DE2821074C2 - - Google Patents

Info

Publication number
DE2821074C2
DE2821074C2 DE19782821074 DE2821074A DE2821074C2 DE 2821074 C2 DE2821074 C2 DE 2821074C2 DE 19782821074 DE19782821074 DE 19782821074 DE 2821074 A DE2821074 A DE 2821074A DE 2821074 C2 DE2821074 C2 DE 2821074C2
Authority
DE
Germany
Prior art keywords
tool according
air
valve flap
designed
trigger
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
DE19782821074
Other languages
German (de)
English (en)
Other versions
DE2821074A1 (de
Inventor
Ernst 7410 Reutlingen De Dreher
Siegfried 7246 Wiesenstetten De Spittler
Reinhold 7022 Leinfelden-Echterdingen De Stroezel
Richard 7000 Stuttgart De Wolf
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19782821074 priority Critical patent/DE2821074A1/de
Priority to US06/024,778 priority patent/US4265604A/en
Priority to SE7904120A priority patent/SE7904120L/
Priority to JP5714279A priority patent/JPS54150530A/ja
Publication of DE2821074A1 publication Critical patent/DE2821074A1/de
Application granted granted Critical
Publication of DE2821074C2 publication Critical patent/DE2821074C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Hydraulic Motors (AREA)
  • Actuator (AREA)
DE19782821074 1978-05-13 1978-05-13 Druckluftwerkzeug mit umlaufmotor Granted DE2821074A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19782821074 DE2821074A1 (de) 1978-05-13 1978-05-13 Druckluftwerkzeug mit umlaufmotor
US06/024,778 US4265604A (en) 1978-05-13 1979-03-28 Rotary pneumatic tool with valve-closing pin actuated upon overspeed
SE7904120A SE7904120L (sv) 1978-05-13 1979-05-10 Tryckluftverktyg med rotationsmotor
JP5714279A JPS54150530A (en) 1978-05-13 1979-05-11 Pneumatic tool with rotary motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782821074 DE2821074A1 (de) 1978-05-13 1978-05-13 Druckluftwerkzeug mit umlaufmotor

Publications (2)

Publication Number Publication Date
DE2821074A1 DE2821074A1 (de) 1979-11-22
DE2821074C2 true DE2821074C2 ( ) 1989-09-07

Family

ID=6039333

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782821074 Granted DE2821074A1 (de) 1978-05-13 1978-05-13 Druckluftwerkzeug mit umlaufmotor

Country Status (4)

Country Link
US (1) US4265604A ( )
JP (1) JPS54150530A ( )
DE (1) DE2821074A1 ( )
SE (1) SE7904120L ( )

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5859589U (ja) * 1981-10-19 1983-04-22 日本ニユ−マチツク工業株式会社 空気工具
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
US20050211471A1 (en) * 2004-03-29 2005-09-29 Cdx Gas, Llc System and method for controlling drill motor rotational speed
SE527476C2 (sv) * 2004-04-30 2006-03-21 Atlas Copco Tools Ab Övervarvsskydd för en rotationsmotor
GB201205954D0 (en) 2012-04-03 2012-05-16 Cff Technologies Ltd Downhole actuator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586968A (en) * 1949-11-16 1952-02-26 Ingersoll Rand Co Safety device for rotary motors
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
US3749530A (en) * 1972-01-24 1973-07-31 Dresser Ind Governor for pneumatic motor
US3923429A (en) * 1974-06-03 1975-12-02 Chicago Pneumatic Tool Co Overspeed safety device for rotary tools
US3930764A (en) * 1974-12-26 1976-01-06 Cooper Industries, Inc. Air tool overspeed shutoff device
US4090821A (en) * 1976-06-29 1978-05-23 Ingersoll-Rand Company Governor device
US4184819A (en) * 1978-01-23 1980-01-22 The Aro Corporation Secondary speed sensor for governed air grinders

Also Published As

Publication number Publication date
SE7904120L (sv) 1979-11-14
DE2821074A1 (de) 1979-11-22
JPS6232321B2 ( ) 1987-07-14
JPS54150530A (en) 1979-11-26
US4265604A (en) 1981-05-05

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8120 Willingness to grant licences paragraph 23
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee