US3353792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cranes, grabs and the like
Assignee: Individual
•
Filing: 1966-06-28
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Granted: 1967-11-21
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Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Aitken Robert Loudon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:11
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/02; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/38; B65H75/44; B65H75/4436; B65H75/4442; B66D5/00; B65H2701/00; B65H2701/30; B65H2701/35; B66D2700/00; B66D2700/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A SPRING DRIVEN REEL MECHANISM FOR A LINE FOR ATTACHMENT TO A SUSPENDED LOAD TO PREVENT TWISTING, COMPRISING A STATIONARY MEMBER, A ROTATABLE REEL ARRANGED COAXIALLY WITH SAID STATIONARY MEMBER, AT LEAST COILED SPRING CONNECTED BETWEEN SAID REEL AND SAIS STATIONARY MEMBER, ONE END BEING DRIVINGLY CONNECTED TO SAID ROTATABLE REEL AND THE OTHER END BEING ANCHORED TO SAID STATIONARY MEMBER, BRAKE MEANS COMPRISING TWO RELATIVELY ROTATABLE PARTS, ONE OF SAID PARTS CARRYING FRICTION ELEMENTS PRESSED IN SLIPPING ENGAGEMENT AGAINST THE OTHER OF SAID PARTS UNDER CONSTANT LOAD, AND UNI-DIRECTIONAL CLUTCH MEANS COUPLED BETWEEN ONE PART OF SAID BRAKE MEANS AND ONE OF SAID REEL AND SAID STATIONARY MEMBER, THE OTHER PART OF SAID BRAKE MEANS BEING SECURED TO THE OTHER OF SAID REEL AND SAID STATIONARY MEMBER, WHEREBY SAID BRAKE
Claim 2
Dependent Claim
131 words
A SPRING DRIVEN REEL MECHANISM FOR A LINE FOR ATTACHMENT TO A SUSPENDED LOAD TO PREVENT TWISTING, COMPRISING A STATIONARY MEMBER, A ROTATABLE REEL ARRANGED COAXIALLY WITH SAID STATIONARY MEMBER, AT LEAST COILED SPRING CONNECTED BETWEEN SAID REEL AND SAIS STATIONARY MEMBER, ONE END BEING DRIVINGLY CONNECTED TO SAID ROTATABLE REEL AND THE OTHER END BEING ANCHORED TO SAID STATIONARY MEMBER, BRAKE MEANS COMPRISING TWO RELATIVELY ROTATABLE PARTS, ONE OF SAID PARTS CARRYING FRICTION ELEMENTS PRESSED IN SLIPPING ENGAGEMENT AGAINST THE OTHER OF SAID PARTS UNDER CONSTANT LOAD, AND UNI-DIRECTIONAL CLUTCH MEANS COUPLED BETWEEN ONE PART OF SAID BRAKE MEANS AND ONE OF SAID REEL AND SAID STATIONARY MEMBER, THE OTHER PART OF SAID BRAKE MEANS BEING SECURED TO THE OTHER OF SAID REEL AND SAID STATIONARY MEMBER, WHEREBY SAID BRAKE
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |