GB931355A - Improvements relating to flexure stays in weighing apparatus - Google Patents
Improvements relating to flexure stays in weighing apparatusInfo
- Publication number
- GB931355A GB931355A GB838361A GB838361A GB931355A GB 931355 A GB931355 A GB 931355A GB 838361 A GB838361 A GB 838361A GB 838361 A GB838361 A GB 838361A GB 931355 A GB931355 A GB 931355A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stay
- flexure
- ribbons
- weighing apparatus
- support surface
- 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
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
- G01G21/245—Guides or linkages for ensuring parallel motion of the weigh-pans combined with different kinds of bearings
Abstract
931,355. Weighing apparatus. W. & T. AVERY Ltd. March 2, 1962 [March 8, 1961], No. 8383/61. Class 143. A flexure stay incorporated in weighing apparatus comprises interconnected flexure elements extending over similar but oppositely convexly curved support surfaces so that during angular movement of the stay the flexure elements are respectively wound on and off the support surfaces by equal amounts to maintain a substantially constant gauge length. In Fig. 1, the flexure stay is a single length of metal ribbon 10 and 11, 12 are the curved supports. The flexure stay 10 forms one side of a parallelogram, the opposite side being a lever 23 and the two other, opposite, sides being a vertical frame member 15 and a leg bracket 20. 22 and 24 are pivots. The load to be weighed is placed on a limb 21 extending horizontally from the bracket 20 and as it descends the limb 21 remains horizontal owing to the parallel arrangement. The end part 10b of the ribbon is unwound from its support surface and the other end 10a is wound on to its support surface by the same amount, the bending and unbending parts 10a, 10b constituting flexure elements. Since bending strain is less localized the use of early fatigue is reduced. In Fig. 3 the flexure stay is a strut member 30 and the flexure elements are constituted by metal ribbons 33,- 34 secured to the ends of the strut and wrapped round curved support blocks 36, 37. For incorporation in a lever system which is loaded so that the stay 40, Fig. 6, supports both tensional and compressive forces, two pairs of ribbons 41, 42 and 43, 44 are fastened to the stay, the ribbons 42, 44 extending inwards and wrapped round cylindrical support blocks and the ribbons 41, 43 extending outwards and wrapped round the blocks, compression then being resisted by the outer ribbons 42, 44 and tension by the inner ribbons 41, 43. At least one support surface may be angularly adjustable to adjust the gauge length of the stay.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB838361A GB931355A (en) | 1961-03-08 | 1961-03-08 | Improvements relating to flexure stays in weighing apparatus |
| BE614710A BE614710A (en) | 1961-03-08 | 1962-03-06 | Improvements relating to bending struts in step devices. |
| DE1962A0017992 DE1904772U (en) | 1961-03-08 | 1962-03-08 | SCALE WITH A FLEXIBLE HANDLEBAR. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB838361A GB931355A (en) | 1961-03-08 | 1961-03-08 | Improvements relating to flexure stays in weighing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB931355A true GB931355A (en) | 1963-07-17 |
Family
ID=9851496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB838361A Expired GB931355A (en) | 1961-03-08 | 1961-03-08 | Improvements relating to flexure stays in weighing apparatus |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE614710A (en) |
| DE (1) | DE1904772U (en) |
| GB (1) | GB931355A (en) |
-
1961
- 1961-03-08 GB GB838361A patent/GB931355A/en not_active Expired
-
1962
- 1962-03-06 BE BE614710A patent/BE614710A/en unknown
- 1962-03-08 DE DE1962A0017992 patent/DE1904772U/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE614710A (en) | 1962-07-02 |
| DE1904772U (en) | 1964-11-19 |
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