IT1032337B - Perfezionamento nei dispositivi di sicurezza per utensili rotativi - Google Patents

Perfezionamento nei dispositivi di sicurezza per utensili rotativi

Info

Publication number
IT1032337B
IT1032337B IT7548645A IT4864575A IT1032337B IT 1032337 B IT1032337 B IT 1032337B IT 7548645 A IT7548645 A IT 7548645A IT 4864575 A IT4864575 A IT 4864575A IT 1032337 B IT1032337 B IT 1032337B
Authority
IT
Italy
Prior art keywords
improvement
safety devices
rotary tools
tools
rotary
Prior art date
Application number
IT7548645A
Other languages
English (en)
Original Assignee
Chicago Pneumatic Tool 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 Chicago Pneumatic Tool Co filed Critical Chicago Pneumatic Tool Co
Application granted granted Critical
Publication of IT1032337B publication Critical patent/IT1032337B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/18—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/06—Adaptations for driving, or combinations with, hand-held tools or the like control thereof
    • F01D15/062—Controlling means specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/02—Shutting-down responsive to overspeed
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/0971—Speed responsive valve control
    • Y10T137/108—Centrifugal mass type [exclusive of liquid]
    • Y10T137/1153—Excess speed responsive
IT7548645A 1974-06-03 1975-03-17 Perfezionamento nei dispositivi di sicurezza per utensili rotativi IT1032337B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US475814A US3923429A (en) 1974-06-03 1974-06-03 Overspeed safety device for rotary tools

Publications (1)

Publication Number Publication Date
IT1032337B true IT1032337B (it) 1979-05-30

Family

ID=23889271

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7548645A IT1032337B (it) 1974-06-03 1975-03-17 Perfezionamento nei dispositivi di sicurezza per utensili rotativi

Country Status (10)

Country Link
US (1) US3923429A (it)
JP (1) JPS50156777A (it)
CA (1) CA1035642A (it)
DE (2) DE2519039A1 (it)
FR (1) FR2272793B1 (it)
GB (1) GB1477579A (it)
IN (1) IN143465B (it)
IT (1) IT1032337B (it)
NL (1) NL7506505A (it)
SE (1) SE403819B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918213A (en) * 1974-07-01 1975-11-11 Chicago Pneumatic Tool Co Overspeed safety control mechanism for rotary tools
DE2821074A1 (de) * 1978-05-13 1979-11-22 Bosch Gmbh Robert Druckluftwerkzeug mit umlaufmotor
US4278103A (en) * 1980-01-07 1981-07-14 Chicago Pneumatic Tool Company Overspeed control means for pneumatic tools
SE452208B (sv) * 1981-10-21 1987-11-16 Atlas Copco Ab Sekerhetsanordning mot overvarv vid en pneumatiskt driven rotationsslipmaskin
SE435641B (sv) * 1981-10-21 1984-10-08 Atlas Copco Ab Lufttillforselorgan vid ett pneumatiskt drivet handverktyg
SE512868C2 (sv) * 1998-03-27 2000-05-29 Atlas Copco Tools Ab Varvtalsstyrenhet för en pneumatisk rotationsmotor
SE519673C2 (sv) * 2000-12-22 2003-03-25 Atlas Copco Tools Ab Varvtalsregulator för en pneumatisk rotationsmotor
SE527476C2 (sv) * 2004-04-30 2006-03-21 Atlas Copco Tools Ab Övervarvsskydd för en rotationsmotor
EP1896693B1 (en) * 2005-06-09 2012-11-28 Atlas Copco Industrial Technique AB Pneumatic vane motor with by-pass means
US10293472B2 (en) * 2014-05-16 2019-05-21 Robert Bosch Tool Corporation Speed limiting governor of a rotating shaft in air

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422733A (en) * 1945-04-02 1947-06-24 Ingersoll Rand Co Speed responsive fluid motor throttling and shutoff valve means
US2586968A (en) * 1949-11-16 1952-02-26 Ingersoll Rand Co Safety device for rotary motors
US3071115A (en) * 1961-07-06 1963-01-01 Thomas C Wilson Inc Pneumatic motor with overspeed safety device
GB1027771A (en) * 1962-01-30 1966-04-27 Broom & Wade Ltd Improvements in or relating to rotary pneumatic motors
US3279485A (en) * 1963-04-22 1966-10-18 Rockwell Mfg Co Safety governor for pneumatic tool
US3519372A (en) * 1968-09-19 1970-07-07 Ingersoll Rand Co Speed control
US3767332A (en) * 1971-08-16 1973-10-23 Black & Decker Mfg Co Speed control and cut-off device

Also Published As

Publication number Publication date
US3923429A (en) 1975-12-02
DE7513688U (de) 1975-09-18
CA1035642A (en) 1978-08-01
DE2519039A1 (de) 1975-12-18
IN143465B (it) 1977-12-03
SE403819B (sv) 1978-09-04
FR2272793A1 (it) 1975-12-26
NL7506505A (nl) 1975-12-05
GB1477579A (en) 1977-06-22
FR2272793B1 (it) 1979-07-27
JPS50156777A (it) 1975-12-18
SE7504711L (sv) 1975-12-04

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