US3285120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preload bolt joint
Assignee: Individual
•
Filing: 1965-04-30
•
Granted: 1966-11-15
•
Expires: 1985-04-30
Abstract
No abstract record available.
Inventors
- 👤 Tauno F Kartiala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:57
CPC Classifications
F; F16; F16B; F16B31/00; F16B31/02; F16B31/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN COMBINATION IN A JOINT TO BE PRELOADED TO A PREDETERMINED VALUE, A HEADED BOLT, AND A CALIBRATING WASHER BENEATH THE HEAD OF SAID BOLT, SAID WASHER COMPRISING: TWO CONCENTRIC RINGS BEING AXIALLY OFFSET FROM ONE ANOTHER AND BEING INTEGRALLY CONNECTED BY A CONTINUOUS WALL OF FRANGIBLE MATERIAL DEFINING THE SMALLEST CROSS-SECTION OF THE WASHER, THE HEAD OF SAID BOLT ENGAGING THE SMALLER OF THE TWO RINGS WITH THE MAXIMUM TRANSVERSE DIMENSION OF THE HEAD BEING LESS THE OUTER DIAMETER OF SAID SMALLER RING.
Claim 2
Dependent Claim
84 words
IN COMBINATION IN A JOINT TO BE PRELOADED TO A PREDETERMINED VALUE, A HEADED BOLT, AND A CALIBRATING WASHER BENEATH THE HEAD OF SAID BOLT, SAID WASHER COMPRISING: TWO CONCENTRIC RINGS BEING AXIALLY OFFSET FROM ONE ANOTHER AND BEING INTEGRALLY CONNECTED BY A CONTINUOUS WALL OF FRANGIBLE MATERIAL DEFINING THE SMALLEST CROSS-SECTION OF THE WASHER, THE HEAD OF SAID BOLT ENGAGING THE SMALLER OF THE TWO RINGS WITH THE MAXIMUM TRANSVERSE DIMENSION OF THE HEAD BEING LESS THE OUTER DIAMETER OF SAID SMALLER RING.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |