GB191128385A - Improvements in and relating to Rock Drills and the like. - Google Patents

Improvements in and relating to Rock Drills and the like.

Info

Publication number
GB191128385A
GB191128385A GB191128385DA GB191128385A GB 191128385 A GB191128385 A GB 191128385A GB 191128385D A GB191128385D A GB 191128385DA GB 191128385 A GB191128385 A GB 191128385A
Authority
GB
United Kingdom
Prior art keywords
relating
cylinder
rock drills
fluid
working
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
Peter Williams
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 GB191128385A publication Critical patent/GB191128385A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/26—Lubricating
    • B25D17/265—Lubricating the lubricant being entrained to the machine parts by the driving fluid

Landscapes

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

Abstract

28,385. Williams, P. Dec. 16. Slide valves.-A percussive rock drill is lubricated by oil carried into the cylinder by the working-fluid. A container l supplies lubricant to a hollow slide valve l, from which it passes through the inlet ports b, c to the cylinder a with the working fluid. The slide valve is of rectangular section and works in corresponding valve box g.
GB191128385D 1911-12-16 1911-12-16 Improvements in and relating to Rock Drills and the like. Expired GB191128385A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191128385T 1911-12-16

Publications (1)

Publication Number Publication Date
GB191128385A true GB191128385A (en) 1912-06-06

Family

ID=32366568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191128385D Expired GB191128385A (en) 1911-12-16 1911-12-16 Improvements in and relating to Rock Drills and the like.

Country Status (1)

Country Link
GB (1) GB191128385A (en)

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