GB235003A - Improvements in rock drills and the like - Google Patents

Improvements in rock drills and the like

Info

Publication number
GB235003A
GB235003A GB1438324A GB1438324A GB235003A GB 235003 A GB235003 A GB 235003A GB 1438324 A GB1438324 A GB 1438324A GB 1438324 A GB1438324 A GB 1438324A GB 235003 A GB235003 A GB 235003A
Authority
GB
United Kingdom
Prior art keywords
spring
drill
rock drills
rock
sgonina
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
GB1438324A
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.)
ALFRED SGONINA
BRITISH FLOTTMANN DRILL COMPAN
Original Assignee
ALFRED SGONINA
BRITISH FLOTTMANN DRILL COMPAN
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 ALFRED SGONINA, BRITISH FLOTTMANN DRILL COMPAN filed Critical ALFRED SGONINA
Priority to GB1438324A priority Critical patent/GB235003A/en
Publication of GB235003A publication Critical patent/GB235003A/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)
  • Percussive Tools And Related Accessories (AREA)

Abstract

235,003. British Flottmann Drill Co., Ltd., and Sgonina, A. June 13, 1924. Percussive tools.- The tool of a rock drill or like apparatus is retained by a spring c which is moved to the left to release the drill. The open end of the spring is widened as shown to prevent removal. Space is left between the spring and the retaining collar on the drill shank for the provision of a spring buffer.
GB1438324A 1924-06-13 1924-06-13 Improvements in rock drills and the like Expired GB235003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1438324A GB235003A (en) 1924-06-13 1924-06-13 Improvements in rock drills and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1438324A GB235003A (en) 1924-06-13 1924-06-13 Improvements in rock drills and the like

Publications (1)

Publication Number Publication Date
GB235003A true GB235003A (en) 1925-06-11

Family

ID=10040192

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1438324A Expired GB235003A (en) 1924-06-13 1924-06-13 Improvements in rock drills and the like

Country Status (1)

Country Link
GB (1) GB235003A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502990A (en) * 2012-06-12 2013-12-18 Pandrol Ltd A railway fastening clip and rail pad for recessed railseats

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502990A (en) * 2012-06-12 2013-12-18 Pandrol Ltd A railway fastening clip and rail pad for recessed railseats
GB2502990B (en) * 2012-06-12 2018-01-31 Pandrol Ltd Railway rail fastening clip for recessed railseats

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