GB858710A - Improvements in or relating to lathes and other machine tools - Google Patents

Improvements in or relating to lathes and other machine tools

Info

Publication number
GB858710A
GB858710A GB35226/57A GB3522657A GB858710A GB 858710 A GB858710 A GB 858710A GB 35226/57 A GB35226/57 A GB 35226/57A GB 3522657 A GB3522657 A GB 3522657A GB 858710 A GB858710 A GB 858710A
Authority
GB
United Kingdom
Prior art keywords
torsion
bar
drive
gear
ratio
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
GB35226/57A
Other languages
English (en)
Inventor
Albert John Hayward
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.)
GEORGE COHEN 600 GROUP Ltd
Original Assignee
GEORGE COHEN 600 GROUP 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 GEORGE COHEN 600 GROUP Ltd filed Critical GEORGE COHEN 600 GROUP Ltd
Publication of GB858710A publication Critical patent/GB858710A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/664—Friction gearings
    • 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
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/12—Mechanical drives with means for varying the speed ratio
    • B23Q5/16—Mechanical drives with means for varying the speed ratio infinitely-variable
    • B23Q5/162—Mechanical drives with means for varying the speed ratio infinitely-variable mechanically-operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/26—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution
    • F16H15/28—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution with external friction surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2552—Headstock
    • Y10T82/2554—Speed changing gear
    • Y10T82/2556—Speed change gears for maintaining constant cutting speed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
  • Transmission Devices (AREA)
GB35226/57A 1957-11-12 1957-11-12 Improvements in or relating to lathes and other machine tools Expired GB858710A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB350162X 1957-11-12

Publications (1)

Publication Number Publication Date
GB858710A true GB858710A (en) 1961-01-11

Family

ID=10372792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35226/57A Expired GB858710A (en) 1957-11-12 1957-11-12 Improvements in or relating to lathes and other machine tools

Country Status (6)

Country Link
US (1) US3028778A ( )
BE (1) BE571424A ( )
CH (1) CH350162A ( )
DE (1) DE1164196B ( )
FR (1) FR1210195A ( )
GB (1) GB858710A ( )

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018200181A1 (en) * 2017-04-24 2018-11-01 Fallbrook Intellectual Property Company Llc Disc with insertable pins and method of manufacture for same
US10323732B2 (en) 2013-04-19 2019-06-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10428939B2 (en) 2003-02-28 2019-10-01 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10428915B2 (en) 2012-01-23 2019-10-01 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US10458526B2 (en) 2016-03-18 2019-10-29 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, systems and methods
US10634224B2 (en) 2008-06-06 2020-04-28 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US10704687B2 (en) 2007-12-21 2020-07-07 Fallbrook Intellectual Property Company Llc Automatic transmissions and methods therefor
US10703372B2 (en) 2007-02-01 2020-07-07 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
US10704657B2 (en) 2008-08-26 2020-07-07 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10711869B2 (en) 2005-11-22 2020-07-14 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10746270B2 (en) 2009-04-16 2020-08-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10920882B2 (en) 2016-01-15 2021-02-16 Fallbrook Intellectual Property Company Llc Systems and methods for controlling rollback in continuously variable transmissions
US11125329B2 (en) 2007-11-16 2021-09-21 Fallbrook Intellectual Property Company Llc Controller for variable transmission
US11174922B2 (en) 2019-02-26 2021-11-16 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions
US11215268B2 (en) 2018-11-06 2022-01-04 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
US11454303B2 (en) 2005-12-09 2022-09-27 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US11598397B2 (en) 2005-12-30 2023-03-07 Fallbrook Intellectual Property Company Llc Continuously variable gear transmission
US11667351B2 (en) 2016-05-11 2023-06-06 Fallbrook Intellectual Property Company Llc Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmission

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009208166A (ja) * 2008-02-29 2009-09-17 Komatsu Ntc Ltd 工作機械の主軸装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675713A (en) * 1954-04-20 Protective mechanism for variable
US2088948A (en) * 1936-03-07 1937-08-03 Link Belt Co Variable speed drive
US2209037A (en) * 1937-08-31 1940-07-23 Kienzle Taxameter Und App A G Device for control of the cutting speed of machine tools
US2512008A (en) * 1941-03-21 1950-06-20 Monarch Machine Tool Co Apparatus for operating lathes
US2469653A (en) * 1945-02-01 1949-05-10 Kopp Jean Stepless variable change-speed gear with roller bodies
US2561724A (en) * 1946-03-11 1951-07-24 Monarch Machine Tool Co Apparatus for operating lathes
DE1702019U (de) * 1953-09-19 1955-07-07 Eisenwerk Wuelfel Einrichtung zur einhaltung konstanter geschwindigkeiten, insbesondere der schnittgeschwindigkeit bei drehbaenken.

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10428939B2 (en) 2003-02-28 2019-10-01 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10711869B2 (en) 2005-11-22 2020-07-14 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US11454303B2 (en) 2005-12-09 2022-09-27 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US11598397B2 (en) 2005-12-30 2023-03-07 Fallbrook Intellectual Property Company Llc Continuously variable gear transmission
US10703372B2 (en) 2007-02-01 2020-07-07 Fallbrook Intellectual Property Company Llc Systems and methods for control of transmission and/or prime mover
US11125329B2 (en) 2007-11-16 2021-09-21 Fallbrook Intellectual Property Company Llc Controller for variable transmission
US10704687B2 (en) 2007-12-21 2020-07-07 Fallbrook Intellectual Property Company Llc Automatic transmissions and methods therefor
US10634224B2 (en) 2008-06-06 2020-04-28 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US10704657B2 (en) 2008-08-26 2020-07-07 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10746270B2 (en) 2009-04-16 2020-08-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10428915B2 (en) 2012-01-23 2019-10-01 Fallbrook Intellectual Property Company Llc Infinitely variable transmissions, continuously variable transmissions, methods, assemblies, subassemblies, and components therefor
US10323732B2 (en) 2013-04-19 2019-06-18 Fallbrook Intellectual Property Company Llc Continuously variable transmission
US10920882B2 (en) 2016-01-15 2021-02-16 Fallbrook Intellectual Property Company Llc Systems and methods for controlling rollback in continuously variable transmissions
US11306818B2 (en) 2016-01-15 2022-04-19 Fallbrook Intellectual Property Company Llc Systems and methods for controlling rollback in continuously variable transmissions
US10458526B2 (en) 2016-03-18 2019-10-29 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, systems and methods
US11667351B2 (en) 2016-05-11 2023-06-06 Fallbrook Intellectual Property Company Llc Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmission
WO2018200181A1 (en) * 2017-04-24 2018-11-01 Fallbrook Intellectual Property Company Llc Disc with insertable pins and method of manufacture for same
US11215268B2 (en) 2018-11-06 2022-01-04 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
US11624432B2 (en) 2018-11-06 2023-04-11 Fallbrook Intellectual Property Company Llc Continuously variable transmissions, synchronous shifting, twin countershafts and methods for control of same
US11174922B2 (en) 2019-02-26 2021-11-16 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions
US11530739B2 (en) 2019-02-26 2022-12-20 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions
US12000458B2 (en) 2019-02-26 2024-06-04 Fallbrook Intellectual Property Company Llc Reversible variable drives and systems and methods for control in forward and reverse directions

Also Published As

Publication number Publication date
BE571424A ( )
FR1210195A (fr) 1960-03-07
DE1164196B (de) 1964-02-27
US3028778A (en) 1962-04-10
CH350162A (fr) 1960-11-15

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