GB282000A - Improvements in throttle lever for rock drills - Google Patents

Improvements in throttle lever for rock drills

Info

Publication number
GB282000A
GB282000A GB22356/27A GB2235627A GB282000A GB 282000 A GB282000 A GB 282000A GB 22356/27 A GB22356/27 A GB 22356/27A GB 2235627 A GB2235627 A GB 2235627A GB 282000 A GB282000 A GB 282000A
Authority
GB
United Kingdom
Prior art keywords
lever
throttle lever
rock drills
throttle
ingersoll
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
GB22356/27A
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 GB282000A publication Critical patent/GB282000A/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)
  • Mechanical Control Devices (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

282,000. Ingersoll-Rand Go., (Assignees of Wilhelm, R. H.). Dec. 11, 1926, [Convention date]. Percussive tools.-In order to protect the operator's hand, the throttle-operating lever S has a guard piece X with rounded lower edges W and flat under surfaces Y. A swell Z on the lever is arranged close to the pivot of the intermediate lever c, so as to obtain a minimum movement of the lever S.
GB22356/27A 1926-12-11 1927-08-25 Improvements in throttle lever for rock drills Expired GB282000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US282000XA 1926-12-11 1926-12-11

Publications (1)

Publication Number Publication Date
GB282000A true GB282000A (en) 1928-07-26

Family

ID=21842109

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22356/27A Expired GB282000A (en) 1926-12-11 1927-08-25 Improvements in throttle lever for rock drills

Country Status (1)

Country Link
GB (1) GB282000A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163354A (en) * 1991-03-25 1992-11-17 Chicago Pneumatic Tool Company Safety throttle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163354A (en) * 1991-03-25 1992-11-17 Chicago Pneumatic Tool Company Safety throttle

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