Patent US2447822A successfully refreshed from Google Patents.
Patent US3180280A successfully refreshed from Google Patents.
US3180280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle and guide rail therefor
Assignee: Individual
•
Filing: 1963-08-28
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Granted: 1965-04-27
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Expires: 1983-08-28
Abstract
No abstract record available.
Inventors
- 👤 Kuch Heiner
- 👤 Jacobi Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:15
CPC Classifications
B; B62; B62D; B62D1/00; B62D1/24; B62D1/26; B62D1/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
STEERING MEANS FOR A SELF STEERING VEHICLE OF THE TYPE HAVING GUIDE ROLLERS MOVABLE ALONG A GUIDE RAIL AND RUNNING WHEELS OPERATIVELY LINKED TO SAID GUIDE ROLLERS TO FOLLOW THE COURSE OF THE GUIDE RAIL, SAID MEANS INCLUDING A GUIDE RAIL HAVING A HEAD PORTION PRESENTING A PAIR OF OPPOSITELY DISPOSED RUNNING SURFACES HAVING EACH AN INWARDLY DIRECTED LOWER PORTION AND AN INWARDLY DIRECTED UPPER PORTION AND GUIDE ROLLERS ARRANGED IN PAIRS AND DISPOSED OPPOSITE ONE ANOTHER AND HAVING EACH A RIM SURFACE CORRESPONDING TO ONE SAID RUNNING SURFACE, EACH SAID RIM SURFACE HAVING A PORTION FOR ENGAGEMENT WITH THE LOWER PORTION OF THE CORRESPONDING RUNNING SURFACE AND A PORTION FOR ENGAGEMENT WITH THE UPPER PORTION OF THE RUNNING SURFACE, SAID INWARDLY DIRECTED LOWER PORTION PREVENTING UPWARD MOVEMENT AND SAID INWARDLY DIRECTED UPPER PORTION PREVENTING DOWNWARD MOVEMENT OF SAID ROLLERS AND FRAME MEANS EXTENDING GENERALLY IN A HORIZONTAL PLANE INCLUDING A PIVOT PIN FOR EACH SAID ROLLER EXTENDING IN SAID HORIZONTAL PLANE AND SUPPORTING THE ASSOCIATED ROLLER AT AN ACUTE ANGLE RELATIVE TO SAID HORIZONTAL PLANE.
Claim 2
Dependent Claim
176 words
STEERING MEANS FOR A SELF STEERING VEHICLE OF THE TYPE HAVING GUIDE ROLLERS MOVABLE ALONG A GUIDE RAIL AND RUNNING WHEELS OPERATIVELY LINKED TO SAID GUIDE ROLLERS TO FOLLOW THE COURSE OF THE GUIDE RAIL, SAID MEANS INCLUDING A GUIDE RAIL HAVING A HEAD PORTION PRESENTING A PAIR OF OPPOSITELY DISPOSED RUNNING SURFACES HAVING EACH AN INWARDLY DIRECTED LOWER PORTION AND AN INWARDLY DIRECTED UPPER PORTION AND GUIDE ROLLERS ARRANGED IN PAIRS AND DISPOSED OPPOSITE ONE ANOTHER AND HAVING EACH A RIM SURFACE CORRESPONDING TO ONE SAID RUNNING SURFACE, EACH SAID RIM SURFACE HAVING A PORTION FOR ENGAGEMENT WITH THE LOWER PORTION OF THE CORRESPONDING RUNNING SURFACE AND A PORTION FOR ENGAGEMENT WITH THE UPPER PORTION OF THE RUNNING SURFACE, SAID INWARDLY DIRECTED LOWER PORTION PREVENTING UPWARD MOVEMENT AND SAID INWARDLY DIRECTED UPPER PORTION PREVENTING DOWNWARD MOVEMENT OF SAID ROLLERS AND FRAME MEANS EXTENDING GENERALLY IN A HORIZONTAL PLANE INCLUDING A PIVOT PIN FOR EACH SAID ROLLER EXTENDING IN SAID HORIZONTAL PLANE AND SUPPORTING THE ASSOCIATED ROLLER AT AN ACUTE ANGLE RELATIVE TO SAID HORIZONTAL PLANE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |