JPH08121687A - Tripod opening/closing mechanism - Google Patents
Tripod opening/closing mechanismInfo
- Publication number
- JPH08121687A JPH08121687A JP28006794A JP28006794A JPH08121687A JP H08121687 A JPH08121687 A JP H08121687A JP 28006794 A JP28006794 A JP 28006794A JP 28006794 A JP28006794 A JP 28006794A JP H08121687 A JPH08121687 A JP H08121687A
- Authority
- JP
- Japan
- Prior art keywords
- leg
- locking
- locking lever
- closing mechanism
- base
- 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
Landscapes
- Accessories Of Cameras (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、カメラ等の種々の装置
を支持する三脚に用いられるものであって、基台に三本
の脚体を軸支して所定の角度に開閉自在としてなる三脚
の開閉機構に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for a tripod that supports various devices such as a camera, and can be opened and closed at a predetermined angle by pivotally supporting three legs on a base. Regarding the opening / closing mechanism of a tripod.
【0002】[0002]
【従来の技術】一般に三脚は雲台を取付ける基台に三本
の脚体を枢着し、各脚体を開閉自在としたものである。
このような三脚における従来の開閉機構として種々のも
のがあるが、各脚体の角度を個々に調節して多様な使い
方をしたい場合には、例えば基台か各脚体のいずれか一
方に突起を設けると共に、他方には突起に係止する止め
具を設け、この止め具を突起に係止させることにより、
脚体の開閉動作を規制してその開閉角度の調節を行って
いた。2. Description of the Related Art Generally, a tripod is one in which three legs are pivotally attached to a base on which a platform is mounted, and each leg can be freely opened and closed.
There are various conventional opening / closing mechanisms for such tripods. However, when it is desired to adjust the angle of each leg individually for various uses, for example, a protrusion is provided on either the base or each leg. By providing a stopper on the other side, which is locked to the projection, and by locking this stopper to the projection,
The leg opening and closing movements were regulated to adjust the opening and closing angle.
【0003】[0003]
【発明が解決しようとする課題】しかしながら従来のこ
のような三脚の開閉機構は、例えば脚体を開く場合には
止め具を外方に引出して突起から離し、脚体を開いた後
に止め具を内方に押入れて再び所定の突起に係止させて
脚体を固定する必要があり、また脚体を閉じる場合にも
開く場合と全く同様の動作を必要とするため、開閉の際
に複数の動作を必要とし、操作に非常に手間を要してい
た。However, in the conventional tripod opening / closing mechanism as described above, for example, when the leg is opened, the stopper is pulled outward and separated from the projection, and the stopper is opened after the leg is opened. It is necessary to push it inward and lock it again with the predetermined projection to fix the leg. Also, when closing the leg, the same operation as when opening it is required, so when opening and closing multiple legs It required movement and was extremely laborious to operate.
【0004】[0004]
【課題を解決するための手段】このような従来の三脚の
開閉機構における問題点を解決するために本発明は、基
台の周面に設けた三つの連係部の各々を脚体の上端の溝
部に納めると共に、支軸を介して軸支することにより、
上記脚体を上記基台に開閉自在に連係してなる三脚の開
閉機構において、上記各連係部の端部周面に上記支軸を
中心とした複数の段部からなる係止部を形成してなり、
上記各脚体の溝部に係止レバーを軸支し、その先端の当
接部が上記連係部の係止部を臨み、かつ、後端の操作部
が外方に突出するよう回動自在に設け、上記係止レバー
にはバネ体を装着して、その先端の当接部を上記係止部
の段部に係脱自在に係止自在としてなることを特徴とし
て構成されている。また請求項2記載の本発明は、上記
請求項1記載の本発明において、上記係止レバーはその
側面形状を略T字形状としてなり、その略中間部を軸支
部とすると共に、該軸支部を中心として回動する両端部
を上記当接部又は操作部としてなることを特徴として構
成されている。SUMMARY OF THE INVENTION In order to solve the problems in the conventional tripod opening / closing mechanism, the present invention includes three linking portions provided on the peripheral surface of the base for connecting the upper ends of the legs. By storing it in the groove and supporting it through the support shaft,
In a tripod opening / closing mechanism in which the legs are openably and closably linked to each other, a locking portion composed of a plurality of stepped portions centering on the spindle is formed on an end peripheral surface of each linking portion. Tena,
A locking lever is pivotally supported in the groove of each leg, the abutting portion of the tip of the locking lever faces the locking portion of the linking portion, and the operation portion at the rear end is rotatable so as to project outward. A spring is attached to the locking lever, and the abutting portion at the tip of the spring is releasably locked to the stepped portion of the locking portion. According to a second aspect of the present invention, in addition to the first aspect of the present invention, the locking lever has a substantially T-shaped side surface, and a substantially intermediate portion thereof serves as a shaft supporting portion, and the shaft supporting portion. Both end portions that rotate around the center are used as the contact portion or the operation portion.
【0005】[0005]
【実施例】以下、本発明の三脚の開閉機構の一実施例に
ついて、図面を参照して詳細に説明する。図1は本実施
例の全体斜視図、図2は図1の要部拡大図、図3は図2
の側面図である。これら各図において本実施例は、基台
1の周面に設けた三つの連係部2,2の各々を脚体3の
上端の溝部4に納めると共に、支軸5を介して軸支する
ことにより、上記脚体3を上記基台1に開閉自在に連係
してなるものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a tripod opening / closing mechanism of the present invention will be described in detail below with reference to the drawings. 1 is an overall perspective view of this embodiment, FIG. 2 is an enlarged view of a main part of FIG. 1, and FIG.
FIG. In each of these drawings, according to the present embodiment, each of the three linking portions 2 and 2 provided on the peripheral surface of the base 1 is housed in the groove portion 4 at the upper end of the leg body 3 and is pivotally supported via the support shaft 5. Thus, the leg 3 is linked to the base 1 so as to be openable and closable.
【0006】上記各連係部2は短杆状の部材で、上記基
台1の周囲に配置される三本の上記脚体3に適合して三
つ設けると共に、上記基台1を中心として放射状に配置
してある。一方、各脚体3は円筒状に形成されてなるも
ので、図4に示すように、その上端部を方形短杆状の脚
頭部3Aに納めてなる。この脚頭部3Aには、上方に開
放した上記溝部4が形成してあり、この溝部4の上方に
上記連係部2を嵌合すると共に、該連係部2を貫通する
上記支軸5を側方より挿貫することにより、この脚頭部
3Aを介して上記各脚体3を上記基台1に開閉自在に連
係してある。なお本実施例においては、各脚体3を脚頭
部3Aを介して上記基台1に開閉自在に連係してある
が、各脚体3の上端部に上記溝部4を直接形成して、脚
頭部3Aを介することなく各脚体3を上記基台1に連係
しても効果は同様である。これら基台1、各連係部2、
各脚体3及び脚頭部3Aは、アルミニウム等の軽量金属
や硬質樹脂等より形成する。Each of the linking portions 2 is a member having a short rod shape, and is provided with three in conformity with the three legs 3 arranged around the base 1, and the base 1 is radially arranged around the base 1. It is located at. On the other hand, each leg 3 is formed in a cylindrical shape, and its upper end is housed in a leg portion 3A having a rectangular short rod shape, as shown in FIG. The leg portion 3A is formed with the groove portion 4 which is opened upward. The link portion 2 is fitted above the groove portion 4 and the support shaft 5 penetrating the link portion 2 is provided on the side. Each leg 3 is openably and closably linked to the base 1 through the leg head 3A by inserting the leg head 3A. In this embodiment, each leg 3 is openably and closably linked to the base 1 via the leg head 3A, but the groove 4 is directly formed at the upper end of each leg 3, Even if each leg 3 is linked to the base 1 without the leg head 3A, the same effect is obtained. These base 1, each linking part 2,
The legs 3 and the leg head 3A are made of a light metal such as aluminum or a hard resin.
【0007】上記各連係部2の端部周面には上記支軸5
を中心とした複数の段部7,7からなる係止部6を形成
している。すなわち上記各連係部2は、その外方の端部
の周面を上記支軸5を中心とした曲面状としており、こ
の曲面状の周面に略沿って複数の段部7,7を形成して
ある。この複数の段部7,7は、上記支軸5の径方向に
突出させると共に、この径方向に沿った面を上記脚体3
側に向けるように形成してあり、上記支軸5からの突出
高さが上段側のものほど高くなるようにしてある。The spindle 5 is provided on the peripheral surface of the end of each of the link portions 2.
The locking portion 6 is formed of a plurality of step portions 7, 7 centered on the center. That is, each of the linking portions 2 has a curved outer surface at the outer end thereof with the support shaft 5 as the center, and a plurality of step portions 7, 7 are formed substantially along the curved peripheral surface. I am doing it. The plurality of stepped portions 7, 7 are projected in the radial direction of the support shaft 5, and the surfaces along the radial direction are formed on the leg body 3.
It is formed so as to be directed to the side, and the protruding height from the support shaft 5 is set to be higher on the upper side.
【0008】上記各脚体3の脚頭部3Aの溝部4に係止
レバー8を軸支してある。この係止レバー8はその側面
形状を略T字形状としてなるもので、上記溝部4側に延
出した略中間部を軸支部11とすると共に、該軸支部1
1を中心として回動する両端部を上記当接部12又は操
作部13とし、上記溝部4に嵌合されると共に、その軸
支部11においてレバー軸10を介して軸支してある。
このように係止レバー8の側面形状を略T字形状とし
て、中間部を軸支部11とすると共に、該軸支部11を
中心として回動する両端部を上記当接部12又は操作部
13としたので、この操作部13を押圧することにより
を軸支部11を支点として当接部12を大きく回動させ
ることができ、操作部13の操作を簡易化して操作性を
一層向上させることができる。A locking lever 8 is pivotally supported in the groove portion 4 of the leg head portion 3A of each leg body 3. The locking lever 8 has a substantially T-shaped side surface, and a substantially intermediate portion extending toward the groove portion 4 serves as a shaft supporting portion 11 and the shaft supporting portion 1
Both end portions that rotate around 1 are used as the contact portion 12 or the operation portion 13, are fitted into the groove portion 4, and are axially supported by the shaft support portion 11 via the lever shaft 10.
Thus, the side shape of the locking lever 8 is substantially T-shaped, the middle portion is the shaft support portion 11, and both end portions that rotate around the shaft support portion 11 are the contact portion 12 or the operation portion 13. Therefore, by pressing the operation portion 13, the contact portion 12 can be largely rotated around the shaft support portion 11 as a fulcrum, and the operation of the operation portion 13 can be simplified and the operability can be further improved. .
【0009】上記係止レバー8は、その先端の当接部1
2が上記連係部2の係止部6を臨み、かつ、後端の操作
部13が外方に突出するよう回動自在に設けている。す
なわち上記係止レバー8が軸支部11を中心として回動
することにより、上記当接部12が軸支部11を中心と
した円軌道上を動くと共に、この円軌道上に位置する上
記連係部2の係止部6に向かって回動し、上記脚頭部3
Aの支軸5側方において、その当接部12の当接面を上
記係止部6の段部7の当接面に当接させる。また上記軸
支部11を挟んで当接部12と対峙する操作部13は、
上記脚頭部3Aの溝部4より常時外方に突出しつつ、上
記レバー軸10を中心として回動自在とされている。こ
のように係止レバー8を各脚体3の脚頭部3Aの溝部4
に軸支し、その操作部13を外方に突出させることによ
り、各脚体3の上部を掴んだ時に係止レバー8の操作部
13を親指の内側に位置させることができ、容易に係止
レバー8を操作できてより一層操作性の向上を図ること
ができる。なお係止レバー8の後方には回止部14を上
記脚頭部3A側に突出するように設けてあり、この回止
部14を上記脚頭部3Aの側面に当接自在とすることに
より係止レバー8の回動動作を規制自在としてある。ま
たこのように回止部14が当接した時点で上記当接部1
2が上記係止部6の最上部に位置するようにしてあり、
係止レバー8を必要以上に回動させることのないように
してある。The locking lever 8 has an abutting portion 1 at its tip.
2 is rotatably provided so that the locking portion 6 of the linking portion 2 is exposed and the operation portion 13 at the rear end projects outward. That is, when the locking lever 8 rotates about the shaft supporting portion 11, the contact portion 12 moves on a circular orbit centered on the shaft supporting portion 11 and the linking portion 2 located on the circular orbit. It rotates toward the locking portion 6 of the
On the side of the support shaft 5 of A, the contact surface of the contact portion 12 is brought into contact with the contact surface of the step portion 7 of the locking portion 6. In addition, the operation portion 13 that faces the contact portion 12 with the shaft support portion 11 interposed therebetween is
It is rotatable about the lever shaft 10 while always protruding outward from the groove 4 of the leg head 3A. In this way, the locking lever 8 is connected to the groove 4 of the leg head 3A of each leg 3.
The operation portion 13 of the locking lever 8 can be positioned inside the thumb when the upper portion of each leg body 3 is grasped by pivotally supporting the operation portion 13 on the outside and projecting the operation portion 13 outward. Since the stop lever 8 can be operated, the operability can be further improved. A detent portion 14 is provided at the rear of the locking lever 8 so as to project toward the leg head 3A side. By making the detent portion 14 abuttable on the side surface of the leg head 3A, The rotation operation of the locking lever 8 can be freely regulated. Further, when the detent portion 14 abuts in this manner, the abutting portion 1
2 is located at the top of the locking portion 6,
The locking lever 8 is prevented from being rotated more than necessary.
【0010】上記係止レバー8にはバネ体9を装着し
て、その当接部12を上記係止部6の段部7に係脱自在
に係止自在としてなる。すなわち上記係止レバー8の支
軸たる上記レバー軸10には巻きバネたるバネ体9が設
けられており、このバネ体9により上記係止レバー8が
上記係止部6の段部7への係止方向に付勢され、その当
接部12が常時上記段部7に押当てられている。また上
記係止レバー8を上記バネ体9の付勢力に抗して回動さ
せることによりその当接部12が上記段部7から遠ざけ
られ、係脱自在とされている。なお、バネ体9は巻きバ
ネの他、板バネや硬質ゴムより形成されてもよく、上記
係止レバー8に上記係止部6への付勢力を与え得るもの
であれば同様の効果を奏する。A spring body 9 is mounted on the locking lever 8 so that its abutting portion 12 can be engaged with and disengageably engaged with the stepped portion 7 of the engaging portion 6. That is, the lever shaft 10, which is a support shaft of the locking lever 8, is provided with a spring body 9 which is a winding spring, and the spring body 9 causes the locking lever 8 to move to the step portion 7 of the locking portion 6. The contact portion 12 is biased in the locking direction and is constantly pressed against the stepped portion 7. Further, by rotating the locking lever 8 against the urging force of the spring body 9, the abutting portion 12 thereof is moved away from the step portion 7 and can be engaged and disengaged. The spring body 9 may be formed of a leaf spring or a hard rubber in addition to the winding spring, and similar effects can be obtained as long as the biasing force to the locking portion 6 can be applied to the locking lever 8. .
【0011】次に本実施例における三脚の開閉動作につ
いて説明する。図3に示すのは最も普通に使用される開
脚状態であり、この状態においては上記係止レバー8の
当接部12が上記係止部6の複数の段部7のうちの最も
下段側の段部7に当接し、係止されている。この状態に
おいて、上記係止レバー8の操作部13を押圧すること
により、上記係止レバー8が上記レバー軸10を中心と
して回動し、上記当接部12が上記段部7より遠ざけら
れて係脱状態となり、この状態を維持しつつ各脚体3を
外方へ開き、各脚体3が任意の位置になったら係止レバ
ー8の操作部13への押圧をやめることにより、この係
止レバー8が上記バネ体9の付勢力により自動的に回動
し、係止レバー8の当接部12が係止部6の上段側の段
部7に当接係止して各脚体3を固定でき、図4に示すよ
うな最も脚体を開いた状態とできる。すなわち係止部6
から係脱させた係止レバー8を各脚体3が任意の位置に
なった時点で離すだけでバネ体9の力により自動的に係
止部6に係止させることとでき、各脚体3をワンタッチ
で開らくことができて三脚の操作性を飛躍的に向上させ
ることができる。Next, the opening / closing operation of the tripod in the present embodiment will be described. FIG. 3 shows the most commonly used open-leg state, in which the contact portion 12 of the locking lever 8 is the lowermost step side of the plurality of step portions 7 of the locking portion 6. It contacts the stepped portion 7 and is locked. In this state, by pressing the operation portion 13 of the locking lever 8, the locking lever 8 rotates about the lever shaft 10, and the contact portion 12 is moved away from the step portion 7. The engagement / disengagement state is maintained. While maintaining this state, each leg body 3 is opened outward, and when each leg body 3 reaches an arbitrary position, the pressing of the locking lever 8 to the operation portion 13 is stopped, so that this engagement The stop lever 8 is automatically rotated by the urging force of the spring body 9, and the contact portion 12 of the locking lever 8 contacts and locks with the step portion 7 on the upper side of the locking portion 6 so that each leg body 3 can be fixed, and the legs can be in the most opened state as shown in FIG. That is, the locking portion 6
The locking lever 8 disengaged from the legs can be automatically locked to the locking portion 6 by the force of the spring body 9 only by releasing the legs 3 when the legs 3 reach arbitrary positions. 3 can be opened with one touch, and the operability of the tripod can be dramatically improved.
【0012】一方、図4に示すような最も脚体を開いた
状態において、何ら係止レバー8に触れることなく、上
記各脚体3を内方に押圧することにより、係止レバー8
の当接部12が上記バネ体9の付勢力に抗して各段部7
上を順次滑り落ち、この当接部12が上記係止部6の最
も下段側の段部7に自動的に当接し係止されて、図3に
示す最も普通に使用される開脚状態にすることができ
る。またこの状態においてさらに上記各脚体3を内方に
押圧すれば、係止レバー8の当接部12に連係部2の端
部周面の段部7の設けられていない面を滑らせつつ、各
脚体3を略垂直状となるまで閉じることができ、各脚体
3を折畳み状態とすることができる。すなわち各脚体3
を内側に閉じるだけで係止レバー8が係止部6の段部7
上を順次滑り落ちることとして係止状態を自動的に解除
でき、特別な操作をすることなく各脚体3を閉じること
ができて操作性を向上させることができる。On the other hand, in the state in which the legs are most opened as shown in FIG. 4, the levers 3 are pushed inward without touching the latch levers 8 to push the levers 8 inward.
The abutting portion 12 of each of the step portions 7 resists the biasing force of the spring body 9.
Sliding down one by one, the abutting portion 12 is automatically abutted and locked to the lowermost step 7 of the locking portion 6, and the most commonly used open leg state shown in FIG. 3 is obtained. can do. Further, in this state, if each leg 3 is further pushed inward, the contact portion 12 of the locking lever 8 slides on the end peripheral surface of the linking portion 2 on which the step portion 7 is not provided. The legs 3 can be closed until the legs 3 become substantially vertical, and the legs 3 can be folded. That is, each leg 3
The locking lever 8 to close the step portion 7 of the locking portion 6
The locked state can be automatically released by sliding down the top one by one, and each leg 3 can be closed without any special operation, thus improving the operability.
【0013】[0013]
【発明の効果】上記したように本発明は、各連係部の端
部周面に支軸を中心とした複数の段部からなる係止部を
形成してなり、各脚体の溝部に係止レバーを軸支して、
その先端の当接部が連係部の係止部を臨み、かつ、後端
の操作部が外方に突出状に回動自在に設け、係止レバー
にはバネ体を装着して、その当接部を係止部の段部に係
脱自在に係止自在としてなることにより、係止部から係
脱させた係止レバーを脚体が任意の位置になった時点で
離すだけでバネ体の力により自動的に係止部に係止させ
ることとでき、各脚体をワンタッチで開らくことができ
て三脚の操作性を飛躍的に向上させることができるとい
う効果がある。As described above, according to the present invention, the engaging portion formed of a plurality of stepped portions centering on the support shaft is formed on the peripheral surface of the end of each linking portion, and the engaging portion is engaged with the groove portion of each leg. Support the stop lever,
The abutting part at the tip faces the locking part of the linking part, and the operating part at the rear end is provided rotatably outwardly in a protruding manner. Since the contact part can be engaged and disengaged with the step part of the locking part, the spring body can be simply released by releasing the locking lever that is engaged and disengaged from the locking part when the leg is at an arbitrary position. The force can be automatically locked to the locking portion, and each leg can be opened with one touch, and the operability of the tripod can be dramatically improved.
【0014】しかも本発明は、各連係部の端部周面に係
止部を形成してなり、各脚体の溝部に係止レバーを軸支
して、その先端の当接部が連係部の係止部を臨み、か
つ、後端の操作部が外方に突出状に回動自在に設けら
れ、係止レバーにはバネ体を装着して、その当接部を係
止部の段部に係脱自在に係止自在としてなることによ
り、各脚体を内側に閉じるだけで係止レバーが係止部の
段部上を順次滑り落ちることとして係止状態を自動的に
解除でき、特別な操作をすることなく各脚体を閉じるこ
とができて操作性を向上させることができる。Further, according to the present invention, the engaging portion is formed on the peripheral surface of the end portion of each linking portion, the engaging lever is pivotally supported in the groove portion of each leg, and the abutting portion at the tip thereof is the linking portion. The locking lever is provided with a spring body mounted on the locking lever, and the abutting portion of the operating portion at the rear end is provided so as to project outward. Since it can be engaged and disengaged with the locking part, the locking state can be automatically released simply by closing each leg inward so that the locking lever slides down on the stepped part of the locking part automatically. It is possible to close each leg without performing a manual operation and improve operability.
【0015】さらに本発明は、係止レバーを各脚体の上
端部の溝部に軸支し、その操作部を外方に突出状とする
ことにより、各脚体の上部を掴んだ時に係止レバーの操
作部を親指の内側に位置させることができ、容易に係止
レバーを操作できてより一層操作性の向上を図ることが
できる。Further, according to the present invention, the locking lever is pivotally supported in the groove of the upper end portion of each leg and the operating portion thereof is formed to project outward so that the upper portion of each leg is locked. The operating portion of the lever can be located inside the thumb, the locking lever can be easily operated, and the operability can be further improved.
【0016】さらにまた本発明は、係止レバーは側面形
状を略T字形状として、略中間部を軸支部とすると共
に、該軸支部を中心として回動する両端部を当接部や操
作部としてなる場合には、操作部を押圧することにより
を軸支部を支点として当接部を大きく回動させることが
でき、操作部の操作を簡易化して操作性を一層向上させ
ることができる。Still further, according to the present invention, the side surface of the locking lever is substantially T-shaped, the substantially middle portion is a shaft supporting portion, and both end portions which rotate around the shaft supporting portion are abutting portions or operating portions. In such a case, by pressing the operation portion, the contact portion can be largely rotated around the pivotal support portion as a fulcrum, and the operation of the operation portion can be simplified to further improve the operability.
【図面の簡単な説明】[Brief description of drawings]
【図1】本発明の一実施例の全体斜視図である。FIG. 1 is an overall perspective view of an embodiment of the present invention.
【図2】図1の要部拡大図である。FIG. 2 is an enlarged view of a main part of FIG.
【図3】図2の側面図である。FIG. 3 is a side view of FIG.
【図4】各脚体を最も開いた状態における要部側面図で
ある。FIG. 4 is a side view of a main part in a state in which each leg is most opened.
【図5】図2の分解斜視図である。FIG. 5 is an exploded perspective view of FIG.
1 基台 2 連係部 3 脚体 3A 脚頭部 4 溝部 5 支軸 6 係止部 7 段部 8 係止レバー 9 バネ体 10 レバー軸 11 軸支部 12 当接部 13 操作部 14 回止部 1 Base 2 Linkage 3 Leg 3A Leg 4 Groove 5 Support shaft 6 Locking part 7 Step 8 Locking lever 9 Spring body 10 Lever shaft 11 Shaft support 12 Abutment 13 Operation part 14 Rotation stop
Claims (2)
を脚体の上端の溝部に納めると共に、支軸を介して軸支
することにより、上記脚体を上記基台に開閉自在に連係
してなる三脚の開閉機構において、 上記各連係部の端部周面に上記支軸を中心とした複数の
段部からなる係止部を形成してなり、 上記各脚体の溝部に係止レバーを軸支し、その先端の当
接部が上記連係部の係止部を臨み、かつ、後端の操作部
が外方に突出するよう回動自在に設け、 上記係止レバーにはバネ体を装着して、その当接部を上
記係止部の段部に係脱自在に係止自在としてなることを
特徴とする三脚の開閉機構。1. The leg body is opened and closed on the base by fitting each of the three linking portions provided on the peripheral surface of the base into a groove at the upper end of the leg and pivotally supporting the leg through the support shaft. In a tripod opening / closing mechanism that is freely linked, a locking portion including a plurality of stepped portions centering on the spindle is formed on an end peripheral surface of each linking portion, and a groove portion of each leg is formed. The locking lever is rotatably provided such that the abutment portion at its tip faces the locking portion of the linking portion and the operation portion at the rear end projects outward. A tripod opening / closing mechanism, characterized in that a spring body is attached to and a contact portion of the spring body is engageably and disengageably engageable with a step portion of the engagement portion.
形状としてなり、その略中間部を軸支部とすると共に、
該軸支部を中心として回動する両端部を上記当接部又は
操作部としてなることを特徴とする上記請求項1記載の
三脚の開閉機構。2. The locking lever has a substantially T-shaped side surface, and a substantially intermediate portion thereof serves as a shaft support portion, and
The tripod opening / closing mechanism according to claim 1, wherein both end portions that rotate around the shaft support portion serve as the contact portion or the operation portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28006794A JP2696493B2 (en) | 1994-10-19 | 1994-10-19 | Tripod opening / closing mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28006794A JP2696493B2 (en) | 1994-10-19 | 1994-10-19 | Tripod opening / closing mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08121687A true JPH08121687A (en) | 1996-05-17 |
JP2696493B2 JP2696493B2 (en) | 1998-01-14 |
Family
ID=17619847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28006794A Expired - Lifetime JP2696493B2 (en) | 1994-10-19 | 1994-10-19 | Tripod opening / closing mechanism |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2696493B2 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000018489A (en) * | 1998-07-01 | 2000-01-18 | Nippon Berubon Seiki Kogyo Kk | Tripod |
KR20010010316A (en) * | 1999-07-19 | 2001-02-05 | 정휘복 | Device For Controlling Angular Position In Camera Tripod Leg |
US6820845B2 (en) * | 2002-06-21 | 2004-11-23 | Nihon Velbon Seiki Kogyo Kabushiki Kaisha | Tripod |
CN103216713A (en) * | 2012-01-19 | 2013-07-24 | 冠捷投资有限公司 | Detachable connecting device |
JP2015534136A (en) * | 2012-11-21 | 2015-11-26 | 中山立信摂影器材有限公司Lap Shun Manufacture Co.,Ltd | Camera support |
JP2016218283A (en) * | 2015-05-21 | 2016-12-22 | スリック株式会社 | tripod |
US10612719B2 (en) | 2017-06-30 | 2020-04-07 | Guangdong Sirui Optical Co., Ltd. | Tripod button mechanism and a tripod |
-
1994
- 1994-10-19 JP JP28006794A patent/JP2696493B2/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000018489A (en) * | 1998-07-01 | 2000-01-18 | Nippon Berubon Seiki Kogyo Kk | Tripod |
KR20010010316A (en) * | 1999-07-19 | 2001-02-05 | 정휘복 | Device For Controlling Angular Position In Camera Tripod Leg |
US6820845B2 (en) * | 2002-06-21 | 2004-11-23 | Nihon Velbon Seiki Kogyo Kabushiki Kaisha | Tripod |
CN103216713A (en) * | 2012-01-19 | 2013-07-24 | 冠捷投资有限公司 | Detachable connecting device |
JP2015534136A (en) * | 2012-11-21 | 2015-11-26 | 中山立信摂影器材有限公司Lap Shun Manufacture Co.,Ltd | Camera support |
JP2016218283A (en) * | 2015-05-21 | 2016-12-22 | スリック株式会社 | tripod |
US10612719B2 (en) | 2017-06-30 | 2020-04-07 | Guangdong Sirui Optical Co., Ltd. | Tripod button mechanism and a tripod |
Also Published As
Publication number | Publication date |
---|---|
JP2696493B2 (en) | 1998-01-14 |
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