US3190333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual washer locking device
Assignee: Illinois Tool Works Inc
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Filing: 1963-01-23
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Granted: 1965-06-22
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Expires: 1983-01-23
Abstract
No abstract record available.
Inventors
- 👤 Jr James C Lanius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:38
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/24; H; H01; H01R; H01R11/00; H01R11/11; H01R11/12; H01R4/00; H01R4/10; H01R4/18; H01R4/183; H01R4/184; H01R4/185; H01R4/28; H01R4/48; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/957
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
IN COMBINATION WITH AN APERTURED WORKPIECE, A LOCKING DEVICE INCLUDING A PAIR OF SHEET METAL LOCKWASHERS WITH SAID APERTURED WORKPIECE POSITIONED THEREBETWEEN EACH WASHER HAVING AN ANNULAR BODY PORTION, YIELDABLE LOCKING TEETH FORMED INTEGRAL WITH AND PROJECTING AXIALLY AND OPPOSITELY BEYOND THE BOUNDING PLANES OF EACH OF SAID BODY PORTIONS, AND WASHER COUPLING MEANS ASSOCIATED WITH THE INNER MARGINS OF SAID BODY PORTIONS AND EXTENDING INTO THE APERTURE OF SAID WORKPIECE FOR SECURING SAID WASHERS AGAISNT SEPARATION AND FOR MAINTAINING SAID WASHERS IN COAXIAL AND RELATIVELY ROTATABLE RELATION, SAID WASHER COUPLING MEANS INCLUDING A CIRCUMFERENTIALLY DISPOSED SWAGEABLE SECTION ALONG AT LEAST ONE INNER BODY MARGIN OVERLYING A COMPLEMENTARY CIRCUMFERENTIAL SECTION ALONG THE OTHER INNER MARGINAL SECTIONS, THE TEETH PROJECTING FROM ONE SIDE OF ONE LOCKWASHER POSITIONED IN OPERATIVE ASSOCIATION WITH AN ADJACENT SURFACE OF THE WORKPIECE AND THE TEETH PROJECTING FROM ONE SIDE OF TEH OTHER LOCKWASHER POSITIONED IN OPERATIVE ASSOCIATION WITH THE OPPOSITE ADJACENT SURFACE OF SAID WORKPIECE WHEREBY SAID LOCKWASHERS AND SAID WORKPIECE, THE TEETH PROJECTING FORM THE OTHER SIDE OF EACH LOCWASHER POSITIONED TO LOCKINGLY IMPINGE OPPOSED SURFACES WHEN CLAMPED THEREAGAINST.
Claim 2
Dependent Claim
184 words
IN COMBINATION WITH AN APERTURED WORKPIECE, A LOCKING DEVICE INCLUDING A PAIR OF SHEET METAL LOCKWASHERS WITH SAID APERTURED WORKPIECE POSITIONED THEREBETWEEN EACH WASHER HAVING AN ANNULAR BODY PORTION, YIELDABLE LOCKING TEETH FORMED INTEGRAL WITH AND PROJECTING AXIALLY AND OPPOSITELY BEYOND THE BOUNDING PLANES OF EACH OF SAID BODY PORTIONS, AND WASHER COUPLING MEANS ASSOCIATED WITH THE INNER MARGINS OF SAID BODY PORTIONS AND EXTENDING INTO THE APERTURE OF SAID WORKPIECE FOR SECURING SAID WASHERS AGAISNT SEPARATION AND FOR MAINTAINING SAID WASHERS IN COAXIAL AND RELATIVELY ROTATABLE RELATION, SAID WASHER COUPLING MEANS INCLUDING A CIRCUMFERENTIALLY DISPOSED SWAGEABLE SECTION ALONG AT LEAST ONE INNER BODY MARGIN OVERLYING A COMPLEMENTARY CIRCUMFERENTIAL SECTION ALONG THE OTHER INNER MARGINAL SECTIONS, THE TEETH PROJECTING FROM ONE SIDE OF ONE LOCKWASHER POSITIONED IN OPERATIVE ASSOCIATION WITH AN ADJACENT SURFACE OF THE WORKPIECE AND THE TEETH PROJECTING FROM ONE SIDE OF TEH OTHER LOCKWASHER POSITIONED IN OPERATIVE ASSOCIATION WITH THE OPPOSITE ADJACENT SURFACE OF SAID WORKPIECE WHEREBY SAID LOCKWASHERS AND SAID WORKPIECE, THE TEETH PROJECTING FORM THE OTHER SIDE OF EACH LOCWASHER POSITIONED TO LOCKINGLY IMPINGE OPPOSED SURFACES WHEN CLAMPED THEREAGAINST.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |