GB191103271A - Improvements in Chucks or Tool Holders for Rock-drilling Machines. - Google Patents

Improvements in Chucks or Tool Holders for Rock-drilling Machines.

Info

Publication number
GB191103271A
GB191103271A GB191103271DA GB191103271A GB 191103271 A GB191103271 A GB 191103271A GB 191103271D A GB191103271D A GB 191103271DA GB 191103271 A GB191103271 A GB 191103271A
Authority
GB
United Kingdom
Prior art keywords
wedge
chucks
rock
tool holders
drilling machines
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
Inventor
Edward James Rule
James Ferguson
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
Application granted granted Critical
Publication of GB191103271A publication Critical patent/GB191103271A/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)
  • Earth Drilling (AREA)

Abstract

3271. Rule, E. J., and Ferguson, J. Feb. 8. Fercussive drills.-In a chuck of the type wherein a wedge-shaped gripping-pad is arranged in connexion with a stirrup to grip the tool, the wedge h has its thickest part outwards and has an abutment i, at its inner end, against which the drill j bears. When the drill strikes a blow, it tends to tighten the grip of the wedge. The liner f is held in place by a lug g. The shoulder k prevents the wedge from falling out when the tool is removed.
GB191103271D 1911-02-08 1911-02-08 Improvements in Chucks or Tool Holders for Rock-drilling Machines. Expired GB191103271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191103271T 1911-02-08

Publications (1)

Publication Number Publication Date
GB191103271A true GB191103271A (en) 1911-10-05

Family

ID=32365700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191103271D Expired GB191103271A (en) 1911-02-08 1911-02-08 Improvements in Chucks or Tool Holders for Rock-drilling Machines.

Country Status (1)

Country Link
GB (1) GB191103271A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281157A (en) * 1962-05-18 1966-10-25 John J Hendrickson Chuck for vibratory tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281157A (en) * 1962-05-18 1966-10-25 John J Hendrickson Chuck for vibratory tool

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