JPH068692B2 - Coat - Google Patents

Coat

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Publication number
JPH068692B2
JPH068692B2 JP62128756A JP12875687A JPH068692B2 JP H068692 B2 JPH068692 B2 JP H068692B2 JP 62128756 A JP62128756 A JP 62128756A JP 12875687 A JP12875687 A JP 12875687A JP H068692 B2 JPH068692 B2 JP H068692B2
Authority
JP
Japan
Prior art keywords
leg
fixed
piece
lock
fixed leg
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP62128756A
Other languages
Japanese (ja)
Other versions
JPS63294422A (en
Inventor
隆夫 岸本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Original Assignee
Tottori Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
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.)
Filing date
Publication date
Application filed by Tottori Sanyo Electric Co Ltd, Sanyo Denki Co Ltd filed Critical Tottori Sanyo Electric Co Ltd
Priority to JP62128756A priority Critical patent/JPH068692B2/en
Publication of JPS63294422A publication Critical patent/JPS63294422A/en
Publication of JPH068692B2 publication Critical patent/JPH068692B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】 (イ) 産業上の利用分野 本発明は脚体を折畳み自在としたコタツに関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a kotatsu whose legs are foldable.

従来における脚体折畳み機構は、例えば実公昭49−3
3924号公報にも開示されている如くロック手段とな
る操作杆は脚体の側面部に露呈して設けられており、不
用意に操作杆が解除され脚体が折畳まれてしまうという
欠点があった。
A conventional leg folding mechanism is disclosed in, for example, Jitsuko Sho 49-3.
As disclosed in Japanese Patent No. 3924, the operating rod that serves as the locking means is provided so as to be exposed on the side surface portion of the leg body, and the operating rod is inadvertently released and the leg body is folded. there were.

(ハ) 発明が解決しようとする問題点 本発明は、折畳み自在な脚体のロックを確実とするとと
もに使用中に不用意にロックが解除されて折畳まれない
ようにしたコタツを提供するものである。
(C) Problems to be Solved by the Invention The present invention provides a kotatsu that ensures the locking of a foldable leg and prevents the lock from being inadvertently unlocked during use. Is.

(ニ) 問題点を解決するための手段 本発明は枠形に組み合わせた枠体の隅角部に脚体を固定
し、これら脚体の上面部にコタツ布団あるいはテーブル
板を載置するコタツにおいて、前記脚体は枠体に固定し
た下面開口の固定脚と上部が下面開口から前記固定脚内
に挿脱され軸を介して折畳み自在な支持脚と、前記支持
脚に設けられスプリングにより上方に附勢されたロック
金具と前記固定脚に設けられ前記ロック金具と係合して
支持脚と前記固定脚とを直立して保持する係合片とを備
え、前記固定脚の上面部に設けられ前記ロック金具と対
向したロック解除操作釦を設けたものである。
(D) Means for Solving Problems The present invention provides a kotatsu in which legs are fixed to the corners of a frame body combined in a frame shape, and a kotatsu bedding or a table board is placed on the upper surface of the legs. The leg is a fixed leg having a lower surface opening fixed to the frame body, a support leg having an upper portion inserted into and removed from the lower surface opening into the fixed leg, and foldable via an axis, and a spring provided on the support leg to move upward. An energizing lock fitting and an engaging piece provided on the fixed leg for engaging the lock fitting to hold the support leg and the fixed leg upright are provided on the upper surface of the fixed leg. A lock release operation button facing the lock fitting is provided.

(ホ) 作用 本発明はかかる構成を有しているため、支持脚の上面部
が固定脚の内部に挿入され、且つスプリングによってロ
ック金具が係合片に係合して固定脚と支持脚とを確実に
直立状態に保持し、しかもロック手段はテーブル板やコ
タツ布団を載置する固定脚の上面に設けたために使用者
がうっかりロック解除釦を操作して係合片との係合を解
除することがない。また、使用者の意思によるロック解
除操作釦の操作時はロック金具を簡単に降下させること
ができる。
(E) Action Since the present invention has such a configuration, the upper surface portion of the support leg is inserted into the fixed leg, and the lock metal fitting engages the engaging piece by the spring, so that the fixed leg and the support leg are formed. Is securely held in the upright state, and the locking means is provided on the upper surface of the fixed leg on which the table plate or kotatsu comforter is placed, so the user inadvertently operates the lock release button to release the engagement with the engagement piece. There is nothing to do. Further, the lock fitting can be easily lowered when the lock release operation button is operated by the user's intention.

(ヘ) 実施例 (1)は4本の枠木(2)(2)(2)(2)を隅金具
(3)を介して枠形に組み合わせた枠体で、その隅角部
に脚(4)(4)(4)(4)を取り付けている。前記
枠体(1)には桟(5)を懸架し且つ中心部に加熱用の
ヒータユニット(6)を配設している。このヒータユニ
ット(6)には電源供給用のコード(7)を着脱してい
る。又、枠体(1)と脚体(4)との上面部にはコタツ
布団(K)あるいはテーブル板(T)を着脱する様にし
ている。前記隅金具(3)の両側は枠木(2)(2)の
溝(2a)に係合してネジ(8)で固定される差込片
(3a)(3a)を形成し、上下に長尺状の鍔片(3
b)(3b)を形成し、下の鍔片(3b)には一対の挿
入穴(3c)(3c)を穿設するとともに中心部にネジ
穴(3d)を穿設している。
(F) Example (1) is a frame body in which four frame trees (2), (2), (2) and (2) are combined in a frame shape through a corner metal fitting (3), and legs are provided at the corners. (4) (4) (4) (4) is attached. A crosspiece (5) is suspended on the frame body (1), and a heater unit (6) for heating is arranged at the center. A power supply cord (7) is attached to and detached from the heater unit (6). Further, a kotatsu blanket (K) or a table plate (T) is attached to and detached from the upper surfaces of the frame body (1) and the leg body (4). Both sides of the corner metal fitting (3) form insertion pieces (3a) (3a) which are engaged with the grooves (2a) of the frame (2) (2) and fixed by the screws (8), and which are vertically arranged. Long flange piece (3
b) (3b) is formed, and a pair of insertion holes (3c) (3c) is formed in the lower flange piece (3b), and a screw hole (3d) is formed in the center.

前記脚体(4)は下面開口の中空状の固定脚(4a)
と、この固定脚(4a)の下面部に回動自在に設けられ
ている支持脚(4b)とで構成されている。前記固定脚
(4a)は前記鍔片(3b)を載置する一対の段部(1
0)(10)と、この段部(10)(10)の間に形成
される切欠部(11)と、上面に形成される長方形状の
長孔(12)と、前記ネジ穴(3d)と相対向する挿入
穴(13)とを形成している。(14)は前記固定脚
(4a)の内面壁に固定される脚取付金具で、略中心部
に肉厚とした前記挿入穴(13)と対向する螺合穴(1
4a)を形成し、両側壁には固定脚(4a)の内壁に形
成した挿入溝(15)(15)に挿入係合される挿入片
(14b)(14b)を形成し、上面には前記長孔(1
2)と対向する切欠開口(14c)を形成する一対の係
合片(14d)(14d)を下方へ折曲形成し、下部に
は前記切欠部(11)に位置して前記隅金具(3)の鍔
片(3b)を載置する載置片(14e)を形成してい
る。前記載置片(14e)の両側には一対の対向する取
付片(14f)(14f)を形成するとともにこれに軸
穴(14g)を形成し且つ載置片(14e)の他側には
前記挿入穴(3c)(3c)に挿入係合される係合爪
(14h)(14h)を形成している。(18)は長孔
(12)に配設されるロック解除操作釦で、下部両側後
端に前記長孔(12)の開口縁に形成した凹部形の軸支
部(20)(20)に係止する係止突起(21)(2
1)と、前記長孔(12)からの抜け止め用の抜け止め
突片(22)(22)と、下部前端に形成された押圧片
(23)とを夫々形成している。前記ロック解除操作釦
(18)の上面は前記長孔(12)の開口部よりも低く
なる様にして全体としてはみ出ないように、前記固定脚
(4a)の上面よりも少許没するようにしている。(2
5)は弾力性を有する板バネで、前記釦(18)の下面
からネジ(26)で前記固定脚(4a)の上部内面に固
定され、常時釦(18)を水平位置に保持するようにし
ている。
The leg body (4) is a hollow fixed leg (4a) having a lower surface opening.
And a supporting leg (4b) rotatably provided on the lower surface of the fixed leg (4a). The fixed leg (4a) has a pair of step portions (1) on which the flange piece (3b) is placed.
0) (10), a notch (11) formed between the stepped portions (10) (10), a rectangular long hole (12) formed on the upper surface, and the screw hole (3d). And an insertion hole (13) facing each other are formed. Reference numeral (14) denotes a leg mounting metal fitting fixed to an inner wall of the fixed leg (4a), which has a screw hole (1) facing the insertion hole (13) having a substantially central wall thickness.
4a), and on both side walls are formed insertion pieces (14b) (14b) which are inserted and engaged with the insertion grooves (15) (15) formed on the inner wall of the fixed leg (4a), and the upper surface thereof is Long hole (1
2) a pair of engaging pieces (14d) (14d) forming a notch opening (14c) facing each other are bent downward, and the corner fitting (3) is located at the lower part at the notch (11). The mounting piece (14e) for mounting the collar piece (3b) of FIG. A pair of opposing mounting pieces (14f) (14f) are formed on both sides of the mounting piece (14e), a shaft hole (14g) is formed in the mounting piece (14f), and the other side of the mounting piece (14e) is Engaging claws (14h) (14h) that are inserted and engaged in the insertion holes (3c) (3c) are formed. Reference numeral (18) is an unlocking operation button provided in the elongated hole (12), which is engaged with a recessed shaft supporting portion (20) (20) formed at an opening edge of the elongated hole (12) at rear ends on both lower sides. Locking protrusions (21) (2)
1), a retaining piece (22) (22) for retaining from the elongated hole (12), and a pressing piece (23) formed at the lower front end, respectively. The upper surface of the unlocking operation button (18) is lower than the opening portion of the long hole (12) so that it does not protrude as a whole, and the lock release operation button (18) is slightly less than the upper surface of the fixed leg (4a). There is. (2
5) is an elastic leaf spring, which is fixed from the lower surface of the button (18) to the upper inner surface of the fixed leg (4a) with a screw (26) so that the button (18) is always held in a horizontal position. ing.

前記支持脚(4b)は中空状となし前記固定脚(4a)
の内部に下部開口から回動して挿脱自在に配設される第
1挿入部(28)と脚となる長尺状の脚部(29)とか
ら構成されている。前記第1挿入部(28)の上面から
側面に亘って長孔切欠部(30)を開設し且つ両側に挿
通孔(31)(31)を穿設するとともに曲面(32)
を形成している。(33)は前記第1挿入部(28)内
に挿入配設される第2挿入部で、前記曲面(32)と略
相似形となる曲面(34)を形成しネジ(35)(3
5)で第1挿入部(28)のネジ穴(41)(41)と
第2挿入部(33)のネジ穴(37)(37)を介して
固定される。そしてこの第2挿入部(33)には一対の
上下方向の案内片(33a)(33a)とこの案内片
(33a)(33a)で形成される案内空間(34)を
形成し且つこの案内空間(34)の底面部には係合ピン
(40)を突設している。(36)は脚部(29)の下
面部を覆う脚蓋である。
The support leg (4b) is not hollow and the fixed leg (4a)
It is composed of a first insertion portion (28) which is pivotably inserted from the lower opening into the inside of the container (28) and an elongated leg portion (29) which serves as a leg. The long hole notch (30) is opened from the upper surface to the side surface of the first insertion portion (28), the insertion holes (31) and (31) are formed on both sides, and the curved surface (32) is formed.
Is formed. Reference numeral (33) is a second insertion portion that is inserted and arranged in the first insertion portion (28), and forms a curved surface (34) that is substantially similar to the curved surface (32) and screws (35) (3).
5) It is fixed through the screw holes (41) (41) of the first insertion part (28) and the screw holes (37) (37) of the second insertion part (33). A pair of vertical guide pieces (33a) (33a) and a guide space (34) formed by the guide pieces (33a) (33a) are formed in the second insertion portion (33), and the guide space is formed. An engaging pin (40) is provided on the bottom surface of (34) in a protruding manner. (36) is a leg lid that covers the lower surface of the leg (29).

(43)は前記第1挿入部(28)と第2挿入部(3
3)との間に配設される脚固定金具で、前記挿通孔(3
1)(31)から前記固定脚(4a)内に突設する固定
片(44)(44)と、前記案内片(33a)(33
a)の外側に配置される折曲片(45)(45)と、前
記長孔切欠部(30)の開口縁に係止する第1突片(4
6)(46)と、この第1突片(46)(46)と反対
方向に折曲形成した第2突片(47)(47)を形成し
ている。前記固定片(44)(44)には長軸(48)
とネジ(49)を介して前記取付片(14f)(14
f)に軸支される軸穴(50)(50)を穿設してい
る。
(43) is the first insertion part (28) and the second insertion part (3)
3) With a leg fixing metal fitting arranged between the insertion hole (3)
1) Fixing pieces (44) (44) protruding from the (31) into the fixing leg (4a), and the guide pieces (33a) (33).
The bent pieces (45) (45) arranged on the outer side of (a) and the first projecting piece (4) which is locked to the opening edge of the slotted notch (30).
6) and (46), and the second protrusions (47) and (47) are formed by bending the first protrusions (46) and (46) in the opposite direction. The fixing piece (44) (44) has a long axis (48)
And the mounting piece (14f) (14
The shaft hole (50) (50) pivotally supported by f) is bored.

(51)は前記脚固定金具(43)と前記案内空間(3
4)との間に上下移動自在に配設されるロック金具で、
前記長孔切欠部(30)を介して前記釦(18)と対向
する折曲した係止折曲片(51a)と、前記第2突片
(47)(47)の下端に係止されて上方への抜け止め
とすると抜止突起(53)(53)と、スプリング係止
片(54)とを形成している。前記係止折曲片(51
a)には脚取付金具(14)の前記係止片(14d)
(14d)に係合される係合切欠(60)(60)を形
成している。前記スプリング係止片(54)と係合ピン
(40)との間には常時ロック金具(51)を上方へ附
勢するスプリング(61)を張架している。(63)は
固定脚(4a)を脚取付金具(14)を介して隅金具
(3)に固定するボルトである。
(51) is the leg fixing bracket (43) and the guide space (3
4) With a lock fitting that is vertically movable between
It is locked to the bent locking bent piece (51a) facing the button (18) through the slotted hole (30) and the lower ends of the second projecting pieces (47) (47). To prevent upward disengagement, a retaining protrusion (53) (53) and a spring locking piece (54) are formed. The locking bent piece (51
The locking piece (14d) of the leg mounting bracket (14) is shown in a).
The engagement notch (60) (60) engaged with (14d) is formed. A spring (61) for constantly urging the lock fitting (51) upward is stretched between the spring locking piece (54) and the engagement pin (40). Reference numeral (63) is a bolt for fixing the fixed leg (4a) to the corner metal fitting (3) via the leg mounting metal fitting (14).

斯る構成により、脚体(4)を直立状態にする場合は支
持脚(4b)を回動して第1挿入部(28)を前記固定
脚(4a)の下部開口から挿入すると、ロック金具(5
1)の上端が係合片(14d)(14d)に当たり、さ
らに支持脚(4b)を回動するとロック金具(51)が
スプリング(61)に抗して下降し、やがてロック金具
(51)の係合切欠(60)(60)が係合片(14
d)(14d)を飛び越えると該係合片(14d)(1
4d)に係合して支持脚(4b)と固定脚(4a)とが
起立状態となる。
With this configuration, when the leg body (4) is placed in the upright state, the support leg (4b) is rotated to insert the first insertion portion (28) through the lower opening of the fixed leg (4a). (5
The upper end of 1) hits the engaging pieces (14d) (14d), and when the support leg (4b) is further rotated, the lock fitting (51) descends against the spring (61), and eventually the lock fitting (51) of the lock fitting (51). The engagement cutouts (60) (60) have engagement pieces (14).
d) When jumping over (14d), the engaging pieces (14d) (1
4d) and the supporting leg (4b) and the fixed leg (4a) are erected.

また、支持脚(4b)を折畳む場合はロック解除操作釦
(18)を上から押圧してスプリング(61)に抗して
ロック金具(51)を押圧片(23)で押し下げて係合
片(14d)(14d)と係合切欠(60)(60)の
係合を解除した状態で支持脚(4b)を回動する。そし
て、支持脚(4b)の上部が固定部(4a)に挿入係合
されているため、その挿入部では互いに重なり合って補
強が向上し、且つ支持脚(4b)と固定脚(4a)の係
合片(14d)とのロックと、その解除は支持脚(4
b)の上面部で行なう構成としているため、通常使用時
においては使用者が誤ってロック部分に触れて解除する
ということはなくなる。
When the support leg (4b) is folded, the lock release operation button (18) is pressed from above and the lock fitting (51) is pressed down by the pressing piece (23) against the spring (61) to engage the engaging piece. (14d) The support leg (4b) is rotated with the engagement notches (60, 60) disengaged. Since the upper portion of the support leg (4b) is inserted and engaged with the fixed portion (4a), the insertion portion overlaps with each other to improve the reinforcement and the engagement between the support leg (4b) and the fixed leg (4a). The lock with the joint piece (14d) and its release are done by the support leg (4
Since the structure is performed on the upper surface of b), the user does not accidentally touch and release the lock portion during normal use.

すなわち、この部分がテーブル板(T)やコタツ布団
(K)で覆われているためである。
That is, this part is covered with the table plate (T) and the kotatsu futon (K).

(ト) 発明の効果 以上の様に本発明は、固定脚と支持脚の直立時におい
て、脚体の上部が支持脚と固定脚との二重構造で補強さ
れ且つロック解除操作釦が固定脚の上面部に設けられて
いるため、通常の使用時にうっかりロック解除操作釦を
押圧操作して係合を解除し不意に脚体を折畳んでしまう
といったことがない。そして、ロック金具はスプリング
により上方に附勢されているため脚体の直立時にはロッ
ク金具と係合片との係合が確実となり脚体のガタツキや
不用意なロック解除がない。
(G) Effect of the Invention As described above, according to the present invention, when the fixed leg and the support leg are upright, the upper part of the leg is reinforced by the dual structure of the support leg and the fixed leg, and the lock release operation button is fixed. Since it is provided on the upper surface of the device, there is no possibility of accidentally pressing the lock release operation button to release the engagement and inadvertently fold the legs during normal use. Since the lock fitting is biased upward by the spring, the lock fitting and the engaging piece are securely engaged with each other when the leg is upright, and there is no rattling of the leg or inadvertent unlocking.

また、脚体を折り畳むために使用者の意思でロック解除
操作釦を押し下げた場合には、ロック金具を同じ押し下
げ方向移動させて係合片との係合を解除するため、ロッ
ク金具を無理なく降下させて係合を解除することができ
る。
Also, when the lock release operation button is pushed down by the user's intention to fold the legs, the lock metal fittings are moved in the same pushing direction to release the engagement with the engaging pieces, so that the lock metal fittings can be comfortably operated. It can be lowered to disengage.

【図面の簡単な説明】[Brief description of drawings]

