JPH1124773A - Grip device - Google Patents

Grip device

Info

Publication number
JPH1124773A
JPH1124773A JP18334697A JP18334697A JPH1124773A JP H1124773 A JPH1124773 A JP H1124773A JP 18334697 A JP18334697 A JP 18334697A JP 18334697 A JP18334697 A JP 18334697A JP H1124773 A JPH1124773 A JP H1124773A
Authority
JP
Japan
Prior art keywords
grip
peripheral length
bellows
finger
signal
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
JP18334697A
Other languages
Japanese (ja)
Inventor
Masanori Motoda
正則 元田
Takashi Hirose
孝士 広瀬
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP18334697A priority Critical patent/JPH1124773A/en
Publication of JPH1124773A publication Critical patent/JPH1124773A/en
Pending legal-status Critical Current

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  • Mechanical Control Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To reduce the fatigue of fingers by changing the state of fingers grasping a grip part by providing the grip part with a surrounding length change part for changing a surrounding length. SOLUTION: When a switch 13 is turned on, it is detected by an ON/OFF signal detecting part 15. When the ON/OFF signal detecting part 15 detects an ON signal three times, a signal for opening an air valve 17 is sent from a counter valve 16, the air valve 17 is opened, and compressed air flows through a compressed air supply path 18 into a bellows part 12b at a surrounding length change part 12. When the compressed air flows into the hollow part of the bellows part 12b, the bellows part 12b is instantaneously extended across the lengthwise direction of a grip part 11 and a pad part 12a in contact with the bellows part 12b is extruded. Since the pad part 12a is instantaneously extruded, the surrounding length of the surrounding length change part 12 is instantaneously extended. Since there are pore parts for air release at the bellows part 12b, air extending the bellows part 12 is released outside.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、グリップ装置に関
する。
[0001] The present invention relates to a grip device.

【0002】[0002]

【従来の技術】インパクトレンチや溶接機械などの作業
者が機械に直接触れて操作する各種機械のグリップ部
(把持部)には、機械本体から作業者の手に振動が伝わ
るのを緩和するためにゴム素材からなるハンドルカバー
が取り付けられることが、たとえば実開昭63−133
33号などにより知られている。
2. Description of the Related Art The grip portion (grip portion) of various machines operated by an operator such as an impact wrench or a welding machine by directly touching the machine is used to reduce transmission of vibration from the machine body to the operator's hand. A handle cover made of a rubber material is attached to the vehicle.
No. 33 and the like.

【0003】[0003]

【発明が解決しようとする課題】しかし、作業者が機械
を操作している間は、指をほとんど動かすことなく常に
同じ状態にして機械のグリップ部を握り続けることにな
り、たとえグリップ部がゴム素材からできていても、作
業時間が長くなるにつれて作業者はグリップ部を握り続
けることから生じる指の疲れを感じ、作業性が低下する
ことになる。本発明の目的は、グリップ部を握って作業
をし続ける場合に伴う指の疲労を軽減することのできる
グリップ装置を提供することにある。
However, while the operator is operating the machine, the operator always keeps the same state with little movement of his / her finger and continues to hold the grip portion of the machine. Even if it is made of a material, as the working time becomes longer, the worker feels the fatigue of the finger caused by keeping the grip part, and the workability is reduced. An object of the present invention is to provide a grip device that can reduce the fatigue of a finger when the user continues to work while holding the grip portion.

【0004】[0004]

【課題を解決するための手段】上記目的を達成する本発
明はつぎの通りである。 (1) グリップ部と、該グリップ部の周囲長さが変化
する周囲長さ変化部を備えたグリップ装置。 (2) 前記グリップ部はスイッチを有し、該スイッチ
のON−OFF信号に応じて周囲長さ変化部が作動して
前記グリップ部の周囲長さを変化させる(1)記載のグ
リップ装置。 (3) 前記周囲長さ変化部はグリップ部の長手方向と
交差する方向に伸縮可能で、かつ中空部を有し、該中空
部に圧縮流体が供給・排出されることにより周囲長さ変
化部が伸縮してグリップ部の周囲長さを変化させる
(1)または(2)記載のグリップ装置。
The present invention to achieve the above object is as follows. (1) A grip device including a grip portion and a peripheral length changing portion in which a peripheral length of the grip portion changes. (2) The grip device according to (1), wherein the grip unit has a switch, and a peripheral length changing unit operates in response to an ON / OFF signal of the switch to change the peripheral length of the grip unit. (3) The peripheral length changing portion is expandable and contractible in a direction intersecting with the longitudinal direction of the grip portion, has a hollow portion, and is supplied with and discharged from the hollow portion with a compressed fluid to change the peripheral length changing portion. The grip device according to (1) or (2), wherein the peripheral length of the grip portion changes by expanding and contracting.

【0005】上記(1)のグリップ装置では、グリップ
部の周囲長さ変化部の周囲長さが変化し、周囲長さ変化
部の周囲長さが長くなった場合にはグリップ部を握る指
が拡げられて指の状態が変化するため、グリップ部を握
る指の疲労を軽減できる。上記(2)のグリップ装置で
は、(1)に加えて、周囲長さ変化部はスイッチのON
−OFF信号に応じて作動するため、任意のタインミン
グでグリップ部の周囲長さ変化部の周囲長さを変化させ
ることができる。上記(3)のグリップ装置では、
(1)、(2)に加えて、周囲長さ変化部はその中空部
に圧縮流体が供給・排出されることによりグリップ部の
長手方向と交差する方向に伸縮され、簡易な機構でグリ
ップ部の周囲長さ変化部の周囲長さを変化させることが
できる。
[0005] In the grip device of the above (1), the peripheral length of the peripheral length change portion of the grip portion changes, and when the peripheral length of the peripheral length change portion becomes longer, a finger gripping the grip portion is required. Since the finger is expanded and the state of the finger changes, fatigue of the finger holding the grip can be reduced. In the grip device of the above (2), in addition to the above (1), the peripheral length change portion is turned on by a switch.
Since the operation is performed in response to the -OFF signal, the peripheral length of the grip length changing portion can be changed at an arbitrary timing. In the grip device of the above (3),
In addition to (1) and (2), the peripheral length change portion is expanded and contracted in a direction intersecting the longitudinal direction of the grip portion by supplying and discharging compressed fluid to the hollow portion, and the grip portion is provided with a simple mechanism. Can change the perimeter of the perimeter.

【0006】[0006]

【発明の実施の形態】図1は本発明の実施例に係るグリ
ップ装置を示し、図2は本発明の実施例のグリップ装置
のグリップ部を作業者が握っている場合を示し、図3は
本発明の実施例のグリップ装置を備えたスポット溶接装
置を示す。本発明の実施例のグリップ装置はインパクト
レンチ、溶接装置などの各種機械に適用可能である。以
下には、スポット溶接装置におけるグリップ装置を例に
とって図1〜図3を参照して説明する。スポット溶接装
置は、治具7上に載せられたワークwの溶接を行なう溶
接装置本体2と、トランス3と、トランス3と溶接装置
本体2を連接する2次ケーブル4と、溶接装置本体2に
連接されたグリップ装置1と、を備える。溶接装置本体
2は治具7の上方に備えられている保持具8から吊るさ
れている。
FIG. 1 shows a grip device according to an embodiment of the present invention, FIG. 2 shows a case where an operator grips a grip portion of the grip device according to the embodiment of the present invention, and FIG. 1 shows a spot welding apparatus provided with a grip device according to an embodiment of the present invention. The grip device according to the embodiment of the present invention is applicable to various machines such as an impact wrench and a welding device. Hereinafter, a grip device in a spot welding device will be described with reference to FIGS. The spot welding device includes a welding device main body 2 for welding a workpiece w placed on a jig 7, a transformer 3, a secondary cable 4 connecting the transformer 3 to the welding device main body 2, and a welding device main body 2. And a connected grip device 1. The welding device main body 2 is suspended from a holder 8 provided above the jig 7.

【0007】本発明の実施例のスポット溶接装置に用い
られているグリップ装置1は、周囲長さが変化する周囲
長さ変化部12を長手方向の少なくとも一部に有する略
棒状のグリップ部11を備えている。
The grip device 1 used in the spot welding apparatus according to the embodiment of the present invention has a substantially rod-shaped grip portion 11 having a peripheral length changing portion 12 whose peripheral length changes in at least a part of the longitudinal direction. Have.

【0008】周囲長さ変化部12は、たとえばその内部
の圧力が増減することによって周囲長さが変化する。図
1に示す周囲長さ変化部12は、グリップ部11を握る
3本の指(中指、薬指、小指)を位置させることができ
る3つの凹部が形成されたゴム素材からなるパッド部1
2aと、パッド部12aに連接し、パッド部12aをグ
リップ部11の長手方向と交差する方向(たとえば、グ
リップ部11の長手方向と直交する方向)に押し出しあ
るいは後退させるように伸縮し、小さい空気抜け孔部を
備えた、内部が中空のジャバラ部12bとを有する。ジ
ャバラ部12bには圧縮エア供給路18が接続されてい
る。圧縮エア供給路18はエアバルブ17を介して図示
されないエア供給源(たとえば、工場エア源)から圧縮
エアをジャバラ部12b内に供給する。圧縮エアがジャ
バラ部12b内に流入するとジャバラ部12bは伸び、
ジャバラ部12bに連接されたパッド部12aがグリッ
プ部11の長手方向と交差する方向に押し出され(図1
では押し出された後のパッド部の位置を一点鎖線で示し
ている)、その結果、周囲長さ変化部12においてグリ
ップ部11の周囲長さが変化する。また、周囲長さ変化
部12の内部の圧力を増減させるには、周囲長さ変化部
12内に電気発熱体を配置することも可能である。発熱
体が発熱することで内圧が高められ周囲長さ変化部12
の周囲長さが変化する。
[0008] The peripheral length of the peripheral length changing portion 12 changes, for example, when the internal pressure increases or decreases. The peripheral length changing portion 12 shown in FIG. 1 is a pad portion 1 made of a rubber material in which three concave portions are formed on which three fingers (a middle finger, a ring finger, and a little finger) holding the grip portion 11 can be located.
2a and the pad portion 12a, the pad portion 12a is expanded and contracted so as to be pushed or retracted in a direction intersecting the longitudinal direction of the grip portion 11 (for example, a direction orthogonal to the longitudinal direction of the grip portion 11), and small air A bellows portion 12b having a hollow portion and having a hollow inside is provided. A compressed air supply passage 18 is connected to the bellows portion 12b. The compressed air supply path 18 supplies compressed air into the bellows portion 12b from an air supply source (not shown) (for example, a factory air source) via an air valve 17. When the compressed air flows into the bellows portion 12b, the bellows portion 12b extends,
The pad portion 12a connected to the bellows portion 12b is pushed out in a direction intersecting the longitudinal direction of the grip portion 11 (FIG. 1).
The position of the pad portion after being pushed out is indicated by a dashed line). As a result, the peripheral length of the grip portion 11 in the peripheral length changing portion 12 changes. Further, in order to increase or decrease the pressure inside the peripheral length changing section 12, it is possible to arrange an electric heating element in the peripheral length changing section 12. When the heating element generates heat, the internal pressure is increased and the peripheral length change portion 12 is increased.
Changes the perimeter.

【0009】グリップ部11には、グリップ部11を握
る作業者の人指し指で操作可能な位置にスポット溶接装
置本体2を稼働させるためのスイッチ13が設けられて
いる。スイッチ13がONの場合は、グリップ部11内
部の接点が閉じ溶接装置本体電源が導通して溶接装置本
体2によるスポット溶接が行なわれ、スイッチ13がO
FFの場合は、グリップ部11内部の接点が開となり溶
接装置本体電源が非導通となり溶接装置本体2によるス
ポット溶接が停止される。グリップ部11から溶接装置
本体2に延びるケーブル14の途中には、スイッチ13
のON−OFFの操作信号を検知するON−OFF信号
検知部15が設けられる。ON−OFF信号検知部15
により検知されたON、OFF信号は周囲長さ変化部1
2を作動させるタイミングの決定に利用できる。
The grip section 11 is provided with a switch 13 for operating the spot welding apparatus main body 2 at a position operable with the index finger of an operator holding the grip section 11. When the switch 13 is ON, the contact inside the grip portion 11 is closed, the power supply of the welding device main body is conducted, and the spot welding by the welding device main body 2 is performed.
In the case of FF, the contact inside the grip portion 11 is opened, the power supply of the welding device main body is turned off, and the spot welding by the welding device main body 2 is stopped. A switch 13 is provided in the middle of a cable 14 extending from the grip 11 to the welding apparatus main body 2.
An ON-OFF signal detection unit 15 for detecting the ON-OFF operation signal of the first embodiment is provided. ON-OFF signal detector 15
ON / OFF signal detected by the peripheral length changing unit 1
2 can be used to determine the timing of activation.

【0010】たとえば、ON−OFF信号検知部15に
よって検知された信号の回数をカウントして、あらかじ
め設定したON−OFF信号のカウント数に達した場合
にエアバルブ17を開かせるように設定したカウンタバ
ルブ16をON−OFF信号検知部15とエアバルブ1
7の間に設けてもよい。
For example, a counter valve set to count the number of signals detected by the ON-OFF signal detection unit 15 and to open the air valve 17 when the preset count of ON-OFF signals is reached. 16 is an ON-OFF signal detector 15 and the air valve 1
7 may be provided.

【0011】つぎに、上記の作用について説明する。グ
リップ部11のスイッチ13をONすると、グリップ部
11内部の接点が閉じて溶接装置本体2の電源が導通し
てワークwのスポット溶接が行なわれる。スイッチ13
がONの状態となると、ON−OFF信号検知部15は
それを検知する。ON−OFF信号検知部15がON信
号をたとえば、3回検知したときにエアバルブ17を開
とするように設定したカウンタバルブ16が設けられて
いる場合には、ON−OFF信号検知部15がON信号
を3回検知したときに、カウンタバルブ16からエアバ
ルブ17を開とする信号が送られエアバルブ17が開
き、圧縮エアが圧縮エア供給路18を通って、周囲長さ
変化部12のジャバラ部12bに流入する。カウンタバ
ルブ16によって、任意のタイミングでジャバラ部12
bに圧縮エアを流入することができる。圧縮空気がジャ
バラ部12bの中空部に流入すると、ジャバラ部12b
は瞬時にグリップ部11の長手方向と交差する方向に伸
び、ジャバラ部12bに連接しているパッド部12aを
押し出す。パッド部12aが瞬時に押し出されることに
よって、周囲長さ変化部12の周囲長さが瞬間的に大き
くなる。ジャバラ部12bには空気抜けのための小さな
孔部があるため、ジャバラ部12bの中空部に流入して
ジャバラ部12bを伸ばした圧縮空気は孔部から外部に
抜け、ジャバラ部12bは瞬時に再びもとの状態に戻
る。
Next, the above operation will be described. When the switch 13 of the grip unit 11 is turned on, the contact inside the grip unit 11 is closed, the power supply of the welding apparatus main body 2 is conducted, and spot welding of the work w is performed. Switch 13
Is turned on, the ON-OFF signal detection unit 15 detects this. For example, if the ON-OFF signal detection unit 15 is provided with a counter valve 16 that is set to open the air valve 17 when detecting the ON signal three times, the ON-OFF signal detection unit 15 is turned ON. When the signal is detected three times, a signal to open the air valve 17 is sent from the counter valve 16 and the air valve 17 is opened, and the compressed air passes through the compressed air supply path 18 and the bellows portion 12b of the peripheral length changing portion 12 Flows into. The bellows part 12 is set at an arbitrary timing by the counter valve 16.
The compressed air can flow into b. When the compressed air flows into the hollow portion of the bellows portion 12b, the bellows portion 12b
Momentarily extends in a direction intersecting the longitudinal direction of the grip portion 11 and pushes out the pad portion 12a connected to the bellows portion 12b. When the pad portion 12a is pushed out instantaneously, the peripheral length of the peripheral length changing portion 12 instantaneously increases. Since the bellows portion 12b has a small hole for air bleeding, the compressed air flowing into the hollow portion of the bellows portion 12b and extending the bellows portion 12b escapes from the hole portion to the outside, and the bellows portion 12b instantaneously reappears. Return to the original state.

【0012】スポット溶接作業を行なう作業者は、図2
に示すように、人指し指をスイッチ13の位置に掛け、
中指と薬指と小指はパッド部12aの位置に置き、親指
をグリップ部11の側部に沿わせた状態で、スポット溶
接作業中はグリップ装置のグリップ部11を握り込む
(図2に指の位置を一点鎖線で示す)。ジャバラ部12
b内に圧縮空気が流入されていない状態であるため、ジ
ャバラ部12bは充分に縮められた状態になる(図1に
点線で示す)。そして、ジャバラ部12b内に圧縮空気
が流入してパッド部12aが瞬時に押し出されると、中
指と薬指と小指には指を握り込む方向とは逆方向の力が
作用し、中指と薬指と小指は強制的に開かれる(図2に
指の位置を実線で示す)。そして、その後すぐにジャバ
ラ部12bの孔部から圧縮空気が抜けて、ジャバラ部1
2bが縮みパッド部12aがもとの位置に戻るため、作
業者の中指と薬指と小指は最初のグリップ部11を握り
込む状態になる。したがって、作業者がスポット溶接作
業をしている間、グリップ部11の周囲長さ変化部12
の周囲長さが変化して作業者のグリップ部11を握る指
が開かれるため、作業者の指が同じ状態であり続けるこ
とが避けられ、指の疲れを軽減できる。
An operator performing a spot welding operation is shown in FIG.
As shown in the figure, put the index finger on the position of the switch 13,
The middle finger, the ring finger and the little finger are placed at the position of the pad portion 12a, and the thumb is held along the side of the grip portion 11, and the grip portion 11 of the grip device is squeezed during the spot welding operation (finger position in FIG. 2). Is indicated by a chain line). Bellows part 12
Since the compressed air does not flow into b, the bellows portion 12b is in a sufficiently contracted state (shown by a dotted line in FIG. 1). Then, when the compressed air flows into the bellows portion 12b and the pad portion 12a is instantaneously pushed out, a force in the direction opposite to the direction in which the middle finger, the third finger and the little finger are squeezed acts on the middle finger, the third finger and the little finger. Is forcibly opened (the position of the finger is indicated by a solid line in FIG. 2). Immediately thereafter, compressed air escapes from the hole of the bellows portion 12b, and the bellows portion 1
2b contracts and the pad portion 12a returns to its original position, so that the middle finger, ring finger and little finger of the operator grip the first grip portion 11. Therefore, while the operator is performing the spot welding operation, the peripheral length change portion 12 of the grip portion 11 is changed.
Since the circumference of the operator changes and the finger holding the grip portion 11 of the operator is opened, it is possible to prevent the operator's finger from remaining in the same state, and it is possible to reduce finger fatigue.

【0013】[0013]

【発明の効果】請求項1のグリップ装置によれば、周囲
長さが変化する周囲長さ変化部がグリップ部に備えられ
ており、周囲長さが変化することによりグリップ部を握
る指の状態が変化するため、指を同じ状態に保ったまま
でグリップ部を握り続ける場合にくらべて指の疲労は軽
減する。請求項2のグリップ装置によれば、グリップ部
に備えられたスイッチのON−OFF信号に応じて周囲
長さ変化部の周囲長さを任意のタイミングで変化させる
ことができるため、任意のタイミングでグリップ部の周
囲長さ変化部の周囲長さを変化させ、グリップ部を握る
指の状態を変化させてグリップ部を握る指の疲労を軽減
できる。請求項3のグリップ装置によれば、周囲長さ変
化部の中空部に圧縮流体を供給・排出することによる簡
易な機構で、周囲長さ変化部の周囲長さを変化させ、グ
リップ部を握る指の疲労を軽減できる。
According to the grip device of the first aspect, the grip portion is provided with the circumferential length changing portion whose circumferential length changes, and the state of the finger gripping the grip portion by the circumferential length changing. Is changed, so that the fatigue of the finger is reduced as compared with the case where the user keeps holding the grip portion while keeping the finger in the same state. According to the grip device of the second aspect, the peripheral length of the peripheral length changing portion can be changed at an arbitrary timing according to an ON-OFF signal of a switch provided on the grip portion. By changing the peripheral length of the grip length changing portion and changing the state of the finger holding the grip portion, fatigue of the finger holding the grip portion can be reduced. According to the grip device of the third aspect, the peripheral length of the peripheral length changing portion is changed by a simple mechanism by supplying and discharging the compressed fluid to and from the hollow portion of the peripheral length changing portion, and the grip portion is gripped. Finger fatigue can be reduced.

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

【図1】本発明の実施例にグリップ装置の概略側面図で
ある。
FIG. 1 is a schematic side view of a grip device according to an embodiment of the present invention.

【図2】本発明の実施例のグリップ装置のグリップ部を
把持した状態を示す図である。
FIG. 2 is a diagram illustrating a state in which a grip portion of the grip device according to the embodiment of the present invention is gripped.

【図3】本発明の実施例のグリップ装置を取り付けた溶
接装置を示す図である。
FIG. 3 is a view showing a welding device to which the grip device according to the embodiment of the present invention is attached.

【符号の説明】[Explanation of symbols]

1 グリップ装置 11 グリップ部 12 周囲長さ変化部 13 スイッチ DESCRIPTION OF SYMBOLS 1 Grip device 11 Grip part 12 Perimeter change part 13 Switch

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 グリップ部と、該グリップ部の周囲長さ
が変化する周囲長さ変化部を備えたグリップ装置。
1. A grip device comprising a grip portion and a peripheral length changing portion in which a peripheral length of the grip portion changes.
【請求項2】 前記グリップ部はスイッチを有し、該ス
イッチのON−OFF信号に応じて周囲長さ変化部が作
動して前記グリップ部の周囲長さを変化させる請求項1
記載のグリップ装置。
2. The grip section has a switch, and a peripheral length changing section operates in response to an ON / OFF signal of the switch to change the peripheral length of the grip section.
The grip device as described.
【請求項3】 前記周囲長さ変化部はグリップ部の長手
方向と交差する方向に伸縮可能で、かつ中空部を有し、
該中空部に圧縮流体が供給・排出されることにより周囲
長さ変化部が伸縮してグリップ部の周囲長さを変化させ
る請求項1または請求項2記載のグリップ装置。
3. The peripheral length changing portion is extendable and contractible in a direction intersecting with a longitudinal direction of a grip portion, and has a hollow portion.
The grip device according to claim 1 or 2, wherein the peripheral length changing portion expands and contracts to change the peripheral length of the grip portion when the compressed fluid is supplied to and discharged from the hollow portion.
JP18334697A 1997-07-09 1997-07-09 Grip device Pending JPH1124773A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18334697A JPH1124773A (en) 1997-07-09 1997-07-09 Grip device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18334697A JPH1124773A (en) 1997-07-09 1997-07-09 Grip device

Publications (1)

Publication Number Publication Date
JPH1124773A true JPH1124773A (en) 1999-01-29

Family

ID=16134131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18334697A Pending JPH1124773A (en) 1997-07-09 1997-07-09 Grip device

Country Status (1)

Country Link
JP (1) JPH1124773A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040048508A (en) * 2002-12-03 2004-06-10 현대자동차주식회사 Size adjust type button and control device thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040048508A (en) * 2002-12-03 2004-06-10 현대자동차주식회사 Size adjust type button and control device thereof

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