US3373830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighing cell
Assignee: Automatic Timing and Controls Inc
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Filing: 1965-07-27
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Granted: 1968-03-19
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Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Edward T Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:38
CPC Classifications
G; G01; G01G; G01G3/00; G01G3/02; G01G7/00; G01G7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A WEIGHING CELL COMPRISING: (A) AT LEAST ONE SUBSTANTIALLY HORIZONTAL FLEXURE PLATE HAVING ONE POSITIONALLY FIXED END, (B) A FIRST HORIZONTAL SUBASSEMBLYY WHICH RECEIVES A LOAD TO BE WEIGHED CONNECTED TO THE OTHER END OF SAID FLEXURE PLATE, (C) A POSITIONALLY FIXED AND RIGID HORIZONTAL MEMBER DISPOSED BELOW SAID FLEXURE PLATE, (D) A SECOND HORIZONTAL SUBASSEMBLY VERTICALLY SPACED FROM SAID FIRST SUBASSEMBLY, SAID SECOND SUBASSEMBLY BEING DISPOSED BELOW SAID HORIZONTAL MEMBER AND BEING CONNECTED TO SAID FIRST SUBASSEMBLY FOR MOVEMENT IN UNISON THEREWITH, SAID SECOND HORIZONTAL SUBASSEMBLY HAVING A VERTICAL PORTION IN WHICH A SLOT IS FORMED, (E) VERTICAL SPRING MEANS WHOSE UPPER END IS CONNECTED TO SAID RIGID MEMBER, (F) A VERTICAL SPRING TENSIONING MEMBER WHOSE UPPER END IS CONNECTED TO SAID SPRING MEANS, SAID TENSIONING MEMBER BEING THREADED AND HAVING A PORTION THEREOF WHICH PASSES THROUGH AN APERTURE IN SAID SECOND HORIZONTAL SUBASSEMBLY, AND (G) A HORIZONTAL NUT WHICH ENGAGES SAID (F) MEMBER AND WHICH IS DISPOSED IN SAID SLOT TO ADJUST THE VERTICAL POSITION OF SAID (F) MEMBER WHEN ROTATED, SAID NUT BEING ACCESSIBLE FOR ROTATION THROUGH SAID SLOT, (H) MEANS ATTACHED TO SAID (D) SUBASSEMBLY FOR PRODUCING RELATIVE MOVEMENT BETWEEN AN INDUCTIVE MEMBER AND A CORE ASSOCIATED THEREWITH.
Claim 2
Dependent Claim
202 words
A WEIGHING CELL COMPRISING: (A) AT LEAST ONE SUBSTANTIALLY HORIZONTAL FLEXURE PLATE HAVING ONE POSITIONALLY FIXED END, (B) A FIRST HORIZONTAL SUBASSEMBLYY WHICH RECEIVES A LOAD TO BE WEIGHED CONNECTED TO THE OTHER END OF SAID FLEXURE PLATE, (C) A POSITIONALLY FIXED AND RIGID HORIZONTAL MEMBER DISPOSED BELOW SAID FLEXURE PLATE, (D) A SECOND HORIZONTAL SUBASSEMBLY VERTICALLY SPACED FROM SAID FIRST SUBASSEMBLY, SAID SECOND SUBASSEMBLY BEING DISPOSED BELOW SAID HORIZONTAL MEMBER AND BEING CONNECTED TO SAID FIRST SUBASSEMBLY FOR MOVEMENT IN UNISON THEREWITH, SAID SECOND HORIZONTAL SUBASSEMBLY HAVING A VERTICAL PORTION IN WHICH A SLOT IS FORMED, (E) VERTICAL SPRING MEANS WHOSE UPPER END IS CONNECTED TO SAID RIGID MEMBER, (F) A VERTICAL SPRING TENSIONING MEMBER WHOSE UPPER END IS CONNECTED TO SAID SPRING MEANS, SAID TENSIONING MEMBER BEING THREADED AND HAVING A PORTION THEREOF WHICH PASSES THROUGH AN APERTURE IN SAID SECOND HORIZONTAL SUBASSEMBLY, AND (G) A HORIZONTAL NUT WHICH ENGAGES SAID (F) MEMBER AND WHICH IS DISPOSED IN SAID SLOT TO ADJUST THE VERTICAL POSITION OF SAID (F) MEMBER WHEN ROTATED, SAID NUT BEING ACCESSIBLE FOR ROTATION THROUGH SAID SLOT, (H) MEANS ATTACHED TO SAID (D) SUBASSEMBLY FOR PRODUCING RELATIVE MOVEMENT BETWEEN AN INDUCTIVE MEMBER AND A CORE ASSOCIATED THEREWITH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |