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GB2246918B - Portable machine tool with braking device - Google Patents

Portable machine tool with braking device

Info

Publication number
GB2246918B
GB2246918B GB9114219A GB9114219A GB2246918B GB 2246918 B GB2246918 B GB 2246918B GB 9114219 A GB9114219 A GB 9114219A GB 9114219 A GB9114219 A GB 9114219A GB 2246918 B GB2246918 B GB 2246918B
Authority
GB
United Kingdom
Prior art keywords
machine tool
braking device
portable machine
portable
braking
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 - Fee Related
Application number
GB9114219A
Other versions
GB9114219D0 (en
GB2246918A (en
Inventor
Sergio Bonacina
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 Inc
Original Assignee
Black and 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 and Decker Inc filed Critical Black and Decker Inc
Publication of GB9114219D0 publication Critical patent/GB9114219D0/en
Publication of GB2246918A publication Critical patent/GB2246918A/en
Application granted granted Critical
Publication of GB2246918B publication Critical patent/GB2246918B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/02—Details of stopping control
    • H02P3/04—Means for stopping or slowing by a separate brake, e.g. friction brake or eddy-current brake
    • 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
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29—Details; Component parts; Accessories
    • B27B5/38—Devices for braking the circular saw blade or the saw spindle; Devices for damping vibrations of the circular saw blade, e.g. silencing
    • 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
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F16D65/186—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes with full-face force-applying member, e.g. annular
    • 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
    • F16D67/00—Combinations of couplings and brakes; Combinations of clutches and brakes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • 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
    • F16D2121/00—Type of actuator operation force
    • F16D2121/14—Mechanical
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
    • F16D2125/28—Cams; Levers with cams
    • F16D2125/32—Cams; Levers with cams acting on one cam follower

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Braking Arrangements (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
GB9114219A 1990-07-17 1991-07-02 Portable machine tool with braking device Expired - Fee Related GB2246918B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02095890A IT1245489B (en) 1990-07-17 1990-07-17 PORTABLE MACHINE TOOL WITH BRAKING DEVICE AND LOCK.

Publications (3)

Publication Number Publication Date
GB9114219D0 GB9114219D0 (en) 1991-08-21
GB2246918A GB2246918A (en) 1992-02-12
GB2246918B true GB2246918B (en) 1994-06-01

Family

ID=11174631

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9114219A Expired - Fee Related GB2246918B (en) 1990-07-17 1991-07-02 Portable machine tool with braking device

Country Status (2)

Country Link
GB (1) GB2246918B (en)
IT (1) IT1245489B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5847522A (en) * 1995-11-13 1998-12-08 Gec-Marconi Aerospace Inc. Locking devices and control circuitry for permanent magnet electric motors
GB2344477B (en) * 1995-11-13 2000-07-26 Gec Marconi Aerospace Inc Permanent magnet electric motors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB440883A (en) * 1934-06-02 1936-01-02 Josef Sousedik Automatic friction multi-disc or lamellae brake for electric motors
GB987101A (en) * 1961-07-07 1965-03-24 Globe Ind Inc Electromagnetic brake
GB2206252A (en) * 1987-06-22 1988-12-29 Lift Tech Int Inc D. C. solenoid control circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB440883A (en) * 1934-06-02 1936-01-02 Josef Sousedik Automatic friction multi-disc or lamellae brake for electric motors
GB987101A (en) * 1961-07-07 1965-03-24 Globe Ind Inc Electromagnetic brake
GB2206252A (en) * 1987-06-22 1988-12-29 Lift Tech Int Inc D. C. solenoid control circuit

Also Published As

Publication number Publication date
GB9114219D0 (en) 1991-08-21
IT9020958A1 (en) 1992-01-17
IT9020958A0 (en) 1990-07-17
IT1245489B (en) 1994-09-27
GB2246918A (en) 1992-02-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960702