GB252663A - Improvement in throttle valves for rock drills - Google Patents

Improvement in throttle valves for rock drills

Info

Publication number
GB252663A
GB252663A GB32615/25A GB3261525A GB252663A GB 252663 A GB252663 A GB 252663A GB 32615/25 A GB32615/25 A GB 32615/25A GB 3261525 A GB3261525 A GB 3261525A GB 252663 A GB252663 A GB 252663A
Authority
GB
United Kingdom
Prior art keywords
valve
feed cylinder
ratchet
passage
improvement
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
GB32615/25A
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand 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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of GB252663A publication Critical patent/GB252663A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/04—Means to prevent accidental or unauthorised actuation yieldingly resisting the actuation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Multiple-Way Valves (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)

Abstract

252,663. Ingersoll-Rand Co., (Assignees of Bayles, L. C., and Slater, F. M.). May 28, 1925, [Convention date]. Percussive drills.-A rotary throttle valve for a rock drill is retained in any position by means of a ratchet X with teeth Z on its face pressed by a spring c into engagement with a pawl ring U which rotates with the throttle-valve stem R. The ratchet X is prevented from rotating by lugs X<1> which engage a groove Y, and carries stops b. The pressure air supplied to the valve by a pipe F passes to the hammer cylinder and feed cylinder by way of ports J, L respectively. When the valve is closed the passage K leading to the feed cylinder registers with a passage d through the valve spindle, whereby air blows out from the feed cylinder to clear dust from the chamber C.
GB32615/25A 1925-05-28 1925-12-24 Improvement in throttle valves for rock drills Expired GB252663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33321A US1578383A (en) 1925-05-28 1925-05-28 Throttle valve for rock drills

Publications (1)

Publication Number Publication Date
GB252663A true GB252663A (en) 1926-09-09

Family

ID=21869735

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32615/25A Expired GB252663A (en) 1925-05-28 1925-12-24 Improvement in throttle valves for rock drills

Country Status (3)

Country Link
US (1) US1578383A (en)
FR (1) FR608789A (en)
GB (1) GB252663A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566885A (en) * 1944-02-18 1951-09-04 Parker Appliance Co Cylindrical valve
US2458873A (en) * 1944-05-29 1949-01-11 Parker Appliance Co Indexing mechanism for valves
US2438672A (en) * 1944-09-05 1948-03-30 Parker Appliance Co Valve indexing means
US2465720A (en) * 1947-05-24 1949-03-29 Allis Chalmers Mfg Co Lever detent mechanism
DE1001214B (en) * 1951-12-01 1957-01-24 Boehler & Co Ag Geb Inlet cock for compressed air drills and other compressed air devices
US4082095A (en) * 1975-10-09 1978-04-04 Barry Mendelson Stomach pump
US4253453A (en) * 1979-10-19 1981-03-03 Airco, Inc. Selector valve for anesthesia machine
FR2535436A1 (en) * 1982-10-29 1984-05-04 Petrolieres Sa Et Device for manoeuvring industrial taps
EP4008935A1 (en) * 2020-12-03 2022-06-08 TI Automotive Technology Center GmbH Rotary valve
US20240183453A1 (en) * 2022-12-05 2024-06-06 HELLA GmbH & Co. KGaA Low torque valve

Also Published As

Publication number Publication date
FR608789A (en) 1926-08-02
US1578383A (en) 1926-03-30

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