GB615918A - An automatic centre finding and drilling device - Google Patents

An automatic centre finding and drilling device

Info

Publication number
GB615918A
GB615918A GB1138346A GB1138346A GB615918A GB 615918 A GB615918 A GB 615918A GB 1138346 A GB1138346 A GB 1138346A GB 1138346 A GB1138346 A GB 1138346A GB 615918 A GB615918 A GB 615918A
Authority
GB
United Kingdom
Prior art keywords
drill
centering
drillholder
drilling device
sleeve
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
GB1138346A
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
Priority to BE486379D priority Critical patent/BE486379A/xx
Application filed by Individual filed Critical Individual
Priority to GB1138346A priority patent/GB615918A/en
Priority to FR975477D priority patent/FR975477A/en
Publication of GB615918A publication Critical patent/GB615918A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
    • B23B49/04—Devices for boring or drilling centre holes in workpieces

Landscapes

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

Abstract

615,918. Drilling; chucks. FLORY, T. W. April 13, 1946, No. 11383. [Class 83 (iii)] A centering-device has a sleeve d threaded interiorly at one end c to receive a drillholder e, the other end forming a guide for a centering- piece g having a tapered recess to centralise a workpiece, and an axial bore i to give passage to a drill r held by the drill - holder; the centering-piece is retained in the sleeve by a shoulder h and bears against a spring f. A collar o having a conical enlargement p and a square g at one end is formed with a radial slot to allow it to contract on to the drill when threaded into a bore m in the drillholder. A screw s having an axial split at one end and a conical recess at the other to fit the butt end of the drill serves as a stop.
GB1138346A 1946-04-13 1946-04-13 An automatic centre finding and drilling device Expired GB615918A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE486379D BE486379A (en) 1946-04-13
GB1138346A GB615918A (en) 1946-04-13 1946-04-13 An automatic centre finding and drilling device
FR975477D FR975477A (en) 1946-04-13 1948-11-26 Automatic centering and drilling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1138346A GB615918A (en) 1946-04-13 1946-04-13 An automatic centre finding and drilling device

Publications (1)

Publication Number Publication Date
GB615918A true GB615918A (en) 1949-01-13

Family

ID=9985211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1138346A Expired GB615918A (en) 1946-04-13 1946-04-13 An automatic centre finding and drilling device

Country Status (3)

Country Link
BE (1) BE486379A (en)
FR (1) FR975477A (en)
GB (1) GB615918A (en)

Also Published As

Publication number Publication date
BE486379A (en)
FR975477A (en) 1951-03-06

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