JPH08312729A - Manual operation mechanism - Google Patents
Manual operation mechanismInfo
- Publication number
- JPH08312729A JPH08312729A JP14697095A JP14697095A JPH08312729A JP H08312729 A JPH08312729 A JP H08312729A JP 14697095 A JP14697095 A JP 14697095A JP 14697095 A JP14697095 A JP 14697095A JP H08312729 A JPH08312729 A JP H08312729A
- Authority
- JP
- Japan
- Prior art keywords
- manual operation
- housing
- knob
- movable member
- gear
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 46
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Retarders (AREA)
- Transmission Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電動バルブや電動住設
機器その他の駆動装置で、停電等非常時での手動操作を
不可欠とする駆動装置の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvements in drive devices for electric valves, electric home appliances and the like, which require manual operation in an emergency such as a power failure.
【０００２】[0002]
【従来の技術】図５は筺体１の内部に駆動用モータ５と
減速装置１６と共に非常時に使用する手動操作の操作を
容易とする為の減速装置１５をも設けている。該構成で
は、駆動用モータにより負荷構成体１４を駆動する際、
駆動用モータに直結された手動操作摘み４は常に回転す
ることになる。該手動操作摘み４は筺体１の外部に配置
されるので、安全面から好ましいと言えない他、手動操
作の容易化の為だけに駆動用モータ５に増速装置１５を
設ける必要がある等構造の無駄がある。2. Description of the Related Art In FIG. 5, a housing 1 is provided with a drive motor 5 and a speed reducer 16 as well as a speed reducer 15 for facilitating a manual operation used in an emergency. With this configuration, when the load motor 14 is driven by the drive motor,
The manually operated knob 4 directly connected to the drive motor always rotates. Since the manual operation knob 4 is arranged outside the housing 1, it is not preferable in terms of safety, and it is necessary to provide the speed increasing device 15 on the drive motor 5 only for facilitating the manual operation. There is a waste of.
【０００３】図６は上記手動操作摘み４が、負荷構成体
１４を駆動する際に常時回転するのを回避する手段とし
て、駆動用モータ５と手動操作摘み４との間にクラッチ
機構を併設したもので、手動操作摘み４の押し込みによ
り該手動操作摘み４に直結されたクラッチ板１７と駆動
用モータ５の回転子に直結されたもう一方のクラッチ板
１８を離接する事で、手動操作摘み４が非常時の手動操
作の際以外で静止状態を維持するようにしていることは
改めて説明するまでもなく周知の構成である。FIG. 6 shows that a clutch mechanism is provided between the drive motor 5 and the manual operation knob 4 as a means for avoiding the manual operation knob 4 from constantly rotating when driving the load component 14. When the manual operation knob 4 is pushed, the clutch plate 17 directly connected to the manual operation knob 4 and the other clutch plate 18 directly connected to the rotor of the drive motor 5 are brought into contact with each other. It is a well-known configuration that the stationary state is maintained except during the manual operation in an emergency, which is needless to explain again.
【０００４】そしてこのような減速装置１６には、負荷
構成体１４の動作速度に対応した速比が採用されるの
で、手動操作摘み４が駆動用モータ５の回転子と離接す
る構成と相俟って、負荷構成体１４の所定動作量を操作
するためには手動操作摘み４の操作量が大きくなり、非
常時だけの操作とはいえ操作性の面で問題を残している
ことに変わりはない。Since a speed ratio corresponding to the operating speed of the load component 14 is adopted in the speed reducer 16 as described above, this is combined with the structure in which the manually operated knob 4 is brought into contact with and separated from the rotor of the drive motor 5. Therefore, in order to operate the predetermined operation amount of the load component 14, the operation amount of the manual operation knob 4 becomes large, and although it is an operation only in an emergency, there is a problem in terms of operability. Absent.
【０００５】又、この操作性の改善手段として、第１の
例の如く手動操作摘み４側に増速装置を併設することも
出来るが、上述の通り構造の付加となるので経済的に好
ましいとは言えない。As a means for improving the operability, a speed increasing device may be provided on the side of the manual operation knob 4 as in the first example, but it is economically preferable because the structure is added as described above. I can't say.
【０００６】[0006]
【発明が解決しようとする課題】上述の如き従来の構成
は、内装される減速装置の速比の大きさによっては、非
常時における手動操作での操作性が悪く、操作性改善の
ための増速装置併設等の手段では経済的なデメリットを
伴うことが避けられなかった。The conventional structure as described above has poor operability in manual operation in an emergency depending on the size of the speed ratio of the reduction gear installed, and an increase in operability is required. It was unavoidable that there were economic disadvantages with means such as a speed device.
【０００７】本発明に成る手動操作機構は、内装する減
速機構は所謂遊星歯車機構であって、該遊星歯車機構の
内歯歯車を形成する円筒部外周面には外歯が形成され、
該外歯がアイドルギヤと前記筺体内周面に遊嵌する可動
部材とを介して手動操作摘みに連接されると共に、該手
動ハンドルが軸方向の移動で解放自在の転回ロック機構
を備え、該転回ロック機構は、筺体及び可動部材の底部
に形成された非円形孔と、手動操作摘みと一体を成し前
記非円形孔と遊嵌する非円形ボスとの遊嵌結合で構成さ
れ、制御回路と共に前記筺体及び回動部材の内部に配置
されている駆動用電動機の回転子軸後部には、前記手動
操作摘みのボス先端部に併設されるブレーキシューと離
接自在ブレーキ板が設けられ、又前記筺体と手動操作摘
み及び負荷装置との接合部は気密保持する如く構成され
ている。In the manual operation mechanism according to the present invention, the reduction gear mechanism installed is a so-called planetary gear mechanism, and external teeth are formed on the outer peripheral surface of the cylindrical portion forming the internal gear of the planetary gear mechanism.
The external teeth are connected to a manually operated knob through an idle gear and a movable member that is loosely fitted to the inner peripheral surface of the housing, and the manual handle includes a rotation lock mechanism that is releasable by axial movement. The turn lock mechanism is composed of a non-circular hole formed in the bottom of the housing and the movable member, and a non-circular boss that is integral with the manually operated knob and that loosely fits in the non-circular hole. At the rear of the rotor shaft of the drive motor disposed inside the housing and the rotating member, a brake shoe and a detachable brake plate that are attached to the boss tip of the manually operated knob are provided. The joint between the housing and the manually operated knob and load device is configured to keep airtight.
【作 用】上述の如き構成においては、内装される減速
装置の速比の如何に拘わらず非常時における手動操作で
の操作性が良く、手動操作での操作力が遺漏無く負荷側
に伝達され効率の良い手動操作が可能となる。[Operation] With the above-mentioned configuration, the operability by manual operation in an emergency is good regardless of the speed ratio of the reduction gear installed, and the operating force by manual operation is transmitted to the load side without omission. Efficient manual operation is possible.
【０００８】[0008]
【実施例】図１は本発明に成る例の要部断面図である。
外被は筺体１と筺体２とで構成され、前記筺体１の内周
面には該内周面を摺動面としてカップ状の可動部材３が
転動自在に併設されている。そしてこれら筺体１と可動
部材３の内部空間には駆動用モータ５と該モータを制御
する為の制御装置６が、前記駆動用モータ５と前記外被
の外側に位置する負荷構成体１４との間に介在する減速
装置と共に内装されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a sectional view of the essential parts of an example according to the present invention.
The outer cover is composed of a casing 1 and a casing 2, and a cup-shaped movable member 3 is rotatably provided on the inner peripheral surface of the casing 1 with the inner peripheral surface serving as a sliding surface. A drive motor 5 and a control device 6 for controlling the motor are provided in the inner space of the housing 1 and the movable member 3, and the drive motor 5 and the load component 14 located outside the outer cover are provided. It is installed with a reduction gear interposed between them.
【０００９】そして該減速装置は遊星歯車機構であっ
て、該例の遊星歯車機構の入力軸は、駆動用モータ５の
回転子軸に装着されたロータピニオン８と係合する初段
歯車と一体を成す太陽歯車９で構成され、該太陽歯車９
と係合する遊星歯車１１は腕１０で転動自在に保持さ
れ、該遊星歯車１１が更に前記太陽歯車９との係合部と
対称の位置で外側に位置する円筒状の内歯歯車１２−１
と係合している点は周知遊星歯車機構と変わりはない。The speed reducer is a planetary gear mechanism, and the input shaft of the planetary gear mechanism of the example is integrated with a first-stage gear that engages with a rotor pinion 8 mounted on the rotor shaft of the drive motor 5. The sun gear 9 is composed of
A planetary gear 11 that is engaged with is rotatably held by an arm 10, and the planetary gear 11 is a cylindrical internal gear 12-12 located outside at a position symmetrical to the engaging portion with the sun gear 9. 1
The point of engagement with is the same as that of the known planetary gear mechanism.
【００１０】然るに図１の本発明では、前記遊星歯車機
構の内歯歯車１２−１の外周面に外歯歯車１２−２が形
成され該外歯歯車１２−２はアイドルギヤ１３と係合し
ている。そして前記転動自在の可動部材３の開口端内周
面には前記アイドルギヤ１３と係合する別の内歯歯車が
形成されている。Therefore, in the present invention of FIG. 1, an external gear 12-2 is formed on the outer peripheral surface of the internal gear 12-1 of the planetary gear mechanism, and the external gear 12-2 is engaged with the idle gear 13. ing. Another internal gear that engages with the idle gear 13 is formed on the inner peripheral surface of the open end of the rotatable movable member 3.
【００１１】電動機駆動による正常動作時では、図１に
見るように、駆動用モータ５は遊星歯車機構を介して負
荷構成体１４を駆動するが、動力が負荷構成体に伝達さ
れる為には遊星歯車機構の内歯歯車１２−１が支点とな
り、該内歯歯車の固定保持は、アイドルギヤ１３と可動
部材３の先端内周面に形成された別の内歯歯車３−１と
の係合を経て、前記可動部材３の底面に形成された非円
形孔と、該可動部材３の非円形孔と対向して位置する筺
体１の底面非円形孔の双方に手動操作摘み４の非円形形
状のボスが遊嵌することで行われる。改めて遊星歯車機
構としての内歯歯車の固定保持のメカニズムを連接順に
列記すれば、筺体１が固定されていることから、内歯歯
車（の外周面に形成された外歯歯車）−アイドルギヤ−
可動部材の別の内歯歯車−可動部材本体−可動部材底面
の非円形孔−手動操作摘みの非円形ボス−筺体１の底面
の非円形孔の結合により遊星歯車機構の内歯歯車が固定
保持されることになる。During normal operation by driving the electric motor, as shown in FIG. 1, the drive motor 5 drives the load component 14 via the planetary gear mechanism. However, in order to transmit power to the load component, The internal gear 12-1 of the planetary gear mechanism serves as a fulcrum, and the internal gear is fixedly held by the idle gear 13 and another internal gear 3-1 formed on the inner peripheral surface of the distal end of the movable member 3. After the combination, the non-circular hole of the manual operation knob 4 is formed in both the non-circular hole formed in the bottom surface of the movable member 3 and the bottom non-circular hole of the housing 1 facing the non-circular hole of the movable member 3. This is done by loosely fitting the shaped boss. If the mechanisms for fixing and holding the internal gear as the planetary gear mechanism are listed again in the order of connection, since the housing 1 is fixed, the internal gear (the external gear formed on the outer peripheral surface thereof) -the idle gear-
Another internal gear of the movable member-the movable member main body-a non-circular hole on the bottom surface of the movable member-a non-circular boss by manual operation-a non-circular hole on the bottom surface of the housing 1 is fixed to hold the internal gear of the planetary gear mechanism. Will be done.
【００１２】図２は停電等での非常時手動操作を説明す
るもので、手動操作摘み４が上述図１に示す状態を破線
で示し、手動操作摘み４のボス４−１の外周面に形成さ
れた非円形形成部である凸部４−１２が筺体１及び可動
部材３夫々の底面の孔の凹部双方に同時に遊嵌している
状態で、図３及び図４はこの筺体１及び可動部材３と手
動操作摘み４との結合状態を示している。ここでは非円
形形状を円筒状の外周面に２個の突起を形成した例を示
す。FIG. 2 illustrates an emergency manual operation such as a power failure. The manual operation knob 4 is shown by a broken line in the state shown in FIG. 1 and is formed on the outer peripheral surface of the boss 4-1 of the manual operation knob 4. 3 and 4 show a state in which the convex portion 4-12, which is a non-circular forming portion, is loosely fitted into both the concave portions of the holes on the bottom surface of the housing 1 and the movable member 3 at the same time. The connection state of 3 and the manual operation knob 4 is shown. Here, an example in which two protrusions are formed on the outer peripheral surface of a non-circular cylindrical shape is shown.
【００１３】図２における手動操作摘み４の実線表示
は、停電等での非常時の手動操作の際、軸方向に所定範
囲で移動自在の手動操作摘み４を右方向に押圧した状態
を示し、摘みのボス４−１は右にずれ、該ボス４−１の
外周面に形成されている凸部４−１２が筺体１の孔の凹
部１−１２からはずれ、右隣に位置する可動部材３の孔
の凹部３−１２とのみ遊嵌することになる。The solid line display of the manual operation knob 4 in FIG. 2 shows a state in which the manual operation knob 4 movable in the axial direction within a predetermined range is pressed to the right at the time of manual operation in an emergency such as a power failure. The knob boss 4-1 is displaced to the right, the convex portion 4-12 formed on the outer peripheral surface of the boss 4-1 is displaced from the concave portion 1-12 of the hole of the housing 1, and the movable member 3 located on the right side is located. It will be loosely fitted only in the concave portion 3-12 of the hole.
【００１４】即ち、アイドルギヤ１３を介して遊星歯車
機構の内歯歯車１２−１を固定保持する筺体１との連結
が解かれるので、手動操作摘み４の転回動作は、遊星歯
車機構を経て負荷側に自在に伝達可能となる。That is, since the connection with the housing 1 for fixing and holding the internal gear 12-1 of the planetary gear mechanism is released through the idle gear 13, the turning operation of the manually operated knob 4 is performed by the load through the planetary gear mechanism. It can be freely transmitted to the side.
【００１５】又、上述の通り手動操作摘み４を押し出す
ようにすると、図１，図２に見るように摘みのボス４−
１の先端のブレーキシュー４−２が駆動用モータ５の回
転子軸に固着されたブレーキ板７に押圧され、手動転回
動作の際駆動用モータ５の回転子を拘束するので、操作
力は遊星歯車機構の太陽歯車からロータピニオン８を経
て回転子に戻る分が阻止され、負荷側のみに伝達され負
荷構成帯１４を効率よく駆動操作する事が出来る。When the manually operated knob 4 is pushed out as described above, the knob boss 4-as shown in FIGS. 1 and 2.
The brake shoe 4-2 at the tip of 1 is pressed by the brake plate 7 fixed to the rotor shaft of the drive motor 5 and restrains the rotor of the drive motor 5 during the manual turning operation, so that the operating force is the planetary force. A portion of the sun gear of the gear mechanism that returns to the rotor via the rotor pinion 8 is blocked, and transmitted only to the load side, so that the load component zone 14 can be efficiently driven and operated.
【００１６】[0016]
【発明の効果】本発明に成る手動操作機構は、内蔵する
減速装置の速比の如何に拘わらず、非常時における手動
操作での操作性が良く、手動操作での操作力が遺漏無く
負荷側に伝達され効率の良い手動操作が可能となる作用
効果がある。The manual operation mechanism according to the present invention has good operability by manual operation in an emergency regardless of the speed ratio of the built-in speed reducer, and the operation force by manual operation is not overlooked on the load side. And the effective manual operation is enabled.
【図１】本発明になる手動操作機構の要部横断面図であ
る。FIG. 1 is a cross-sectional view of a main part of a manual operation mechanism according to the present invention.
【図２】図１の例の手動操作摘みの作動を説明する部分
拡大横断面図である。FIG. 2 is a partial enlarged cross-sectional view illustrating the operation of the manual operation knob of the example of FIG.
【図３】手動操作摘みに対向する筺体及び可動部材の底
面を示す正面図である。FIG. 3 is a front view showing bottom surfaces of a housing and a movable member facing a manually operated knob.
【図４】手動操作摘みのボスの形状を説明する内側正面
図である。FIG. 4 is an inner front view for explaining the shape of a boss for manual operation.
【図５】従来技術に成る手動操作機構の例の側面透視略
図である。FIG. 5 is a schematic side perspective view of an example of a prior art manual operating mechanism.
【図６】従来技術に成る手動操作機構の別の例の側面透
視略図である。FIG. 6 is a schematic side perspective view of another example of the conventional manual operation mechanism.
１ 筺体１ １−１ 筺体の底面 １−１１ 筺体底面に形成された孔 １−１２ 筺体底面に形成された孔の凹部 １−２ 筺体の外周円筒部 ２ 筺体２ ３ 可動部材 ３−１ 可動部材の底面 ３−１１ 可動部材底面に形成された孔 ３−１２ 可動部材底面に形成された孔の凹部 ３−２ 可動部材円筒部先端に形成された内歯歯車 ４ 手動操作摘み ４−１ 摘みのボス ４−１１ ボスの外周面 ４−１２ ボスの外周面に形成された凸部 ４−２ 摘みと一体を成すブレーキシュー ４−２１ ブレーキシューの当接面 ５ 駆動用モータ ６ モータの制御装置 ７ モータに直結されたブレーキ板 ７−１ ブレーキ板の当接面 ８ ロータピニオン ９ 遊星歯車機構の太陽歯車 ９−１ 太陽歯車と一体を成しロータピニオンと係合
する初段歯車 １０ 遊星歯車を保持転動する腕 １１ 遊星歯車 １２ 遊星歯車機構の内歯歯車を形成する円筒部 １２−１ 遊星歯車機構の内歯歯車 １２−２ 遊星歯車機構円筒部の外周面に形成された
外歯歯車 １３ アイドルギヤ １４ 負荷構成体 １５ 増速装置 １６ 減速装置 １７ クラッチ板１ １８ クラッチ板２DESCRIPTION OF SYMBOLS 1 Housing 1 1-1 Bottom surface of housing 1-11 Hole formed in bottom surface of housing 1-12 Recess of hole formed in bottom surface of housing 1-2 Outer cylindrical portion of housing 2 Housing 2 3 Movable member 3-1 Movable member Bottom surface of the movable member 3-11 hole formed on the bottom surface of the movable member 3-12 recessed portion of the hole formed on the bottom surface of the movable member 3-2 internal gear formed on the tip of the movable member cylindrical portion 4 manual operation knob 4-1 Boss 4-11 Outer peripheral surface of boss 4-12 Convex portion formed on outer peripheral surface of boss 4-2 Brake shoe integrated with knob 4-21 Abutment surface of brake shoe 5 Driving motor 6 Motor control device 7 Brake plate directly connected to motor 7-1 Contact surface of brake plate 8 Rotor pinion 9 Sun gear of planetary gear mechanism 9-1 First stage gear that is integral with sun gear and engages with rotor pinion 10 Holds planetary gear Moving arm DESCRIPTION OF SYMBOLS 1 Planetary gear 12 Cylindrical part which forms internal gear of planetary gear mechanism 12-1 Internal gear of planetary gear mechanism 12-2 External gear 13 formed on outer peripheral surface of planetary gear mechanism cylindrical part 13 Idle gear 14 Load configuration Body 15 speed increasing device 16 speed reducing device 17 clutch plate 1 18 clutch plate 2
Claims (6)
機に連結される減速機構とを有する駆動装置に併設され
る、非常時に備えた手動操作機構において、前記減速機
構は所謂遊星歯車機構であって、該遊星歯車機構の内歯
歯車を形成する円筒部外周面には外歯が形成され、該外
歯がアイドルギヤと前記筺体内周面に遊嵌する可動部材
とを介して手動操作摘みに連接されると共に、該手動ハ
ンドルが軸方向の移動で解放自在の転回ロック機構を備
えること、を特徴とする手動操作機構。1. A manual operation mechanism provided in an emergency, which is installed in a drive unit having a housing, a driving electric motor, and a reduction gear mechanism connected to the driving electric motor, wherein the reduction gear mechanism is a so-called planetary gear mechanism. The external teeth are formed on the outer peripheral surface of the cylindrical portion forming the internal gear of the planetary gear mechanism, and the external teeth are manually operated via an idle gear and a movable member that is loosely fitted to the inner peripheral surface of the housing. A manual operation mechanism, which is connected to an operation knob, and in which the manual handle includes a rotation lock mechanism that is releasable by axial movement.
材の底部に形成された非円形孔と、手動操作摘みと一体
を成し前記非円形孔と遊嵌する非円形ボスとの遊嵌結合
で構成されていること、を特徴とする請求項１に記載の
手動操作機構。2. The revolving lock mechanism includes a non-circular hole formed in a bottom portion of a housing and a movable member, and a non-circular boss which is integrally formed with a manually operated knob and which is loosely fitted in the non-circular hole. The manual operation mechanism according to claim 1, wherein the manual operation mechanism is configured as follows.
動部材と、前記手動操作摘みとは、互いに軸方向に変移
可能で、常態では前記筺体及び可動部材双方と遊嵌結合
されており、手動操作時の手動操作摘み押し込みにより
筺体との遊嵌結合が解放されるよう構成されているこ
と、を特徴とする請求項１及び２に記載の手動操作機
構。3. The housing, a movable member that is loosely fitted concentrically with the housing, and the manually operated knob are axially displaceable with each other, and are normally loosely connected to both the housing and the movable member. The manual operation mechanism according to claim 1 or 2, characterized in that the loose fitting connection with the housing is released by a manual operation knob pushing at the time of manual operation.
レーキ板が設けられ、前記手動操作摘みのボス先端部に
併設されるブレーキシューと離接自在であること、を特
徴とする請求項１，２，３に記載の手動操作機構。4. A brake plate is provided at a rear portion of a rotor shaft of the drive motor so that the brake plate can be attached to and detached from a brake shoe provided at a tip end portion of a boss of the manual operation knob. The manual operation mechanism described in 1, 2, and 3.
御する制御回路と共に、前記筺体及び回動部材の内部に
配置されていること、を特徴とする請求項１〜４に記載
の手動操作機構。5. The manual operation according to claim 1, wherein the driving electric motor is arranged inside the housing and the rotating member together with a control circuit for driving and controlling the electric motor. mechanism.
の接合部は、気密保持構造であること、を特徴とする請
求項１〜５に記載の手動操作機構。6. The manual operation mechanism according to claim 1, wherein a joint portion between the housing and the manual operation knob / load device has an airtight holding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7146970A JP2888329B2 (en) | 1995-05-23 | 1995-05-23 | Manual operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7146970A JP2888329B2 (en) | 1995-05-23 | 1995-05-23 | Manual operation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08312729A true JPH08312729A (en) | 1996-11-26 |
| JP2888329B2 JP2888329B2 (en) | 1999-05-10 |
Family
ID=15419700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7146970A Expired - Fee Related JP2888329B2 (en) | 1995-05-23 | 1995-05-23 | Manual operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2888329B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017052029A1 (en) * | 2015-09-24 | 2017-03-30 | 조광호 | One-way reduction gear |
| KR20170036448A (en) * | 2015-09-24 | 2017-04-03 | 조광호 | One-way reducer |
| CN109253214A (en) * | 2018-10-29 | 2019-01-22 | 深圳市罗曼斯科技有限公司 | A kind of emergency gearbox |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54148961A (en) * | 1978-04-08 | 1979-11-21 | Keystone Int | Transmission gear for power and manual operation |
| JPS6225360U (en) * | 1985-07-30 | 1987-02-16 | ||
| JPH05263565A (en) * | 1992-03-17 | 1993-10-12 | Tostem Corp | Manually operating mechanism for top light opening-closing device |
-
1995
- 1995-05-23 JP JP7146970A patent/JP2888329B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54148961A (en) * | 1978-04-08 | 1979-11-21 | Keystone Int | Transmission gear for power and manual operation |
| JPS6225360U (en) * | 1985-07-30 | 1987-02-16 | ||
| JPH05263565A (en) * | 1992-03-17 | 1993-10-12 | Tostem Corp | Manually operating mechanism for top light opening-closing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017052029A1 (en) * | 2015-09-24 | 2017-03-30 | 조광호 | One-way reduction gear |
| KR20170036448A (en) * | 2015-09-24 | 2017-04-03 | 조광호 | One-way reducer |
| CN109253214A (en) * | 2018-10-29 | 2019-01-22 | 深圳市罗曼斯科技有限公司 | A kind of emergency gearbox |
| CN109253214B (en) * | 2018-10-29 | 2023-09-08 | 深圳市罗漫斯智能家居有限公司 | Emergency gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2888329B2 (en) | 1999-05-10 |
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| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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