GB172528A - Improvements in thread cutting machines, lathes and the like - Google Patents

Improvements in thread cutting machines, lathes and the like

Info

Publication number
GB172528A
GB172528A GB3520720A GB3520720A GB172528A GB 172528 A GB172528 A GB 172528A GB 3520720 A GB3520720 A GB 3520720A GB 3520720 A GB3520720 A GB 3520720A GB 172528 A GB172528 A GB 172528A
Authority
GB
United Kingdom
Prior art keywords
lathes
screw
cutter
bar
thread cutting
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
GB3520720A
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.)
PERCY WILLIAM MARTIN
Original Assignee
PERCY WILLIAM MARTIN
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 PERCY WILLIAM MARTIN filed Critical PERCY WILLIAM MARTIN
Priority to GB3520720A priority Critical patent/GB172528A/en
Publication of GB172528A publication Critical patent/GB172528A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)

Abstract

172,528. Martin, P. W. Dec. 14, 1920. Milling - lathes. -A screw-thread, such as an internal thread on a shell, is cut off by a cutter 6 rotated by a pulley 8. The cutter is advanced into the work by the usual rack and pinion gear 13, and a lever-operated screw 21 is then rotated, which clamps two jaws 19, 20, on the carriage 10, to a bar 18 which is attached to the nut 17 on the lead screw 15. The cutter is then fed laterally to the work by a hand-operated micrometer screw 22. The clamping arrangement may be between the bar and the nut 17, in which case the bar is fixed to the carriage 10.
GB3520720A 1920-12-14 1920-12-14 Improvements in thread cutting machines, lathes and the like Expired GB172528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3520720A GB172528A (en) 1920-12-14 1920-12-14 Improvements in thread cutting machines, lathes and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3520720A GB172528A (en) 1920-12-14 1920-12-14 Improvements in thread cutting machines, lathes and the like

Publications (1)

Publication Number Publication Date
GB172528A true GB172528A (en) 1921-12-15

Family

ID=10375092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3520720A Expired GB172528A (en) 1920-12-14 1920-12-14 Improvements in thread cutting machines, lathes and the like

Country Status (1)

Country Link
GB (1) GB172528A (en)

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