US3197022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor
Assignee: Hart Carter Co
•
Filing: 1963-07-26
•
Granted: 1965-07-27
•
Expires: 1983-07-26
Abstract
No abstract record available.
Inventors
- 👤 Earl L Scheidenhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:15
CPC Classifications
A; A01; A01D; A01D33/00; A01D33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CONVEYOR COMPRISING: A RIGID RECTANGULAR FRAMEWORK; A PAIR OF IDENTICAL ENDLESS CHAINS MOUNTED ON COAXIAL PAIRS OF SPROCKETS LOCATED RESPECTIVELY AT EACH SIDE AND AT EACH LONGITUDINAL END OF SAID FRAMEWORK, THE CHAINS BEING EXTENDED IN ALIGNED UPPER AND LOWER LONGITUDINAL FLIGHTS; A PLURALITY OF BARS FIXED ACROSS SAID CHAINS IN LONGITUDINALLY SPACED POSITION ORIENTED PERPENDICULARLY RELATIVE TO SAID CHAINS; A PLURALITY OF SPACED PARALLEL RODS MOUNTED IN LONGITUDINAL POSITIONS ON SAID FRAMEWORK DIRECTLY ADJACENT THE UPPER SURFACE OF SAID BARS ALONG THE UPPER CHAIN FLIGHTS; ARTICLE ENGAGING MEANS MOUNTED ON THE INDIVIDUAL BARS, SAID ARTICLE ENGAGING MEANS PROTRUDING OUTWARDLY FROM SAID BARS BEYOND SAID RODS ALONG THE UPPER LONGITUDINAL FLIGHTS OF SAID CHAINS; AND DRIVE MEANS OPERATIVELY CONNECTED TO SAID SPROCKETS TO DRIVE SAID CHAINS IN UNISON.
Claim 2
Dependent Claim
129 words
A CONVEYOR COMPRISING: A RIGID RECTANGULAR FRAMEWORK; A PAIR OF IDENTICAL ENDLESS CHAINS MOUNTED ON COAXIAL PAIRS OF SPROCKETS LOCATED RESPECTIVELY AT EACH SIDE AND AT EACH LONGITUDINAL END OF SAID FRAMEWORK, THE CHAINS BEING EXTENDED IN ALIGNED UPPER AND LOWER LONGITUDINAL FLIGHTS; A PLURALITY OF BARS FIXED ACROSS SAID CHAINS IN LONGITUDINALLY SPACED POSITION ORIENTED PERPENDICULARLY RELATIVE TO SAID CHAINS; A PLURALITY OF SPACED PARALLEL RODS MOUNTED IN LONGITUDINAL POSITIONS ON SAID FRAMEWORK DIRECTLY ADJACENT THE UPPER SURFACE OF SAID BARS ALONG THE UPPER CHAIN FLIGHTS; ARTICLE ENGAGING MEANS MOUNTED ON THE INDIVIDUAL BARS, SAID ARTICLE ENGAGING MEANS PROTRUDING OUTWARDLY FROM SAID BARS BEYOND SAID RODS ALONG THE UPPER LONGITUDINAL FLIGHTS OF SAID CHAINS; AND DRIVE MEANS OPERATIVELY CONNECTED TO SAID SPROCKETS TO DRIVE SAID CHAINS IN UNISON.
References Cited (Backward Citations)
US2086878A
Cited
US2778474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |