Patent US3213680A successfully refreshed from Google Patents.
US3213680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load cell protector
Assignee: EIDP Inc
•
Filing: 1963-03-15
•
Granted: 1965-10-26
•
Expires: 1983-03-15
Abstract
No abstract record available.
Inventors
- 👤 William E Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:00
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/13; G01L5/133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A PROTECTOR FOR A THRUST-MEASURING MECHANISM WHICH COMPRISES (1) A HOUSING HAVING TWO, A FIRST AND A SECOND, OPPOSED EXTREMITIES AND A CENTRAL BORE EXTENDING FROM ONE EXTREMITY TO THE OTHER, SAID FIRST EXTREMITY BEING PROVIDED WITH MEANS FOR RECEIVING A THRUST-PRODUCING DEVICE, (2) AN ELONGATED SHAFT MOVEABLY MOUNTED WITHIN SAID BORE, SAID SHAFT EXTENDING THROUGH SAID SECOND EXTREMITY AND BEING CONNECTED TO SAID THRUST MEASURING MEACHANISM, (3) RIGIDLY MOUNTED RESTRAINING MEANS POSITIONED IN SPACED RELATIONSHIP BETWEEN SAID HOUSING AND SAID THRUST-MEASURING MECHANISM, AND (4) SHEARING MEANS FOR SUPPORTING THE LOAD PRODUCED ON THE HOUSING BY SAID THRUST PRODUCING DEVICE AND TRANSMITTING SAID LOAD THROUGH SAID SHAFT TO THE THRUST MEASURING-MECHANISM, SAID SHEARING MEANS TRAVERSING THE BORE IN SAID HOUSING AND ENGAGING SAID SHAFT, THE SHEAR STRENGTH OF THE SHEARING MEANS BEING ABOUT EQUAL TO THE LOAD CAPACITY OF THE THRUST MEASURINGMECHANISM, THEREBY CAUSING THE SHEARING MEANS TO FAIL AND RELEASE SAID LOAD ON THE THRUST MEASURINGMECHANISM BEFORE IT IS OVERLOADED.
Claim 2
Dependent Claim
161 words
A PROTECTOR FOR A THRUST-MEASURING MECHANISM WHICH COMPRISES (1) A HOUSING HAVING TWO, A FIRST AND A SECOND, OPPOSED EXTREMITIES AND A CENTRAL BORE EXTENDING FROM ONE EXTREMITY TO THE OTHER, SAID FIRST EXTREMITY BEING PROVIDED WITH MEANS FOR RECEIVING A THRUST-PRODUCING DEVICE, (2) AN ELONGATED SHAFT MOVEABLY MOUNTED WITHIN SAID BORE, SAID SHAFT EXTENDING THROUGH SAID SECOND EXTREMITY AND BEING CONNECTED TO SAID THRUST MEASURING MEACHANISM, (3) RIGIDLY MOUNTED RESTRAINING MEANS POSITIONED IN SPACED RELATIONSHIP BETWEEN SAID HOUSING AND SAID THRUST-MEASURING MECHANISM, AND (4) SHEARING MEANS FOR SUPPORTING THE LOAD PRODUCED ON THE HOUSING BY SAID THRUST PRODUCING DEVICE AND TRANSMITTING SAID LOAD THROUGH SAID SHAFT TO THE THRUST MEASURING-MECHANISM, SAID SHEARING MEANS TRAVERSING THE BORE IN SAID HOUSING AND ENGAGING SAID SHAFT, THE SHEAR STRENGTH OF THE SHEARING MEANS BEING ABOUT EQUAL TO THE LOAD CAPACITY OF THE THRUST MEASURINGMECHANISM, THEREBY CAUSING THE SHEARING MEANS TO FAIL AND RELEASE SAID LOAD ON THE THRUST MEASURINGMECHANISM BEFORE IT IS OVERLOADED.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |