US3237720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Climbing apparatus
Assignee: Partner AB
•
Filing: 1964-04-13
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Granted: 1966-03-01
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Nils D Landqvist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:36
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/095; A01G23/0955; A01G23/08; B; B27; B27L; B27L1/00; Y; Y10; Y10S; Y10S180/00; Y10S180/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A MACHINE FOR ADVANCING WORKING AND PROCESSING MEANS IN A HELICAL PATH OVER THE SURFACE OF LONGISH OBJECTS SUBSTANTIALLY CIRCULAR IN CROSS SECTION, COMPRISING A MOTOR DRIVEN CARRIAGE HAVING WHEELS ADAPTED TO BE SUPPORTED BY AND TO RUN OVER SAID SURFACE, TWO ROTATABLE MEANS MOUNTED ON THE CARRIAGE IN SPACED RELATION TRANSVERSELY OF THE DIRECTION OF MOVEMENT AND ADAPTED TO ROTATE WITH CLEARANCE IN RELATION TO SAID SUPPORTED SURFACE, A FLEXIBLE ENDLESS MEMBER PASSING OVER SAID ROTATABLE MEANS, ONE PART OF SAID MEMBER BEING ADAPTED TO BE PUT IN AT LEAST ONE HELICAL LOOP AROUND THE OBJECT TO BE TREATED, WHILE AN OPPOSITE PART IS PERMITTED TO DEPEND FREELY BETWEEN THE ROTATABLE MEANS, POWER TRANSMITTING MEANS CONNECTING ONE OF SAID ROTATABLE MEANS TO THE MOTOR AND BRAKING MEANS ARRANGED TO ENGAGE THE NON-DRIVEN ROTATABLE MEANS TO KEEP THE HELICAL LOOP OF THE FLEXIBLE ENDLESS MEMBER UNDER A DESIRED TENSION, THE RUNNING WHEELS OF THE CARRIAGE BEING DIRECTED IN PARALLEL TO SAID HELICAL LOOP, WHEREBY THE CARRIAGE IS MOVABLE ALONG THE PATH DEFINED BY SAID LOOP.
Claim 2
Dependent Claim
175 words
A MACHINE FOR ADVANCING WORKING AND PROCESSING MEANS IN A HELICAL PATH OVER THE SURFACE OF LONGISH OBJECTS SUBSTANTIALLY CIRCULAR IN CROSS SECTION, COMPRISING A MOTOR DRIVEN CARRIAGE HAVING WHEELS ADAPTED TO BE SUPPORTED BY AND TO RUN OVER SAID SURFACE, TWO ROTATABLE MEANS MOUNTED ON THE CARRIAGE IN SPACED RELATION TRANSVERSELY OF THE DIRECTION OF MOVEMENT AND ADAPTED TO ROTATE WITH CLEARANCE IN RELATION TO SAID SUPPORTED SURFACE, A FLEXIBLE ENDLESS MEMBER PASSING OVER SAID ROTATABLE MEANS, ONE PART OF SAID MEMBER BEING ADAPTED TO BE PUT IN AT LEAST ONE HELICAL LOOP AROUND THE OBJECT TO BE TREATED, WHILE AN OPPOSITE PART IS PERMITTED TO DEPEND FREELY BETWEEN THE ROTATABLE MEANS, POWER TRANSMITTING MEANS CONNECTING ONE OF SAID ROTATABLE MEANS TO THE MOTOR AND BRAKING MEANS ARRANGED TO ENGAGE THE NON-DRIVEN ROTATABLE MEANS TO KEEP THE HELICAL LOOP OF THE FLEXIBLE ENDLESS MEMBER UNDER A DESIRED TENSION, THE RUNNING WHEELS OF THE CARRIAGE BEING DIRECTED IN PARALLEL TO SAID HELICAL LOOP, WHEREBY THE CARRIAGE IS MOVABLE ALONG THE PATH DEFINED BY SAID LOOP.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |