JP6602912B2 - Logging equipment - Google Patents

Logging equipment Download PDF

Info

Publication number
JP6602912B2
JP6602912B2 JP2018087198A JP2018087198A JP6602912B2 JP 6602912 B2 JP6602912 B2 JP 6602912B2 JP 2018087198 A JP2018087198 A JP 2018087198A JP 2018087198 A JP2018087198 A JP 2018087198A JP 6602912 B2 JP6602912 B2 JP 6602912B2
Authority
JP
Japan
Prior art keywords
chain saw
fixing plate
standing tree
chainsaw
plate support
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.)
Active
Application number
JP2018087198A
Other languages
Japanese (ja)
Other versions
JP2019187371A (en
Inventor
眞二 藤本
政之 平井
Original Assignee
株式会社九建
株式会社 南王
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 株式会社九建, 株式会社 南王 filed Critical 株式会社九建
Priority to JP2018087198A priority Critical patent/JP6602912B2/en
Publication of JP2019187371A publication Critical patent/JP2019187371A/en
Application granted granted Critical
Publication of JP6602912B2 publication Critical patent/JP6602912B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Catching Or Destruction (AREA)

Description

本発明は、立木をチェーンソーで伐採する伐採装置に関し、特に簡単な構造で、伐採現場での組み立て、立木への固定に手間がかからず、作業者が伐採位置から離れた位置で安全に伐採作業をすることができる伐採装置に関する。   The present invention relates to a felling device that cuts a tree with a chainsaw, and has a particularly simple structure, which does not require assembling at a felling site and fixing to the tree, and allows an operator to safely cut a tree away from the felling position. The present invention relates to a logging device capable of working.

作業者が立木を直接伐採作業する場合、切り口が裂けて跳ね上がって当たったり、傾斜地の伐採作業では作業者が転倒したりなどして危険なため、作業者の安全を確保するために各種の伐採装置が提案されている(特許文献1〜3参照)。   When an operator directly cuts a standing tree, it is dangerous because the cut is torn up and hits it, or the operator falls down when logging on a sloping ground. An apparatus has been proposed (see Patent Documents 1 to 3).

前記特許文献1には、遠隔操作で立木を伐採する人肩運搬型の遠隔操作伐採装置として、樹木に取付架台を取り付け、この取付架台にスライドテーブルを装着し、スライドテーブルのチェーンソー移動台にチェーンソーを搭載して組み立て、送受信機を備えた制御手段により遠隔操作できる伐採装置が記載されている。   In Patent Document 1, as a shoulder-shoulder-type remote operation logging device that logs trees by remote operation, a mounting base is attached to the tree, a slide table is attached to the mounting base, and a chain saw is attached to the chain saw moving base of the slide table. A logging device is described which can be assembled and assembled and can be remotely operated by a control means equipped with a transceiver.

また、前記特許文献2には、チェーンソー支持架台の支持ケースにチェーンソーが支持され、チェーンソーハンドルを操作するワイヤーからなる操作杆とチェーンソー支持架台の支持ケースを回動させてチェーンソーを動かすワイヤーからなる操作ハンドルを備えた遠隔操作できる伐採装置が記載されている。   Further, in Patent Document 2, the chain saw is supported by a support case of a chain saw support frame, and an operation rod composed of a wire for operating the chain saw handle and an operation consisting of a wire for moving the chain saw by rotating the support case of the chain saw support frame. A remotely operable logging device with a handle is described.

前記特許文献3には、旋回台にチェーンソーが支持され、操作部の操作によりチェーンソーを駆動するとともに、操作ワイヤーの操作により旋回台を旋回させて立木を切る遠隔操作できる伐採装置が記載されている。   Patent Document 3 describes a felling device in which a chain saw is supported on a swivel base, the chain saw is driven by operation of an operation unit, and the swivel base can be swung by operation of an operation wire to remotely control a tree. .

特開2013−240959号公報JP2013-240959A 実開昭57-136701号公報Japanese Utility Model Publication No. 57-136701 実開昭55−118702号公報Japanese Utility Model Publication No. 55-118702

前記特許文献1に記載の伐採装置においては、制御手段により遠隔操作するため、伐採装置の構造が複雑となり、また、現場でチェーンソー、スライドテーブル、取り付け架台の組立が簡単でないだけでなく、手間がかかるという問題がある。   In the logging device described in Patent Document 1, since the remote control is performed by the control means, the structure of the logging device is complicated, and not only the assembly of the chain saw, the slide table, and the mounting stand is not easy on the site, but also labor is required. There is a problem that it takes.

また、特許文献2,3に記載の伐採装置では、ワイヤーをチェーンソーに接続して遠隔操作するために接続構造が複雑となり、その組立にも手間がかかるという欠点がある。   Moreover, in the felling apparatus of patent document 2, 3, since a wire is connected to a chainsaw and remote-controlled, a connection structure becomes complicated and there exists a fault that the assembly takes time.

そこで、本発明は、伐採装置の構造が簡単なので伐採現場において簡単に組み立て、立木に固定できるとともに、作業員の安全を確保するために伐採位置から離れた安全な場所で遠隔作業ができる立木の伐採装置を提供するものである。   Therefore, the present invention has a simple structure of the felling device so that it can be easily assembled and fixed to the standing tree at the felling site, and the standing tree can be remotely operated at a safe place away from the felling position in order to ensure the safety of workers. It provides logging equipment.

本願請求項1に記載の発明は、チェーンソーと、このチェーンソーを固定するチェーンソー固定板と、前記チェーンソー固定板を水平方向に回転自在に支持するとともに、立木に固定するチェーンソー固定板支持体とからなる伐採装置において、前記チェーンソー固定板は、前記チェーンソーの位置決めをする位置決め部材が設けられるとともに、前記チェーンソーが固定金具で押さえられて固定される金属板からなり、前記チェーンソー固定板の一端の隅部には前記チェーンソー固定板を前記チェーンソー固定板支持体に回動自在に垂直に挿入する横断面円形の挿入部材と、チェーンソー固定板の他端には前記チェーンソー固定板を回動させるためのロープを係止するロープ係止部材を備え、前記チェーンソー固定板支持体は、前記チェーンソー固定板支持体を前記立木に固定する立木固定部材を備え、前記立木固定部材は、ベルトを立木に巻き閉めていくラッチェト式ベルトを備えるとともに、立木側の面には前記チェーンソー固定板支持体が立木に対して移動するのを防止する立木に食い込む凹凸板が上下に配置され、前記立木側の面と反対の側の面には前記横断面円形の挿入部材がコイルばねを介して挿入されてチェーンソー固定板を回動自在に支持する円筒が固定され前記コイルばねは、前記チェーンソー固定板の前記横断面円形の挿入部材と前記チェーンソー固定板支持体の前記円筒の間に配置され、一端がチェーンソー固定板に固定され、他端がチェーンソー固定板支持体に固定されてロープを引いて待機位置から回動した前記チェーンソー固定板を、ロープを緩めて前記待機位置に戻す方向に付勢するコイルばねであることを特徴とする伐採装置である。 The invention according to claim 1 includes a chain saw, a chain saw fixing plate for fixing the chain saw, and a chain saw fixing plate support for fixing the chain saw fixing plate in a horizontal direction and fixing the chain saw to a standing tree. In the felling device, the chain saw fixing plate is provided with a positioning member for positioning the chain saw , and is composed of a metal plate that is fixed by being pressed by a fixing metal fitting, at a corner of one end of the chain saw fixing plate. The chain saw fixing plate is inserted into the chain saw fixing plate support so as to be rotatable vertically, and an insertion member having a circular cross section is engaged with a rope for rotating the chain saw fixing plate at the other end of the chain saw fixing plate. comprises a rope engaging member to stop the chain saw fixing plate support, said chain A standing tree fixing member for fixing a saw fixing plate support to the standing tree, the standing tree fixing member including a ratchet belt for winding and closing the belt around the standing tree, and the chain saw fixing plate support on the surface of the standing tree side; An uneven plate that bites into the standing tree is prevented from moving up and down with respect to the standing tree, and the insertion member having the circular cross section is inserted through a coil spring on the surface opposite to the standing tree side surface. A cylinder that rotatably supports the chain saw fixing plate is fixed, and the coil spring is disposed between the circular insertion member of the chain saw fixing plate and the cylinder of the chain saw fixing plate support , There is fixed to the chain saw fixing plate, the chain saw fixing plate to which the other end is pivoted from the standby position by pulling the ropes is fixed to the chain saw fixing plate support, loose rope A logging device which is a coil spring for urging in a direction to return to the standby position Te.

