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GB1068480A - Improvements in weighing apparatus - Google Patents

Improvements in weighing apparatus

Info

Publication number
GB1068480A
GB1068480A GB5049664A GB5049664A GB1068480A GB 1068480 A GB1068480 A GB 1068480A GB 5049664 A GB5049664 A GB 5049664A GB 5049664 A GB5049664 A GB 5049664A GB 1068480 A GB1068480 A GB 1068480A
Authority
GB
United Kingdom
Prior art keywords
cells
load
loaded
pressure
dec
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
GB5049664A
Inventor
Leonard Sanders
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.)
Avery Weigh Tronix Ltd
Original Assignee
W&T Avery 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 W&T Avery Ltd filed Critical W&T Avery Ltd
Priority to GB5049664A priority Critical patent/GB1068480A/en
Publication of GB1068480A publication Critical patent/GB1068480A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G1/00—Weighing apparatus involving the use of a counterweight or other counterbalancing mass
    • G01G1/18—Balances involving the use of a pivoted beam, i.e. beam balances
    • G01G1/24—Platform-type scales, i.e. having the pans carried above the beam
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
    • G01G3/1402—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G01G3/1408—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being of the column type, e.g. cylindric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Force In General (AREA)

Abstract

1,068,480. Measuring weight electrically. W. & T. AVERY Ltd. Dec.13, 1965 [Dec.11, 1964], No. 50496/64. Headings G1N and G1W. To counteract the effect of atmospheric pressure on weight measurements, a weighing apparatus comprises a platform 8 (Fig. 2) supported on four hermetically sealed strain gauge load cells one under each corner thereof, two load cells 10 (12) being loaded in tension and the other two 9 (11) loaded in compression. The cells are each sealed from the atmosphere by a flexible diaphragm. Changes in pressure will act equally on the cells, and increasing pressure will increase the load on the cells 9 (11) in compression and will decrease the load in the cells 10 (12) in tension. The cells are electrically connected to summate their output whereby the effect of atmospheric pressure is cancelled out. Each tensioned load cell 10 (12) has its upper end fixed to an oval plate supported by columns 17 on a base 5, while its bottom end is fixed to an oval plate 19 the ends of which are loaded by two vertical supports 20 connected to the platform through self aligning ball units 4 and a connecting plate 21. It is suggested that the load cells may be fluid pressure type.
GB5049664A 1964-12-11 1964-12-11 Improvements in weighing apparatus Expired GB1068480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5049664A GB1068480A (en) 1964-12-11 1964-12-11 Improvements in weighing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5049664A GB1068480A (en) 1964-12-11 1964-12-11 Improvements in weighing apparatus

Publications (1)

Publication Number Publication Date
GB1068480A true GB1068480A (en) 1967-05-10

Family

ID=10456115

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5049664A Expired GB1068480A (en) 1964-12-11 1964-12-11 Improvements in weighing apparatus

Country Status (1)

Country Link
GB (1) GB1068480A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077420A1 (en) * 1981-10-09 1983-04-27 Martin Charles Larby Security system
GB2119528A (en) * 1982-04-23 1983-11-16 Secr Defence Measuring load distribution

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077420A1 (en) * 1981-10-09 1983-04-27 Martin Charles Larby Security system
GB2119528A (en) * 1982-04-23 1983-11-16 Secr Defence Measuring load distribution

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