ATE6958T1 - Anti-rueckschlagsteuerung fuer ein motorwerkzeug. - Google Patents

Anti-rueckschlagsteuerung fuer ein motorwerkzeug.

Info

Publication number
ATE6958T1
ATE6958T1 AT80102226T AT80102226T ATE6958T1 AT E6958 T1 ATE6958 T1 AT E6958T1 AT 80102226 T AT80102226 T AT 80102226T AT 80102226 T AT80102226 T AT 80102226T AT E6958 T1 ATE6958 T1 AT E6958T1
Authority
AT
Austria
Prior art keywords
tool
power
implement
speed
change
Prior art date
Application number
AT80102226T
Other languages
English (en)
Inventor
David Alan Saar
Original Assignee
Black & Decker 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 Black & Decker Inc. filed Critical Black & Decker Inc.
Application granted granted Critical
Publication of ATE6958T1 publication Critical patent/ATE6958T1/de

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/10—Commutator motors, e.g. repulsion motors
    • H02P25/14—Universal motors
    • H02P25/145—Universal motors whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value, speed feedback
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/04—Arrangements preventing overload of tools, e.g. restricting load
    • 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
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0854—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load responsive to rate of change of current, couple or speed, e.g. anti-kickback protection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/081—With randomly actuated stopping means
    • Y10T83/088—Responsive to tool detector or work-feed-means detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Fluid-Damping Devices (AREA)
  • Control Of Ac Motors In General (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Portable Power Tools In General (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Vibration Prevention Devices (AREA)
  • Sawing (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Surgical Instruments (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Portable Nailing Machines And Staplers (AREA)
AT80102226T 1979-04-26 1980-04-25 Anti-rueckschlagsteuerung fuer ein motorwerkzeug. ATE6958T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/033,661 US4267914A (en) 1979-04-26 1979-04-26 Anti-kickback power tool control
EP19800102226 EP0018603B1 (de) 1979-04-26 1980-04-25 Anti-Rückschlagsteuerung für ein Motorwerkzeug

Publications (1)

Publication Number Publication Date
ATE6958T1 true ATE6958T1 (de) 1984-04-15

Family

ID=21871702

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80102226T ATE6958T1 (de) 1979-04-26 1980-04-25 Anti-rueckschlagsteuerung fuer ein motorwerkzeug.

Country Status (8)

Country Link
US (1) US4267914A (de)
EP (1) EP0018603B1 (de)
JP (2) JPS5615983A (de)
AT (1) ATE6958T1 (de)
AU (1) AU535103B2 (de)
BR (1) BR8002504A (de)
CA (1) CA1152195A (de)
DE (1) DE3067317D1 (de)

Families Citing this family (146)

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JPH0152142B2 (de) 1989-11-07
US4267914A (en) 1981-05-19
JPS5615983A (en) 1981-02-16
BR8002504A (pt) 1980-12-09
AU5778380A (en) 1980-10-30
EP0018603A1 (de) 1980-11-12
JPS6445585A (en) 1989-02-20
EP0018603B1 (de) 1984-04-04
AU535103B2 (en) 1984-03-01
CA1152195A (en) 1983-08-16
JPS646898B2 (de) 1989-02-06
DE3067317D1 (en) 1984-05-10

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