本発明の伐採装置は、チェーンソーとワイヤーや制御手段と接続したりする必要がないので、チェーンソーをそのまま使用でき、チェーンソー固定板とチェーンソー固定板支持体だけなので、構造がシンプルで持ち運びやすく、また、現場でチェーンソーをチェーンソー固定板に固定してチェーンソー固定板の挿入部材をチェーンソー固定板支持体の円筒に挿入して回動自在に支持するだけなので、伐採装置を現場で手間を掛けることなく簡単に組み立てることができる。   Since the logging device of the present invention does not need to be connected to a chain saw, a wire, or a control means, the chain saw can be used as it is, and since only the chain saw fixing plate and the chain saw fixing plate support are used, the structure is simple and easy to carry. Since the chain saw is fixed to the chain saw fixing plate at the site and the insertion member of the chain saw fixing plate is simply inserted into the cylinder of the chain saw fixing plate support and supported rotatably, the logging device can be easily installed without any hassle at the site. Can be assembled.

また、本発明の伐採装置は、伐採装置から離れた場所でロープを引いてチェーンソーを操作できるので、作業員の安全を確保することができる。   Moreover, since the felling apparatus of this invention can pull a rope in the place away from the felling apparatus and can operate a chainsaw, it can ensure a worker's safety.

本発明の栽培装置を構成するチェーンソー固定板とチェーンソー固定板支持体の斜視図である。It is a perspective view of the chainsaw fixing plate and the chainsaw fixing plate support which comprise the cultivation apparatus of this invention. 本発明の栽培装置を立木に固定した状態を示す斜視図である。It is a perspective view which shows the state which fixed the cultivation apparatus of this invention to the standing tree.

図1、図2において、本発明の立木を伐採するための伐採装置は、チェーンソー1と、チェーンソー1を固定するチェーンソー固定板2と、チェーンソー固定板2を回転自在に支持して、立木に固定するチェーンソー固定板支持体3により構成される。   1 and 2, the logging device for cutting a standing tree according to the present invention includes a chain saw 1, a chain saw fixing plate 2 for fixing the chain saw 1, and a chain saw fixing plate 2 rotatably supported and fixed to the standing tree. The chain saw fixing plate support 3 is configured.

チェーンソー固定板2は金属板4からなり、金属板表面には固定するチェーンソーの位置決めをする位置決め部材5が設けられている。チェーンソーはアーチ形あるいは門形の固定金具6で押さえて固定される。裏面には、必要に応じて、強度を上げるために金属板4を補強する補強リブ7を設けてもよい。   The chain saw fixing plate 2 is made of a metal plate 4, and a positioning member 5 for positioning the chain saw to be fixed is provided on the surface of the metal plate. The chainsaw is fixed by being pressed by an arch-shaped or gate-shaped fixing bracket 6. If necessary, reinforcing ribs 7 for reinforcing the metal plate 4 may be provided on the back surface to increase the strength.

チェーンソー固定板2の一端の隅部には、チェーンソー固定板2の表面と同一平面方向且つチェーンソー固定板2の長手方向に直角に横断面円形の棒あるいは管からなる挿入部材8が接続されている。挿入部材8はチェーンソー固定板支持体3の円筒11に挿入されてチェーンソー固定板2が回動自在に支持される。   Connected to a corner of one end of the chain saw fixing plate 2 is an insertion member 8 made of a bar or tube having a circular cross section in the same plane direction as the surface of the chain saw fixing plate 2 and perpendicular to the longitudinal direction of the chain saw fixing plate 2. . The insertion member 8 is inserted into the cylinder 11 of the chain saw fixing plate support 3 so that the chainsaw fixing plate 2 is rotatably supported.

チェーンソー固定板2の他端には、ロープ9(図1)を係止するため、ロープ係止部材10となるロープ9を通す孔10が形成されている。孔10にロープ9を掛けて引くことにより、チェーンソー固定板2をチェーンソー固定板支持体3の円筒11に挿入した挿入部材8を中心に回動させる。ロープ係止部材10は孔だけでなくロープを巻いて係止する突起など、チェーンソー固定板に係止できる係止部材であればよい。   The other end of the chainsaw fixing plate 2 is formed with a hole 10 through which the rope 9 serving as the rope locking member 10 passes in order to lock the rope 9 (FIG. 1). The chain saw fixing plate 2 is rotated around the insertion member 8 inserted into the cylinder 11 of the chain saw fixing plate support 3 by pulling the rope 9 over the hole 10. The rope locking member 10 may be any locking member that can be locked to the chain saw fixing plate, such as a protrusion that winds and locks the rope as well as the hole.

チェーンソー固定板支持体3は円筒11を備えており、円筒11にはチェーンソー固定板2の挿入部材8が挿入されてチェーンソー固定板2が回動自在に支持される。 The chain saw fixing plate support 3 includes a cylinder 11, and an insertion member 8 of the chain saw fixing plate 2 is inserted into the cylinder 11 so that the chain saw fixing plate 2 is rotatably supported.

チェーンソー固定板支持体3は、チェーンソー固定板支持体3を立木に固定する立木固定部材12を備えている。立木固定部材12は、チェーンソー固定板支持体3を、ベルト13を巻き付け、締め付けていき立木へ固定するものである。本実施例では、公知のラッチェト式ベルトの例で、ハンドルを往復動作させてベルト13を立木に巻き閉めていく。 The chainsaw fixing plate support 3 includes a standing tree fixing member 12 that fixes the chainsaw fixing plate support 3 to a standing tree. The standing tree fixing member 12 is for fixing the chain saw fixing plate support 3 to the standing tree by winding the belt 13 around the chain saw. In this embodiment, in a known ratchet type belt, the handle 13 is reciprocated to wind the belt 13 around the tree.

チェーンソー固定板支持体3には、チェーンソー固定板支持体3が移動するのを防止する移動防止部材14を備えている。移動防止部材14として、本実施例では、固定したチェーンソー固定板支持体3が作業中に上下動あるいは回動して移動しないように立木に食い込む凹凸板14が上下に配置されている。   The chain saw fixing plate support 3 is provided with a movement preventing member 14 that prevents the chainsaw fixing plate support 3 from moving. As the movement preventing member 14, in this embodiment, an uneven plate 14 that bites into a standing tree is vertically arranged so that the fixed chainsaw fixing plate support 3 does not move up and down during operation and does not move.

チェーンソー固定板2の挿入部材8とチェーンソー固定板支持体3の円筒11との間には、コイルばね15が配置され、コイルばね15の一端と他端がチェーンソー固定板2とチェーンソー固定板支持体3に固定されている。コイルばね15は回動したチェーンソー固定板2がコイルばね15の復元力により待機位置に戻る方向に付勢されている。ロープ9を引いてチェーンソー固定板2を待機位置からコイルばね15に抗して回動させ、ロープ9を緩めるとチェーンソー固定板2がコイルばね15の復元力により逆方向に回動して待機位置に戻る。   A coil spring 15 is arranged between the insertion member 8 of the chain saw fixing plate 2 and the cylinder 11 of the chain saw fixing plate support 3, and one end and the other end of the coil spring 15 are the chain saw fixing plate 2 and the chain saw fixing plate support. 3 is fixed. The coil spring 15 is biased in the direction in which the rotated chainsaw fixing plate 2 returns to the standby position by the restoring force of the coil spring 15. Pulling the rope 9 rotates the chainsaw fixing plate 2 against the coil spring 15 from the standby position. When the rope 9 is loosened, the chainsaw fixing plate 2 is rotated in the reverse direction by the restoring force of the coil spring 15 to stand by. Return to.

前記構成の伐採装置の使用方法の一例について説明する。   An example of a method for using the felling device having the above configuration will be described.

チェーンソー固定板支持体3の立木固定部材12であるラッチェト式ベルト13を立木16に巻き付けてハンドルを往復動作させて締め付け、移動防止部材14の上下の凹凸板を立木16に食い込ませチェーンソー固定板支持体3を移動しないように立木16へ強固に固定する。   The ratchet belt 13 which is the standing tree fixing member 12 of the chainsaw fixing plate support 3 is wound around the standing tree 16 and the handle is reciprocated and tightened, and the upper and lower uneven plates of the movement preventing member 14 are bitten into the standing tree 16 to support the chainsaw fixing plate. The body 3 is firmly fixed to the standing tree 16 so as not to move.

チェーンソー固定板支持体3の立木16への固定が終了すると、チェーンソー1を固定金具6で強固に固定したチェーンソー固定板2の挿入部材8を、立木に固定されているチェーンソー固定板支持体3の円筒11にコイルばね15を介して挿入して支持する。コイルばね15を回してコイルばね15の一端と他端をチェーンソー固定板2とチェーンソー固定板支持体3に固定する。   When the chain saw fixing plate support 3 is fixed to the stand 16, the insertion member 8 of the chain saw fixing plate 2 in which the chain saw 1 is firmly fixed by the fixing bracket 6 is replaced with the chain saw fixing plate support 3 fixed to the stand. The cylinder 11 is inserted through a coil spring 15 and supported. The coil spring 15 is rotated to fix one end and the other end of the coil spring 15 to the chainsaw fixing plate 2 and the chainsaw fixing plate support 3.

チェーンソー固定板2とチェーンソー固定板支持体3の組立が終わると、チェーンソー固定板2の他端のロープ係止部材の孔10に、安全な作業位置までの長さのロープ9を通し、ロープ9を引いてチェーンソー固定板2を回動可能にする。   When the assembly of the chainsaw fixing plate 2 and the chainsaw fixing plate support 3 is finished, the rope 9 having a length up to a safe working position is passed through the hole 10 of the rope locking member at the other end of the chainsaw fixing plate 2, and the rope 9 Is pulled so that the chainsaw fixing plate 2 can be rotated.

こうして伐採装置の立木へのセットが完了すると、チェーンソー1を起動させて回転させた後、作業者は安全な位置に移動した後、ロープ9を引いてチェーンソー1を立木方向に移動させて伐採を開始する。   After the setting of the felling device to the standing trees is completed, after the chainsaw 1 is activated and rotated, the operator moves to a safe position, and then pulls the rope 9 to move the chainsaw 1 in the direction of the standing trees. Start.

伐採により立木が倒れると、ロープ9を緩めてチェーンソー固定板2をコイルばね15の作用によりに逆方向に回動させて待機位置に戻す。伐採作業終了後は、チェーンソー1を停止させ、逆の手順でチェーンソー固定板2をチェーンソー固定板支持体3から取り外し、チェーンソー固定板支持体3を立木16から取り外す。   When a standing tree falls due to felling, the rope 9 is loosened and the chainsaw fixing plate 2 is rotated in the reverse direction by the action of the coil spring 15 to return to the standby position. After the cutting operation is finished, the chainsaw 1 is stopped, and the chainsaw fixing plate 2 is removed from the chainsaw fixing plate support 3 in the reverse procedure, and the chainsaw fixing plate support 3 is removed from the standing tree 16.

1:チェーンソー
2:チェーンソー固定板
3:チェーンソー固定板支持体
4:金属板
5:位置決め部材
6:固定金具
7:補強リブ
8:挿入部材
9:ロープ
10:ロープ係止部材(孔)
11:円筒
12:立木固定部材
13:ベルト
14:移動防止部材
15:コイルばね
16:立木
1: Chain saw 2: Chain saw fixing plate 3: Chain saw fixing plate support 4: Metal plate 5: Positioning member 6: Fixing bracket 7: Reinforcement rib 8: Inserting member 9: Rope 10: Rope locking member (hole)
11: Cylinder 12: Standing tree fixing member 13: Belt 14: Movement preventing member 15: Coil spring 16: Standing tree

Claims (1)

チェーンソーと、このチェーンソーを固定するチェーンソー固定板と、前記チェーンソー固定板を水平方向に回転自在に支持するとともに、立木に固定するチェーンソー固定板支持体とからなる伐採装置において、
前記チェーンソー固定板は、前記チェーンソーの位置決めをする位置決め部材が設けられるとともに、前記チェーンソーが固定金具で押さえられて固定される金属板からなり、前記チェーンソー固定板の一端の隅部には前記チェーンソー固定板を前記チェーンソー固定板支持体に回動自在に垂直に挿入する横断面円形の挿入部材と、チェーンソー固定板の他端には前記チェーンソー固定板を回動させるためのロープを係止するロープ係止部材を備え、
前記チェーンソー固定板支持体は、前記チェーンソー固定板支持体を前記立木に固定する立木固定部材を備え、前記立木固定部材は、ベルトを立木に巻き閉めていくラッチェト式ベルトを備えるとともに、立木側には前記チェーンソー固定板支持体が立木に対して移動するのを防止する立木に食い込む凹凸板が上下に配置され、前記立木側と反対の側には前記横断面円形の挿入部材がコイルばねを介して挿入されてチェーンソー固定板を回動自在に支持する円筒が固定され
前記コイルばねは、前記チェーンソー固定板の前記横断面円形の挿入部材と前記チェーンソー固定板支持体の前記円筒の間に配置され、一端がチェーンソー固定板に固定され、他端がチェーンソー固定板支持体に固定されてロープを引いて待機位置から回動した前記チェーンソー固定板を、ロープを緩めて前記待機位置に戻す方向に付勢するコイルばねであることを特徴とする伐採装置。
In a felling apparatus comprising a chainsaw, a chainsaw fixing plate for fixing the chainsaw, and a chainsaw fixing plate support for fixing the chainsaw fixing plate in a horizontal direction and fixing to a standing tree,
The chain saw fixing plate is provided with a positioning member for positioning the chain saw , and is formed of a metal plate that is fixed by pressing the chain saw with a fixing bracket. An insertion member having a circular cross section that allows the plate to be inserted vertically into the chain saw fixing plate support so as to be rotatable, and a rope mechanism that engages a rope for rotating the chain saw fixing plate at the other end of the chain saw fixing plate. A stop member,
The chain saw fixing plate support includes a standing tree fixing member that fixes the chain saw fixing plate support to the standing tree, and the standing tree fixing member includes a ratchet belt that winds and closes the belt around the standing tree, and on the standing tree side. An uneven plate for biting into the standing tree that prevents the chain saw fixing plate support from moving with respect to the standing tree is arranged above and below, and on the opposite side to the standing tree side, the circular insertion member having a circular cross section is interposed via a coil spring. The cylinder that is inserted and supports the chain saw fixing plate rotatably is fixed ,
The coil spring is disposed between the insertion member having a circular cross section of the chain saw fixing plate and the cylinder of the chain saw fixing plate support , one end is fixed to the chain saw fixing plate, and the other end is a chain saw fixing plate support. A felling device, characterized in that the chain saw fixing plate fixed to the arm and pulling the rope and rotated from the standby position is a coil spring that urges the chain saw in a direction to loosen the rope and return it to the standby position.
JP2018087198A 2018-04-27 2018-04-27 Logging equipment Active JP6602912B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018087198A JP6602912B2 (en) 2018-04-27 2018-04-27 Logging equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018087198A JP6602912B2 (en) 2018-04-27 2018-04-27 Logging equipment

Publications (2)

Publication Number Publication Date
JP2019187371A JP2019187371A (en) 2019-10-31
JP6602912B2 true JP6602912B2 (en) 2019-11-06

Family

ID=68387552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018087198A Active JP6602912B2 (en) 2018-04-27 2018-04-27 Logging equipment

Country Status (1)

Country Link
JP (1) JP6602912B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2608604A (en) * 2021-07-04 2023-01-11 Emami Esfashani Siamak Automated chainsaw

Also Published As

Publication number Publication date
JP2019187371A (en) 2019-10-31

Similar Documents

Publication Publication Date Title
EP2228172B1 (en) Chain protector for motorised chain saws
US2128712A (en) Portable gin pole
EP2332704B1 (en) Sawmill comprising a sawmill blade lubrication system
US7958640B1 (en) Pole saw head having a rope setting auxiliary hook
JP4216281B2 (en) Automatic rebar binding machine
CN209806670U (en) Felling inversion control device
JP6602912B2 (en) Logging equipment
TWI647039B (en) Power equipment with quick release anti-kickback device
US2912966A (en) Power lawn mower having starting mechanism easily available to operator
US9790656B1 (en) Concrete pile cutting assembly
US20060070246A1 (en) Flipdown chainsaw cutter
JP7131088B2 (en) Felling wire attachment device
US2869822A (en) Logging cable haulback apparatus
US20210147199A1 (en) Wire Pulling Wincher
JP5824785B2 (en) Remote operation logging device
JP6529202B1 (en) Cutting direction control device
US4707917A (en) Methods and apparatus for cutting rod-like objects
US4951398A (en) Measuring and guiding attachment for a chain saw
JP2020083485A (en) Chain-type timber collecting system
KR102311377B1 (en) A electric power winch electric power winch for for portable of steel tower
JP2005224111A (en) Central jumping tool and trap having central jumping tool attached thereto
JP2920169B2 (en) Outer ring expanding cam along and lock device
US325986A (en) Belt-reel
JPS6142364Y2 (en)
KR200215539Y1 (en) Cutting off Machine for reinforcing bar

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20180502

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20180502

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20180620

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180703

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180828

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20180904

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20181105

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20181105

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20190723

C23 Notice of termination of proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C23

Effective date: 20190903

C03 Trial/appeal decision taken

Free format text: JAPANESE INTERMEDIATE CODE: C03

Effective date: 20191001

C30A Notification sent

Free format text: JAPANESE INTERMEDIATE CODE: C3012

Effective date: 20191001

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20191009

R150 Certificate of patent or registration of utility model

Ref document number: 6602912

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250