GB270077A - Improvements relating to percussive rock drills - Google Patents

Improvements relating to percussive rock drills

Info

Publication number
GB270077A
GB270077A GB1050726A GB1050726A GB270077A GB 270077 A GB270077 A GB 270077A GB 1050726 A GB1050726 A GB 1050726A GB 1050726 A GB1050726 A GB 1050726A GB 270077 A GB270077 A GB 270077A
Authority
GB
United Kingdom
Prior art keywords
improvements relating
percussive rock
rock drills
bushings
valve
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
GB1050726A
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.)
Climax Rock Drill & Engineerin
Original Assignee
Climax Rock Drill & Engineerin
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 Climax Rock Drill & Engineerin filed Critical Climax Rock Drill & Engineerin
Priority to GB1050726A priority Critical patent/GB270077A/en
Publication of GB270077A publication Critical patent/GB270077A/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
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve

Landscapes

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

Abstract

270,077. Penberthy, E., and Climax Rock-Drill & Engineering Works, Ltd. April 21, 1926. Valve chests and casings. -In a percussive rock drill, the ends of the distributing valve 1 control the admission, and slides in bushings 21, 22 closing the ends of the valve casing. Projections 27, 33 on a division ring 28 and a cylinder cover plate 32 respectively engage shoulders on the bushings and retain them in position.
GB1050726A 1926-04-21 1926-04-21 Improvements relating to percussive rock drills Expired GB270077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1050726A GB270077A (en) 1926-04-21 1926-04-21 Improvements relating to percussive rock drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1050726A GB270077A (en) 1926-04-21 1926-04-21 Improvements relating to percussive rock drills

Publications (1)

Publication Number Publication Date
GB270077A true GB270077A (en) 1927-05-05

Family

ID=9969097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1050726A Expired GB270077A (en) 1926-04-21 1926-04-21 Improvements relating to percussive rock drills

Country Status (1)

Country Link
GB (1) GB270077A (en)

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