GB200761A - Improvements in pencussive pneumatic tools - Google Patents

Improvements in pencussive pneumatic tools

Info

Publication number
GB200761A
GB200761A GB3196322A GB3196322A GB200761A GB 200761 A GB200761 A GB 200761A GB 3196322 A GB3196322 A GB 3196322A GB 3196322 A GB3196322 A GB 3196322A GB 200761 A GB200761 A GB 200761A
Authority
GB
United Kingdom
Prior art keywords
air
passages
cylinder
pencussive
pneumatic tools
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
GB3196322A
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.)
JOSEF KOEHLEN
Original Assignee
JOSEF KOEHLEN
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 JOSEF KOEHLEN filed Critical JOSEF KOEHLEN
Priority to GB3196322A priority Critical patent/GB200761A/en
Publication of GB200761A publication Critical patent/GB200761A/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

Landscapes

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

Abstract

200,761. K÷hlen, J. Nov. 22, 1922. Percussive tools.-In a per. cussive pneumatic tool containing ball or other oscillatory distributing valves, the air is admitted to the cylinder by way of two (or more) passages 12, 13 each with a separate valve 9. Branches of each passage lie in a plug control cock 17, which, when turned into the position shown in Fig. 4, cuts off the passages 12, 13 and admits air to a port 21 near the front end of the cylinder, so that the piston is raised enough to permit the air to escape down the grooves in the piston rod and clear out the bore-hole.
GB3196322A 1922-11-22 1922-11-22 Improvements in pencussive pneumatic tools Expired GB200761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3196322A GB200761A (en) 1922-11-22 1922-11-22 Improvements in pencussive pneumatic tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3196322A GB200761A (en) 1922-11-22 1922-11-22 Improvements in pencussive pneumatic tools

Publications (1)

Publication Number Publication Date
GB200761A true GB200761A (en) 1923-07-19

Family

ID=10330983

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3196322A Expired GB200761A (en) 1922-11-22 1922-11-22 Improvements in pencussive pneumatic tools

Country Status (1)

Country Link
GB (1) GB200761A (en)

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