JPS5770412A - Weight measuring device - Google Patents

Weight measuring device

Info

Publication number
JPS5770412A
JPS5770412A JP14746080A JP14746080A JPS5770412A JP S5770412 A JPS5770412 A JP S5770412A JP 14746080 A JP14746080 A JP 14746080A JP 14746080 A JP14746080 A JP 14746080A JP S5770412 A JPS5770412 A JP S5770412A
Authority
JP
Japan
Prior art keywords
same shape
load receiving
stationary
receiving pan
movable
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.)
Pending
Application number
JP14746080A
Other languages
Japanese (ja)
Inventor
Giichi Kuroda
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP14746080A priority Critical patent/JPS5770412A/en
Publication of JPS5770412A publication Critical patent/JPS5770412A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G21/00—Details of weighing apparatus
    • G01G21/24—Guides or linkages for ensuring parallel motion of the weigh-pans

Landscapes

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

Abstract

PURPOSE:To manufacture an instrument causing no errors owing to differnces in load points by providing a movable part and a stationary part of the same parts to the lower part of a load receiving pan and the bottom part of a housing and providing a Roberval's parallel motion mechanism of parallelograms of an equal interaxis size. CONSTITUTION:A stationary part 6 and a movable part 5 of the same shape are secured to the bottom surface of a housing 1 and the lower side of a load receiving pan 2. Oscillating parts 7, 8 of the same shape are connected between the part 6 and the part 6, so that parallelograms 6, 7, 5, 7a of the same shape are formed on both side surfaces. A spring 10 is provided between a stationary holding arm 9 and a movable holding arm 11. In accordance with the weight of an object placed on the pan 2, the part 5 lowers and the spring 10 extends, then the tooth 15 of a magnifying lever 12 moves a rack 16, forcing a disc 17 to be turned by a pinion 18. Marks 19 attached around the disc are detected by a photosensor 20. The output thereof is digitized and is displayed in a display part 3. Thereby, the Roberval's parallel motion mechanism is constituted and the measurement errors according to the positions on the load receiving pan are prevented.
JP14746080A 1980-10-20 1980-10-20 Weight measuring device Pending JPS5770412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14746080A JPS5770412A (en) 1980-10-20 1980-10-20 Weight measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14746080A JPS5770412A (en) 1980-10-20 1980-10-20 Weight measuring device

Publications (1)

Publication Number Publication Date
JPS5770412A true JPS5770412A (en) 1982-04-30

Family

ID=15430862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14746080A Pending JPS5770412A (en) 1980-10-20 1980-10-20 Weight measuring device

Country Status (1)

Country Link
JP (1) JPS5770412A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799562A (en) * 1987-12-24 1989-01-24 Everest & Jennings Canadian Limited Cantilever weighing apparatus
JPH01280239A (en) * 1988-05-02 1989-11-10 Rigaku Keisoku Kk Differential thermobalance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799562A (en) * 1987-12-24 1989-01-24 Everest & Jennings Canadian Limited Cantilever weighing apparatus
JPH01280239A (en) * 1988-05-02 1989-11-10 Rigaku Keisoku Kk Differential thermobalance

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