第1図は本発明コタツの斜視図、第2図は第1図の要部
拡大断面図、第3図は脚体を折り畳む途中の動作説明
図、第4図は脚体を折り畳んだ時の動作説明図、第5図
は第2図の横断面図、第6図は要部分解斜視図、第7図
はテーブル板を使用したときの要部断面図、第8図はテ
ーブル板とコタツ布団を使用したときの要部断面図、第
9図は操作釦を押圧してロック金具を降下せしめ、係合
片と係合切欠との係合を解除したときの要部断面図であ
る。 (4)…脚体 (4a)…固定脚 (4b)…支持脚
(14d)(14d)…係合片 (18)…ロック解除
操作釦 (51)…ロック金具 (61)…スプリング
FIG. 1 is a perspective view of the kotatsu of the present invention, FIG. 2 is an enlarged cross-sectional view of an essential part of FIG. 1, FIG. 3 is an operation explanatory view during folding of a leg, and FIG. 4 is a view when the leg is folded. FIG. 5 is a transverse sectional view of FIG. 2, FIG. 6 is an exploded perspective view of an essential part, FIG. 7 is a sectional view of an essential part when a table board is used, and FIG. 8 is a table board and kotatsu. FIG. 9 is a cross-sectional view of an essential part when a futon is used, and FIG. 9 is a cross-sectional view of an essential part when the operation button is pressed to lower the lock fitting and the engagement between the engagement piece and the engagement notch is released. (4) ... Legs (4a) ... Fixed legs (4b) ... Support legs
(14d) (14d) ... Engaging piece (18) ... Lock release operation button (51) ... Lock metal fitting (61) ... Spring

フロントページの続き (56)参考文献 実公 昭49−33924(JP,Y1) 実公 昭57−41519(JP,Y2) 実公 昭59−38902(JP,Y2)Continuation of the front page (56) References Actual public Sho 49-33924 (JP, Y1) Actual public Sho 57-41519 (JP, Y2) Actual public Sho 59-38902 (JP, Y2)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】枠形に組み合わせた枠体の隅角部に脚体を
固定し、これら脚体の上面部にコタツ布団あるいはテー
ブル板を載置するコタツにおいて、前記脚体は枠体に固
定した下面開口の固定脚と上部が下面開口から前記固定
脚内に挿脱され軸を介して折畳み自在な支持脚と、前記
支持脚に設けられスプリングにより上方へ附勢されたロ
ック金具と、前記固定脚に設けられ前記ロック金具と係
合して支持脚と前記固定脚とを直立して保持する係合片
とを備え、前記固定脚の上面部に設けられ前記ロック金
具と対向したロック解除操作釦とを有することを特徴と
したコタツ。
1. In a kotatsu in which legs are fixed to the corners of a frame body combined in a frame shape, and a kotatsu bedding or a table plate is placed on the upper surface of the legs, the legs are fixed to the frame body. A fixed leg and an upper part of the lower surface opening, which are inserted into and removed from the lower surface opening in the fixed leg and are foldable via an axis; a lock fitting provided on the supporting leg and urged upward by a spring; An unlocking member that is provided on a fixed leg and that includes a support leg and an engaging piece that holds the fixed leg in an upright position by engaging with the lock fitting and that is provided on the upper surface of the fixed leg and that faces the lock fitting. Kotatsu featuring an operation button.
JP62128756A 1987-05-26 1987-05-26 Coat Expired - Lifetime JPH068692B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62128756A JPH068692B2 (en) 1987-05-26 1987-05-26 Coat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62128756A JPH068692B2 (en) 1987-05-26 1987-05-26 Coat

Related Child Applications (3)

Application Number Title Priority Date Filing Date
JP1280262A Division JPH0689899B2 (en) 1989-10-26 1989-10-26 Leg folding kotatsu
JP3120268A Division JP2725905B2 (en) 1991-05-24 1991-05-24 Frame leg device
JP3120269A Division JP2632094B2 (en) 1991-05-24 1991-05-24 Frame leg device

Publications (2)

Publication Number Publication Date
JPS63294422A JPS63294422A (en) 1988-12-01
JPH068692B2 true JPH068692B2 (en) 1994-02-02

Family

ID=14992688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62128756A Expired - Lifetime JPH068692B2 (en) 1987-05-26 1987-05-26 Coat

Country Status (1)

Country Link
JP (1) JPH068692B2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933924U (en) * 1972-06-26 1974-03-25
JPS5741519U (en) * 1980-08-22 1982-03-06
JPS5938902U (en) * 1982-09-03 1984-03-12 株式会社ヨシダ Dental plaque detection mirror

Also Published As

Publication number Publication date
JPS63294422A (en) 1988-12-01

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