Patent US3266618A successfully refreshed from Google Patents.
US3266618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor for decelerating traveling products
Assignee: United States Steel Corp
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Filing: 1965-03-08
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Granted: 1966-08-16
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Alvin F Hundertmark
- 👤 James R Lamberton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:20
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/05; B23Q7/055; B21; B21B; B21B43/00; B21B43/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A CONVEYOR FOR ELONGATED WORKPIECES OF CIRCULAR SECTION DELIVERED AXIALLY ALONG A PREDETERMINED PATH COMPRISING A PLURALITY OF GENERALLY HORIZONTAL CONVEYOR ROLLS SPACED ALONG ONE SIDE OF SAID PATH AND HAVING THEIR AXES EXTENDING LATERALLY THEREOF, MEANS MOVING SAID WORKPIECES LATERALLY FROM SAID PATH AND ALONG SAID ROLLS, MEANS DRIVING SAID ROLLS AT A SPEED SUCH THAT THE SURFACES THEREOF IMMEDIATELY ADJACENT SAID PATH HAVE SUBSTANTIALLY THE SAME SPEED AS A WORKPIECE, SAID ROLLS HAVING A CONCAVE SURFACE OF REVOLUTION, THE RADII OF WHICH DECREASE WITH THE DISTANCE ALONG SAID AXES FROM SAID PATH, WHEREBY A WORKPIECE TRAVELING OVER SAID ROLLS CONTINUOUSLY MAINTAINS STATIC FRICTION THEREWITH AND IS DECELERATED LONGITUDINALLY BY A STATIC FRICTIONAL FORCE, THE CONTOUR OF SAID SURFACE BEING EXPRESSED BY AN EQUATION, WHERE
Claim 2
Dependent Claim
126 words
A CONVEYOR FOR ELONGATED WORKPIECES OF CIRCULAR SECTION DELIVERED AXIALLY ALONG A PREDETERMINED PATH COMPRISING A PLURALITY OF GENERALLY HORIZONTAL CONVEYOR ROLLS SPACED ALONG ONE SIDE OF SAID PATH AND HAVING THEIR AXES EXTENDING LATERALLY THEREOF, MEANS MOVING SAID WORKPIECES LATERALLY FROM SAID PATH AND ALONG SAID ROLLS, MEANS DRIVING SAID ROLLS AT A SPEED SUCH THAT THE SURFACES THEREOF IMMEDIATELY ADJACENT SAID PATH HAVE SUBSTANTIALLY THE SAME SPEED AS A WORKPIECE, SAID ROLLS HAVING A CONCAVE SURFACE OF REVOLUTION, THE RADII OF WHICH DECREASE WITH THE DISTANCE ALONG SAID AXES FROM SAID PATH, WHEREBY A WORKPIECE TRAVELING OVER SAID ROLLS CONTINUOUSLY MAINTAINS STATIC FRICTION THEREWITH AND IS DECELERATED LONGITUDINALLY BY A STATIC FRICTIONAL FORCE, THE CONTOUR OF SAID SURFACE BEING EXPRESSED BY AN EQUATION, WHERE
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |