JPS60190911A - Ceiling receiving bed and power accumulator mounted ceiling receiving bed - Google Patents

Ceiling receiving bed and power accumulator mounted ceiling receiving bed

Info

Publication number
JPS60190911A
JPS60190911A JP59047809A JP4780984A JPS60190911A JP S60190911 A JPS60190911 A JP S60190911A JP 59047809 A JP59047809 A JP 59047809A JP 4780984 A JP4780984 A JP 4780984A JP S60190911 A JPS60190911 A JP S60190911A
Authority
JP
Japan
Prior art keywords
bed
ceiling
winding drum
storage device
power storage
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.)
Pending
Application number
JP59047809A
Other languages
Japanese (ja)
Inventor
利治 川西
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP59047809A priority Critical patent/JPS60190911A/en
Publication of JPS60190911A publication Critical patent/JPS60190911A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/84Suspended beds, e.g. suspended from ceiling

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 (発明の概要) この発明は寝台本体(1)の空間(1−イ)に寝具類を
内設したまま駆動索(3)によってつり下げられた状態
に支持し昇降装置(A)の操作によって昇降させ天井下
までつり上げて収納する天井収納寝台に関するものを特
定発明とし、この天井収納寝台に蓄力装置(C)を装備
して寝台本体(1)の重量をつり合い索(70)によっ
てバランスさせ駆動索(3)の負担荷重を軽減しあ蓄力
装置を装備した天井収納寝台に関するものを併合発明と
した。
Detailed Description of the Invention (Summary of the Invention) This invention provides a method for raising and lowering the bed by suspending it from a driving cable (3) while keeping bedding inside the space (1-a) of the bed body (1). The specified invention relates to a ceiling storage bed that can be raised and lowered by operating a device (A) and lifted up to below the ceiling for storage, and this ceiling storage bed is equipped with a power storage device (C) to balance the weight of the bed body (1). The combined invention relates to a ceiling storage bed equipped with a power storage device that reduces the load on the drive cable (3) by balancing it with the cable (70).

(従来の技術) 洋式寝台または和式寝具を収納するためにはかなり大き
い収納スペースと労力を必要としている現状である。
(Prior Art) Currently, storing Western-style beds or Japanese-style bedclothes requires a fairly large storage space and a lot of effort.

洋式寝台については、「ソファー兼用ベッド」や「収納
ベッド」(公開と特許公報昭54−115960)があ
るが「ソファー兼用ベッド」は兼用にセット替えする労
力が必要なことや寝具類お収納になお相当な大きさのス
ペースと労力を必要とする欠点や、ソファーに兼用とい
う単一機能では寝室の多目的用途に兼用する面において
も制約を受ける等の欠点がある。また、「収納ベッド」
は壁面に格納スペースの必要なことや寝具類の収納にな
おスペースと労力を必要とする欠点がある。
Regarding Western-style beds, there are ``sofa beds'' and ``storage beds'' (Publication and Patent Publication 115960/1983), but ``sofa beds'' require effort to set up for dual use and are difficult to store bedding. However, it has disadvantages such as requiring a considerable amount of space and labor, and its single function of serving as a sofa also limits its ability to be used for multiple purposes in the bedroom. In addition, "storage bed"
However, there are disadvantages in that it requires storage space on the wall and that it requires additional space and effort to store bedding.

和式寝具については、自動収納装置は未開発で見当らな
い。一方、和式寝具の利用者は圧倒的に多くしかも小形
住宅の普及によっていわゆるアパートや文化住宅、マン
ションが多量に建設されているが、寝具類の収納場所で
ある押入れのスペースが小さくなってゆく傾向にあり、
毎朝毎晩の寝具類の出し入れが困難でこれらに要する労
力も大きく毎日欠かすことのできない作業であるためそ
の累積労力は極めて大きいものとなつている。
Automatic storage devices for Japanese-style bedding have not yet been developed and cannot be found. On the other hand, the number of users of Japanese-style bedding is overwhelmingly large, and with the spread of small-sized housing, a large number of so-called apartments, cultural residences, and condominiums are being built, but the closet space where bedding is stored is becoming smaller. There is a trend,
It is difficult to put in and take out bedding every morning and night, and the amount of effort required to do this is great, and since it is an essential task every day, the cumulative effort involved is extremely large.

(発明の目的) この発明の目的は、従来の洋式寝台の収納方法の欠点を
解消し寝台本体(1)の空間(1−4)に洋式寝具を内
設装備して洋式寝台として、また、和式寝具を内設装備
して和式寝台として容易に天井下に収納できる天井収納
寝台を提供することにある。
(Object of the Invention) The object of the present invention is to solve the drawbacks of the conventional method of storing a Western-style bed, and to provide a Western-style bed by internally equipping the space (1-4) of the bed body (1) with Western-style bedding. To provide a ceiling storage bed which is equipped with Japanese-style bedding and can be easily stored under the ceiling as a Japanese-style bed.

(発明の構成) (1).特定発明の天井収納寝台の実施例についてその
構成を第1図〜第12図に基づいて説明する。
(Structure of the invention) (1). The structure of an embodiment of the ceiling storage bed according to the specific invention will be explained based on FIGS. 1 to 12.

(イ).側板(1−1)(1−1)、妻板(1−2)(
1−2)、底板(1−3)を組み合わせて寝台本体(1
)を一体の箱形に形成されている。
(stomach). Side plate (1-1) (1-1), end plate (1-2) (
1-2) and the bottom plate (1-3) to form the bed body (1-2) and the bottom plate (1-3).
) is formed into an integrated box shape.

(ロ).寝台本体(1)の内側各隅部に駆動索(3)の
端末(3−1)を繋着金具(2)によって繋着されてい
る。
(B). Terminals (3-1) of a driving cable (3) are connected to each inner corner of the bed body (1) by connecting fittings (2).

(ハ).繋着箇所の直上位置の天井面(96)に案内索
車(4)を内設したつり金具(D)(D)(E)(E)
をホールインアンカー(6)と小ねじ(7)によって取
り付け固定されている。
(c). Hanging fittings (D) (D) (E) (E) with a guide cable (4) installed on the ceiling surface (96) directly above the connection point
is attached and fixed using a hole-in anchor (6) and machine screw (7).

(ニ).天井面(96)の端縁部に巻胴(11)と駆動
輪(26)を組み込んだい昇降装置(A)をホールイン
アンカー(6)と小ねじ(7)によって取り付け固定さ
れている。
(d). A lifting device (A) incorporating a winding drum (11) and a drive wheel (26) is attached and fixed to the edge of the ceiling surface (96) by hole-in anchors (6) and machine screws (7).

(ホ).4本の駆動索(3)の他端末(3−2)をつり
金具(D)(D)(E)(E)に内設されている案内索
車(4)をそれぞれ経由させて懸架し昇降装置(A)の
巻胴(11)に捲着されている。
(E). The other terminals (3-2) of the four driving cables (3) are suspended via guide cables (4) installed inside the hanging fittings (D), (D), (E), and (E). It is wound around the winding drum (11) of the lifting device (A).

なお、第4図、第5図はつり金具(D)の拡大図、第6
図、第7図はつり金具(E)の拡大図であり(5)はつ
り金具(D)(E)の本体枠板、(8)は鋲、(9)は
作業用孔である。第8図〜第10図は昇降装置(A)の
拡大図であり(12)は巻胴軸、(13)は軸受、(1
5)は係止用小ねじ、(16)は駆動索端末(3−2)
の繋着金具、(17)は同用小ねじ(18)は大歯車、
19は鋲、(20)は小歯車、(21)は動力伝達軸、
(22)はメカニカルブレーキ板、(23)は同用ブレ
ーキライニング板、(24)はラチェット歯車、(25
)は軸(21)の移動止めばね座板、(26)は駆動輪
、(27)は同脱落防止板、(28)は同固定ボルト、
(29)は滑り止めゴムシート、(30)は玉鎖、(3
1)はラチェット爪、(32)は同軸受、(33)は同
ボルトナット、(14)は昇降装置(A)の本体枠板、
(34)は同本体カバー板、(35)は同止め小ねじ、
(36)はカバー板(34)に設けた駆動索(3)の出
入口用の孔、(37)はキーである。
In addition, Figures 4 and 5 are enlarged views of the hanging metal fittings (D), and Figures 6 and 5 are enlarged views of the hanging fittings (D).
7 are enlarged views of the hanging metal fitting (E), (5) is the main body frame plate of the hanging metal fitting (D) (E), (8) is a rivet, and (9) is a working hole. Figures 8 to 10 are enlarged views of the lifting device (A), where (12) is the winding drum shaft, (13) is the bearing, and (1
5) is a small locking screw, (16) is a driving rope terminal (3-2)
(17) is the same machine screw (18) is the large gear,
19 is a stud, (20) is a small gear, (21) is a power transmission shaft,
(22) is a mechanical brake plate, (23) is a brake lining plate for the same purpose, (24) is a ratchet gear, (25)
) is the detent spring seat plate of the shaft (21), (26) is the drive wheel, (27) is the same falling prevention plate, (28) is the same fixing bolt,
(29) is a non-slip rubber sheet, (30) is a ball chain, (3
1) is the ratchet pawl, (32) is the same bearing, (33) is the same bolt and nut, (14) is the main body frame plate of the lifting device (A),
(34) is the same body cover plate, (35) is the same set screw,
(36) is a hole provided in the cover plate (34) for the entrance and exit of the driving cable (3), and (37) is a key.

(2).併合発明の蓄力装置を装備した天井収納寝台の
実施例についてその構成を第14図、第15図に基づい
て説明する。
(2). The structure of an embodiment of a ceiling storage bed equipped with a power storage device according to the combined invention will be described with reference to FIGS. 14 and 15.

特定発明の天井収納寝台の構成につぎの構成が付加され
ている。
The following structure is added to the structure of the ceiling storage bed of the specific invention.

(イ).寝台本体(1)に2重底板(1−3′)を付加
して空間(1−ロ)を形成されている。
(stomach). A space (1-ro) is formed by adding a double bottom plate (1-3') to the bed body (1).

(ロ) 空間(1−ロ)に案内索車(4)を配設し蓄力
装置(C)を装備されている。
(B) A guide rover (4) is arranged in the space (1-B) and is equipped with a power storage device (C).

(ハ).蓄力装置(C)は補助部材(63)に固定され
た固定枠組(61)とガイドレール(64)、ガイド車
輪(65)によって摺動自在に支持された移動枠組(6
2)で構成され、この両枠組間に8個のつる巻形圧縮ば
ね(66)をガイドパイプ(67)を介して挿入されて
おり、両枠組の外側に索車(4)を複数個内設されてい
る。
(c). The power storage device (C) includes a movable framework (6) slidably supported by a fixed framework (61) fixed to an auxiliary member (63), guide rails (64), and guide wheels (65).
2), eight helical compression springs (66) are inserted between the two frameworks via guide pipes (67), and a plurality of pulleys (4) are installed inside both frameworks. It is set up.

(ニ).蓄力装置(C)の移動枠組(62)に4本のつ
り合い索(70)の端末(70−1)を繋着されている
(d). Terminals (70-1) of four balancing cables (70) are connected to the moving framework (62) of the power storage device (C).

(ホ) つり合い索(70)は両枠粗に内設された索車
(4)間を巻き込むように懸架し、その端末(70−2
)を配設された案内索車(4)を経由し、つり合い索防
護杆(69)をそれぞれ通過させて立ち上がり天井面(
96)に固定のつり金具(D)(D)(E)(E)に繋
着されている。
(e) The balancing cable (70) is suspended so as to wrap around the cable pulley (4) installed roughly inside both frames, and its terminal (70-2)
), the cables pass through the guide pulley (4), which is equipped with cables (
96) are connected to fixed hanging fittings (D) (D) (E) (E).

(3).昇降装置(A)を形状が円錐体みぞ付き状の巻
胴(71)とし巻胴軸兼動力伝達軸(72)に直接嵌入
係止されている昇降装置(B)とした実施態様について
その構成を第16〜第18図に基づいて説明する。
(3). The configuration of an embodiment in which the lifting device (A) is a winding drum (71) with a conical groove shape, and the lifting device (B) is directly fitted and locked to the winding drum shaft and power transmission shaft (72). will be explained based on FIGS. 16 to 18.

昇降装置(A)と昇降装置(B)の構成を比較してみる
とつぎの点が異っている。
Comparing the configurations of the lifting device (A) and the lifting device (B), the following points are different.

(イ) 巻胴が円錐体みぞ付き状の巻胴(71)となっ
ている。
(a) The winding drum is a conical winding drum (71) with grooves.

(ロ).軸(21)が巻胴軸兼動力伝達軸(72)とな
っており軸(72)に巻胴(71)が直接嵌入係止され
ている。
(B). The shaft (21) serves as a winding drum shaft and power transmission shaft (72), and the winding drum (71) is directly fitted and locked onto the shaft (72).

(ハ) 巻胴軸(12)およびその軸受け(13)、大
歯車(18)および小歯車(20)、小ねじ(15)、
鋲(19)が不用となっている。
(c) Winding drum shaft (12) and its bearing (13), large gear (18) and small gear (20), machine screw (15),
The stud (19) is no longer needed.

(ニ).本体枠組板(14)およびカバー板(34)が
小さい形状の本体枠組板(73)およびカバー板(74
)となっている。
(d). The main body frame plate (73) and the cover plate (74) have a small shape.
).

(4).昇降装置(A)および(B)の駆動輪(26)
を減速機(47)付きモーター(46)とした実施態様
についてその構成を第11図、第12図に基づいて説明
する。
(4). Drive wheels (26) of lifting devices (A) and (B)
The configuration of an embodiment in which the motor (46) is equipped with a speed reducer (47) will be described based on FIGS. 11 and 12.

(イ) 昇降装置(A)および(B)の駆動輪(26)
の代りに動力伝達軸(21)および(72)のねじ部分
にフランジ形軸接手(雌側)(41)を螺合されている
(a) Drive wheels (26) of lifting devices (A) and (B)
Instead, a flange-type shaft joint (female side) (41) is screwed onto the threaded portions of the power transmission shafts (21) and (72).

(ロ) 昇降装置(A)および(B)の本体枠組板(1
4)および(73)に取り付け金具(43)、取り付け
ボルトナット(44)(45)によって減速機(47)
付きモーター(46)を取り付け固定されている。
(b) Body frame plate (1) of lifting device (A) and (B)
4) and (73) are attached to the reducer (47) by the mounting bracket (43), mounting bolts and nuts (44) and (45).
A motor (46) is attached and fixed.

(ハ).減速機(47)の出力軸(48)にキー(49
)によってフランジ形軸接手(雄側)(42)を楔着し
軸接手(42)に動力伝達用のボルト(50)が螺着さ
れている。
(c). The key (49) is attached to the output shaft (48) of the reducer (47).
), a flange-shaped shaft joint (male side) (42) is wedge-connected to the shaft joint (42), and a power transmission bolt (50) is screwed to the shaft joint (42).

(ニ).室内コンセント(51)に単相電源受電用プラ
グ(53)が差込まれている。
(d). A single-phase power receiving plug (53) is inserted into the indoor outlet (51).

(ホ) 電線(52)(57)によって押ボタンスイッ
チ(54)、マグネットスイッチ(55)(56)、リ
ミットスイッチ(58)(59)を経由してモーター(
46)に接続されている。
(e) The electric wires (52) (57) connect the motor (
46).

(5).寝台本体(1)の底板(1−3)を折りたたみ
脚(81)付きとした実施態様についてその構成を第2
1図〜第24図に基づいて説明する。
(5). Regarding the embodiment in which the bottom plate (1-3) of the bed body (1) is provided with folding legs (81), the configuration is as follows.
This will be explained based on FIGS. 1 to 24.

(イ) 寝台本体(1)の底板(1−3)の下側四隅部
分の位置に折りたたみ脚(81)を複数個の小ねじ(8
4)によって取り付けられている。
(a) Attach the folding legs (81) to the lower four corners of the bottom plate (1-3) of the bed body (1) using multiple machine screws (8
4).

なお、(82)は脚(81)の取り付け金具、(83)
はボルトナット (6).寝台本体(1)の底板(1−3)と照明装置(
G)(G)およびコンセント(93)(93)付きとし
た実施態様についてその構成を第21図。第22図に基
づいて説明する。
In addition, (82) is the mounting bracket for the leg (81), (83)
is a bolt nut (6). The bottom plate (1-3) of the bed body (1) and the lighting device (
G) FIG. 21 shows the configuration of an embodiment with (G) and outlets (93) and (93). This will be explained based on FIG. 22.

(イ)寝台本体(1)の底板(1−3)の下側中央両縁
端寄り部分の位置に照明装置(G)(G)および底板(
1−3)の上側対角隅部分の位置にコンセント(93)
(93)を取り付けられている。
(B) The lighting devices (G) and the bottom plate (
1-3) Outlet (93) in the upper diagonal corner position
(93) is attached.

(ロ)室内天井コンセント(91)(第2図参照)より
単相電源を受電しつる巻形のカールコード電線(92)
によって支持金具(D)または(E)と経由して垂下さ
せ照明装置(G)(G)およびコンセント(93)(9
3)に接続されている。
(b) Helical curled cord wire (92) that receives single-phase power from the indoor ceiling outlet (91) (see Figure 2)
The lighting device (G) (G) and the outlet (93) (9
3) is connected to.

(ハ).寝台本体(1)の底液(1−3′)の照明装置
(G)(G)取り付け位置に切り欠き孔を設け照明装置
(G)(G)の白色半透明のプラスチック製カバー(G
′)(G′)を嵌め込まれている。
(c). A cutout hole is provided at the installation position of the illumination device (G) (G) on the bottom liquid (1-3') of the bed body (1), and a white translucent plastic cover (G) is provided for the illumination device (G) (G).
') (G') is fitted.

(発理の作用と効果) (1).特定発明の天井収納寝台の実施例についてその
作用と効果を第1図〜第12図に基づいて説明する。
(Functions and effects of seizures) (1). The functions and effects of embodiments of the ceiling storage bed of the specific invention will be explained based on FIGS. 1 to 12.

(イ).寝台本体(1)の空間(1−4)に洋式寝具ま
たは和式寝具を内設装備する。
(stomach). The space (1-4) of the bed body (1) is equipped with Western-style bedding or Japanese-style bedding.

(ロ).昇降装置(A)の玉鎖(30)を引張って駆動
輪(26)を逆回転(反時計回転方向)させることによ
り駆動輪(26)は軸(21)にねじ込まれ遊嵌合され
ているラチェット歯車(24)を押し込みブレーキライ
ニング板(23)とブレーキ板(22)を密着させ軸(
21)を逆回転させることができる。この状態で玉鎖(
30)から手を離してもラチェット歯車(24)がラチ
ェット爪(31)に支持されて停止する。
(B). By pulling the ball chain (30) of the lifting device (A) and rotating the drive wheel (26) in the opposite direction (counterclockwise direction), the drive wheel (26) is screwed into the shaft (21) and loosely fitted. Push in the ratchet gear (24) to bring the brake lining plate (23) and brake plate (22) into close contact with the shaft (
21) can be rotated in the opposite direction. In this state, the ball chain (
30), the ratchet gear (24) is supported by the ratchet pawl (31) and stops.

(ハ).軸(21)の逆回転にともなって小歯車(20
)は大歯車(18)とかみ合って巻胴(11)を正回転
(時計回転方向)させることができる。
(c). With the reverse rotation of the shaft (21), the pinion (20
) can mesh with the large gear (18) to rotate the winding drum (11) in the normal direction (clockwise direction).

(ニ).巻胴(11)の正回転によって駆動索(3)は
巻胴(11)に巻き込まれて寝台本体(1)は上昇する
(d). The driving cable (3) is wound around the winding drum (11) by the forward rotation of the winding drum (11), and the bed body (1) rises.

(ホ)天井面(96)に寝台本体(1)を接近させて停
止しつり下げた状態で収納することができる。
(E) The bed main body (1) can be brought close to the ceiling surface (96), stopped, and stored in a suspended state.

(ヘ)下降させる場合は、昇降装置(A)の玉鎖(30
)を引張って駆動輪(26)を正回転させることにより
駆動輪(26)はねじ戻されようとするが回転力を有す
る軸(21)はブレーキライニング板(23)を摺動さ
せながら回転し追従し続け巻胴(11)を逆回転させる
ことができる。
(f) When lowering the lifting device (A), the ball chain (30
) to rotate the drive wheel (26) in the forward direction, the drive wheel (26) attempts to be unscrewed, but the shaft (21) with rotational force rotates while sliding the brake lining plate (23). The winding drum (11) can be rotated in the opposite direction while continuing to follow the direction.

(ト).巻胴(11)の逆回転によって駆動索(3)は
巻胴(11)から巻き戻されて寝台本体(1)は下降す
る。
(to). By the reverse rotation of the winding drum (11), the driving cable (3) is unwound from the winding drum (11) and the bed body (1) is lowered.

(チ)床面(97)に寝台本体(1)を着床させて停止
し使用状態となる。
(H) The bed body (1) is placed on the floor surface (97) and stopped to be in use.

上述のように操作することにより寝台本体(1)を容易
に昇降させることができ天井下に収納することができる
効果がある。
By operating as described above, the bed main body (1) can be easily raised and lowered and can be stored under the ceiling.

(2).併合発明の蓄力装置を装備した天井収納寝台の
実施例についてその作用と効果を第14図〜第20図に
基づいて説明する。
(2). The functions and effects of an embodiment of the ceiling storage bed equipped with the power storage device of the combined invention will be explained based on FIGS. 14 to 20.

(イ)寝台本体(1)の空間(1−ロ)に装備された蓄
力装置(C)から取り出した4本のつり合い索(70)
を同時に引張り出して天井面(96)に固定されている
つり金具(D)(D)(E)(E)にそれぞれ繋着する
ことにより寝台本体(1)の重量と蓄力装置(C)に内
設されているつる巻形圧縮ばね(66)の反発力をつり
合い索(70)を介してバランスさせ駆動索(3)のつ
り上げ負担荷重を軽減させる作用をする。
(B) Four balancing cables (70) taken out from the power storage device (C) installed in the space (1-B) of the bed body (1)
The weight of the bed body (1) and the power storage device (C) are simultaneously pulled out and connected to the hanging fittings (D) (D) (E) (E) fixed to the ceiling surface (96), respectively. The repulsive force of the helical compression spring (66) installed therein is balanced through the balance cable (70), thereby reducing the lifting load of the drive cable (3).

(ロ)蓄力装置(C)の作用を原理図(第19図、第2
0図参照)で説明する。
(B) Principle diagram of the action of the power storage device (C) (Fig. 19, 2
(See Figure 0).

自由長さl1のつる巻圧縮ばねを全圧縮するとl0とん
り撓み量は最大のd1となり反発力も最大のW1となる
。このばね特性を利用した蓄力装置(C)を天井収納寝
台に装備した実施例において、寝台本体(1)の昇降揚
程がh、ばね(66)の撓み量利用範囲をd3とすると
、つり合い索(70)のローピング数はh/d3以上と
する。
When a helical compression spring with a free length l1 is fully compressed, the amount of deflection of l0 becomes the maximum d1 and the repulsive force also becomes the maximum W1. In an embodiment in which a ceiling-storage bed is equipped with a force storage device (C) that utilizes this spring characteristic, if the lifting height of the bed body (1) is h, and the range of deflection of the spring (66) is d3, then the balance cable The number of ropings in (70) shall be h/d3 or more.

寝台本体(1)の全重量をWとしこの全重量Wの最大8
0%を蓄力装置(C)でバランスさせたい場合の1本当
りのばねの反発力は、 W1=W×0.8×d3/h×N N:装備するばねの
本数寝台本体(1)の空間(1−ロ)に収容可能な寸法
l2から全圧縮長さl0をl2−l0=l3がめられる
。すなわち利用可能な撓み量範囲d3が決められる。ま
た、つる巻圧縮ばねの設計は次式で実施することができ
る。
The total weight of the bed body (1) is W, and the maximum of this total weight W is 8
When you want to balance 0% with the force storage device (C), the repulsive force of each spring is: W1 = W x 0.8 x d3/h x N N: Number of springs to be installed Sleeper body (1) From the dimension l2 that can be accommodated in the space (1-b), the total compressed length l0 can be determined as l2-l0=l3. That is, the usable deflection amount range d3 is determined. Further, the design of the helical compression spring can be implemented using the following equation.

W=π・D3・f/16・R W:圧縮力=反発力(K
g)d=64・n・R3・W/D4・G π;円周率 
D:ばね棒の直径(cm)  f:ばね棒の許容応力(Kg/cm2) R:ばねコ
イルの平均半  径(cm)  d:撓み量(cm)  n;コイルの巻数  G:ばね材料の横断性係  数(Kg/cm2) したがって、利用できる蓄力すなわちばねの反発力の範
囲はW1〜W2となりW1−W2=W3.最大値のW1
からW3の分だけ小さくなる。
W = π・D3・f/16・R W: Compressive force = Repulsive force (K
g) d=64・n・R3・W/D4・G π; Pi
D: Diameter of spring bar (cm) f: Allowable stress of spring bar (Kg/cm2) R: Average radius of spring coil (cm) d: Amount of deflection (cm) n: Number of turns of coil G: Cross section of spring material coefficient of strength (Kg/cm2) Therefore, the range of available stored force, that is, the repulsive force of the spring is W1 to W2, and W1-W2=W3. Maximum W1
It becomes smaller by W3.

この小さくなるW3は駆動索(3)の分担荷重にプラス
されることになり巻胴の回転力増加が必要となる。しか
し、巻胴の形状を円錐体みぞ付きの巻胴(71)とする
ことにより回転力を一定とすることが可能となる。
This decreased W3 is added to the load shared by the drive cable (3), and it becomes necessary to increase the rotational force of the winding drum. However, by changing the shape of the winding drum to a winding drum (71) with conical grooves, it is possible to keep the rotational force constant.

蓄力装置(C)を装備することにより寝台本体(1)の
昇降動力を80〜70%省エネルギー化できる効果があ
る。このことは、同じ人力まあはモーターで約5〜4%
の速度で昇降させることができることになる。また、同
じ昇降速度ならば1/5〜1/4の人力または動力で昇
降させることができることになる。
By equipping the bed with the power storage device (C), it is possible to save energy by 80 to 70% in the power required to raise and lower the bed body (1). This means that the same human power or motor power is about 5 to 4%
This means that it can be raised and lowered at a speed of Further, if the lifting speed is the same, it can be raised and lowered with 1/5 to 1/4 human power or power.

(3).昇降装置(A)を形状が円錐体みぞ付き状の巻
胴(71)とし、巻胴軸兼動力伝達軸(72)に直接嵌
入係止されている昇降装置(B)とした実施態様につい
てその作用と効果を第16図〜第18図に基づいて説明
する。
(3). Regarding the embodiment in which the lifting device (A) is a winding drum (71) with a conical groove shape, and the lifting device (B) is directly fitted and locked to the winding drum shaft and power transmission shaft (72). The action and effect will be explained based on FIGS. 16 to 18.

(イ)蓄力装置(C)を装備した天井収納寝台用の昇降
装置(B)として、駆動索(3)の負担荷重を変動に対
応して巻胴(71)の駆動回転力を一定とするため巻胴
(11)の形状を円錐体みぞ付きの巻胴(71)とする
(B) As an elevating device (B) for a ceiling storage bed equipped with a power storage device (C), the drive rotational force of the winding drum (71) is kept constant in response to fluctuations in the load borne by the drive cable (3). In order to do this, the winding drum (11) is shaped like a winding drum (71) with a conical groove.

(ロ)蓄力装置(C)によって駆動索(3)の負担荷重
が小さくなるため、歯車減速の必要がなくなり巻胴軸兼
動力伝達軸(72)に直接巻胴(71)を嵌入係止して
使用することが可能となる。
(B) Since the load on the driving cable (3) is reduced by the force storage device (C), there is no need for gear reduction, and the winding drum (71) is directly fitted and locked onto the winding drum shaft and power transmission shaft (72). It becomes possible to use it as

(ハ)動力の伝達作用と操作については昇降装置(A)
と同じであるが歯車減速していないので駆動輪(26)
の回転方向が逆方向となる。
(c) Lifting device (A) for power transmission and operation
is the same as, but the gear is not decelerated, so the drive wheel (26)
The direction of rotation is the opposite direction.

昇降装置(B)の実施によって昇降装置(A)の構造が
簡単になり小形、軽量、安価に提供することが可能とな
り、かつ、機械効率も向上させることができる効果があ
る。
By implementing the elevating device (B), the structure of the elevating device (A) can be simplified, making it possible to provide the device in a small size, light weight, and at low cost, and also having the effect of improving mechanical efficiency.

(4).昇降装置(A)および(B)の駆動輪(26)
を減衰機(47)付きモーター(46)とした実施態様
についてその作用と効果を第11図、第12図に基づい
て説明する。
(4). Drive wheels (26) of lifting devices (A) and (B)
The operation and effects of an embodiment in which the motor (46) is equipped with a damper (47) will be explained based on FIGS. 11 and 12.

(イ).室内コンセント(51)にプラグ(53)を差
し込んで単相電源を受電する。
(stomach). Insert the plug (53) into the indoor outlet (51) to receive single-phase power.

(ロ).押しボタンスイッチ(54)の(上)ボタンを
押すとマグネットスイッチ(55)が(ON)となり手
を離しても自己保持回路によって持続されモーター(4
6)が回転し減速機(47)によって回転数が減速され
トルクアツプして動力伝達軸(21)または(72)に
回転力が伝えられ寝台本体(1)を上昇させることがで
きる。
(B). When the (upper) button of the push button switch (54) is pressed, the magnetic switch (55) turns ON and the self-holding circuit continues to operate the motor (4) even when the hand is released.
6) rotates, the rotational speed is reduced by the speed reducer (47), torque is increased, and rotational force is transmitted to the power transmission shaft (21) or (72), allowing the bed body (1) to be raised.

(ハ)天井面(96)に接近すると上限リミットスイッ
チ(58)の接点が(開)となり自己保持回路が遮断さ
れ自動停止させることができる。
(c) When approaching the ceiling surface (96), the contact point of the upper limit switch (58) becomes (open), the self-holding circuit is cut off, and automatic stopping can be performed.

(ニ).押しボタンスイッチ(54)の(下)ボタンを
押すとマグネットスイッチ(56)が(ON)とあんり
モーター(46)を反対の方向に回転させ寝台本体(1
)を下降させることができる。また、着床すると下限リ
ミットスイッチ(59)によって自動停止させることが
できる。
(d). When the (lower) button of the push button switch (54) is pressed, the magnetic switch (56) turns ON and rotates the Anri motor (46) in the opposite direction, turning the bed body (1
) can be lowered. Furthermore, when the robot lands on the floor, it can be automatically stopped by the lower limit switch (59).

(ホ).押しボタンスイッチ(54)の(上)ボタンを
押すと昇降中の寝台本体(1)を任意の位置で停止させ
ることができる。
(E). By pressing the upper button of the push button switch (54), the bed body (1) that is being raised or lowered can be stopped at any position.

以上のような作用により寝台本体(1)の昇降停止の操
作がより容易に省力的にワンタッチ操作で行なうことが
できる効果がある。
The above-mentioned action has the advantage that the operation of raising and lowering the bed body (1) can be more easily and labor-savingly performed with a one-touch operation.

(5).寝台本体(1)の底板(1−3)を折りたたみ
脚(81)付きとした実施態様についてその作用と効果
を第21図〜第24図に基づいて説明する。
(5). The functions and effects of an embodiment in which the bottom plate (1-3) of the bed body (1) is provided with folding legs (81) will be explained based on FIGS. 21 to 24.

(イ).寝台本体(1)を天井下に収納する場合の中間
位置で一旦停止し脚(81)を折りたたんで空間(1−
ロ)に収納し再度上昇させる。
(stomach). When storing the bed body (1) under the ceiling, stop at the intermediate position and fold the legs (81) to open the space (1-
(b) and raise it again.

(ロ)寝台本体(1)を着床する場合は中間位置で一旦
停止し脚(81)を引き出して開脚し再度下降させる。
(b) When the bed body (1) is placed on the bed, it is temporarily stopped at an intermediate position, the legs (81) are pulled out, the legs are opened, and the bed body (1) is lowered again.

折りたたみ脚(81)付きとすることにより本格的な洋
式寝台として使用できる効果がある。
By providing folding legs (81), the bed can be used as a full-fledged Western-style bed.

(6).寝台本体(1)の底板(1−3)を照明装置(
G)(G)およびコンセント(93)(93)付きとし
た実施態様についてその作用と効果を第21図、第22
図に基づいて説明する。
(6). Connect the bottom plate (1-3) of the bed body (1) to the lighting device (
G) The functions and effects of the embodiment with (G) and outlets (93) and (93) are shown in FIGS. 21 and 22.
This will be explained based on the diagram.

(イ).照明装置(G)(G)は寝台本体(1)を天井
下に収納した場合に室内照明用として利用し付属の引き
ひもスイッチにより点滅を操作する。
(stomach). The lighting device (G) (G) is used for indoor lighting when the bed body (1) is stored under the ceiling, and is turned on and off using the attached pull string switch.

(ロ).コンセント(93)(93)は寝台本体(1)
を着床させ使用する場合に電気寝具類の電源として利用
する。
(B). Outlet (93) (93) is on the bed body (1)
When used after implantation, it is used as a power source for electric bedding.

(ハ)つる巻状のカールコード電線(92)は寝台本体
(1)の昇降運動にともない伸縮自在に対応する。
(c) The helical curl cord electric wire (92) can expand and contract as the bed body (1) moves up and down.

寝台本体(1)の収納時においても室内全体の照明が可
能となる。また、寝台使用時においても直接コンセント
(93)より電気寝具類のプラグを差し込むことができ
る効果がある。
Even when the bed body (1) is stored, the entire room can be illuminated. Further, even when the bed is in use, there is an advantage that the plug for electric bedding can be directly plugged into the outlet (93).

(発明の総合効果) 天井収納寝台および蓄力装置を装備した天井収納寝台の
発明とケースバイケースの実施態様の組み合せによって
総合的につぎのような効果がある。
(Overall Effects of the Invention) The invention of the ceiling storage bed and the ceiling storage bed equipped with a power storage device and the combination of the embodiments on a case-by-case basis provide the following effects comprehensively.

(1).シングルベッドからツインベッドまでベッドの
大きさにかかわらず利用することができる。
(1). Beds of any size can be used, from single beds to twin beds.

(2).寝台本体(1)に寝具類を内設したまま収納で
きるので従来の収納スペースは多目的に転活用すること
ができる。
(2). Since bedding can be stored inside the bed body (1), the conventional storage space can be used for multiple purposes.

(3)天井下に収納するため寝室は多目的用途に兼用活
用することができる。
(3) Since it is stored under the ceiling, the bedroom can be used for multiple purposes.

(4)寝具、寝具類の収納作業が自動的、省力的に行な
うことができる。
(4) Storing bedding and bedding items can be carried out automatically and labor-savingly.

(5)寝台、寝具類の収納作業を手動で行なう場合には
蓄力装置(C)に装備することにより軽量迅速に行なう
ことができる。
(5) When storing the bed and bedding manually, it can be done lightweight and quickly by equipping it with the power storage device (C).

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

第1図は天井収納寝台の斜視図、第2図はア−ア視平面
図、第3図はイ−イ視正面図、第4図はつり金具(D)
のウ−ウ視平面図、第5図は同エ−エ視側面図、第6図
はつり金具(E)のオ−オ視平面断面図、第7図は同カ
−カ視正面断面図、第8図は昇降装置(A)のキ−キ視
正面断面図、第9図は同ク−ク視側面断面図、第10図
は同ケ−ケ視側面断面図、第11図は減速機付きモータ
ーの取り付け一部破断正面図、第12図は電気制御回路
配線図、第13図は蓄力装置(C)のコ−コ視平面図、
第14図は同サ−サ視一部破断正面断面図、第15図は
同シ−シ視側面断面図、第16図は昇降装置(B)のス
−ス視正面断面図、第17図は同セ−セ視側面断面図、
第18図は同ソ−ソ視側面断面図、第19図は蓄力装置
(C)の作用説明図、第20図は同作用説明構造略図、
第21図は折りたたみ脚(81)、照明装置(G)、コ
ンセント(93)の取り付け位置を示すタ−タ視平面断
面図、第22図は同チ−チ視正面図、第23図は折りた
たみ脚の取り付け部拡大側面図、第24図は同正面図で
ある。 (A)は減速付き昇降装置、(B)は減速なし昇降装置
、(C)は蓄力装置、(D)は索車2個付きつり金具、
(E)は索車1個付きつり金具、(G)は照明装置であ
る。 (1)は寝台本体、(2)は繋着金具、(3)は駆動索
、(4)は索車、(5)はつり金具本体枠板、(6)は
ホールインアンカー、(7)は小ねじ、(8)は鋲、(
9)は作業用孔、(11)は昇降装置(A)の巻胴、(
12)は巻胴軸、(13)は軸受、(14)は本体枠板
、(15)は小ねじ、(16)は繋着金具、(17)は
小ねじ、(18)は大歯車、(19)は鋲、(20)は
小歯車、(21)は動力伝達軸、(22)はメカニカル
ブレーキ板、(23)は同ブレーキライニング板、(2
4)は同ラチェット歯車、(25)はばね座板、(26
)は駆動輪、(27)は座板、(28)はボルト、(2
9)はゴムシート、(30)は玉鎖、(31)はラチェ
ット爪、(32)は軸受、(33)はボルトナット、(
34)は本体カバー板、(35)小ねじ、(36)は索
(3)の出入口用の孔、(37)はキー、(41)はフ
ランジ形軸接手(雌側)、(42)は同(雄側)、(4
3)は取り付け金具、(44)(45)はボルトナット
、(46)はモーター、(47)は減速機、(48)は
同出力軸、(49)はキー、(50)はボルト、(51
)は室内コンセント、(52)はコード電線、(53)
はプラグ、(54)は押しボタンスイッチ、(55)は
上昇用マグネットスイッチ、(56)は下降用マグネッ
トスイッチ、(57)は電線、(58)は上限リミツト
スイッチ、(59)は下限リミットスイッチ、(61)
は蓄力装置の固定枠組、(62)は同移動枠組、(63
)は同補助部材、(64)はガイドレール、(65)は
ガイド車輪、(66)はつる巻形圧縮ばね、(67)は
同ガイドパイプ、(68)はつり合い索(70)の通過
用孔、(69)はつり合い索(70)の防護管、(70
)はつり合い索、(71)は円錐体みぞ付き状の巻胴、
(72)は巻胴軸兼動力伝達軸、(73)は昇降装置(
B)の本体枠板、(74)は同取り付け金具、(76)
は小ねじ、(81)は折りたたみ脚、(82)は同取り
付け金具、(83)はボルトナット、(84)は小ねじ
、(91)は天井面コンセント、(92)はつる巻形カ
ールコード電線、(93)は寝台内コンセント、(96
)は室内天井面、(97)は室内床面、(98)は室内
壁面である。 特許肌触ん用西牽]ん 特許ハ=4t殿 1半件作&示品ヤチ写特許釉洋478fl)9号2、%
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Figure 1 is a perspective view of the ceiling storage bed, Figure 2 is a plan view from side to side, Figure 3 is a front view from side to side, and Figure 4 is a hanging bracket (D).
FIG. 5 is a side view of the same as seen from the A-E, FIG. 6 is a plan sectional view of the hanging fitting (E) as seen from the O-W, and FIG. 7 is a front sectional view of the same as seen from the car. Fig. 8 is a front sectional view of the lifting device (A) as seen from the key, Fig. 9 is a side sectional view of the lifting device (A), Fig. 10 is a side sectional view of the elevating device (A) as seen from the ke, and Fig. 11 is the reduction gear. 12 is an electric control circuit wiring diagram, 13 is a top view of the power storage device (C),
Fig. 14 is a partially cutaway front sectional view of the same as seen from the servicer, Fig. 15 is a side sectional view of the same as seen from the chassis, Fig. 16 is a front sectional view of the elevating device (B) as seen from the side, and Fig. 17 is a side sectional view of the same,
FIG. 18 is a sectional side view of the same, FIG. 19 is an explanatory diagram of the operation of the power storage device (C), and FIG. 20 is a schematic diagram of the structure for explaining the operation,
Fig. 21 is a planar sectional view showing the installation positions of the folding leg (81), lighting device (G), and outlet (93), Fig. 22 is a front view of the same, Fig. 23 is a folding FIG. 24 is an enlarged side view of the leg attachment part and a front view thereof. (A) is a lifting device with deceleration, (B) is a lifting device without deceleration, (C) is a power storage device, (D) is a hanging bracket with two pulleys,
(E) is a hanging bracket with one pulley, and (G) is a lighting device. (1) is the bed body, (2) is the connecting metal fittings, (3) is the driving cable, (4) is the rover, (5) is the frame plate of the hanging metal fitting body, (6) is the hole-in anchor, (7) is Machine screw, (8) is a rivet, (
9) is the working hole, (11) is the winding drum of the lifting device (A), (
12) is the winding drum shaft, (13) is the bearing, (14) is the main body frame plate, (15) is the machine screw, (16) is the connecting fitting, (17) is the machine screw, (18) is the large gear, (19) is a stud, (20) is a small gear, (21) is a power transmission shaft, (22) is a mechanical brake plate, (23) is a mechanical brake lining plate, (2
4) is the same ratchet gear, (25) is the spring seat plate, (26
) is the drive wheel, (27) is the seat plate, (28) is the bolt, (2
9) is a rubber sheet, (30) is a ball chain, (31) is a ratchet pawl, (32) is a bearing, (33) is a bolt nut, (
34) is the main body cover plate, (35) is a small screw, (36) is a hole for the entrance and exit of cable (3), (37) is a key, (41) is a flange type shaft joint (female side), (42) is Same (male side), (4
3) is the mounting bracket, (44) and (45) are bolts and nuts, (46) is the motor, (47) is the reducer, (48) is the same output shaft, (49) is the key, (50) is the bolt, ( 51
) is the indoor outlet, (52) is the cord wire, (53)
is the plug, (54) is the push button switch, (55) is the upward magnetic switch, (56) is the downward magnetic switch, (57) is the electric wire, (58) is the upper limit switch, (59) is the lower limit switch, (61)
(62) is the fixed framework of the energy storage device, (63) is the movable framework of the same, (63)
) is the same auxiliary member, (64) is the guide rail, (65) is the guide wheel, (66) is the helical compression spring, (67) is the same guide pipe, (68) is for passing the balancing cable (70). The hole (69) is the protective tube for the balance cable (70), (70
) is a balance cable, (71) is a conical grooved winding barrel,
(72) is the winding drum shaft and power transmission shaft, (73) is the lifting device (
B) Body frame plate, (74) is the same mounting bracket, (76)
(81) is a machine screw, (81) is a folding leg, (82) is the same mounting bracket, (83) is a bolt/nut, (84) is a machine screw, (91) is a ceiling outlet, (92) is a helical curl cord. Electric wire, (93) is an outlet in the bed, (96)
) is the indoor ceiling surface, (97) is the indoor floor surface, and (98) is the indoor wall surface. Patent for touching the skin] Patent ha = 4t 1 and a half works & exhibition Yachi copy patent glaze 478 fl) No. 9 2, %
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Claims (6)

【特許請求の範囲】[Claims] 1.側板と妻板と底板を組み合わせて寝台本体を一体の
箱形に形成し、寝台本体に複数本の駆動索の端末を繋着
し、繋着箇所の直上位置の天井面に案内索車を内設した
つり金具を取り付け、天井面の端縁位置に巻胴と駆動輪
を組み込んだ昇降装置を取り付け、複数本の駆動索の他
端末をつり金具に内設した案内索車を経由させて懸架し
昇隣装置に組み込んだ巻胴に捲着されて成ることを特徴
とする天井収納寝台。
1. The main body of the bed is formed into an integrated box shape by combining the side plates, end plate, and bottom plate, and the terminals of multiple drive cables are connected to the main body of the bed, and a guide cable is installed internally on the ceiling surface directly above the connection point. A lifting device incorporating a winding drum and a driving wheel is attached to the edge of the ceiling surface, and the other ends of the multiple driving cables are suspended via guide cables installed inside the hanging fitting. A ceiling storage bed characterized by being wrapped around a winding drum built into a lifting device.
2.特許請求の範囲第1項記載の天井収納寝台の底板を
2重にして下部空間を設け、その空間に蓄力装置を装備
し、蓄力装置から出ている複数本のつり合い索を下部空
間に配設しあ案内索車を経由通過させて立ち上がり天井
面に取り付けられているつり金具に繋着されて成ること
を特徴とする蓄力装置を装備した天井収納寝台。
2. The bottom plate of the ceiling storage bed described in claim 1 is doubled to provide a lower space, a power storage device is installed in the space, and a plurality of balancing cables extending from the power storage device are connected to the lower space. A ceiling storage bed equipped with a power storage device, characterized in that it rises up by passing through an installed guide cable and is connected to a hanging fitting attached to a ceiling surface.
3.昇降装置を形状が円錐体みぞ付き状の巻胴で巻胴軸
兼動力伝達軸に直接嵌入係止されている昇降装置とした
実施態様の特許請求の範囲第2項記載の蓄力装置を装備
した天井収納寝台。
3. Equipped with a power storage device according to claim 2 of an embodiment in which the lifting device is a lifting device having a conical grooved winding drum that is directly fitted and locked to the winding drum shaft and power transmission shaft. Ceiling storage bed.
4.昇降装置の駆動輪を減速機付きモーターとした実施
態様の特許請求の範囲第1項記載の天井収納寝台および
同第2項記載の蓄力装置を装備した天昨収納寝台。
4. A ceiling storage bed according to claim 1, and a ceiling storage bed equipped with a power storage device according to claim 2, in which the drive wheel of the lifting device is a motor with a speed reducer.
5.寝台本体の底板を折りたたみ脚付きとした実施態様
の特許請求の範囲第2項記載の蓄力装置を装備した天井
収納寝台。
5. A ceiling storage bed equipped with a power storage device according to claim 2, wherein the bottom plate of the bed body has foldable legs.
6.寝台本体の底板を照明装置およびコンセント付きと
した実施態様の特許請求の範囲第2項記載の蓄力装置を
装備した天井収納寝台。
6. A ceiling storage bed equipped with a power storage device according to claim 2, wherein the bottom plate of the bed body is equipped with a lighting device and an outlet.
JP59047809A 1984-03-12 1984-03-12 Ceiling receiving bed and power accumulator mounted ceiling receiving bed Pending JPS60190911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59047809A JPS60190911A (en) 1984-03-12 1984-03-12 Ceiling receiving bed and power accumulator mounted ceiling receiving bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59047809A JPS60190911A (en) 1984-03-12 1984-03-12 Ceiling receiving bed and power accumulator mounted ceiling receiving bed

Publications (1)

Publication Number Publication Date
JPS60190911A true JPS60190911A (en) 1985-09-28

Family

ID=12785688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59047809A Pending JPS60190911A (en) 1984-03-12 1984-03-12 Ceiling receiving bed and power accumulator mounted ceiling receiving bed

Country Status (1)

Country Link
JP (1) JPS60190911A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS425539Y1 (en) * 1964-05-20 1967-03-20
JPS4812259U (en) * 1971-06-17 1973-02-10
JPS504805B1 (en) * 1970-01-14 1975-02-24
JPS5628200A (en) * 1979-08-13 1981-03-19 Hitachi Medical Corp Lifting gear

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS425539Y1 (en) * 1964-05-20 1967-03-20
JPS504805B1 (en) * 1970-01-14 1975-02-24
JPS4812259U (en) * 1971-06-17 1973-02-10
JPS5628200A (en) * 1979-08-13 1981-03-19 Hitachi Medical Corp Lifting gear

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