GB183216A - Improvements in connection with hammer drills - Google Patents

Improvements in connection with hammer drills

Info

Publication number
GB183216A
GB183216A GB1104721A GB1104721A GB183216A GB 183216 A GB183216 A GB 183216A GB 1104721 A GB1104721 A GB 1104721A GB 1104721 A GB1104721 A GB 1104721A GB 183216 A GB183216 A GB 183216A
Authority
GB
United Kingdom
Prior art keywords
connection
hammer drills
inclines
stirrup
drills
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
GB1104721A
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 GB1104721A priority Critical patent/GB183216A/en
Publication of GB183216A publication Critical patent/GB183216A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D17/00Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B25D17/082Retainers consisting of a swinging yoke or latching means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

183,216. Nyborg, T. G., and Higgins, M. F. April 15, 1921. Percussive drills.-The drill is retained by a spring stirrup 1, the jaws of which are sprung over two inclines 7, so disposed as to give the stirrup a tendency to turn as shown by the arrow, and hold itself up against a shoulder 8. The inclines 7 may be found on the muzzle-cap as shown, or on an adapter screwed thereto.
GB1104721A 1921-04-15 1921-04-15 Improvements in connection with hammer drills Expired GB183216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1104721A GB183216A (en) 1921-04-15 1921-04-15 Improvements in connection with hammer drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1104721A GB183216A (en) 1921-04-15 1921-04-15 Improvements in connection with hammer drills

Publications (1)

Publication Number Publication Date
GB183216A true GB183216A (en) 1922-07-17

Family

ID=9979018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1104721A Expired GB183216A (en) 1921-04-15 1921-04-15 Improvements in connection with hammer drills

Country Status (1)

Country Link
GB (1) GB183216A (en)

Similar Documents

Publication Publication Date Title
GB183216A (en) Improvements in connection with hammer drills
GB213135A (en) Improvements in rock-drills of the detachable cutter type
GB187908A (en) Improvements in or relating to tools for working granite and the like
GB224046A (en) Improvements in or relating to chisels and like tools
GB171014A (en) Rock drills
GB177891A (en) Improvements in hand pneumatic hammers
GB277422A (en) Improvements in handles for percussion drills, jumpers or the like
GB235003A (en) Improvements in rock drills and the like
GB308198A (en)
GB134286A (en) An Improved Drilling or Boring Appliance.
GB138916A (en) Improvements in or relating to chucks for vertical drilling machines
GB166867A (en) An improved percussion tool
GB232346A (en) Improvements in rock drills
GB272662A (en) Improvements relating to drill holders
GB178621A (en) Improved drill
GB468737A (en) Improvements in and relating to chuck arrangements for receiving tool-bits of percussive tools
GB324265A (en) Improvements in hammer rock drills and like percussive apparatus
GB332342A (en) Tool-holder for pneumatic hammer and locking means therefor
GB263057A (en) Improvements in and relating to overshots for use in well drilling operations
GB265649A (en) Improvements in or relating to rock drills and like percussive tools
GB389705A (en) Improvements in or relating to pneumatic tools
GB339736A (en) Improvements in or relating to percussive drills, picks and the like and chucks for receiving and driving the same
GB154672A (en) Improved pneumatic hammer
GB288278A (en) Improvement in steel retainer for rock drills
GB162151A (en) Improvements relating to tool-retaining devices for percussive drills