CA1027882A - Inertial-manual actuating chain brake - Google Patents

Inertial-manual actuating chain brake

Info

Publication number
CA1027882A
CA1027882A CA230,009A CA230009A CA1027882A CA 1027882 A CA1027882 A CA 1027882A CA 230009 A CA230009 A CA 230009A CA 1027882 A CA1027882 A CA 1027882A
Authority
CA
Canada
Prior art keywords
inertial
manual actuating
chain brake
actuating chain
brake
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.)
Expired
Application number
CA230,009A
Other languages
French (fr)
Inventor
Edward J. Bidanset
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.)
Textron Inc
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Application granted granted Critical
Publication of CA1027882A publication Critical patent/CA1027882A/en
Expired 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
    • F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
    • F16D49/02—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as a helical band or coil with more than one turn, with or without intensification of the braking force by the tension of the band or contracting member
    • F16D49/04—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as a helical band or coil with more than one turn, with or without intensification of the braking force by the tension of the band or contracting member mechanically actuated
CA230,009A 1974-06-25 1975-06-24 Inertial-manual actuating chain brake Expired CA1027882A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US483034A US3923126A (en) 1974-06-25 1974-06-25 Band type brake for a chain saw

Publications (1)

Publication Number Publication Date
CA1027882A true CA1027882A (en) 1978-03-14

Family

ID=23918379

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230,009A Expired CA1027882A (en) 1974-06-25 1975-06-24 Inertial-manual actuating chain brake

Country Status (8)

Country Link
US (1) US3923126A (en)
JP (1) JPS5239199B2 (en)
BR (1) BR7503806A (en)
CA (1) CA1027882A (en)
DE (1) DE2527812C2 (en)
GB (1) GB1456014A (en)
NO (1) NO143090C (en)
SE (1) SE426454B (en)

Families Citing this family (40)

* 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
US4026392A (en) * 1974-10-15 1977-05-31 Mcculloch Corporation Snap-acting over-center chain saw safety brake and method of operation thereof
US3974566A (en) * 1975-09-08 1976-08-17 Mcculloch Corporation Method and apparatus for arresting movement of a chain saw cutter chain
DE2602247C2 (en) * 1976-01-22 1992-04-23 Fa. Andreas Stihl, 7050 Waiblingen Braking device on a motor-driven hand saw, in particular a motor chain saw
JPS52100964A (en) * 1976-02-20 1977-08-24 Hitachi Ltd 1-bit encoder
JPS52135899U (en) * 1976-04-09 1977-10-15
JPS5319891U (en) * 1976-07-30 1978-02-20
JPS5319892U (en) * 1976-07-30 1978-02-20
JPS5325998A (en) * 1976-08-23 1978-03-10 Kyoritsu Kk Safety device of chain saw
JPS5850981Y2 (en) * 1980-05-12 1983-11-21 株式会社 共立 Chain saw safety braking device
JPS5916921B2 (en) * 1981-04-13 1984-04-18 株式会社共立 Chain saw emergency braking device
SE8202949L (en) * 1982-05-11 1983-11-12 Electrolux Motor Ab BROMSUTLOSNINGSMEKANISM
DE3244772A1 (en) * 1982-12-03 1984-06-07 Fa. Andreas Stihl, 7050 Waiblingen CHAINSAW
DE3419152A1 (en) * 1984-05-23 1985-11-28 Fa. Andreas Stihl, 7050 Waiblingen Chain-braking device
SE457626B (en) * 1983-07-08 1989-01-16 Stihl Maschf Andreas KEDJEBROMANORDNING
JPS6032601A (en) * 1983-08-01 1985-02-19 株式会社共立 Safety brake gear for chain saw
DE3608523A1 (en) * 1986-03-14 1987-09-17 Bosch Gmbh Robert QUICK STOP DEVICE FOR STOPPING A SAW CHAIN OF A PORTABLE MOTOR CHAIN SAW
US5125160A (en) * 1991-05-15 1992-06-30 Textron Inc. Power tool inertia brake
JP3263284B2 (en) * 1995-09-04 2002-03-04 株式会社マキタ Electric chainsaw
SE511397C2 (en) * 1996-10-25 1999-09-20 Electrolux Ab Brake device in a chainsaw
JP3601934B2 (en) * 1997-05-16 2004-12-15 株式会社共立 Braking device for power work equipment
US6108916A (en) * 1998-08-14 2000-08-29 Milwaukee Electric Tool Corporation Movable handle for a power tool
DE10261743A1 (en) * 2002-12-30 2004-07-22 Robert Bosch Gmbh Manual circular saw B27B
US20040181951A1 (en) * 2003-03-17 2004-09-23 Wittke Edward R. Chain saw safety system
CA2423282A1 (en) * 2003-03-19 2004-09-19 Universite De Sherbrooke Anti-vibration handle for punching or reciprocating motion tools
CA493745A (en) * 2006-10-04 1953-06-16 E. Glassburn William Bridge-connected relay
WO2008047433A1 (en) * 2006-10-19 2008-04-24 Husqvarna Zenoah Co.,Ltd. Brake system of chain saw and chain saw
US8061043B2 (en) 2006-11-15 2011-11-22 Milwaukee Electric Tool Corporation Power tool
FR2935496B1 (en) * 2008-08-29 2014-05-16 Pellenc Sa METHOD FOR STOPPING PORTABLE TOOLS DURING UNEXPECTED BRUSH MOVEMENTS, AND PORTABLE TOOLS BY APPLYING
US8752301B2 (en) * 2009-04-08 2014-06-17 Rex George Chainsaw incorporating a safety device system
JP5448569B2 (en) * 2009-05-21 2014-03-19 株式会社やまびこ Brush cutter with safety device
JP5448568B2 (en) * 2009-05-21 2014-03-19 株式会社やまびこ Work machine with safety device
US20120036725A1 (en) * 2010-08-11 2012-02-16 Blount, Inc. Kickback detection method and apparatus
US8870703B2 (en) * 2012-11-19 2014-10-28 Gm Global Technology Operations, Llc Transmission with band clutch
CN110944799B (en) 2017-07-24 2021-11-26 费斯托工具有限责任公司 Power tool and method
KR102434522B1 (en) * 2017-07-24 2022-08-22 페스툴 게엠베하 Methods for identifying power tools and kickback events in power tools
JP7270601B2 (en) 2017-07-24 2023-05-10 フェストール・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング power tools and methods
US11529725B2 (en) 2017-10-20 2022-12-20 Milwaukee Electric Tool Corporation Power tool including electromagnetic clutch
EP3700713B1 (en) 2017-10-26 2023-07-12 Milwaukee Electric Tool Corporation Kickback control methods for power tools
US11641102B2 (en) 2020-03-10 2023-05-02 Smart Wires Inc. Modular FACTS devices with external fault current protection within the same impedance injection module

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2299765A (en) * 1930-10-29 1942-10-27 Carl F Rauen Means for preventing retrograde movement of motor vehicles and the like
US3405791A (en) * 1966-08-25 1968-10-15 Kaplan Joseph Variable-torque slip device
US3485327A (en) * 1967-10-20 1969-12-23 Mcculloch Corp Inertia actuated safety brake
SE390131B (en) * 1971-04-13 1976-12-06 Partner Ab BRAKE DEVICE FOR MOTORSAWS
US3739475A (en) * 1971-10-19 1973-06-19 Mc Culloch Corp Chain saw safety method and apparatus
US3785465A (en) * 1972-02-22 1974-01-15 R Johansson Centrifugal clutches in series with brake
US3793727A (en) * 1972-10-04 1974-02-26 Mcculloch Corp Chain saw safety method and apparatus

Also Published As

Publication number Publication date
NO143090B (en) 1980-09-08
GB1456014A (en) 1976-11-17
US3923126A (en) 1975-12-02
DE2527812A1 (en) 1976-01-15
DE2527812C2 (en) 1986-02-20
BR7503806A (en) 1976-07-06
SE7506970L (en) 1975-12-29
JPS5239199B2 (en) 1977-10-04
NO752209L (en) 1975-12-30
JPS5117097A (en) 1976-02-10
SE426454B (en) 1983-01-24
NO143090C (en) 1980-12-17

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