GB823845A - Tailstocks for lathes and the like - Google Patents

Tailstocks for lathes and the like

Info

Publication number
GB823845A
GB823845A GB2899155A GB2899155A GB823845A GB 823845 A GB823845 A GB 823845A GB 2899155 A GB2899155 A GB 2899155A GB 2899155 A GB2899155 A GB 2899155A GB 823845 A GB823845 A GB 823845A
Authority
GB
United Kingdom
Prior art keywords
spindle
switch
sleeve
tailstock
centre
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
GB2899155A
Inventor
Frank Wood
John Allcard
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.)
J&E Arnfield Ltd
Original Assignee
J&E Arnfield Ltd
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 J&E Arnfield Ltd filed Critical J&E Arnfield Ltd
Priority to GB2899155A priority Critical patent/GB823845A/en
Publication of GB823845A publication Critical patent/GB823845A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B23/00—Tailstocks; Centres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/062—Electric motors

Abstract

823,845. Lathe details. ARNFIELD Ltd., J. & E. Jan. 11, 1957 [Oct. 11, 1955], No. 28991/55. Class 83 (3). A tailstock for a lathe &c. is of the type provided with spring means for taking up the expansion that occurs in a workpiece when being machined. The centre 3 is carried in a non-rotatable sleeve 2 fed by a rotatable spindle 4 screw threaded at 5 where it connects with the sleeve. A compression spring 12 is interposed between a collar 11 on the spindle and the inside of the housing. When the centre is fed forward by rotation of the spindle and meets the resistance of the work, spring 12 is compressed as the spindle is forced back, and a trip 13 secured to the spindle operates a switch 14 which stops the motor (not shown) driving the worm 7. The trip 13 engages a projection 15 on the switch mounting if the spring 12 fractures, and thus prevents the work being completely released. Drive 7 is reversed for retraction of the centre, and the motor is stopped by a finger 8 on the sleeve engaging a switch 10. Forward movement of the sleeve is halted when there is no work in the machine, by the finger 8 and switch 9. An electrical interlock may be provided so that the tailstock cannot be released while the machine is running and a workpiece is held by the tailstock.
GB2899155A 1955-10-11 1955-10-11 Tailstocks for lathes and the like Expired GB823845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2899155A GB823845A (en) 1955-10-11 1955-10-11 Tailstocks for lathes and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2899155A GB823845A (en) 1955-10-11 1955-10-11 Tailstocks for lathes and the like

Publications (1)

Publication Number Publication Date
GB823845A true GB823845A (en) 1959-11-18

Family

ID=10284508

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2899155A Expired GB823845A (en) 1955-10-11 1955-10-11 Tailstocks for lathes and the like

Country Status (1)

Country Link
GB (1) GB823845A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4969185U (en) * 1972-09-27 1974-06-17
EP1342520A1 (en) * 2002-02-19 2003-09-10 Danobat, S. Coop. A tailstock with automatic control of position and force

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4969185U (en) * 1972-09-27 1974-06-17
JPS5140140Y2 (en) * 1972-09-27 1976-09-30
EP1342520A1 (en) * 2002-02-19 2003-09-10 Danobat, S. Coop. A tailstock with automatic control of position and force

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