GB199230A - Improvements in automatic feeds for drilling machines - Google Patents

Improvements in automatic feeds for drilling machines

Info

Publication number
GB199230A
GB199230A GB1413322A GB1413322A GB199230A GB 199230 A GB199230 A GB 199230A GB 1413322 A GB1413322 A GB 1413322A GB 1413322 A GB1413322 A GB 1413322A GB 199230 A GB199230 A GB 199230A
Authority
GB
United Kingdom
Prior art keywords
feed
drilling machines
drilling
screw
automatic feeds
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
GB1413322A
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.)
ARTHUR RATCLIFFE
Original Assignee
ARTHUR RATCLIFFE
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 ARTHUR RATCLIFFE filed Critical ARTHUR RATCLIFFE
Priority to GB1413322A priority Critical patent/GB199230A/en
Publication of GB199230A publication Critical patent/GB199230A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

199,230. Ratcliffe, A. May 19, 1922. Drilling. - A hand drilling-machine having a feed-screw 9 intermittently driven by a cam - operated pawl lever 1 and a feathered ratchet wheel 5, is provided with co-operating stops 7, 10 on the lever 1 and a handwheel 8 or other member rotating as one with the feed'-screw, whereby the feed may be automatically arrested at a predetermined point. Either or both of the stops may be axially adjustable.
GB1413322A 1922-05-19 1922-05-19 Improvements in automatic feeds for drilling machines Expired GB199230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1413322A GB199230A (en) 1922-05-19 1922-05-19 Improvements in automatic feeds for drilling machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1413322A GB199230A (en) 1922-05-19 1922-05-19 Improvements in automatic feeds for drilling machines

Publications (1)

Publication Number Publication Date
GB199230A true GB199230A (en) 1923-06-21

Family

ID=10035576

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1413322A Expired GB199230A (en) 1922-05-19 1922-05-19 Improvements in automatic feeds for drilling machines

Country Status (1)

Country Link
GB (1) GB199230A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8846856B2 (en) 2008-12-30 2014-09-30 Dow Global Technologies Llc Hydroxyl-functional polyethers and a preparation process therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8846856B2 (en) 2008-12-30 2014-09-30 Dow Global Technologies Llc Hydroxyl-functional polyethers and a preparation process therefor

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