GB191216530A - Improvements in or relating to Pneumatic Tools. - Google Patents

Improvements in or relating to Pneumatic Tools.

Info

Publication number
GB191216530A
GB191216530A GB191216530DA GB191216530A GB 191216530 A GB191216530 A GB 191216530A GB 191216530D A GB191216530D A GB 191216530DA GB 191216530 A GB191216530 A GB 191216530A
Authority
GB
United Kingdom
Prior art keywords
piston
relating
pneumatic tools
flattened surfaces
hammer
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
Inventor
Henry Ernest Massmann
William Richard Tindall
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191216530A publication Critical patent/GB191216530A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Reciprocating Pumps (AREA)

Abstract

16,530. Massmann, H. E., and Tindall, W. R. July 15. Percussive drills.-In a pneumatic hammer tool, the piston hammer is provided with flattened surfaces a<2> arranged parallel to, and also with other flattened surfaces a<3> arranged helically with respect to, the longitudinal axis of the piston. The tool holder d and ratchetwheel c have corresponding flattened surfaces formed in their interior to engage with the flat surfaces on the piston, all grooving of the piston being dispensed with.
GB191216530D 1912-07-15 1912-07-15 Improvements in or relating to Pneumatic Tools. Expired GB191216530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191216530T 1912-07-15

Publications (1)

Publication Number Publication Date
GB191216530A true GB191216530A (en) 1913-01-30

Family

ID=32641917

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191216530D Expired GB191216530A (en) 1912-07-15 1912-07-15 Improvements in or relating to Pneumatic Tools.

Country Status (1)

Country Link
GB (1) GB191216530A (en)

Similar Documents

Publication Publication Date Title
GB191216530A (en) Improvements in or relating to Pneumatic Tools.
GB191414018A (en) High Speed Tool.
GB112786A (en) Improvements in or relating to Pneumatic Percussive Tools.
GB191218443A (en) Improvements in Percussive Rock-drilling Tools.
GB191228385A (en) Improvements in Drills for Rock-drilling.
GB191220091A (en) Improvements in Pneumatic Hammers.
GB191109987A (en) An Improved Combined General Utility Tool.
GB103619A (en) Improvements relating to Pneumatically Operated Percussion Tools.
GB191318141A (en) Improvements in and connected with Straight Shanks of Drills, Taps, Reamers, and any other Tools adaptable for Chuck-work.
GB112787A (en) Improvements in or relating to Pneumatic Percussive Tools.
GB191324122A (en) A New or Improved Device for Coupling Shafts, Connecting Die Heads to Spindles and the like, and for analogous purposes.
GB190205115A (en) A Tool for Making Holes in Walls and the like.
GB146163A (en) A new or improved tool for the preparation of holes for expanding wall plugs
GB191311292A (en) Improved Tool Socket or Chuck.
GB111140A (en) Improvements in Valve Gear for Percussion Rock Drills, Tools and other Reciprocating Engines.
GB191311303A (en) Improvements in Caulking Tools.
GB190910889A (en) Improvements in Twist Drills.
GB191328639A (en) Improvements in Chucks for Holding Twist Drills and like Tools.
GB191513478A (en) Improvements in Screw-drivers and similar Tools.
GB191328256A (en) Improved Bootmaker&#39;s Awl.
GB191319638A (en) Improvements in Screws.
GB118477A (en) Pneumatic Hammer for Rivetting, Chipping, Cutting and the like.
GB191315462A (en) Improvements in Tool-handles.
GB191217477A (en) Improvements in and relating to Chucks for Percussive Drills and the like.
AU1334514A (en) An improvement in fluid operated percussive tools