GB312038A - - Google Patents

Info

Publication number
GB312038A
GB312038A GB37855/28A GB3785528A GB312038A GB 312038 A GB312038 A GB 312038A GB 37855/28 A GB37855/28 A GB 37855/28A GB 3785528 A GB3785528 A GB 3785528A GB 312038 A GB312038 A GB 312038A
Authority
GB
United Kingdom
Prior art keywords
piston
pistons
passages
partition
pressure fluid
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
GB37855/28A
Other languages
English (en)
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of GB312038A publication Critical patent/GB312038A/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)
  • Press Drives And Press Lines (AREA)
  • Earth Drilling (AREA)
  • Actuator (AREA)
GB37855/28A 1928-05-19 1928-12-21 Expired GB312038A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US312038TA 1928-05-19 1928-05-19

Publications (1)

Publication Number Publication Date
GB312038A true GB312038A (no) 1930-03-21

Family

ID=31945883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37855/28A Expired GB312038A (no) 1928-05-19 1928-12-21

Country Status (1)

Country Link
GB (1) GB312038A (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796271A (en) * 1972-03-10 1974-03-12 L Amtsberg Rock drill having a triple coaxial hammer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796271A (en) * 1972-03-10 1974-03-12 L Amtsberg Rock drill having a triple coaxial hammer

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