GB190710251A - Improvements in Rock Drills - Google Patents

Improvements in Rock Drills

Info

Publication number
GB190710251A
GB190710251A GB190710251DA GB190710251A GB 190710251 A GB190710251 A GB 190710251A GB 190710251D A GB190710251D A GB 190710251DA GB 190710251 A GB190710251 A GB 190710251A
Authority
GB
United Kingdom
Prior art keywords
rock drills
keymer
tripod
gripped
wedge
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
Henry John Cubitt Keymer
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 GB190710251A publication Critical patent/GB190710251A/en
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

10,251. Keymer, H. J. C. May 2. Drawings to Specification. Tripod &c. stands.-In a rock drill; the legs or stretching bars have transverse serrations along the whole of one side and are gripped by corresponding serrated keys actuated by wedge, screws, or bolts.
GB190710251D 1907-05-02 1907-05-02 Improvements in Rock Drills Expired GB190710251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190710251T 1907-05-02

Publications (1)

Publication Number Publication Date
GB190710251A true GB190710251A (en) 1908-08-04

Family

ID=32206276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190710251D Expired GB190710251A (en) 1907-05-02 1907-05-02 Improvements in Rock Drills

Country Status (1)

Country Link
GB (1) GB190710251A (en)

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