baber/WOPTO huggingface dataset:
Patent JP-2015534374-A (JP)
Title: リソース再構成方法、基地局、およびユーザー装置
IPC: H04W74/08
Filed: 2012-09-28
Abstract: 本出願では、リソース再構成方法、基地局、およびユーザー装置を開示する。この方法は、第1のメッセージを、一次基地局によって受信するステップであって、第1のメッセージは、二次基地局に対応するリソースをユーザー装置に対して再構成することを要求するために使用される、ステップと、ユーザー装置に対する二次基地局に対応するリソースの再構成を、一次基地局によって開始するステップとを含む。本出願を用いることで、二次基地局が再構成機能を備えていない場合に、二次基地局に対応するリソースをユーザー装置に対して再構成することができる。
Patent JP-2015532575-A (JP)
Title: 電池の充電を管理するための回路
IPC: H02J7/02
Filed: 2013-10-04
Abstract: 【解決手段】本発明は、電池(300) の充電を管理するための回路(302) に関し、回路は、発熱体の端子の電圧が閾値を超えると熱を発生させるように構成されている少なくとも１つの発熱体(303i)を備えている。
Patent JP-2015531493-A (JP)
Title: 分光装置及び分光方法
IPC: G01J3/36
Filed: 2013-10-08
Abstract: 【課題】ディジタル信号処理処置を用いる分光装置の解像度を向上させることができる方法を具現することを１つの目的とし、分光の正確度を向上させることができる分光装置及び分光方法を提案する。【解決手段】本発明に従う分光装置には、入射される光をフィルタリングする少なくとも２つのフィルタが提供される光フィルタ装置、前記少なくとも２つのフィルタと対応できる少なくとも２つの光センサーが提供されて、フィルタリングされた光を電荷に変換して出力する光センサー装置、及び前記光センサー装置の出力信号をディジタル信号処理して前記入射される光のスペクトル情報を復旧するディジタル信号処理部が含まれ、前記少なくとも２つのフィルタのうちの少なくとも１つはランダムトランスミタンスフィルタであることを特徴とする。本発明によれば、復元された光信号の解像度が向上し、復元の正確度が改善される利点がある。
Patent JP-2015536828-A (JP)
Title: インベストメント用結合剤およびインベストメント用結合剤の使用
IPC: B22C1/18
Filed: 2012-10-18
Abstract: Ｉ）マグネシウムイオン源として少なくとも第一の化合物と、ＩＩ）リン酸イオン源として第二の化合物と、ＩＩＩ）上述の他の化合物のうちの１つに加えられる表面反応制御剤である第三の化合物とを備え、インベストメントキャスティングに被着すると結合相を形成するインベストメント用結合剤および当該インベストメント用結合剤の使用。
Patent JP-2015533346-A (JP)
Title: サブマージアーク溶接工程を開始する方法及び溶接装置
IPC: B23K9/18
Filed: 2012-11-02
Abstract: 本発明は、アーク点火時期ＩＰと、アーク安定化時期ＡＰと、安定したアーク時期ＳＰと、を含む方法に関する。前記アーク安定化時期ＡＰは、少なくとも一つのホットワイヤー４、１２を被加工物側に一定の送給速度で送給する段階を含む初期下位時期ＩＳと、前記ホットワイヤーを一定の送給速度で送給する段階と、少なくとも一つのコールドワイヤー２２を一定の送給速度で送給する段階と、を含むメイン下位時期ＭＳと、を含む。安定したアーク時期は、ホットワイヤー送給速度を連続して調整する段階と、コールドワイヤー送給速度を連続して調整する段階と、を含む。本発明はまた、前記方法を実行する溶接装置１に関する。前記溶接装置は、ホットワイヤー送給手段１５０と、接触手段２と、コールドワイヤー送給手段３５と、制御ユニット３１と、を含む。前記制御ユニットは、前記ホットワイヤー送給手段を制御するに際し、ホットワイヤーが前記初期下位時期の間に一定の送給速度で送給されることができるように、ホットワイヤーがメイン下位時期の間に一定の送給速度で送給されることができるように、且つ、安定したアーク時期の間にホットワイヤーの送給速度が連続して調整されることができるように、前記ホットワイヤー送給手段を制御することができるように構成される。前記制御ユニットは、前記コールドワイヤー送給手段を制御するに際し、コールドワイヤーがメイン下位時期の間に一定の送給速度で送給されることができるように、且つ、安定したアーク時期の間にコールドワイヤーの送給速度が少なくとも連続して調整されることができるように、前記コールドワイヤー送給手段を制御することができるように構成される。【選択図】図７ａ
Patent JP-2016509338-A (JP)
Title: 電極組立体及びこれを含む電気化学素子
IPC: H01M50/437
Filed: 2013-11-27
Abstract: 本発明は、二次電池における電極の短絡を防止するための技術に対するものであって、特に分離膜を挟んで集電体上に活物質がコーティングされる正極及び負極と、前記正極及び負極との間に配置される分離膜、及び前記正極を構成する正極集電体のタブ部に形成される絶縁層を含む電極組立体を提供できるようにする。本発明によれば、電極組立体の構造で正極のタブとして用いられる集電体の末端部(タブ部)に絶縁層を形成することにより、正極/分離膜/負極の順次積層構造で正極と負極の物理的短絡を防止できるようにする効果がある。【選択図】図3
Patent JP-2016511939-A (JP)
Title: 磁気抵抗ランダムアクセスメモリ（ｍｒａｍ）のためのスモールフォームファクタ磁気シールド
IPC: H01L23/00
Filed: 2014-01-31
Abstract: いくつかの実装形態は、いくつかの磁気抵抗ランダムアクセスメモリ（ＭＲＡＭ）セルを含むＭＲＡＭセルアレイを含むダイを提供する。ダイはまた、ＭＲＡＭセルアレイの上に配置された第１の強磁性層と、ＭＲＡＭセルアレイの下に配置された第２の強磁性層と、少なくとも１つのＭＲＡＭセルの周りに配置されたいくつかのビアとを含む。ビアは強磁性材料を含む。いくつかの実装形態では、第１の強磁性層、第２の強磁性層、およびいくつかのビアが、ＭＲＡＭセルアレイのための磁気シールドを画定する。ＭＲＡＭセルは、磁気トンネル接合（ＭＴＪ）を含み得る。いくつかの実装形態では、いくつかのビアは、ダイの少なくとも金属層および誘電体層を横断する。いくつかの実装形態では、ビアは基板貫通ビアである。いくつかの実装形態では、強磁性材料は、高い透磁率および高い飽和磁束密度を有する。
Patent JP-2016511900-A (JP)
Title: ソーシャル化されたアプリケーションを備えるロック画面
IPC: G06F3/0488
Filed: 2014-02-12
Abstract: ある実施形態では、方法は、コンピューティング装置上でユーザに表示するための１つまたは複数のアプリケーションの１つまたは複数のインタラクティブ要素を、少なくとも部分的に１つまたは複数のアプリケーションに関連するソーシャル・ネットワーキング・システムの１人または複数の第２のユーザによる活動に少なくとも部分的に基づいて決定することを含む。決定のために、第２ユーザは、少なくとも部分的にソーシャル・ネットワーキング・システムのソーシャル・グラフからの第１および第２のユーザに関連するソーシャル・グラフ情報に少なくとも部分的に基づいて特定される。方法は、コンピューティング装置のユーザ・インターフェース（ＵＩ）上に、インタラクティブ要素のうちの１つまたは複数を表示のために提供することも含む。
Patent JP-2016511902-A (JP)
Title: 局所化された力の感知の為の装置および方法
IPC: G06F3/044
Filed: 2014-02-24
Abstract: 入力対象物およびそれらに加えられた力を感知領域で感知するように構成された容量性入力装置を作動させる為の装置および方法であって、その装置は、入力表面を有するしなやかな構成要素を含み、曲げ剛性、第１配列のセンサ電極及び第２配列のセンサ電極によって特徴付けられる。この入力装置は、第３配列のセンサ電極と、第３配列との間に配置されたスペース層とを更に含む。しなやかな構成要素は、圧縮剛性によって特徴付けられ、入力表面に加えられる力に応じて変形し、第２配列のセンサ電極を第３配列のセンサ電極に向けて撓むように構成され、入力表面の変形および第２配列のセンサ電極の撓みは、しなやかな構成要素の曲げ剛性およびスペース層の圧縮剛性の比の関数になっている。【選択図】 図４
Patent JP-2016509882-A (JP)
Title: 多関節シースの機械構造
IPC: A61B17/32
Filed: 2014-02-28
Abstract: シース装置であって、前記シース装置は、互いに対して傾けられ得る複数のノードリングを有し、各ノードリングは、実質的に筒状の壁を規定して、前記筒状の壁を貫通する少なくとも１つの孔を有し、前記複数のノードリングは、連続的なノードリングが接触面で互いに接触するように、線状の軸に沿って互いに隣り合って配置され、前記シース装置は、積み重ねられたノードリングの前記孔を通る操作ワイヤと、前記積み重ねられたノードリングを傾いた位置から元の位置に復元する位置復元部材と、を有し、前記位置復元部材は、前記積み重ねられたノードリングの内側又は外側に配置されていることを特徴とするシース装置。
Patent JP-2016512449-A (JP)
Title: カミソリと共に使用するための滑り部材を支持するための物品
IPC: B26B21/14
Filed: 2014-02-28
Abstract: カミソリのハンドル１８００とカートリッジヘッド１５００との間に適合する、１つ以上の滑り部材１３００を取り付けるための着脱自在なキャリア１２００を有する、カミソリ。
Patent JP-2016509237-A (JP)
Title: 多重化型およびバッファ型の小型化センサ・アレイ用のシステムおよび方法
IPC: G01L9/00
Filed: 2014-03-04
Abstract: 小型の圧力スキャン・システムは、複数の小型の圧力センサ、複数のバッファおよびマルチプレクサを含む。各圧力センサは本体上の検出圧力を表すアナログ出力信号を供給する少なくとも１つのセンサ出力を含み、各圧力センサ出力は関連する出力インピーダンスを有する。各バッファは、圧力センサの中の対応する１つセンサの出力ポートに電気的に接続され、また、結合された対応するセンサ出力の関連する出力インピーダンスを減少させるよう構成され、さらに、圧力センサからのアナログ出力圧力信号をバッファの出力で供給するよう構成される。マルチプレクサは、その複数のバッファのダウンストリームに結合され、バッファされたアナログ出力信号を多重化して、検出圧力を表す多重化アナログ信号を出力するよう構成される。【選択図】図１
Patent JP-2016516581-A (JP)
Title: 波形鋼管及びその製造方法
IPC: B21C37/06
Filed: 2013-12-12
Abstract: 【課題】波形鋼管が開示される。波形鋼管は、軸方向に連続する複数の単位鋼管を含む波形鋼管であって、単位鋼管は、第１の単位鋼板が円筒状に巻き付いて完成され、一側には、第１の単位鋼板の両端が突き合わせられた第１の繋ぎ部が形成されている第１の円筒状管と、第２の単位鋼板が円筒状に巻き付いて完成され、一側には、第２の単位鋼板の両端が突き合わせられた第２の繋ぎ部が形成されている第２の円筒状管とを備え、第２の円筒状管は、第２の単位鋼板の内面が第１の繋ぎ部を覆うように円筒状に巻き付いて第１の円筒状管の外面に重なり、第２の繋ぎ部は、第１の繋ぎ部に対応しないように位置することを特徴とする。【選択図】図１
Patent JP-2017121852-A (JP)
Title: Control device of power train with centrifugal pendulum damper
Inventor: NAKASHIMA KYOSEI
IPC: F02D17/02
Filed: 2016-01-06
Abstract: PROBLEM TO BE SOLVED: To obtain a control device of a power train with a centrifugal pendulum damper which can satisfy both an acceleration requirement by a driver and a vibration reduction requirement by the centrifugal pendulum damper at the transition of an operation state of an engine.SOLUTION: When an engine is in a full-cylinder operation, a connection/disconnection control part controls a connection/disconnection state to a first state, and when the engine is in a reduced-cylinder operation, the connection/disconnection control part controls the connection/disconnection state to a second state which is higher than the first state in a fastening degree. When there is a transition requirement to the full-cylinder operation from the reduced-cylinder operation of the engine, the connection/disconnection control part transits a clutch mechanism to the first state from the second state, and an engine control part transits the engine to the full-cylinder operation from the reduced-cylinder operation, and when there is a transition requirement to the reduced-cylinder operation from the full-cylinder operation of the engine, the connection/disconnection control part transits the clutch mechanism to the second state from the first state, and the engine control part transits the engine to the reduced-cylinder operation from the full-cylinder operation at timing which is retarded by a prescribed period rather than timing at which there is the transition requirement of an operation state to the full-cylinder operation from the reduced-cylinder operation.SELECTED DRAWING: Figure 4
Patent JP-2017121736-A (JP)
Title: Autonomous travel image formation system, image formation device and server device
Inventor: YOSHITANI SHIGERU
IPC: G05D1/02
Filed: 2016-01-06
Abstract: PROBLEM TO BE SOLVED: To allow efficient operation as a whole by reducing a time that wastefully restricts self-propelled equipment.SOLUTION: A self-propelled image formation device includes an autonomous travel device which autonomously travels based on an instruction from a server, and an image formation device which forms an image based on print data received from the server. The autonomous travel device includes determination means (S3) which, after moving to a destination which has been instructed from the server (S2), determines whether a preset operation has been performed or not at a host terminal at the destination before a preserved time has passed, and control means (S7) which completes a preserved issue and returns to a standby place if it is determined that the preset operation has not been performed (S4), or, determined that the preserved time has passed when the preset operation is performed (S4, S6).SELECTED DRAWING: Figure 10
Patent JP-2016054327-A (JP)
Title: Solid-state imaging apparatus and electronic device
Inventor: KIDO HIDEO
IPC: H04N5/369
Filed: 2016-01-08
Abstract: PROBLEM TO BE SOLVED: To make a sensitivity difference unlikely to occur between shared pixels in a solid-state imaging apparatus including shared pixels.SOLUTION: A solid-state imaging apparatus includes a pixel region in which shared pixels 22 each sharing a pixel transistor are arrayed in a two-dimensional manner in a plurality of photoelectric conversion parts PD. The shared pixel transistors are disposed while being divided in a column direction of the shared pixels, and the pixel transistors shared between neighboring shared pixels 22 is disposed while being horizontally inverted and/or vertically crossing each other. Connection wiring 31A and 31B connected a floating diffusion part FD, a source of a reset transistor Tr2 and a gate of an amplification transistor Tr3 within the shared pixel 22 are disposed in the column direction.SELECTED DRAWING: Figure 2
Patent JP-2017124494-A (JP)
Title: Nozzle head, head unit, and liquid discharge device
Inventor: KOBASHI YUTAKA
IPC: B41J2/155
Filed: 2016-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a nozzle head capable of suppressing coalescence of droplets discharged.SOLUTION: A nozzle head has a nozzle formation section 10 formed with a nozzle array L0 aligned with a plurality of nozzles NZ0 including a first nozzle NZ1 and a second nozzle NZ2, and discharges droplets. The nozzle formation section has a first surface 11 of a side where the droplets are discharged and a second surface of an opposite side to the first surface. In the nozzle array, the first nozzle and the second nozzle are adjacent to each other. When a direction connecting a center point of gravity of an opening in the first surface of the first nozzle and a center point of gravity of an opening in the second surface of the first nozzle is defined as a first direction, and a direction connecting a center point of gravity of an opening in the first surface of the second nozzle and a center point of gravity of an opening in the second surface of the second nozzle is defined as a second direction, the first direction and the second direction are different from each other.SELECTED DRAWING: Figure 7
Patent JP-2017125879-A (JP)
Title: Laminated electrophotographic photoreceptor, method for producing laminated electrophotographic photoreceptor, process cartridge, and image formation device
Inventor: OGATA AKIHIKO
IPC: G03G5/06
Filed: 2016-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a laminated electrophotographic photoreceptor which can achieve both of electrical properties and wear resistance.SOLUTION: A laminated electrophotographic photoreceptor comprises a photosensitive layer. The photosensitive layer includes a charge generating layer and a charge transportation layer. The charge generating layer has a charge generator. The charge transportation layer has a hole transport agent and a binder resin. The charge generator includes titanyl phthalocyanine having a main peak at a Bragg angle of 2θ±0.2°=27.2° in a CuKα characteristic X-ray diffraction spectrum. The hole transport agent contains a benzidine derivative having a dibutadiene structure of a specific structure. In the charge transportation layer, a mass of the hole transport agent is 0.55 or less relative to a mass of the binder resin.SELECTED DRAWING: Figure 1
Patent JP-2017126169-A (JP)
Title: Card processor
Inventor: NISHIIE TORU
IPC: G06K7/00
Filed: 2016-01-13
Abstract: PROBLEM TO BE SOLVED: To provide a card processor capable of removing electrostatic which is accumulated on a card to be inserted into a housing and electrostatic accumulated on a person having the card.SOLUTION: The card processor has a contact part which is formed in a card insertion port so that a card, which is inserted into the card insertion port and guided in the housing up to a predetermined position of a card processing part, comes into contact therewith. The contact part is formed on a part of a conductive contact piece. The contact piece is in connect with a conductive static elimination part a part of which is grounded. Thus, the electrostatic accumulated on a card is reliably removed via the contact piece and the static elimination part.SELECTED DRAWING: Figure 4
Patent JP-2017130268-A (JP)
Title: Power storage element
Inventor: MIYAZAKI AKIHIKO
IPC: H01M2/16
Filed: 2016-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a separator which can prevent inorganic particles from moving to the outer side.SOLUTION: A separator comprises: a base material layer 41; and an inorganic layer 42 which contains inorganic particles and is laminated on one surface of the base material layer. An outer edge portion of the base material layer 41 is bent toward the inorganic layer 42 such that an outer edge of the inorganic layer 42 is located on the inner side than that of the base material layer 41. The outer edge portion of the base material layer 41 is bent so as to cover the outer side of the inorganic layer 42. Further, the outer edge portion of the base material layer 41 is tapered toward a tip edge. The length of a bent portion of the outer edge portion is greater than the thickness of the inorganic layer 42.SELECTED DRAWING: Figure 2
Patent JP-2019050439-A (JP)
Title: Radio control station device and control method
Inventor: NANBA HIDEO
IPC: H04B7/10
Filed: 2016-01-22
Abstract: To increase a communication efficiency in multiplex communications.SOLUTION: A radio control station device comprises: a multibeam antenna unit capable of controlling a plurality of beam characteristics respectively; and an RF system for transmission. The RF system further includes a multiplexing unit which uses a plurality of frequency channels or a plurality of sub-carriers for multiplexing. The radio control station device assigns, to transmit signals to send to a plurality of radio terminal devices, at least one of the different frequency channels or at least one of the different sub-carriers to send signals. The assigned frequency channel or sub-carrier is multiplexed in the multiplexing unit. The multiplexed signals are sent from the multibeam antenna unit by means of a plurality of beams.SELECTED DRAWING: Figure 1
Patent JP-2017133150-A (JP)
Title: Mountain stream device
Inventor: ONODA KEISUKE
IPC: E02B1/02
Filed: 2016-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a mountain stream device capable of reproducing natural flow of a mountain stream.SOLUTION: A mountain stream device comprises a display water channel that reproduces a landscape of a mountain stream, a circulation water channel that circulates water flowing in the display water channel, and a pump installed in the circulation water channel and for supplying water in the circulation water channel to the display water channel. In the mountain stream device, a drainage channel with width enough to guide water flowing in the display water channel to the circulation water channel regularly is provided in a connection part with the circulation water channel on the downstream side of the display water channel, and the pump can discharge water so that water flowing in the display water channel forms laminar flow and the pump can adjust a flow rate.SELECTED DRAWING: Figure 1
Patent JP-2017132839-A (JP)
Title: Polyarylene sulfide resin having biphenyl backbone, and method for producing the same
Inventor: ARAKI TAKASHI
IPC: C07C319/14
Filed: 2016-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a method allowing production of a crystalline polyarylene sulfide resin with high heat resistance.SOLUTION: Disclosed is a polyarylene sulfide resin having a main chain including a structural unit represented by general formula (1.1). No absorption peak derived from a sulfonyl group is observed in the infrared absorption spectrum of the polyarylene sulfide resin. [In general formula (1.1), Arand Areach independently represent an optionally substituted arylene group.]SELECTED DRAWING: None
Patent JP-2017131287-A (JP)
Title: Cordless therapeutic point searching device
Inventor: WATANABE YUTAKA
IPC: A61B5/296
Filed: 2016-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a cordless therapeutic point searching device characterized by use of no electric cord, thus allowing for easy searching for a therapeutic point while holding with one hand as well as enabling switching of the sensitivity with the tip of a finger of the hand holding the device.SOLUTION: A cordless therapeutic point searching device according to the present invention comprises: a battery and lead wires attached to the main body formed of an electric nonconductor and constituting a pen-type housing; a probe of a good electric conductor installed inside a tip housing portion and connected to the lead wires; a pair of electrodes including an indifferent electrode formed of the tip housing portion; and electric current sensing devices interposed between the probe and the pair of electrodes, the device being characterized in that the pair of electrodes are arranged very closely such as being placed within an external diameter of 2 mm of the tip housing portion of the pen-type housing to thereby eliminate the use of an electric cord, and the device can be operated without using a high-voltage, high-capacity battery, thus enhancing the ease of use and carrying.SELECTED DRAWING: Figure 1
Patent JP-2017132853-A (JP)
Title: Method for adhering fluorine-containing elastomer to base material
Inventor: MUTO MITSUO
IPC: C09D7/12
Filed: 2016-01-26
Abstract: PROBLEM TO BE SOLVED: To provide an adhesion method using a photo-curable fluoropolyether-based elastomer composition combining satisfactory storage stability and fast curability and whose adhesion is possible at low temperature in a short time.SOLUTION: Provided is a method for adhering the cured matter of an elastomer composition to a base material comprising a process where the surface of a base material is beforehand subjected to plasma irradiation in an oxygen-containing atmosphere to modify the surface of the base material, the surface is coated with a photocurable fluoropolyether-based elastomer composition, and the composition is photo-irradiated so as to be cured, and is thereafter made to stand at 10 to 120°C.SELECTED DRAWING: None
Patent JP-2017132587-A (JP)
Title: Sheet feeding device and image formation system
Inventor: SENDO HIROSHI
IPC: B65H1/04
Filed: 2016-01-27
Abstract: PROBLEM TO BE SOLVED: To stably separate and float a sheet from a sheet bundle without excessively increasing an air capacity and air pressure of a floating air to be blown to a lateral face of the sheet bundle.SOLUTION: When feeding an uppermost sheet of a sheet bundle, a sheet feeding device has an abutment member 251 abut on a lateral face of the sheet bundle facing an air blowing port 212a of an air blowing part 212, raises the abutting abutment member 251 together with the air blowing part 212 and supplies separation air that is supplied from the air blowing port 212a to the lateral face of the sheet bundle, between sheets.SELECTED DRAWING: Figure 4
Patent JP-2017132518-A (JP)
Title: Trigger type liquid jetting tool
Inventor: TSUNODA YOSHIYUKI
IPC: B05B11/00
Filed: 2016-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a trigger type liquid jetting tool capable of continuously jetting a liquid.SOLUTION: A trigger type liquid jetting tool 1 comprises: a storage cylinder 90 to which a liquid is supplied; a storage plunger 91 which moves to one side of an axial direction following to supply of the liquid into the storage cylinder 90; a negative pressure plunger 93 which is connected to the storage plunger 91; a negative pressure cylinder 94 in which the negative pressure plunger 93 is movably stored; an auxiliary cylinder 140 which is provided independently from the storage plunger 91; an auxiliary plunger 150 which is movably provided in the auxiliary cylinder 140; and a communication path 160 for communicating a part which is positioned between the negative pressure cylinder 94 and the negative pressure plunger 93, and a part which is positioned between the auxiliary cylinder 140 and the auxiliary plunger 150. The auxiliary cylinder 140 is closed at one end opening in an axial line O3 direction, and the auxiliary plunger 150 is stored movably toward the other side of the axial line O3 direction.SELECTED DRAWING: Figure 1
Patent JP-2017137735-A (JP)
Title: U-groove
Inventor: URUSHIHARA HIROSHI
IPC: E03F5/04
Filed: 2016-02-05
Abstract: PROBLEM TO BE SOLVED: To provide a new U-groove excellent in handleability from a viewpoint of construction, by securing higher rigidity sufficiently endurable against earth pressure from the side on left-right sidewall parts of the U-groove, particularly, an upper part.SOLUTION: In a U-groove composed of a hard synthetic resin or a fiber-reinforced resin, the U-groove is provided so that in its bottom wall and left-right sidewalls, a recess-shaped recessed wall part and a projection-shaped projection wall part are alternately substantially continuously formed over the longitudinal direction of the groove, and the recessed wall part forms a recessed strip structure having a flat bottom surface and left-right inclined planes of continuing with this surface and the projection wall part, and the projection wall part also forms a projection strip structure having a flat top surface and left-right inclined planes of continuing with this surface and the recessed wall part, and in an upper part of the left-right sidewalls, the recessed wall part forms a shape of being squeezed to the inside from the outside toward an upper end of the sidewall, and in an upper end of the left-right sidewalls, a reinforcement flange of extending further to the outside is continuously formed over the longitudinal direction of the groove.SELECTED DRAWING: Figure 1
Patent JP-2017141569-A (JP)
Title: Ladder fall prevention device
Inventor: WATABE TAKEO
IPC: E06C7/00
Filed: 2016-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a ladder fall prevention device that can extremely easily be mounted in a ladder, and can prevent a worker on the ladder from falling on the ground by supporting the ladder from the lower part when the ladder is turned over.SOLUTION: A ladder fall prevention device includes: an upper member 10 capable of being mounted on an upper surface of a landing peg 70 of a ladder 200; a lower member 20 for covering the lower surface of the landing peg 70; a connecting member 30 for connecting the upper member 10 with the lower member 20 so that the landing peg 70 may come in and out between the upper member 10 and the lower member 20; and a rod member 50 extended from the lower member 20 to the lower part. A longitudinal length of the lower member 20 is formed longer than the longitudinal length of the upper member 10, and the ladder 200 is supported from the lower part by the lower member 20 and the rod member 50 when the ladder 200 is turned over.SELECTED DRAWING: Figure 3