GB1361954A - Force balance instruments - Google Patents

Force balance instruments

Info

Publication number
GB1361954A
GB1361954A GB490473A GB490473A GB1361954A GB 1361954 A GB1361954 A GB 1361954A GB 490473 A GB490473 A GB 490473A GB 490473 A GB490473 A GB 490473A GB 1361954 A GB1361954 A GB 1361954A
Authority
GB
United Kingdom
Prior art keywords
force
nut
housing
screw
arm
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
GB490473A
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.)
Sybron Transition Corp
Original Assignee
Sybron Corp
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 Sybron Corp filed Critical Sybron Corp
Publication of GB1361954A publication Critical patent/GB1361954A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
    • Y10T74/18752—Manually driven
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19623—Backlash take-up

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

1361954 Force balance instrument SYBRON CORP 31 Jan 1973 [31 Jan 1972] 4904/73 Heading G1W A force balance instrument comprises a housing 20, a fulcrum 14 adjustable along the housing by means of a nut 16 and screw 18, a lever 12 pivoted about the fulcrum 14 and to the ends of which a force F1 and counterbalance force F2 are applied, and a leaf-spring 58 urging the nut 16 and screw 18 against the housing 20. Screw 18 is supported by V-bearings 24 of housing 20, and prevented from vertical movement by washers 26, 28. Nut 16 carries an arm 38 which engages a slot in the housing to guide the nut, the end 42 of arm 38 co-operating with a scale on housing 20 to indicate the fulcrum position. Leaf-spring 58 is flexed by its engagement with a slot 54 in housing 20 and exerts a force on the nut 16 to urge the nut and screw against the V-bearing and a torque on the nut to urge the arm 38 against one side of its slot. The spring 58 is preferably flexed beyond its elastic limit. Force F1 may represent a differential pressure and be applied to lever 12 via a bellows or a force beam. Force F2 may be provided by a feedback motor controlled by a detecting device.
GB490473A 1972-01-31 1973-01-31 Force balance instruments Expired GB1361954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22199272A 1972-01-31 1972-01-31

Publications (1)

Publication Number Publication Date
GB1361954A true GB1361954A (en) 1974-07-30

Family

ID=22830286

Family Applications (1)

Application Number Title Priority Date Filing Date
GB490473A Expired GB1361954A (en) 1972-01-31 1973-01-31 Force balance instruments

Country Status (9)

Country Link
US (1) US3741028A (en)
AU (1) AU5119773A (en)
CA (1) CA964486A (en)
DE (1) DE2304706C3 (en)
FR (1) FR2170003B1 (en)
GB (1) GB1361954A (en)
IT (1) IT977040B (en)
NL (1) NL7301036A (en)
ZA (1) ZA7360B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922302A (en) * 1973-07-26 1975-11-25 American Home Prod 15-Ethynyl-11-deoxy PGE
US4040663A (en) * 1976-11-16 1977-08-09 Christensen Fredrich M Seat back tilt control unit

Also Published As

Publication number Publication date
US3741028A (en) 1973-06-26
IT977040B (en) 1974-09-10
DE2304706C3 (en) 1981-02-26
CA964486A (en) 1975-03-18
ZA7360B (en) 1973-09-26
NL7301036A (en) 1973-08-02
FR2170003B1 (en) 1977-07-22
AU5119773A (en) 1974-07-18
DE2304706A1 (en) 1973-08-09
DE2304706B2 (en) 1977-03-31
FR2170003A1 (en) 1973-09-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee