GB144524A - Improvements in breast drills - Google Patents

Improvements in breast drills

Info

Publication number
GB144524A
GB144524A GB2263819A GB2263819A GB144524A GB 144524 A GB144524 A GB 144524A GB 2263819 A GB2263819 A GB 2263819A GB 2263819 A GB2263819 A GB 2263819A GB 144524 A GB144524 A GB 144524A
Authority
GB
United Kingdom
Prior art keywords
lever
work
breast
feed
driving wheel
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
GB2263819A
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 GB2263819A priority Critical patent/GB144524A/en
Publication of GB144524A publication Critical patent/GB144524A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/06—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

144,524. Le Sueur, P. J. Sept. 15, 1919. Hand and breast drills. -A breast drill carries a work-table and has automatic means for feeding the work-table to the drill. The feeding rod 5 is mounted to slide but not to rotate in bearings A and carries at one end a removable and adjustable work-table 6 and at the other end a ratchet feed nut 9 on a screwed portion 8. The feed nut is operated by a pawl 15 pivoted in a lever 10 which is oscillated about a pivot 11 by a snail cam 12 on the driving wheel spindle. The amount of feed is determined by the adjustment of a stop cam 19 for the lever, and further by the use of different ratchet feed nuts, and snail cams on the driving spindle. An extension piece 24 on the lever is adapted to be secured on either side to engage different cams on either side of the driving wheel.
GB2263819A 1919-09-15 1919-09-15 Improvements in breast drills Expired GB144524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2263819A GB144524A (en) 1919-09-15 1919-09-15 Improvements in breast drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2263819A GB144524A (en) 1919-09-15 1919-09-15 Improvements in breast drills

Publications (1)

Publication Number Publication Date
GB144524A true GB144524A (en) 1920-06-17

Family

ID=10182669

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2263819A Expired GB144524A (en) 1919-09-15 1919-09-15 Improvements in breast drills

Country Status (1)

Country Link
GB (1) GB144524A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436568A (en) * 2016-01-23 2016-03-30 湖北华云电气股份有限公司 Laterally-cranking hand drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436568A (en) * 2016-01-23 2016-03-30 湖北华云电气股份有限公司 Laterally-cranking hand drill

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