US4332505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paver attachment
Assignee: Individual
•
Filing: 1981-02-19
•
Granted: 1982-06-01
•
Expires: 2001-02-19
Abstract
Abstract A unitary flight chain assembly for a paver is illustrated as having mounting structure for removably positioning same upon a support structure carried beneath the hopper of the paver, and removable covers are provided to facilitate lifting the flight chain assembly out of the paver and for replacement thereof.
Inventors
- 👤 Herbert N. Mauldin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:51
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
106 words
A paver having a hopper and means for feeding asphalt and the like rearwardly of the hopper by a flight chain assembly having transverse flight bars between spaced drive chains comprising: a unitary frame carrying said flight chain; a pair of longitudinally spaced shafts carried adjacent end portions of said frame; a sprocket carried by each end of said shafts engaging said spaced drive chains for carrying said flight chain; means removably positioning said frame and the flight chain carried thereby within the hopper; removable covers carried by said hopper partially overlying said flight chain on each side thereof; and means for driving said flight chain.
Claim 2
Dependent Claim
106 words
A paver having a hopper and means for feeding asphalt and the like rearwardly of the hopper by a flight chain assembly having transverse flight bars between spaced drive chains comprising: a unitary frame carrying said flight chain; a pair of longitudinally spaced shafts carried adjacent end portions of said frame; a sprocket carried by each end of said shafts engaging said spaced drive chains for carrying said flight chain; means removably positioning said frame and the flight chain carried thereby within the hopper; removable covers carried by said hopper partially overlying said flight chain on each side thereof; and means for driving said flight chain.
Claim 3
Dependent Claim
15 words
The structure set forth in claim 1 including resilient means yieldably tensioning said flight chain.
References Cited (Backward Citations)
US710611A
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US3292804A
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US3473679A
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US3540359A
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US3967912A
Cited
US3997277A
Cited
US4253612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-31 | 1985-11-30 | 1986-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-31 | 1989-11-30 | 1990-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-31 | 1993-11-30 | 1994-06-01 | $7700.00 | Window Closed / Lapsed |