CA969110A - Centrifugally responsive brake for rotary tool - Google Patents

Centrifugally responsive brake for rotary tool

Info

Publication number
CA969110A
CA969110A CA169,649A CA169649A CA969110A CA 969110 A CA969110 A CA 969110A CA 169649 A CA169649 A CA 169649A CA 969110 A CA969110 A CA 969110A
Authority
CA
Canada
Prior art keywords
rotary tool
centrifugally responsive
responsive brake
brake
centrifugally
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
CA169,649A
Other languages
English (en)
Other versions
CA169649S (en
Inventor
Henry Klein
John R. Dwyer (Jr.)
Stephen J. Ehrlich
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.)
Black and Decker Corp
Original Assignee
Black and Decker Manufacturing Co
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 Black and Decker Manufacturing Co filed Critical Black and Decker Manufacturing Co
Application granted granted Critical
Publication of CA969110A publication Critical patent/CA969110A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
    • A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
    • A01D34/6806—Driving mechanisms
    • A01D34/6812—Braking or clutching mechanisms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
    • A01D34/84—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for edges of lawns or fields, e.g. for mowing close to trees or walls
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D2101/00—Lawn-mowers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Braking Arrangements (AREA)
  • Harvester Elements (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Knives (AREA)
CA169,649A 1972-09-05 1973-04-26 Centrifugally responsive brake for rotary tool Expired CA969110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28658972A 1972-09-05 1972-09-05

Publications (1)

Publication Number Publication Date
CA969110A true CA969110A (en) 1975-06-10

Family

ID=23099285

Family Applications (1)

Application Number Title Priority Date Filing Date
CA169,649A Expired CA969110A (en) 1972-09-05 1973-04-26 Centrifugally responsive brake for rotary tool

Country Status (9)

Country Link
US (1) US3760570A (xx)
JP (1) JPS4969444A (xx)
AU (1) AU463461B2 (xx)
CA (1) CA969110A (xx)
DE (1) DE2342336A1 (xx)
FR (1) FR2199827A5 (xx)
GB (1) GB1427241A (xx)
IT (1) IT991369B (xx)
ZA (1) ZA733472B (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009798B1 (en) * 1978-10-03 1982-11-03 Black & Decker Inc. Vegetation cutter
DE9204156U1 (de) * 1992-03-27 1993-04-15 Aumüller Aumatic GmbH, 8900 Augsburg Stellantrieb für Lichtkuppeln o.dgl.
DE4341931A1 (de) * 1993-12-09 1995-06-14 Bosch Gmbh Robert Maschine mit einem umlaufenden Teil
DE4446157C2 (de) * 1994-12-23 1997-05-22 Schmid & Wezel Gmbh & Co Elektrisch angetriebenes Gerät, insbesondere Handwerkzeug
ES2126436B1 (es) * 1995-05-26 1999-11-16 Virutex Sa Dispositivo de freno para un aparato con herramienta giratoria de corte.
US5988328A (en) * 1998-03-17 1999-11-23 Dana Corporation Spring set centrifugally released brake
US6633046B1 (en) * 2000-04-19 2003-10-14 Applied Materials, Inc. Method and apparatus for detecting that two moveable members are correctly positioned relatively to one another
JP2002176822A (ja) * 2000-12-15 2002-06-25 Honda Motor Co Ltd 刈払機
DE50113083D1 (de) * 2001-05-18 2007-11-15 Siemens Schweiz Ag Stellantrieb mit einer Fliehkraftbremse
US7140475B1 (en) * 2004-05-19 2006-11-28 Bruno Independent Living Aids, Inc. Brake
US8087977B2 (en) 2005-05-13 2012-01-03 Black & Decker Inc. Angle grinder
GB2443785A (en) * 2006-11-15 2008-05-21 Husqvarna Uk Ltd Brake assembly for lawnmower
DE202009005935U1 (de) 2009-04-23 2010-10-21 Dolmar Gmbh Bremsvorrichtung
CN101699950B (zh) * 2009-11-04 2011-07-27 苏州金莱克精密机械有限公司 园林工具刹车装置
CN103068530B (zh) * 2010-08-11 2015-09-23 博世电动工具（中国）有限公司 具有改进的制动组件的便携式电动工具
DE102011014068A1 (de) 2011-03-16 2012-09-20 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät
US10818450B2 (en) 2017-06-14 2020-10-27 Black & Decker Inc. Paddle switch
US11895945B2 (en) * 2020-12-04 2024-02-13 The Toro Company Assembly for adding ambient air to the cutting chamber of a walk power mower

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1162411A (en) * 1909-10-02 1915-11-30 William Speer Centrifugally-operated brake.
US3228177A (en) * 1964-07-29 1966-01-11 Coates Leroy Safety device for power equipment

Also Published As

Publication number Publication date
JPS4969444A (xx) 1974-07-05
US3760570A (en) 1973-09-25
FR2199827A5 (xx) 1974-04-12
GB1427241A (en) 1976-03-10
IT991369B (it) 1975-07-30
AU463461B2 (en) 1975-07-24
ZA733472B (en) 1974-04-24
DE2342336A1 (de) 1974-03-21
AU5602273A (en) 1974-11-28

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