JPS55143415A - Weight measuring instrument for bed - Google Patents
Weight measuring instrument for bedInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6188113A (en) * | 1984-10-05 | 1986-05-06 | Bijikon Kk | Goods shelf device |
-
1979
- 1979-04-02 JP JP3955379A patent/JPS55143415A/en active Pending
Cited By (1)
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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