JP2011206262A - Scissors type manual gadget, grip attachment, and grip covering structure - Google Patents
Scissors type manual gadget, grip attachment, and grip covering structure Download PDFInfo
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Abstract
Description
本発明は、刃体（作用部）と把握体（操作部）を有した鋏半体要素からなる対部材を交差させ、交差部を軸支して回動可能又は開閉可能に結合し、前記鋏半体要素の一部にそれぞれ衝突部又はストッパを対向形成してなるとともに、前記把握体のそれぞれに軟質弾性材料からなる被覆体を覆装し、かつ、その自由端部の各内面に、切断操作時に弾性的に衝合可能な緩衝部材を対設してなり、把持圧力の分散を増補するとともに、切断操作時に衝突部又はストッパ同士の撃力の発生に起因する手指への衝撃を緩和するようにした鋏型手動利器に係り、詳しくは、複数の軟質弾性材料を用いた複合被覆により制振性を含む衝撃吸収性、圧力分散性、耐候性その他の操作環境評価に係る負条件を多角的に改善した鋏型手動利器、グリップアタッチメント及びグリップ被覆構造に関する。 The present invention crosses a pair member composed of a half body element having a blade body (action portion) and a grasping body (operation portion), and pivotally supports the crossing portion so as to be rotatable or openable and closable. Each of the half-body elements is formed with a collision portion or a stopper so as to face each other, and each of the grasping bodies is covered with a covering made of a soft elastic material, and each inner surface of the free end portion thereof, A cushioning member that can elastically collide during the cutting operation is provided to increase the dispersion of the gripping pressure and reduce the impact on the fingers caused by the impact of the collision part or stopper during the cutting operation. Specifically, the negative conditions related to the evaluation of the operating environment, such as shock absorption including vibration damping, pressure dispersibility, weather resistance, etc. by composite coating using a plurality of soft elastic materials. Multifaceted improved hand-operated bowl, grip attachment Door and a grip coating structure.
ここで、本発明に関する鋏型手動利器の適用範囲（用途）は、比較的硬いもの（難切断材料）を長時間の反復作業を要して剪断（切断）するような鋏類であって、例えば採果鋏、摘果鋏、摘花鋏、芽切り鋏、生花鋏、園芸鋏、剪定・枝切り鋏、電気工事鋏、大工用鋏、難切断繊維用裁断鋏等として指称されるものである。なお、本発明に関し「切断」と「剪断」は互換的に使用する。また、「柄」及び「グリップ」は「把握体（操作部）」と同義である。 Here, the application range (use) of the vertical hand-operated instrument relating to the present invention is a kind such as shearing (cutting) a relatively hard object (difficult-to-cut material) by requiring repeated work for a long time, For example, it is designated as a fruit culm, a fruit culm, a flower culm, a sprout culm, a fresh flower culm, a horticultural culm, a pruning / branch culm, an electric work culm, a carpenter sculpture, a difficult-to-cut fiber severance sculpture, etc. In the present invention, “cut” and “shear” are used interchangeably. “Handle” and “grip” are synonymous with “grasping body (operation unit)”.
従来より、一般的な鋏は、２枚の刃体に設けられる柄（把握体に同じ）の開閉動作によって被切断物を切り離すための手動利器として周知である。そのなかには、園芸用や農業用として提供されている鋏類には、柄の内側にそれぞれ松葉バネやコイルバネを介設して、両刃体が自動的に開くように付勢したものがある。なおかつ、２本の柄を取り付ける根脚体に対向形成された衝突部にそれぞれ緩衝体を設けて、剪断時の衝撃や衝突音の発生を減弱しようとするものがみられる（例えば、特許文献１を参照）。 Conventionally, a general scissors is well known as a manual instrument for separating an object to be cut by opening / closing operations of a handle (same as a grasping body) provided on two blade bodies. Among them, some moss provided for horticultural use or agriculture use pine needle springs or coil springs on the inside of the handle, respectively, to urge the blades to open automatically. In addition, there is a case in which a shock absorber is provided at each of the collision parts formed to face the base leg body to which the two handles are attached, so as to reduce the occurrence of shock and collision noise during shearing (for example, Patent Document 1). See).
しかしながら、衝突音に関しては、減弱化とは逆に切断作業の調子をとるために快音を発する点に技術的意義を認めたものがある（例えば、特許文献２を参照）。ここでは、輪状形成した操作部（把握体に同じ）の内側の衝突部に金属等の硬質物を出し入れ自在（当たり具合を調整可能）に対向設置して快音の発生を保障し、かつ、弾性樹脂製のグリップを用いて衝突の勢い（撃力）を吸収するようにしている。 However, with respect to the collision sound, there is one that has recognized technical significance in that it emits a pleasant sound to adjust the cutting operation contrary to attenuation (see, for example, Patent Document 2). Here, hard objects such as metal can be put in and out of the collision part inside the ring-shaped operation part (same as the grasping body) so that it can be inserted and removed freely (the contact condition can be adjusted) to ensure the generation of pleasant sounds and elastic A resin grip is used to absorb the impact of the collision.
近年、多くの鋏類のグリップに、合成ゴムなどの樹脂素材を被覆したものがみられるが、この施装目的は主に滑り防止と柔軟な触感の付与であって、切断操作時の手指への衝撃の緩和を目的効果とするものはみられない（例えば、特許文献３を参照）。 In recent years, many grips of moss have been coated with a resin material such as synthetic rubber. The purpose of this application is mainly to prevent slipping and to provide a soft touch, and to the fingers during cutting operations. There is no one that has the objective effect of reducing the impact (see, for example, Patent Document 3).
しかしながら、この種の棒状のグリップに樹脂被覆を施しただけでは、鋏操作を反復しているうちに指が刃先方向へ前進していくことを阻止しづらいという問題がある。このため、グリップに指止め体を設けたり（例えば、特許文献４を参照）、突起部や大きな彎曲部を有したグリップ形状としているものも多い。 However, there is a problem that it is difficult to prevent the finger from moving forward in the direction of the blade edge while repeating the scissors operation only by applying a resin coating to this kind of rod-shaped grip. For this reason, there are many cases in which a finger stopper is provided on the grip (for example, see Patent Document 4) or a grip shape having a protrusion or a large bent portion.
上記従来技術に関し、少なくとも園芸用や農業用として提供されている鋏類（前掲の採果鋏、摘果鋏、摘花鋏、芽切り鋏、生花鋏、園芸鋏、剪定・枝切り鋏等）について、具体的な問題点は以下のとおり集約される。 With regard to the above-mentioned prior art, at least for moss provided for horticulture or agriculture (the above-mentioned fruit culm, fruit culm, flower culm, sprout culm, fresh floret, horticultural culm, pruning / branch culm, etc.) Specific problems are summarized as follows.
（１）把握体が素材剥き出しであったり、樹脂被覆していても硬かったり、柔らかくても厚さ１ｍｍ程度の薄いものであったりするので、接触する手指に大きな衝撃と把持圧力の増大や偏重によって痛みが発生するという問題がある。 (1) Since the grasping body is bare material, is hard even if it is coated with resin, or is soft, it is thin with a thickness of about 1 mm. There is a problem that causes pain.
（２）グリップの刃先側端部を彎曲形成したものでは、グリップの直線部分が短くなるので、示指、中指、薬指、小指の４本の指でしっかりとした把握がしづらく、人差指が彎曲部の上に配置されたり、小指がグリップエンドの外側に配置されたりというようになり、４本の指で均等的に力を発揮することが困難となるため、中指や薬指に大きな筋負担と衝撃圧が掛かるという問題が生じる。 (2) In the case where the edge of the grip edge is bent, the straight part of the grip is shortened, making it difficult to grasp firmly with the four fingers of the index finger, middle finger, ring finger, and little finger. Placed on the top, or the little finger is placed outside the grip end, making it difficult to exert force evenly with four fingers. There arises a problem that pressure is applied.
（３）鋏を用いた長時間反復作業における衝撃の繰り返しは、手の正中神経を圧迫し慢性的に手がしびれるといったような症状が現われる手根管症候群などの頸肩腕障害を発生させ、健康を阻害する要因となることが知られており、これらの上肢負担を軽減するためには、グリップの効果的な位置に衝撃緩衝材を配置したり、グリップに被覆する樹脂の硬度や形状を適切にしたりすることが重要である。 (3) Repeated impact in long-term repetitive work using acupuncture causes neck-shoulder arm disorders such as carpal tunnel syndrome in which symptoms such as chronic hand numbness occur due to pressure on the median nerve of the hand, and health In order to reduce the burden on the upper limbs, it is necessary to place an impact cushioning material at the effective position of the grip and to set the hardness and shape of the resin covering the grip appropriately. It is important to make it.
こうしたなかで、本発明者らは先に切断操作時の部材衝突による手指への衝撃を緩和できるとともに、刃先への指の前進を防止し、それぞれの指が均等的に力を発揮することにより、長時間の鋏を用いた反復作業が可能な鋏型手動利器及びそのグリップアタッチメントを提案してきた（以下、先願発明；特許文献５を参照）。 Under these circumstances, the present inventors can reduce the impact on the finger due to the member collision during the cutting operation first, prevent the finger from moving forward to the blade edge, and each finger exerts a force equally. Have proposed a saddle type manual instrument and a grip attachment capable of repetitive work using a long saddle (hereinafter referred to as invention of prior application; Patent Document 5).
本発明が解決しようとする課題は、先願発明について、より効果的に衝撃を解消する性能を改善する余地がある。特に複数の軟質弾性材料を用いた複合被覆により制振性（防振及び除振に関する性能を含む）の改善に関する問題解決が求められる。 The problem to be solved by the present invention has room for improving the performance of eliminating the impact more effectively with respect to the prior application invention. In particular, it is required to solve problems related to improvement of vibration damping properties (including performance related to vibration isolation and vibration isolation) by composite coating using a plurality of soft elastic materials.
この制振性の改善は、長時間の反復作業を強いられる鋏を用いた切断操作において衝撃の緩和、滑り防止、圧迫防止、筋肉ポンプ作用促進効果を増補することになるからである。 This improvement in the vibration damping property is because the effect of alleviating impact, preventing slipping, preventing pressure, and promoting muscle pump action is increased in the cutting operation using the scissors that are forced to perform repetitive work for a long time.
本発明はこのような事情に鑑みなされたものであって、上記課題を解消し、複数の軟質弾性材料を用いた複合被覆により制振性を含む衝撃吸収性、圧力分散性、耐候性その他の操作環境評価に係る負条件を多角的に改善することにより長時間の鋏を用いた反復作業が可能な鋏型手動利器、グリップアタッチメント及びグリップ被覆構造を提供するものである。 The present invention has been made in view of such circumstances, and has solved the above-described problems, and has a shock absorbing property including a vibration damping property, a pressure dispersibility, a weather resistance and the like by a composite coating using a plurality of soft elastic materials. It is intended to provide a saddle type manual instrument, a grip attachment, and a grip covering structure capable of repetitive work using a kite for a long time by improving the negative conditions related to the operation environment evaluation in various ways.
課題を解決するために、第１の発明は、刃体（作用部）と把握体（操作部）を有した鋏半体要素からなる対部材を交差させ、交差部を軸支して回動可能又は開閉可能に結合し、前記鋏半体要素の一部にそれぞれ衝突部又はストッパを対向形成してなるとともに、前記把握体のそれぞれに軟質弾性材料からなる被覆体を覆装し、かつ、その自由端部の各内面に、切断操作時に弾性的に衝合可能な緩衝部材を対設してなり、把持圧力の分散を増補するとともに、切断操作時に衝突部又はストッパ同士の撃力の発生に起因する手指への衝撃を緩和するようにした鋏型手動利器において、
複数の軟質弾性材料を用いた複合被覆により制振性を含む衝撃吸収性、圧力分散性、耐候性その他の操作環境評価に係る負条件を多角的に改善した鋏型手動利器であって、
前記被覆体及び前記緩衝部材が、いずれも２種類又はそれ以上の物性特性の異なる軟質弾性素材を積層して内外層を複合形成したものであり、
それぞれ最内層の構成素材はいずれも衝撃吸収率８０％以上の制振ゴムであり、
それぞれ最外層の構成素材はいずれもゴム、シリコン樹脂その他の弾性樹脂である
ことを特徴とするものである。
In order to solve the problem, the first invention crosses a pair of members made up of a half body element having a blade body (action portion) and a grasping body (operation portion), and pivots around the intersection portion to rotate. A collapsible portion or a stopper is formed oppositely to a part of the saddle half element, and a covering body made of a soft elastic material is covered on each of the grasping bodies, and A shock absorbing member that can elastically collide with each other at the time of cutting operation is provided on each inner surface of the free end portion to increase the dispersion of the gripping pressure, and at the same time, the striking force between the collision parts or stoppers is generated during the cutting operation. In a vertical hand-operated instrument designed to alleviate the impact on fingers caused by
It is a vertical hand-operated instrument that has improved the negative conditions related to evaluation of impact environment such as shock absorption including vibration damping, pressure dispersibility, weather resistance and other operational environment by composite coating using a plurality of soft elastic materials,
The covering body and the cushioning member are each formed by laminating two or more types of soft elastic materials having different physical properties and compositely forming inner and outer layers,
Each of the constituent materials of the innermost layer is a damping rubber with an impact absorption rate of 80% or more,
Each of the constituent materials of the outermost layer is characterized by being rubber, silicon resin or other elastic resin.
また、第２の発明は、刃体（作用部）と把握体（操作部）を有した鋏半体要素からなる対部材を交差させ、交差部を軸支して回動可能又は開閉可能に結合し、前記鋏半体要素の一部にそれぞれ衝突部又はストッパを対向形成してなる鋏型手動利器に付加装着され、
把握体上で把持圧力の分散を増補するとともに、切断操作時に衝突部又はストッパ同士の撃力の発生を無化又は減弱して手指への衝撃を緩和するために、
前記把握体のそれぞれに覆装可能に形成した軟質弾性材料からなる被覆体構成部と、前記把握体の自由端部の各内面に対設され、切断操作時に弾性的に衝合可能に形成した軟質弾性材料からなる緩衝部材構成部からなり、
前記被覆体構成部と前記緩衝部材構成部とを、それぞれ別体形成し組み合わせて付加装着するか、又は複合的に一体成形して付加装着するようにした鋏型手動利器のグリップアタッチメントにおいて、
複数の軟質弾性材料を用いた複合被覆により制振性を含む衝撃吸収性、圧力分散性、耐候性その他の操作環境評価に係る負条件を多角的に改善した鋏型手動利器のグリップアタッチメントであって、
前記被覆体構成部及び前記緩衝部材構成部が、いずれも２種類又はそれ以上の物性特性の異なる軟質弾性素材を積層して内外層を複合形成したものであり、
それぞれ最内層の構成素材はいずれも衝撃吸収率８０％以上の制振ゴムであり、
前記被覆体構成部の最外層の構成素材はゴム、シリコン樹脂その他の弾性樹脂であって、２ｍｍ以上の断面肉厚を有し、かつ、ショアＡ硬さ１５〜５０範囲の表面硬さを有するものであり、
前記緩衝部材構成部の最外層の構成素材はゴム、シリコン樹脂その他の弾性樹脂であって、２ｍｍ以上の断面肉厚を有し、かつ、その衝合面はショアＡ硬さ１５〜７０範囲の表面硬さを有するものであることを特徴とするものである。
Moreover, 2nd invention makes the counter member which consists of a half body element which has a blade body (action | operation part) and a grasping body (operation part) cross | intersect, and can be rotated or opened and closed by pivotally supporting the intersection part. Combined and attached to a saddle type manual instrument formed by opposingly forming a collision part or a stopper on a part of the saddle half element,
In order to increase the dispersion of the gripping pressure on the grasping body, and to eliminate or reduce the occurrence of impact force between the collision part or the stoppers at the time of cutting operation, to reduce the impact on the fingers,
A covering component part made of a soft elastic material formed so as to be able to be covered on each of the grasping bodies and each inner surface of the free end portion of the grasping body, and formed so as to be able to elastically collide during a cutting operation. It consists of a cushioning member component made of soft elastic material,
In the grip attachment of the saddle type manual instrument, the covering member constituting part and the cushioning member constituting part are separately formed and combined for additional attachment, or combined integrally molded and additionally attached,
This is a vertical hand grip grip attachment that has improved the negative conditions related to shock absorption, pressure dispersibility, weather resistance, and other operational environment evaluations in a multifaceted manner by composite coating using multiple soft elastic materials. And
The covering component and the cushioning member component are formed by laminating two or more types of soft elastic materials having different physical properties and compositely forming inner and outer layers.
Each of the constituent materials of the innermost layer is a damping rubber with an impact absorption rate of 80% or more,
The constituent material of the outermost layer of the covering member is rubber, silicon resin or other elastic resin, has a cross-sectional thickness of 2 mm or more, and has a Shore A hardness in the range of 15-50. Is,
The constituent material of the outermost layer of the cushioning member constituting portion is rubber, silicone resin or other elastic resin, has a cross-sectional thickness of 2 mm or more, and its abutting surface has a Shore A hardness in the range of 15 to 70. It has a surface hardness.
また、第３の発明は、刃体（作用部）と把握体（操作部）を有した鋏半体要素からなる対部材を交差させ、交差部を軸支して回動可能又は開閉可能に結合し、前記鋏半体要素の一部にそれぞれ衝突部又はストッパを対向形成してなるとともに、前記把握体のそれぞれに軟質弾性材料からなる被覆体を覆装し、かつ、その自由端部の各内面に、切断操作時に弾性的に衝合可能な緩衝部材を対設してなり、把持圧力の分散を増補するとともに、切断操作時に衝突部又はストッパ同士の撃力の発生に起因する手指への衝撃を緩和するようにした鋏型手動利器において、
複数の軟質弾性材料を用いた複合被覆により制振性を含む衝撃吸収性、圧力分散性、耐候性その他の操作環境評価に係る負条件を多角的に改善した鋏型手動利器のグリップ被覆構造であって、
前記被覆体及び前記緩衝部材が、いずれも２種類又はそれ以上の物性特性の異なる軟質弾性素材を積層して複合形成した内外層を有し、
それぞれ最内層の構成素材はいずれも衝撃吸収率８０％以上の制振ゴムであり、
それぞれ最外層の構成素材はいずれもゴム、シリコン樹脂その他の弾性樹脂である
ことを特徴とするものである。
In addition, the third invention crosses a pair of half-body elements having a blade body (acting portion) and a grasping body (operation portion), and pivots or supports the opening or closing by pivoting the intersecting portion. And a collision part or a stopper is formed opposite to each part of the saddle half element, a covering made of a soft elastic material is covered on each of the grasping bodies, and the free end of the free end part is covered. Each inner surface is provided with a cushioning member that can elastically collide during cutting operation to increase the dispersion of gripping pressure, and to fingers caused by the occurrence of impact force between collision parts or stoppers during cutting operation In the vertical hand-operated instrument designed to reduce the impact of
This is a saddle type manual instrument grip covering structure that multi-improves negative conditions related to shock absorption, pressure dispersion, weather resistance, and other operational environment evaluations by composite coating using multiple soft elastic materials. There,
The covering body and the cushioning member each have inner and outer layers formed by combining and laminating two or more types of soft elastic materials having different physical properties,
Each of the constituent materials of the innermost layer is a damping rubber with an impact absorption rate of 80% or more,
Each of the constituent materials of the outermost layer is characterized by being rubber, silicon resin or other elastic resin.
本発明は、複数の軟質弾性材料を用いた複合被覆からなるグリップを構成しているので、少なくとも制振性を含む衝撃吸収性、圧力分散性、耐候性その他の操作環境評価に係る負条件を多角的に改善できる。 Since the present invention constitutes a grip composed of a composite coating using a plurality of soft elastic materials, at least negative conditions related to evaluation of operating environment such as shock absorption including vibration damping, pressure dispersibility, weather resistance and the like. It can be improved in various ways.
特に制振性を増補したグリップの被覆構造により、長時間の反復作業を強いられる鋏を用いた切断操作において衝撃の緩和、滑り防止、圧迫防止、筋肉ポンプ作用促進効果を増補することが可能となる。 In particular, the grip cover structure with enhanced vibration damping can relieve impact, prevent slipping, prevent compression, and enhance the muscle pump action during cutting operations using scissors that are forced to perform repetitive work for a long time. Become.
本発明の実施の形態は、上記構成の鋏型手動利器及びグリップ被覆構造において、それぞれに共通して以下の複合被覆を構成している。 In the embodiment of the present invention, the following composite coating is configured in common in the saddle-type manual organ and the grip coating structure configured as described above.
被覆体の最外層の弾性樹脂が２ｍｍ以上の断面肉厚を有し、かつ、ショアＡ硬さ１５〜５０範囲の表面硬さを有するものとしている。 The outermost elastic resin of the covering body has a cross-sectional thickness of 2 mm or more and a surface hardness in the range of Shore A hardness of 15 to 50.
また、緩衝部材の最外層の弾性樹脂が２ｍｍ以上の断面肉厚を有し、かつ、その衝合面はショアＡ硬さ１５〜７０範囲の表面硬さを有するものとしている。 Moreover, the elastic resin of the outermost layer of the buffer member has a cross-sectional thickness of 2 mm or more, and its abutting surface has a surface hardness in the range of Shore A hardness 15 to 70.
本発明の実施例である鋏型手動利器（以下、実施例鋏体Ｘ。）、グリップアタッチメント（以下、実施例アタッチメントＹ。）及びグリップ被覆構造（以下、実施例被覆構造Ｚ。）についてそれぞれ添付図面を参照して以下詳細説明する。 A vertical hand-operated instrument (hereinafter referred to as an example casing X), a grip attachment (hereinafter referred to as an example attachment Y), and a grip covering structure (hereinafter referred to as an example covering structure Z), which are examples of the present invention, are attached. A detailed description will be given below with reference to the drawings.
（実施例１）
図１は、実施例鋏体Ｘの正面視説明図であって、把握体12（１）に一体成形した被覆体２（10）及び緩衝部材３（10）を覆装したストレート＆ロングカバーグリップの構成例を示し、かつ、そのグリップ被覆構造（Ｚ）が複合被覆であることを部分断面視で示している。
(Example 1)
FIG. 1 is a front view explanatory view of an embodiment case X, and a straight and long cover grip covering a covering body 2 (10) and a buffer member 3 (10) integrally formed on a grasping body 12 (1). And shows that the grip coating structure (Z) is a composite coating in a partial cross-sectional view.
図示した実施例鋏体Ｘは４本指で均等的に力を発揮できるようにした剪定鋏の一例である。その特徴的形状は、刃体11（１）から把握体12（１）へ移行する部分がほぼ直角であり、把握体12（１）の直線部分を長く造形してストレート＆ロングカバーグリップを形成した点にある。 The illustrated embodiment frame X is an example of a pruning rod that can exert its force evenly with four fingers. Its characteristic shape is that the part that transitions from the blade 11 (1) to the grasping body 12 (1) is almost perpendicular, and the straight part of the grasping body 12 (1) is shaped to form a straight and long cover grip. It is in the point.
図１に示すように、実施例鋏体Ｘは、鋏半体要素１の把握体12（１）のそれぞれに複数の軟質弾性材料からなる被覆体２（10）を覆装している。かつまた、把握体12（１）の自由端部（交差部軸支点14からの遠位端部に同じ）の各内面に、複数の軟質弾性材料からなる緩衝部材３（10）をそれぞれ設け、かつ、切断操作時に弾性的に衝合可能に対向形成している。
As shown in FIG. 1, the embodiment case X covers a grasping body 12 (1) of the
被覆体２（10）及び緩衝部材３（10）は、いずれも２種類又はそれ以上の物性特性の異なる軟質弾性素材を積層して内外層を複合形成したものとされ、それぞれ最内層の構成素材はいずれも衝撃吸収率８０％以上の制振ゴム21;31 であり、それぞれ最外層の構成素材はいずれもシリコン樹脂22;32 である。図示のとおり、被覆体２及び緩衝部材３は一体成形したもの（緩衝部付被覆体10）を示している。
The covering 2 (10) and the cushioning member 3 (10) are formed by laminating two or more kinds of soft elastic materials having different physical properties to form a composite of inner and outer layers, each of which is a constituent material of the innermost layer. Are damping rubbers 21; 31 having an impact absorption rate of 80% or more, and the constituent materials of the outermost layers are
この構成によって特に制振性を増補し、切断操作時に衝突部13（又はストッパ）同士の撃力の発生を無化又は減弱して手指への衝撃をより効果的に緩和する。 With this configuration, vibration damping is particularly supplemented, and the impact on the fingers is more effectively mitigated by eliminating or reducing the occurrence of striking force between the collision parts 13 (or stoppers) during the cutting operation.
最内層の構成素材として好適な軟質弾性材料は制振ゴム21;31 である。 A soft elastic material suitable as a constituent material of the innermost layer is a vibration damping rubber 21; 31.
なお、この種の制振ゴムは、有機溶剤に耐性が小さく、水で膨潤する欠点があるため最内層として使用し、最外層には以下に述べる耐候性等環境適性に優れたシリコン樹脂を使用する。 This type of vibration-damping rubber is used as the innermost layer because it has low resistance to organic solvents and swells with water, and the outermost layer uses a silicon resin with excellent environmental suitability such as weather resistance described below. To do.
被覆体２（10）及び緩衝部材３（10）の最外層の構成素材として好適な弾性樹脂はシリコン樹脂22;32 である。シリコン樹脂は、撥水性、耐熱性、耐寒性、耐候性に優れるため、農作業や園芸作業など屋外での作業に適する。
An elastic resin suitable as a constituent material of the outermost layer of the covering 2 (10) and the buffer member 3 (10) is
ここで、被覆体２（10）の最外層のシリコン樹脂22の表面硬さは、ショアＡ硬さ１５〜５０範囲（至適には３０〜４１）とするのが好ましい。一方、緩衝部材３（10）〔衝合面33〕の最外層のシリコン樹脂32の表面硬さは、ショアＡ硬さ１５〜７０範囲とするのが好ましい。断面肉厚はいずれも２ｍｍ以上であるのが好ましい。
Here, the surface hardness of the
この好適範囲は実験的事実に基づくものであり、弾性効果により手指への圧迫を緩和し、手指筋の筋肉ポンプ作用（筋収縮弛緩による血流改善作用）を促進して筋血流を改善することを確認しており、鋏を用いた長時間の反復作業に適するものである。 This preferred range is based on experimental facts, relieving pressure on the fingers by elastic effects, and promoting muscle pumping action of the finger muscles (improving blood flow by relaxing muscle contraction) to improve muscle blood flow. It has been confirmed that it is suitable for long-term repetitive work using scissors.
なお、上記推奨の制振ゴムの衝撃吸収率は刮目に価するものであるが、有機溶剤への耐性が劣り、水で膨潤する欠点があるため最内層として使用し、最外層には耐候性等環境適性に優れたシリコン樹脂を使用する。 Note that the shock absorption rate of the above recommended damping rubber is worthy of a square, but it is used as the innermost layer because it has poor resistance to organic solvents and has the disadvantage of swelling with water, and the outermost layer is weather resistant. Use silicone resin with excellent environmental suitability.
実施例鋏体の効果を実証するために、以下の実験をおこない結果を評価した。 In order to demonstrate the effect of the example housing, the following experiment was conducted and the results were evaluated.
＜痛み及び手指負担自覚症状の比較実験＞
切断時の衝撃力が強い剪定鋏（実施例鋏体に同じ）について、２０代の健康な学生１０名を被験者にして、従来品と、シリコン樹脂のみを被覆した先願発明の実施製品（ソフトグリップ）と、シリコン樹脂と制振ゴムを複合被覆した本発明構成品（制振グリップ）を使用して、４２分間にわたり角材のカット作業を行わせ、衝撃による上肢の自覚症状及び手指負担に関する評価を比較した。
<Comparison experiment of pain and finger burden subjective symptoms>
For pruning shears with the strong impact force at the time of cutting (same as the case body of the example), with 10 healthy students in their twenties as subjects, the conventional product and the product of the invention of the prior application covered only with silicone resin (soft Grip), and using the composition of the present invention (vibration control grip) that is a composite coating of silicone resin and vibration control rubber, cut the square material for 42 minutes, and evaluate the subjective symptoms of the upper limb and the finger burden caused by impact Compared.
表１に上記３種類のグリップ被覆構造の異なる剪定鋏による母指及び２−５指（示指、中指、薬指及び小指）の痛み自覚症状に関する検査結果を示す。痛み自覚症状検査には「Ｂｏｒｇスケールの１０点法」を採用している。得点が高いほど、痛みを発症していることとなる。なお、数値データは平均値である。 Table 1 shows the test results regarding the subjective symptoms of pain of the thumb and 2-5 fingers (indicating finger, middle finger, ring finger, and little finger) by the pruning scissors having different three types of grip covering structures. The “Borg scale 10-point method” is used for the pain symptom test. The higher the score, the more pain is developed. The numerical data is an average value.
表１の結果、複合被覆〔シリコン＋制振ゴム〕を施した制振グリップ（本発明構成品）が痛みを発症しにくく、衝撃緩和効果が顕著であることが確認された。 As a result of Table 1, it was confirmed that the vibration-damping grip (the component of the present invention) to which the composite coating [silicone + vibration-damping rubber] was applied hardly caused pain, and the impact relaxation effect was remarkable.
表２は、被検者に上記３種類の剪定鋏について手指負担の少ない順にランク（１−５）を付けさせたものである。なお、数値データは平均ランクを示す。 Table 2 shows the subjects given ranks (1-5) in order of increasing finger burden for the above three types of pruning shears. The numerical data indicates the average rank.
表２の結果、痛み自覚症状と同様に、複合被覆〔シリコン＋制振ゴム〕を施した制振グリップ（本発明構成品）が手指負担が少ないと評価された。 As a result of Table 2, it was evaluated that the vibration-damping grip (the component of the present invention) to which the composite coating [silicone + vibration-damping rubber] was applied was less burdened on the fingers like the subjective pain symptoms.
＜衝撃緩和効果の比較実験＞
切断時の衝撃力が強い剪定鋏（実施例鋏体に同じ）について、シリコン樹脂のみを被覆した先願発明の実施製品（ソフトグリップ）と、シリコン樹脂と制振ゴムを複合被覆した本発明構成品（制振グリップ）を使用して、衝撃緩和効果を比較した。
<Comparison experiment of impact relaxation effect>
For the pruning shears with the strong impact force at the time of cutting (same as the case body of the example), the implementation product of the invention of the prior application (soft grip) coated only with the silicone resin, and the composition of the present invention in which the silicone resin and the damping rubber are combined The impact mitigation effect was compared using products (damping grips).
実験対象は、表３に被験者のプロフィールを示すように、健康な成人１０名（男性８名、女性２名）を対象に切断実験を行ったものである。 As shown in Table 3, the subjects of the experiment were those obtained by conducting a cutting experiment on 10 healthy adults (8 men and 2 women).
実験方法は、被験者の右手の橈骨の茎状突起部に加速度センサーを運動用テープで装着して、直径３ｍｍの竹ひごを、上記２種類の剪定鋏を使用して３秒に１回のペースで、繰り返し１０回切断させ、切断時の跳ね返り（反動）の衝撃を測定したものである。 In the experiment method, an accelerometer was attached to the stalk-like protrusion of the rib of the right hand of the subject with an exercise tape, and bamboo balls with a diameter of 3 mm were used at a pace of once every 3 seconds using the above two types of pruning rods. Then, it was cut repeatedly 10 times, and the impact of rebound (rebound) at the time of cutting was measured.
切断実験に際しては、各鋏とも５回程度練習をさせて実行した。切断順は、２つの鋏が均等な順番になるよう実施した。２つの鋏の実験の間には、２分間の休憩を挟んだ。表４に衝撃のピーク値（Ｇ）をそれぞれ示す。 In the cutting experiment, each kite was practiced about 5 times. The cutting order was performed so that the two wrinkles were in an equal order. There was a two-minute break between the two spider experiments. Table 4 shows the peak value (G) of impact.
実験の結果、制振グリップとソフトグリップの衝撃の平均値は、それぞれ８．９５Ｇと１９．４０Ｇであリ、制振グリップがソフトグリップに比して衝撃のピーク値が有意に低下していた。その衝撃緩和効果は、ソフトグリップに比して、制振グリップでは、衝撃が平均４６.１％に低下していた。この結果は、制振グリップに大きな衝撃緩和効果があることを示している。 As a result of the experiment, the average value of the impact of the vibration control grip and the soft grip was 8.95G and 19.40G, respectively, and the peak value of the impact of the vibration control grip was significantly lower than that of the soft grip. . The impact mitigating effect was that the impact was reduced to an average of 46.1% in the vibration-damping grip as compared with the soft grip. This result shows that the damping grip has a large impact mitigating effect.
（実施例２）
図２は、実施例アタッチメントＹの正面視説明図であって、把握体12（１）に一体成形した被覆体構成部20（10）及び緩衝部材構成部30（10）からなる緩衝部付被覆体10を覆装したショートカバーグリップの構成例を示し、かつ、そのグリップ被覆構造（Ｚ）が複合被覆であることを部分断面視で示している。
(Example 2)
FIG. 2 is a front view explanatory view of the embodiment attachment Y, and is a covering with a buffer portion comprising a covering member constituting portion 20 (10) and a shock absorbing member constituting portion 30 (10) integrally formed on the grasping body 12 (1). A configuration example of a short cover grip covering the
図２に示すように、実施例アタッチメントＹは、刃体11（作用部）と把握体12（操作部）を有した鋏半体要素１からなる対部材を交差させ、交差部（14）を軸支して回動可能又は開閉可能に結合し、鋏半体要素１の一部にそれぞれ衝突部13（又はストッパ）を対向形成してなる鋏型手動利器本体に付加装着され、把握体12（１）上で把持圧力の分散を増補するとともに、切断操作時に衝突部13（又はストッパ）同士の撃力の発生を無化又は減弱して手指への衝撃を緩和するために、把握体12（１）のそれぞれに覆装可能に形成した軟質弾性材料からなる被覆体構成部20（10）と、把握体の自由端部の各内面に対設され、切断操作時に弾性的に衝合可能に形成した軟質弾性材料からなる緩衝部材構成部30（10）からなり、被覆体構成部20（10）と緩衝部材構成部30（10）とを、それぞれ別体形成し組み合わせて付加装着するか、又は複合的に一体成形して付加装着するようにしたものである。
As shown in FIG. 2, the embodiment attachment Y crosses the paired member composed of the
図示の実施例アタッチメントＹは一体成形したショートカバーグリップ（緩衝部付被覆体10）の構成例を示している。
The illustrated embodiment attachment Y shows a configuration example of an integrally molded short cover grip (covering
ここで、被覆体構成部20（10）及び緩衝部材構成部30（10）は、いずれも２種類又はそれ以上の物性特性の異なる軟質弾性素材を積層して内外層を複合形成したものであり、それぞれ最内層の構成素材はいずれも衝撃吸収率８０％以上の制振ゴム21;31 である。 Here, each of the covering member constituting portion 20 (10) and the buffer member constituting portion 30 (10) is formed by laminating two or more kinds of soft elastic materials having different physical properties and forming a composite of inner and outer layers. Each of the constituent materials of the innermost layer is a damping rubber 21; 31 having an impact absorption rate of 80% or more.
また、被覆体構成部20（10）の最外層の構成素材はゴム、シリコン樹脂22その他の弾性樹脂であって、２ｍｍ以上の断面肉厚を有し、かつ、ショアＡ硬さ１５〜５０範囲の表面硬さを有するものとしている。
Moreover, the constituent material of the outermost layer of the covering component 20 (10) is rubber,
また、緩衝部材構成部30（10）の最外層の構成素材はゴム、シリコン樹脂32その他の弾性樹脂であって、２ｍｍ以上の断面肉厚を有し、かつ、衝合面をショアＡ硬さ１５〜７０範囲の表面硬さを有するものとしている。
The constituent material of the outermost layer of the cushioning member constituting portion 30 (10) is rubber,
被覆体構成部20（10）及び緩衝部材構成部30（10）の構成素材の詳細はそれぞれ実施例鋏体Ｘにおける場合と同様である。 The details of the constituent materials of the covering member constituting portion 20 (10) and the buffer member constituting portion 30 (10) are the same as those in the case X of the embodiment.
（実施例３）
図３は、実施例被覆構造Ｚを示す断面視説明図である。ここで、（ａ）は図１における被覆体２（10）のＡ−Ａ視左片側断面であり、（ｂ）は図１における緩衝部材３（10）のＢ−Ｂ視左片側断面である。右片側断面はいずれも対称にあらわれるので省略した。
(Example 3)
FIG. 3 is a cross-sectional explanatory view showing an example covering structure Z. Here, (a) is an AA left side cross section of the cover 2 (10) in FIG. 1, and (b) is a BB left side cross section of the buffer member 3 (10) in FIG. . The right side cross section is omitted because it appears symmetrical.
実施例被覆構造Ｚは、実施例鋏体Ｘ（図１）において、鋏半体要素１の把握体12（１）のそれぞれに複数の軟質弾性材料からなる被覆体２（10）を覆装している。かつまた、把握体12（１）の自由端部（交差部軸支点14からの遠位端部に同じ）の各内面に、複数の軟質弾性材料からなる緩衝部材３（10）をそれぞれ設け、かつ、切断操作時に弾性的に衝合可能に対向形成している。
The embodiment covering structure Z covers the covering body 2 (10) made of a plurality of soft elastic materials on each of the grasping bodies 12 (1) of the
被覆体２（10）及び緩衝部材３（10）は、いずれも２種類又はそれ以上の物性特性の異なる軟質弾性素材を積層して内外層を複合形成したものとされ、それぞれ最内層の構成素材はいずれも衝撃吸収率８０％以上の制振ゴム21;31 であり、それぞれ最外層の構成素材はいずれもシリコン樹脂22;32 である。
The covering 2 (10) and the cushioning member 3 (10) are formed by laminating two or more kinds of soft elastic materials having different physical properties to form a composite of inner and outer layers, each of which is a constituent material of the innermost layer. Are damping rubbers 21; 31 having an impact absorption rate of 80% or more, and the constituent materials of the outermost layers are
被覆体２（10）及び緩衝部材３（10）の構成素材の詳細はそれぞれ実施例鋏体Ｘにおける場合と同様である。 The details of the constituent materials of the covering 2 (10) and the buffer member 3 (10) are the same as those in the case X of the embodiment.
実施例アタッチメントＹ（図２）においても 被覆体構成部20（10）及び緩衝部材構成部30（10）ついて適用される。 Also in the embodiment attachment Y (FIG. 2), the covering body constituting portion 20 (10) and the buffer member constituting portion 30 (10) are applied.
この構成によって特に制振性を増補し、切断操作時に衝突部13（又はストッパ）同士の撃力の発生を無化又は減弱して手指への衝撃をより効果的に緩和する。 With this configuration, vibration damping is particularly supplemented, and the impact on the fingers is more effectively mitigated by eliminating or reducing the occurrence of striking force between the collision parts 13 (or stoppers) during the cutting operation.
本発明の活用例として、摘果、摘粒などの果実の収穫、摘花、芽切り、剪定、枝切、切花など農業や園芸分野に用いるとともに、電気工事、大工仕事、繊維裁断作業等で用いる難切断材料用の鋏や、反復作業の多い一般事務用鋏にも活用できる。特に、複合被覆により制振性を増補しているので、衝撃の緩和、滑り防止、柔軟な接触感の効果を有するため、長時間の反復作業を強いられる場合により効果的である。 As examples of use of the present invention, it is used in agriculture and horticultural fields such as fruit harvesting, fruit picking, harvesting, flowering, bud cutting, pruning, branch cutting, cut flowering, and difficult cutting used in electrical work, carpentry work, fiber cutting work, etc. It can also be used for material jars and general office jars with many repetitive tasks. In particular, since the damping property is augmented by the composite coating, it has the effects of mitigating impact, preventing slipping, and a flexible contact feeling, so it is more effective when a long repetitive operation is forced.
１ 鋏半体要素
11 刃体（作用部）
12 把握体（柄；グリップ；操作部）
13 衝突部（又はストッパ）
14 交差部軸支点
２ 被覆体
21 制振ゴム（最内層）
22 シリコン樹脂（最外層）
３ 緩衝部材
31 制振ゴム（最内層）
32 シリコン樹脂（最外層）
33 衝合面
５ バネ
10 緩衝部付被覆体（一体成形）
20 被覆体構成部
30 緩衝部材構成部
Ｘ 実施例鋏体
Ｙ 実施例アタッチメント
Ｚ 実施例被覆構造
1 Samurai half body element
11 Blade (working part)
12 Grasping body (handle; grip; operation part)
13 Collision (or stopper)
14
21 Damping rubber (innermost layer)
22 Silicone resin (outermost layer)
3 cushioning members
31 Damping rubber (innermost layer)
32 Silicone resin (outermost layer)
33 Contact surface 5 Spring
10 Cover with buffer (integral molding)
20 Covering part
30 Shock absorber component
X Example housing Y Example attachment Z Example coating structure
Claims (5)
複数の軟質弾性材料を用いた複合被覆により制振性を含む衝撃吸収性、圧力分散性、耐候性その他の操作環境評価に係る負条件を多角的に改善した鋏型手動利器であって、
前記被覆体及び前記緩衝部材が、いずれも２種類又はそれ以上の物性特性の異なる軟質弾性素材を積層して内外層を複合形成したものであり、
それぞれ最内層の構成素材はいずれも衝撃吸収率８０％以上の防振ゴムであり、
それぞれ最外層の構成素材はいずれもゴム、シリコン樹脂その他の弾性樹脂である
ことを特徴とする鋏型手動利器。 A pair of saddle half elements having a blade body (acting part) and a grasping body (operating part) are crossed, and the cross part is pivotally supported so that it can be rotated or opened and closed. Each of the grasping bodies is covered with a covering made of a soft elastic material, and each inner surface of the free end is elastic during cutting operation. A shock absorbing member that can be collided with each other is provided to increase the dispersion of the gripping pressure and to reduce the impact on the fingers caused by the impact of the collision part or stopper during the cutting operation. In vertical hand-held instrument,
It is a vertical hand-operated instrument that has improved the negative conditions related to evaluation of impact environment such as shock absorption including vibration damping, pressure dispersibility, weather resistance and other operational environment by composite coating using a plurality of soft elastic materials,
The covering body and the cushioning member are each formed by laminating two or more types of soft elastic materials having different physical properties and compositely forming inner and outer layers,
Each of the constituent materials of the innermost layer is anti-vibration rubber with an impact absorption rate of 80% or more,
Each of the outermost layers is made of rubber, silicone resin, or other elastic resin.
緩衝部材の最外層を構成する弾性樹脂が２ｍｍ以上の断面肉厚を有し、かつ、その衝合面はショアＡ硬さ１５〜７０範囲の表面硬さを有するものである
ことを特徴とする請求項１記載の鋏型手動利器。 The elastic resin constituting the outermost layer of the covering has a cross-sectional thickness of 2 mm or more, and has a Shore A hardness in the range of 15 to 50,
The elastic resin constituting the outermost layer of the buffer member has a cross-sectional thickness of 2 mm or more, and the abutting surface has a surface hardness in the range of Shore A hardness of 15 to 70. The saddle type manual instrument according to claim 1.
把握体上で把持圧力の分散を増補するとともに、切断操作時に衝突部又はストッパ同士の撃力の発生を無化又は減弱して手指への衝撃を緩和するために、
前記把握体のそれぞれに覆装可能に形成した軟質弾性材料からなる被覆体構成部と、前記把握体の自由端部の各内面に対設され、切断操作時に弾性的に衝合可能に形成した軟質弾性材料からなる緩衝部材構成部からなり、
前記被覆体構成部と前記緩衝部材構成部とを、それぞれ別体形成し組み合わせて付加装着するか、又は複合的に一体成形して付加装着するようにした鋏型手動利器のグリップアタッチメントにおいて、
複数の軟質弾性材料を用いた複合被覆により制振性を含む衝撃吸収性、圧力分散性、耐候性その他の操作環境評価に係る負条件を多角的に改善した鋏型手動利器のグリップアタッチメントであって、
前記被覆体構成部及び前記緩衝部材構成部が、いずれも２種類又はそれ以上の物性特性の異なる軟質弾性素材を積層して内外層を複合形成したものであり、
それぞれ最内層の構成素材はいずれも衝撃吸収率８０％以上の防振ゴムであり、
前記被覆体構成部の最外層の構成素材はゴム、シリコン樹脂その他の弾性樹脂であって、２ｍｍ以上の断面肉厚を有し、かつ、ショアＡ硬さ１５〜５０範囲の表面硬さを有するものであり、
前記緩衝部材構成部の最外層の構成素材はゴム、シリコン樹脂その他の弾性樹脂であって、２ｍｍ以上の断面肉厚を有し、かつ、その衝合面はショアＡ硬さ１５〜７０範囲の表面硬さを有するものであることを特徴とする鋏型手動利器のグリップアタッチメント。 A pair of saddle half elements having a blade body (acting part) and a grasping body (operating part) are crossed, and the cross part is pivotally supported so that it can be rotated or opened and closed. Are attached to a vertical hand-operated instrument that is formed with a collision part or a stopper facing each other.
In order to increase the dispersion of the gripping pressure on the grasping body, and to eliminate or reduce the occurrence of impact force between the collision part or the stoppers at the time of cutting operation, to reduce the impact on the fingers,
A covering component part made of a soft elastic material formed so as to be able to be covered on each of the grasping bodies and each inner surface of the free end portion of the grasping body, and formed so as to be able to elastically collide during a cutting operation. It consists of a cushioning member component made of soft elastic material,
In the grip attachment of the saddle type manual instrument, the covering member constituting part and the cushioning member constituting part are separately formed and combined for additional attachment, or combined integrally molded and additionally attached,
This is a vertical hand grip grip attachment that has improved the negative conditions related to shock absorption, pressure dispersibility, weather resistance, and other operational environment evaluations in a multifaceted manner by composite coating using multiple soft elastic materials. And
The covering component and the cushioning member component are formed by laminating two or more types of soft elastic materials having different physical properties and compositely forming inner and outer layers.
Each of the constituent materials of the innermost layer is anti-vibration rubber with an impact absorption rate of 80% or more,
The constituent material of the outermost layer of the covering member is rubber, silicon resin or other elastic resin, has a cross-sectional thickness of 2 mm or more, and has a Shore A hardness in the range of 15-50. Is,
The constituent material of the outermost layer of the cushioning member constituting portion is rubber, silicone resin or other elastic resin, has a cross-sectional thickness of 2 mm or more, and its abutting surface has a Shore A hardness in the range of 15 to 70. A grip attachment for a saddle type manual instrument characterized by having a surface hardness.
複数の軟質弾性材料を用いた複合被覆により制振性を含む衝撃吸収性、圧力分散性、耐候性その他の操作環境評価に係る負条件を多角的に改善した鋏型手動利器のグリップ被覆構造であって、
前記被覆体及び前記緩衝部材が、いずれも２種類又はそれ以上の物性特性の異なる軟質弾性素材を積層して複合形成した内外層を有し、
それぞれ最内層の構成素材はいずれも衝撃吸収率８０％以上の防振ゴムであり、
それぞれ最外層の構成素材はいずれもゴム、シリコン樹脂その他の弾性樹脂である
ことを特徴とする鋏型手動利器のグリップ被覆構造。 A pair of saddle half elements having a blade body (acting part) and a grasping body (operating part) are crossed, and the cross part is pivotally supported so that it can be rotated or opened and closed. Each of the grasping bodies is covered with a covering made of a soft elastic material, and each inner surface of the free end is elastic during cutting operation. A shock absorbing member that can be collided with each other is provided to increase the dispersion of the gripping pressure and to reduce the impact on the fingers caused by the impact of the collision part or stopper during the cutting operation. In vertical hand-held instrument,
This is a saddle type manual instrument grip covering structure that multi-improves negative conditions related to shock absorption, pressure dispersion, weather resistance, and other operational environment evaluations by composite coating using multiple soft elastic materials. There,
The covering body and the cushioning member each have inner and outer layers formed by combining and laminating two or more types of soft elastic materials having different physical properties,
Each of the constituent materials of the innermost layer is anti-vibration rubber with an impact absorption rate of 80% or more,
Each of the outermost constituent materials is rubber, silicone resin, or other elastic resin, and the grip covering structure of the vertical hand-held instrument.
緩衝部材の最外層の弾性樹脂が２ｍｍ以上の断面肉厚を有し、かつ、その衝合面はショアＡ硬さ１５〜７０範囲の表面硬さを有するものである
ことを特徴とする請求項４記載の鋏型手動利器のグリップ被覆構造。 The outermost elastic resin of the covering has a cross-sectional thickness of 2 mm or more, and has a Shore A hardness in the range of 15-50,
The elastic resin of the outermost layer of the buffer member has a cross-sectional thickness of 2 mm or more, and its abutting surface has a surface hardness in the range of Shore A hardness of 15 to 70. 4. Grip covering structure of vertical hand-held instrument according to 4.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101711330B1 (en) * | 2016-03-04 | 2017-03-03 | 송진철 | Pruning shears |
| WO2017150799A1 (en) * | 2016-03-04 | 2017-09-08 | 송진철 | Pruning shears having both tree branch hanger and shock-absorbing functions |
| WO2017175991A1 (en) * | 2016-04-05 | 2017-10-12 | 송진철 | Pruning shears having both functions of hanging on tree branch and absorbing shock |
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| JP2008043578A (en) * | 2006-08-18 | 2008-02-28 | Hiroshima Pref Gov | Scissors type manual gadget and grip attachment thereof |
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| JPS60150976A (en) * | 1984-01-18 | 1985-08-08 | 株式会社ブリヂストン | Vibration-proof grip |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101711330B1 (en) * | 2016-03-04 | 2017-03-03 | 송진철 | Pruning shears |
| WO2017150799A1 (en) * | 2016-03-04 | 2017-09-08 | 송진철 | Pruning shears having both tree branch hanger and shock-absorbing functions |
| CN107846847A (en) * | 2016-03-04 | 2018-03-27 | 宋镇哲 | Have both branch suspension and alleviate the pruner of impact function |
| US10327391B2 (en) | 2016-03-04 | 2019-06-25 | Jinchul SONG | Pruning shears having both tree branch hanger and shock-absorbing functions |
| CN107846847B (en) * | 2016-03-04 | 2020-12-29 | 宋镇哲 | Pruning shears with branch hanging and impact relieving functions |
| WO2017175991A1 (en) * | 2016-04-05 | 2017-10-12 | 송진철 | Pruning shears having both functions of hanging on tree branch and absorbing shock |
| CN108366534A (en) * | 2016-04-05 | 2018-08-03 | 宋镇哲 | Have both the pruner for hanging on branch and alleviating impact function |
| US10687475B2 (en) | 2016-04-05 | 2020-06-23 | Jinchul SONG | Pruning shears having both functions of hanging on tree branch and absorbing shock |
| CN108366534B (en) * | 2016-04-05 | 2020-12-04 | 宋镇哲 | Pruning shears with functions of hanging on branches and relieving impact |
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