JPS55143415A - Weight measuring instrument for bed - Google Patents

Weight measuring instrument for bed

Info

Publication number
JPS55143415A
JPS55143415A JP3955379A JP3955379A JPS55143415A JP S55143415 A JPS55143415 A JP S55143415A JP 3955379 A JP3955379 A JP 3955379A JP 3955379 A JP3955379 A JP 3955379A JP S55143415 A JPS55143415 A JP S55143415A
Authority
JP
Japan
Prior art keywords
load
bed
measurement
spring
force
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
JP3955379A
Other languages
Japanese (ja)
Inventor
Kaoru Furusawa
Mitsumaro Koike
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.)
Meisei Electric Co Ltd
Asahi Kasei Medical Co Ltd
Original Assignee
Asahi Medical Co Ltd
Meisei Electric Co 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 Asahi Medical Co Ltd, Meisei Electric Co Ltd filed Critical Asahi Medical Co Ltd
Priority to JP3955379A priority Critical patent/JPS55143415A/en
Publication of JPS55143415A publication Critical patent/JPS55143415A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Force In General (AREA)

Abstract

PURPOSE: To improve measurement precision by using Roberval mechanism between a weight sensor and the mount surface of the legs of a bed and further using a crystal vibrator as the weight sensor.
CONSTITUTION: A load applied on load plate 29 is transmitted to measurement point structure 23 via Roberval mechanism and this measurement-point structure 23 moves downward. As measurement-point structure moves downward, spring 30 is elongated and the force of the load is applied on crystal sensor 24. At the time when spring 30 is balanced, spring 30 functions as only a transfer structure for the force of the load to crystal sensor 24, so that force in accurate proportion to the load applied on load plate 29 will be applied to crystal sensor 24.
COPYRIGHT: (C)1980,JPO&Japio
JP3955379A 1979-04-02 1979-04-02 Weight measuring instrument for bed Pending JPS55143415A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3955379A JPS55143415A (en) 1979-04-02 1979-04-02 Weight measuring instrument for bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3955379A JPS55143415A (en) 1979-04-02 1979-04-02 Weight measuring instrument for bed

Publications (1)

Publication Number Publication Date
JPS55143415A true JPS55143415A (en) 1980-11-08

Family

ID=12556250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3955379A Pending JPS55143415A (en) 1979-04-02 1979-04-02 Weight measuring instrument for bed

Country Status (1)

Country Link
JP (1) JPS55143415A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188113A (en) * 1984-10-05 1986-05-06 Bijikon Kk Goods shelf device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188113A (en) * 1984-10-05 1986-05-06 Bijikon Kk Goods shelf device

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