JPH0847901A - Flexible drive shaft especially for tree trimming saw - Google Patents

Flexible drive shaft especially for tree trimming saw

Info

Publication number
JPH0847901A
JPH0847901A JP7163515A JP16351595A JPH0847901A JP H0847901 A JPH0847901 A JP H0847901A JP 7163515 A JP7163515 A JP 7163515A JP 16351595 A JP16351595 A JP 16351595A JP H0847901 A JPH0847901 A JP H0847901A
Authority
JP
Japan
Prior art keywords
drive shaft
cover
flexible drive
flexible
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7163515A
Other languages
Japanese (ja)
Inventor
Thomas Alm
アルム トマス
Thomas Haakansson
ホーカンソン トマス
Goete Karlsson
カールソン ゴェート
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux AB
Original Assignee
Electrolux AB
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 Electrolux AB filed Critical Electrolux AB
Publication of JPH0847901A publication Critical patent/JPH0847901A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/02—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
    • F16C1/06—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements with guiding sheathing, tube or box
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/26—Construction of guiding-sheathings or guiding-tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Flexible Shafts (AREA)
  • Cleaning In General (AREA)
  • Harvester Elements (AREA)
  • Brushes (AREA)

Abstract

PURPOSE: To suppress wear and heat low. CONSTITUTION: The drive shaft comprises a steel shaft 10 rotatably spirally wound in a cover. The cover has a flexible tube 11 formed of a polymer material, and the cover further has an outside coating 13 of plastic or rubber for enclosing the tube 11. An end member 14 made of a polymer material is provided at the end of the cover. Preferably, the tube 11 and the member 14 are formed of polyamide.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、可撓性駆動シャフト、
特に伐採用鋸(clearing saw)用の可撓性駆動シャフトで
あって、カバー内で回転可能な螺旋状に巻かれた鋼製シ
ャフトを具備する、特に伐採用鋸用の可撓性駆動シャフ
トに関する。FIELD OF THE INVENTION The present invention relates to a flexible drive shaft,
A flexible drive shaft for a clearing saw, in particular, comprising a spirally wound steel shaft rotatable in a cover, in particular for a flexible saw shaft .

【０００２】[0002]

【従来の技術および発明が解決しようとする課題】この
種の駆動シャフトは、例えばエンジン（原動機）が操作
者（作業者）の背中上に担持されるタイプの伐採用鋸に
用いられ、この可撓性駆動シャフトがエンジンと、手で
保持される工具部分との間を連結する。この目的のため
に従来使用されてきた駆動シャフトは、カバー内で回転
可能な螺旋状に巻かれた鋼製シャフトを具備し、このカ
バーは螺旋状に巻かれた鋼製バンドを備え、この鋼製バ
ンドは、編まれた鋼製補強部とゴム製の外側コーティン
グ部とによって包囲されている。このカバーは、エンジ
ン及び工具部分に夫々連結されるようになっている鋼製
の端部部材を有する。従来公知のこれらの駆動シャフト
は多数の不利点、例えば熱の発生が大きいこと、磨耗が
激しいこと、重量が重いこと、及び製造コストが高いこ
と等の不利点を有する。2. Description of the Related Art A drive shaft of this type is used, for example, in a felling saw of a type in which an engine (motor) is carried on the back of an operator (operator). A flexible drive shaft connects between the engine and a hand held tool portion. Drive shafts conventionally used for this purpose comprise a helically wound steel shaft rotatable in a cover, the cover comprising a helically wound steel band, The band is surrounded by a braided steel reinforcement and a rubber outer coating. The cover has steel end members adapted to be coupled to the engine and tool parts, respectively. These drive shafts known in the art have a number of disadvantages, such as high heat generation, high wear, heavy weight and high manufacturing costs.

【０００３】[0003]

【課題を解決するための手段】本発明の目的は、上述の
不利点が大幅に低減される可撓性駆動シャフトを提供す
ることにある。この目的は、上述の種類の駆動シャフト
において、カバーが、重合体材料（ポリマ材料）で形成
された可撓性チューブを備え、該可撓性チューブがワイ
ヤ製補強部を有し、カバーが更に、該可撓性チューブを
包囲するプラスチック製またはゴム製の外側コーティン
グ部を備えることを特徴とする、駆動シャフトによって
達成される。SUMMARY OF THE INVENTION It is an object of the invention to provide a flexible drive shaft in which the abovementioned disadvantages are greatly reduced. For this purpose, in a drive shaft of the type described above, the cover comprises a flexible tube made of a polymeric material, the flexible tube having a wire reinforcement, the cover further comprising: , A plastic shaft or a rubber outer coating surrounding the flexible tube.

【０００４】[0004]

【実施例】以下、添付図面を参照しながら本発明をより
詳細に説明する。図１に示す駆動シャフトは、螺旋状に
巻かれた鋼製シャフト１０を具備する。この鋼製シャフ
ト１０は、重合体材料（ポリマ材料）からなる可撓性内
側チューブ１１を備えたカバー内で回転可能となってい
る。有利な作動特性を有する好ましい材料の一例として
ポリアミドが挙げられる。低摩擦特性により、磨耗およ
び熱の発生が低く抑えられる。内側チューブ１１は、例
えば鋼製ワイヤで編まれた補強部１２と、適切なプラス
チック材料またはゴム材料からなる外側コーティング部
１３とによって包囲される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail below with reference to the accompanying drawings. The drive shaft shown in FIG. 1 comprises a steel shaft 10 which is helically wound. The steel shaft 10 is rotatable within a cover with a flexible inner tube 11 made of a polymeric material (polymer material). Polyamides are mentioned as an example of a preferred material having advantageous operating properties. The low friction properties result in low wear and low heat generation. The inner tube 11 is surrounded by a reinforcement 12 woven, for example, from steel wire, and an outer coating 13 made of a suitable plastic or rubber material.

【０００５】図１に示す可撓性駆動シャフトの各端部に
は端部部材１４が設けられる。これらの端部部材１４も
また重合体材料、好ましくはポリアミドで形成される。
好ましくは端部部材１４は、外側コーティング部１３の
周りの所定の位置に成形されることによって駆動シャフ
トのカバーに取り付けられる。この駆動シャフトでは熱
の発生が少なくかつ材料の熱伝導率が低いことにより、
従来技術の鋼製の端部部材を使用したときに操作者（作
業者）がやけどを負う危険性を排除するために必要とさ
れたような余分な熱絶縁部を設ける必要がない。An end member 14 is provided at each end of the flexible drive shaft shown in FIG. These end members 14 are also made of a polymeric material, preferably polyamide.
Preferably, the end member 14 is attached to the cover of the drive shaft by being molded in place around the outer coating 13. The drive shaft produces less heat and the material has a lower thermal conductivity,
There is no need to provide extra thermal insulation as was required to eliminate the risk of burns to the operator when using prior art steel end members.

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

【図１】本発明による駆動シャフトの好ましい実施例の
縦断面図である。1 is a longitudinal sectional view of a preferred embodiment of a drive shaft according to the present invention.

【符号の説明】[Explanation of symbols]

１０…鋼製シャフト １１…内側チューブ（可撓性チューブ） １２…補強部（ワイヤ製補強部） １３…外側コーティング部 １４…端部部材 10 ... Steel shaft 11 ... Inner tube (flexible tube) 12 ... Reinforcing part (reinforcing part made of wire) 13 ... Outer coating part 14 ... End member

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 可撓性駆動シャフト、特に伐採用鋸用の
可撓性駆動シャフトであって、カバー内で回転可能な螺
旋状に巻かれた鋼製シャフト（１０）を具備する、特に
伐採用鋸用の可撓性駆動シャフトにおいて、上記カバー
が、重合体材料で形成された可撓性チューブ（１１）を
備え、該可撓性チューブ（１１）がワイヤ製補強部（１
２）を有し、該カバーが更に、該可撓性チューブを包囲
するプラスチック製またはゴム製の外側コーティング部
（１３）を備えることを特徴とする、特に伐採用鋸用の
可撓性駆動シャフト。1. A flexible drive shaft, in particular for felling saws, comprising a helically wound steel shaft (10) rotatable in a cover, in particular felling. In a flexible drive shaft for a saw, the cover comprises a flexible tube (11) made of a polymeric material, the flexible tube (11) comprising a wire reinforcement (1).
2), the cover further comprising a plastic or rubber outer coating (13) surrounding the flexible tube, in particular a flexible drive shaft for felling saws . 【請求項２】 上記可撓性チューブ（１１）がポリアミ
ドで形成されることを特徴とする、請求項１に記載の特
に伐採用鋸用の可撓性駆動シャフト。2. Flexible drive shaft according to claim 1, characterized in that the flexible tube (11) is made of polyamide. 【請求項３】 上記カバーの各端部に重合体材料、好ま
しくはポリアミドで形成された端部部材（１４）が設け
られることを特徴とする、請求項１に記載の特に伐採用
鋸用の可撓性駆動シャフト。3. A saw according to claim 1, characterized in that each end of the cover is provided with an end member (14) made of a polymeric material, preferably polyamide. Flexible drive shaft.
JP7163515A 1994-07-01 1995-06-29 Flexible drive shaft especially for tree trimming saw Pending JPH0847901A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9402328-0 1994-07-01
SE9402328A SE507826C2 (en) 1994-07-01 1994-07-01 Flexible drive shaft, especially for a cleaning saw

Publications (1)

Publication Number Publication Date
JPH0847901A true JPH0847901A (en) 1996-02-20

Family

ID=20394595

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7163515A Pending JPH0847901A (en) 1994-07-01 1995-06-29 Flexible drive shaft especially for tree trimming saw

Country Status (5)

Country Link
JP (1) JPH0847901A (en)
KR (1) KR960004822A (en)
DE (1) DE19523800A1 (en)
IT (1) IT1282424B1 (en)
SE (1) SE507826C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19616764C2 (en) * 1996-04-26 1999-12-09 Stihl Maschf Andreas Back-portable brush cutter

Also Published As

Publication number Publication date
DE19523800A1 (en) 1996-01-04
SE507826C2 (en) 1998-07-20
IT1282424B1 (en) 1998-03-23
SE9402328L (en) 1996-01-02
SE9402328D0 (en) 1994-07-01
ITPN950035A0 (en) 1995-06-27
KR960004822A (en) 1996-02-23
ITPN950035A1 (en) 1996-12-27

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