GB1485906A - Overspeed safety control mechanism for rotary tools - Google Patents

Overspeed safety control mechanism for rotary tools

Info

Publication number
GB1485906A
GB1485906A GB20883/75A GB2088375A GB1485906A GB 1485906 A GB1485906 A GB 1485906A GB 20883/75 A GB20883/75 A GB 20883/75A GB 2088375 A GB2088375 A GB 2088375A GB 1485906 A GB1485906 A GB 1485906A
Authority
GB
United Kingdom
Prior art keywords
valve
chamber
air
motor
fracture
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
GB20883/75A
Other languages
English (en)
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.)
Chicago Pneumatic Tool Co LLC
Original Assignee
Chicago Pneumatic Tool Co LLC
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 Chicago Pneumatic Tool Co LLC filed Critical Chicago Pneumatic Tool Co LLC
Publication of GB1485906A publication Critical patent/GB1485906A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B25/00—Regulating, controlling or safety means
    • F01B25/02—Regulating or controlling by varying working-fluid admission or exhaust, e.g. by varying pressure or quantity
    • F01B25/04—Sensing elements
    • F01B25/06—Sensing elements responsive to speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B25/00—Regulating, controlling or safety means
    • F01B25/16—Safety means responsive to specific conditions
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
    • G05D13/02—Details
    • G05D13/04—Details providing for emergency tripping of an engine in case of exceeding maximum speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
GB20883/75A 1974-07-01 1975-05-16 Overspeed safety control mechanism for rotary tools Expired GB1485906A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US484719A US3918213A (en) 1974-07-01 1974-07-01 Overspeed safety control mechanism for rotary tools

Publications (1)

Publication Number Publication Date
GB1485906A true GB1485906A (en) 1977-09-14

Family

ID=23925320

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20883/75A Expired GB1485906A (en) 1974-07-01 1975-05-16 Overspeed safety control mechanism for rotary tools

Country Status (9)

Country Link
US (1) US3918213A (enExample)
JP (1) JPS5115288A (enExample)
CA (1) CA1025738A (enExample)
FR (1) FR2276901A1 (enExample)
GB (1) GB1485906A (enExample)
IN (1) IN143466B (enExample)
IT (1) IT1035854B (enExample)
NL (1) NL7507746A (enExample)
SE (1) SE7507473L (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5363109U (enExample) * 1976-10-30 1978-05-27
JP3127374B2 (ja) * 1999-06-29 2001-01-22 不二空機株式会社 安全装置を備えたエアツール
US7396197B2 (en) * 2004-09-30 2008-07-08 Ati Industrial Automation, Inc. Force-balanced air supply for pneumatic tools

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2291101A (en) * 1939-08-05 1942-07-28 Armstrong Machine Works Electromagnetic valve
US2314218A (en) * 1942-09-03 1943-03-16 Ingersoll Rand Co Safety device
US3369328A (en) * 1965-02-08 1968-02-20 Minnesota Mining & Mfg Abrading machinery
GB1109800A (en) * 1965-11-18 1968-04-18 Broom & Wade Ltd Improvements in or relating to rotary air motors
US3410030A (en) * 1966-01-11 1968-11-12 Chicago Pneumatic Tool Co Safety overspeed control mechanism for rotary tools
GB1366482A (en) * 1971-11-03 1974-09-11 Broom & Wade Ltd Rotary air motors
US3910030A (en) * 1973-09-12 1975-10-07 Ise Electronics Corp Digital clocks
US3923429A (en) * 1974-06-03 1975-12-02 Chicago Pneumatic Tool Co Overspeed safety device for rotary tools

Also Published As

Publication number Publication date
IT1035854B (it) 1979-10-20
US3918213A (en) 1975-11-11
IN143466B (enExample) 1977-12-03
JPS5115288A (en) 1976-02-06
NL7507746A (nl) 1976-01-05
FR2276901A1 (fr) 1976-01-30
SE7507473L (sv) 1976-01-02
CA1025738A (en) 1978-02-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee