GB243250A - Improvement in rock drill front ends - Google Patents

Improvement in rock drill front ends

Info

Publication number
GB243250A
GB243250A GB13901/25A GB1390125A GB243250A GB 243250 A GB243250 A GB 243250A GB 13901/25 A GB13901/25 A GB 13901/25A GB 1390125 A GB1390125 A GB 1390125A GB 243250 A GB243250 A GB 243250A
Authority
GB
United Kingdom
Prior art keywords
chuck
flange
shoulder
cylinder
vents
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
GB13901/25A
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 GB243250A publication Critical patent/GB243250A/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
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit

Landscapes

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

Abstract

243,250. Ingersoll-Rand Co., (Assignees of Bayles, L. C.). March 12, 1925, [Convention date]. Percussive drills.-The front head Q is provided with a shoulder R for retaining the chuck F by engaging a flange P, which also bears against the cylinder extension O. The inner end of the extension bears against a flange K on the front cylinder washer J, which flange engages a shoulder L on the cylinder. The anvil block G is retained by an internal shoulder X. A loose chuck jaw S engages the front end of the chuck, within which lies a sleeve V provided with a groove W to permit the passage of air. Vents a, Z are provided to allow of the escape of any air which may leak into the interior of the chuck, a chamber b being arranged between the vents to act as a dust trap. A lubricating chamber d with a filling plug is arranged as shown.
GB13901/25A 1925-03-12 1925-05-27 Improvement in rock drill front ends Expired GB243250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US243250XA 1925-03-12 1925-03-12

Publications (1)

Publication Number Publication Date
GB243250A true GB243250A (en) 1925-11-26

Family

ID=21820006

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13901/25A Expired GB243250A (en) 1925-03-12 1925-05-27 Improvement in rock drill front ends

Country Status (1)

Country Link
GB (1) GB243250A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017129789A1 (en) * 2016-01-29 2017-08-03 Zenz Holger Hammer device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017129789A1 (en) * 2016-01-29 2017-08-03 Zenz Holger Hammer device

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