FR2481986A1 - Mecanisme de frein de surete pour scie a chaine mecanique - Google Patents

Mecanisme de frein de surete pour scie a chaine mecanique Download PDF

Info

Publication number
FR2481986A1
FR2481986A1 FR8109164A FR8109164A FR2481986A1 FR 2481986 A1 FR2481986 A1 FR 2481986A1 FR 8109164 A FR8109164 A FR 8109164A FR 8109164 A FR8109164 A FR 8109164A FR 2481986 A1 FR2481986 A1 FR 2481986A1
Authority
FR
France
Prior art keywords
drum
chain saw
spring
safety
lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8109164A
Other languages
English (en)
French (fr)
Other versions
FR2481986B1 (OSRAM
Inventor
Masatoshi Satoh
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.)
Kioritz Corp
Original Assignee
Kyoritsu Noki Co Ltd
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 Kyoritsu Noki Co Ltd filed Critical Kyoritsu Noki Co Ltd
Publication of FR2481986A1 publication Critical patent/FR2481986A1/fr
Application granted granted Critical
Publication of FR2481986B1 publication Critical patent/FR2481986B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/08—Drives or gearings; Devices for swivelling or tilting the chain saw
    • B27B17/083—Devices for arresting movement of the saw chain
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D59/00—Self-acting brakes, e.g. coming into operation at a predetermined speed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Braking Arrangements (AREA)
FR8109164A 1980-05-12 1981-05-08 Mecanisme de frein de surete pour scie a chaine mecanique Granted FR2481986A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980064857U JPS5850981Y2 (ja) 1980-05-12 1980-05-12 チエンソ−の安全制動装置

Publications (2)

Publication Number Publication Date
FR2481986A1 true FR2481986A1 (fr) 1981-11-13
FR2481986B1 FR2481986B1 (OSRAM) 1984-12-21

Family

ID=13270265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8109164A Granted FR2481986A1 (fr) 1980-05-12 1981-05-08 Mecanisme de frein de surete pour scie a chaine mecanique

Country Status (3)

Country Link
US (1) US4328617A (OSRAM)
JP (1) JPS5850981Y2 (OSRAM)
FR (1) FR2481986A1 (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559858A (en) * 1982-12-20 1985-12-24 Laskowski Enterprises, Incorporated Portable band saw saw mill apparatus
JPS60152406U (ja) * 1984-03-21 1985-10-11 株式会社　マキタ電機製作所 チエ−ンソ−における安全装置
WO1994026482A1 (de) * 1993-05-12 1994-11-24 Reinhold Haertlein Tragbares motorgetriebenes schneidgerät insb. motorsäge o. dgl.
WO2008047433A1 (fr) * 2006-10-19 2008-04-24 Husqvarna Zenoah Co.,Ltd. Système de frein pour une scie à chaîne et scie à chaîne
US12064894B2 (en) 2020-09-04 2024-08-20 Milwaukee Electric Tool Corporation Chainsaw

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839795A (en) * 1973-04-26 1974-10-08 Mc Culloch Corp Chain saw safety method and apparatus
US3923126A (en) * 1974-06-25 1975-12-02 Textron Inc Band type brake for a chain saw
US3934345A (en) * 1974-10-15 1976-01-27 Mcculloch Corporation Snap-acting over-center chain saw safety brake and method of operation thereof
US3982616A (en) * 1975-07-25 1976-09-28 Textron, Inc. Latch operated centrifugally released safety clutch for saws
DE2919460A1 (de) * 1978-05-18 1979-11-22 Jonsereds Fabrikers Ab Sicherheitsbremsvorrichtung fuer tragbare motorsaege
WO1980000548A1 (en) * 1978-09-18 1980-04-03 Beaird Poulan Div Safety braking apparatus for portable chain saw

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964333A (en) * 1974-10-15 1976-06-22 Mcculloch Corporation Safety braking mechanism for a portable chain saw
US3991469A (en) * 1974-10-15 1976-11-16 Mcculloch Corporation Safety braking mechanism for a portable chain saw
US4059895A (en) * 1974-10-15 1977-11-29 Mcculloch Corporation Full position safety brake for portable chain saw

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839795A (en) * 1973-04-26 1974-10-08 Mc Culloch Corp Chain saw safety method and apparatus
US3923126A (en) * 1974-06-25 1975-12-02 Textron Inc Band type brake for a chain saw
US3934345A (en) * 1974-10-15 1976-01-27 Mcculloch Corporation Snap-acting over-center chain saw safety brake and method of operation thereof
US3982616A (en) * 1975-07-25 1976-09-28 Textron, Inc. Latch operated centrifugally released safety clutch for saws
DE2919460A1 (de) * 1978-05-18 1979-11-22 Jonsereds Fabrikers Ab Sicherheitsbremsvorrichtung fuer tragbare motorsaege
WO1980000548A1 (en) * 1978-09-18 1980-04-03 Beaird Poulan Div Safety braking apparatus for portable chain saw

Also Published As

Publication number Publication date
JPS56165603U (OSRAM) 1981-12-08
US4328617A (en) 1982-05-11
JPS5850981Y2 (ja) 1983-11-21
FR2481986B1 (OSRAM) 1984-12-21

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Legal Events

Date Code Title Description
ST Notification of lapse