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GB832577A - Improvements in or relating to hydraulic control valve units - Google Patents

Improvements in or relating to hydraulic control valve units

Info

Publication number
GB832577A
GB832577A GB3472357A GB3472357A GB832577A GB 832577 A GB832577 A GB 832577A GB 3472357 A GB3472357 A GB 3472357A GB 3472357 A GB3472357 A GB 3472357A GB 832577 A GB832577 A GB 832577A
Authority
GB
United Kingdom
Prior art keywords
hydraulic control
control valve
relating
valve units
nov
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
GB3472357A
Inventor
Hubert George Hayes
Joseph Burton Woodruff
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.)
Hayes Engineers Leeds Ltd
Original Assignee
Hayes Engineers Leeds 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 Hayes Engineers Leeds Ltd filed Critical Hayes Engineers Leeds Ltd
Priority to GB3472357A priority Critical patent/GB832577A/en
Publication of GB832577A publication Critical patent/GB832577A/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
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/24—Feelers; Feeler units
    • B23Q35/26—Feelers; Feeler units designed for a physical contact with a pattern or a model
    • B23Q35/36—Feelers; Feeler units designed for a physical contact with a pattern or a model for control of a hydraulic or pneumatic copying system

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

832,577. Copy-milling. HAYES ENGINEERS (LEEDS) Ltd. Nov. 5, 1958 [Nov. 7, 1957], No. 34723/57. Addition to 830,929. Class 83 (3). An hydraulic control valve unit, as claimed in Claim 1 of the parent Specification, comprises a tracer-carrying member 27 movable axially in an element 6 having a flange mounted in ball. bearings for movement transversely of the member. The member 27 abuts a valve 35 directly, or by an interposed ball. The valve is biased by a spring 38.
GB3472357A 1957-11-07 1957-11-07 Improvements in or relating to hydraulic control valve units Expired GB832577A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3472357A GB832577A (en) 1957-11-07 1957-11-07 Improvements in or relating to hydraulic control valve units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3472357A GB832577A (en) 1957-11-07 1957-11-07 Improvements in or relating to hydraulic control valve units

Publications (1)

Publication Number Publication Date
GB832577A true GB832577A (en) 1960-04-13

Family

ID=10369181

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3472357A Expired GB832577A (en) 1957-11-07 1957-11-07 Improvements in or relating to hydraulic control valve units

Country Status (1)

Country Link
GB (1) GB832577A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235222A (en) * 1961-07-21 1966-02-15 Claude H Nickell Tracer equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235222A (en) * 1961-07-21 1966-02-15 Claude H Nickell Tracer equipment

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