GB117421A - Improved Means for Controlling Pneumatic Percussive Tools. - Google Patents

Improved Means for Controlling Pneumatic Percussive Tools.

Info

Publication number
GB117421A
GB117421A GB383318A GB383318A GB117421A GB 117421 A GB117421 A GB 117421A GB 383318 A GB383318 A GB 383318A GB 383318 A GB383318 A GB 383318A GB 117421 A GB117421 A GB 117421A
Authority
GB
United Kingdom
Prior art keywords
tool
fluid
cylinder
lugs
retainer
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
GB383318A
Inventor
Charles Herman Haeseler
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
Priority to GB383318A priority Critical patent/GB117421A/en
Publication of GB117421A publication Critical patent/GB117421A/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
    • B25D9/06—Means for driving the impulse member
    • B25D9/08—Means for driving the impulse member comprising a built-in air compressor, i.e. the tool being driven by air pressure

Landscapes

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

Abstract

117,421. Haeseler, C. H. July 19, 1917. Percussive hand tools; loose tools and bits, retaining.-In a pneumatic percussive tool, a shoulder 14 prevents ejection of the piston 9 from the cylinder 8 and a retainer 68 holds the working tool 13 in the end of the cylinder, while when the tool is not pressed against the work, the working tool is held forward by fluid pressure out of the range of the piston. The pressure fluid preferably comprises cushioned fluid during the advance of the fluid and live fluid during the return. The tool-retainer 68 comprises a knurled sleeve with inwardly extending lugs 74 adapted to engage recessed lugs 75 on the cylinder 8, a spring 78 of rectangular material holding the lugs in engagement. Specification 117,313 is referred to.
GB383318A 1917-07-19 1917-07-19 Improved Means for Controlling Pneumatic Percussive Tools. Expired GB117421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB383318A GB117421A (en) 1917-07-19 1917-07-19 Improved Means for Controlling Pneumatic Percussive Tools.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB383318A GB117421A (en) 1917-07-19 1917-07-19 Improved Means for Controlling Pneumatic Percussive Tools.

Publications (1)

Publication Number Publication Date
GB117421A true GB117421A (en) 1918-07-18

Family

ID=32244566

Family Applications (1)

Application Number Title Priority Date Filing Date
GB383318A Expired GB117421A (en) 1917-07-19 1917-07-19 Improved Means for Controlling Pneumatic Percussive Tools.

Country Status (1)

Country Link
GB (1) GB117421A (en)

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