated by a hatched region in FIG. 5. Mirror surface 90 is formed by, for example, thermally transferring a metal foil onto the surface of front-side cover member 14.
As illustrated in FIGS. 5, 6, and 9, first external cover member 16 is disposed to cover main body part 30a and back-side protruding part 30c of leg 30 from outside of stand 6 (from the side opposite to the side where base 28 is disposed). First internal cover member 18 is disposed to cover main body part 30a and back-side protruding part 30c of leg 30 from inside of stand 6 (from the side where base 28 is disposed). Specifically, first external cover member 16 and first internal cover member 18 are disposed to hold main body part 30a and back-side protruding part 30c of leg 30 from both sides.
As illustrated in FIGS. 5 and 6, second external cover member 20 is disposed to cover main body part 32a and back-side protruding part 32c of leg 32 from outside of stand 6 (from the side opposite to the side where base 28 is disposed). Second internal cover member 22 is disposed to cover main body part 32a and back-side protruding part 32c of leg 32 from inside of stand 6 (from the side where base 28 is disposed). Specifically, second external cover member 20 and second internal cover member 22 are disposed to hold main body part 32a and back-side protruding part 32c of leg 32 from both sides.
As illustrated in FIG. 10, a pair of claws 92, 94 extending toward first internal cover member 18, which is disposed on the opposite position across main body part 30a, is formed on the inner surface of first external cover member 16. The pair of claws 92, 94 is disposed with a space therebetween in the Y-axis direction. Bent part 16a bent toward first internal cover member 18, which is disposed on the opposite position across main body part 30a, is formed on the outer peripheral edge of first external cover member 16. A pair of claws 96, 98 is formed on the inner surface of bent part 16a. In addition, a pair of guide portions 100, 102 is formed on the inner surface of bent part 16a. The pair of guide portions 100, 102 extends in the Y-axis direction so as to face each other.
As illustrated in FIG. 9, a pair of substantially rectangular cutouts 104, 106 (one example of an engaged portion) is formed on the outer peripheral edge of first internal cover member 18. Cutout 104 has perpendicular part 104a extending in the Z-axis direction and horizontal part 104b extending in the Y-axis direction. Cutout 106 has perpendicular part 106a extending in the Z-axis direction and horizontal part 106b extending in the Y-axis direction. As illustrated in FIG. 11, the pair of guide portions 100, 102 on first external cover member 16, which is disposed on the opposite position across main body part 30a, is guided along a pair of horizontal parts 104b, 106b, respectively. Thus, first external cover member 16 is positioned with respect to first internal cover member 18. In addition, the pair of claws 92, 94 on first external cover member 16, which is disposed on the opposite position across main body part 30a, is engaged with a pair of perpendicular parts 104a, 106a, respectively.
A pair of engagement pieces 108, 110 extending toward first external cover member 16, which is disposed on the opposite position across main body part 30a, is further formed on the outer peripheral edge of first internal cover member 18. A pair of holes 112, 114 (one example of an engaged portion) is formed on the pair of engagement pieces 108, 110. The pair of claws 96, 98 on first external cover member 16, which is disposed on the opposite position across main body part 30a, is engaged with the pair of holes 112, 114, respectively.
Further, hook 116 extending toward first external cover member 16, which is disposed on the opposite position across main body part 30a, is formed on the outer peripheral edge of the lower end of first internal cover member 18. As illustrated in FIG. 9, hook 116 is engaged with recess 118 formed on the lower end of back-side protruding part 30c of leg 30.
As illustrated in FIGS. 9 and 11, a pair of projections 120, 122 is formed on the outer surface (that is, the surface on the opposite side of first external cover member 16) of first internal cover member 18. The pair of projections 120, 122 is formed near the pair of perpendicular parts 104a, 106a, respectively. Specifically, projection 120 is disposed near claw 92 engaged with perpendicular part 104a, and projection 122 is disposed near claw 94 engaged with perpendicular part 106a.
As illustrated in FIGS. 5 and 12, a pair of insertion holes 124 into which screws 44 are inserted is formed on one side 24a of connection fitting 24. A pair of insertion holes 126 into which screws 136 are inserted is formed on the other side 24b of connection fitting 24. Other side 24b of connection fitting 24 is also provided with hook 128 that protrudes downward.
As illustrated in FIGS. 5 and 12, a pair of insertion holes 130 into which screws 50 are inserted is formed on one side 26a of connection fitting 26. A pair of insertion holes 132 into which screws 138 are inserted is formed on the other side 26b of connection fitting 26. Other side 26b of connection fitting 26 is also provided with hook 134 that protrudes downward.
As illustrated in FIG. 5, screws 136 are screwed into the chassis of display unit 4 (not illustrated in FIG. 5) through insertion holes 126 of connection fitting 24, and screws 138 are screwed into the chassis of display unit 4 through insertion holes 132 of connection fitting 26. Thus, base 28 and the rear side of display unit 4 are connected to each other with the pair of connection fittings 24, 26. Specifically, the rear side of display unit 4 is supported by base 28 through the pair of connection fittings 24 and 26, whereby display unit 4 is supported on base 28. Note that, as illustrated in FIG. 2, each of other side 24b of connection fitting 24 and other side 26b of connection fitting 26 is covered by a part of rear cabinet 10b.
Note that, display device 2 is one example of the display device. Display screen 8a is one example of the display screen. Display unit 4 is one example of the display unit. Stand 6 is one example of the stand. Base 28 is one example of the base. Lower edge 4a is one example of the lower edge. The pair of legs 30, 32 is one example of the pair of legs.
For example, in the configuration example of display device 2 described in the first exemplary embodiment, display device 2 includes display unit 4 provided with display screen 8a on a front side, and stand 6 that supports display unit 4 from below. Stand 6 includes base 28 which supports display unit 4 at the rear side of display unit 4 and extends in the lateral width direction of display unit 4, and the pair of legs 30, 32 which supports both longitudinal ends of base 28 from below respectively and extends across lower edge 4a of display unit 4 in the front-rear direction.
In addition, stand 6 described in the first exemplary embodiment is to support display unit 4 having display screen 8a from below. Stand 6 includes base 28 which extends in one direction (the lateral width direction of display unit 4, X-axis direction) and supports display unit 4 at the rear side of display unit 4, and the pair of legs 30, 32 which supports both longitudinal ends of base 28 from below respectively and extends in the direction crossing the longitudinal direction of base 28.
With this configuration, if base 28 with a length corresponding to the size of display screen 8a is prepared in manufacturing display device 2, a part of display device 2 can be manufactured by fixing the pair of legs 30, 32 to both longitudinal ends of base 28 respectively. Thus, in assembling stand 6, some components (the pair of legs 30, 32) of stand 6 can be commonly used for manufacturing display devices 2 having display screens 8a of different sizes, whereby display devices 2 can be manufactured more efficiently.
Specifically, base 28A is provided with a pair of fixing portions 43a, 49a (one example of a pair of first fixing portions) and a pair of fixing portions 43b, 49b (one example of a pair of second fixing portions).
In that point, base 28A is different from base 28 having only the pair of fixing portions 43, 49. However, except for this point, stand 6A is substantially the same as stand 6. Therefore, the components substantially the same as the components of base 28 are identified by the same reference numerals, and the description thereof will be omitted. In addition, fixing portions 43a, 43b are substantially the same as fixing portion 43 described in the first exemplary embodiment, and fixing portions 49a, 49b are substantially the same as fixing portion 49 described in the first exemplary embodiment.
As illustrated in FIG. 13, in stand 6A, arrangement interval W2 between a pair of fixing portions 43b, 49b is smaller than arrangement interval W1 between a pair of fixing portions 43a, 49a.
In the case where the size of display screen 8a (see FIG. 1) is relatively large (for example, 50 inches), the pair of connection fittings 24, 26 (see FIG. 5) is fixed to the pair of fixing portions 43a, 49a, respectively. In the case where the size of display screen 8a is relatively small (for example, 40 inches), the pair of connection fittings 24, 26 is fixed to the pair of fixing portions 43b, 49b, respectively.
Note that stand 6A is one example of the stand. Base 28A is one example of the base. The pair of connection fittings 24, 26 is one example of the pair of connection members. The pair of fixing portions 43a, 49a is one example of the pair of first fixing portions. The pair of fixing portions 43b, 49b is one example of the pair of second fixing portions. Arrangement interval W1 is one example of the arrangement interval between the pair of first fixing portions. Arrangement interval W2 is one example of the arrangement interval between the pair of second fixing portions. Display screen 8a is one example of the display screen. The 50-inch size described as one example of the size of display screen 8a is one example of the first size, and the 40-inch size described as one example of the size of display screen 8a is one example of the second size.
For example, in the configuration example of stand 6A described in the first modification example, stand 6A includes base 28A. Base 28A includes the pair of fixing portions 43a, 49a and the pair of fixing portions 43b, 49b that are for fixing the pair of connection fittings 24, 26. Arrangement interval W2 between the pair of fixing portions 43b, 49b is smaller than arrangement interval W1 between the pair of fixing portions 43a, 49a. In a case where display screen 8a has a first size (for example, 50 inches), the pair of connection fittings 24, 26 is respectively fixed to the pair of fixing portions 43a, 49a. In a case where display screen 8a has a second size (for example, 40 inches) smaller than the first size, the pair of connection fittings 24, 26 is respectively fixed to the pair of fixing portions 43b, 49b.
With this configuration, the fixing positions of the pair of connection fittings 24, 26 of stand 6A to base 28A can be changed respectively according to the size of display screen 8a. Thus, stand 6A can more stably support display unit 4 (see FIG. 1).
Specifically, display unit 4C is entirely formed into a curved rectangular panel such that display screen 8a of liquid crystal panel 8C has a concave surface. According to this, housing 10C is formed into a curved rectangular frame. Note that display device 2C may be an organic EL television receiver with a curved panel display.
Note that display device 2C is one example of the display device. Display unit 4C is one example of the display unit. Display screen 8a is one example of the display screen. Base 28C is one example of the base.
For example, in the configuration example of display device 2C described in the third modification example, display device 2C has display unit 4C. Display unit 4C is curved such that display screen 8a has a concave surface. Base 28C extends in the lateral width direction of display unit 4C while being curved along the rear surface of display unit 4C.
2, 2C: display device 4, 4C: display unit 4a: lower edge 6, 6A, 6B, 6C: stand 8, 8C: liquid crystal panel 8a: display screen 10, 10C: housing 10a: front cabinet 10b: rear cabinet 11: installment plane 12, 12A, 12B, 12C: frame 14, 14B, 14C: front-side cover member 14a, 14Ca: main body part 14b, 14c: extension part 16, 16B: first external cover member 18, 18B: first internal cover member 20, 20B: second external cover member 22, 22B: second internal cover member 24, 26, 140: connection fitting 24a, 26a: one side 24b, 26b: other side 28, 28A, 28C: base 30, 30B, 32, 32B: leg 30a, 30Ba, 32a, 32Ba: main body part 30b, 30Bb, 32b, 32Bb: front-side protruding part 30c, 32c: back-side protruding part 34, 34C: connection portion 36, 40, 44, 50, 60, 72, 136, 138: screw 38, 42, 80, 82, 124, 126, 130, 132: insertion hole 43, 43a, 43b, 49, 49a, 49b: fixing portion 46, 52, 58, 62, 70, 74: screw hole 48, 54: through-hole 56, 68: support portion 64, 76, 118: recess 66, 78: rubber foot 84: double-face adhesive tape 86, 88: claw 90: mirror surface 92, 94, 96, 98: claw 100, 102: guide portion 104, 106: cutout 104a, 106a: perpendicular part 104b, 106b: horizontal part 108, 110: engagement piece 112, 114: hole 116, 128, 134: hook 120, 122: projection
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