Patent US3756377A successfully refreshed from Google Patents.
US3756377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous belt elevator
Assignee: Individual
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Filing: 1971-12-28
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Granted: 1973-09-04
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Expires: 1991-12-28
Abstract
Abstract A novel, mobile, continuously operable abrasive surface cleaning apparatus utilizing a rotating brush for abrasive recovery is disclosed. Also, a novel continuous belt elevator or conveyor for recirculating the recovered abrasive is disclosed.
Inventors
- 👤 J Goff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:42
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/02; B24C3/06; B24C3/065; B24C3/067; B24C9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
268 words
A continuous belt elevator for particulate matter comprising in combination: an outer housing; a continuous flexible belt within said outer housing; a drive means to drive the continuous flexible belt and maintain the continuous flexible belt in a four-sided shape providing a lower horizontal switching an elevator flight, an upper horizontal flight, and a descending return flight; a storage hopper beneath the upper horizontal flight; a collection bin within said outer housing and below the lower horizontal flight; and a plurality of bucket means attached to said continuous flexible belt such that said bucket means are below the continuous flexible belt in the lower horizontal flight and adapted to pick-up particulate matter in the collection bin and are above the continuous flexible belt in the upper horizontal flight and adapted to deliver particulate matter to the storage hopper, wherein said bucket means are not in contact with the outer housing during operation, said bucket means being comprised of an outside enclosure defining an opening adapted to receive the particulate matter in the lower horizontal flight and deliver the particulate matter in the upper horizontal flight and having a portion immediately adjacent to the continuous flexible belt and a portion away from the continuous flexible belt, a bottom on said enclosure opposite said opening, and a fixed member within said enclosure extending from the bottom intermediate the portion adjacent to and the portion away from the continuous flexible belt to the portion adjacent to the continuous flexible belt at the opening such that said member directs the particulate matter in to the storage hopper in the upper horizontal flight.
Claim 2
Dependent Claim
268 words
A continuous belt elevator for particulate matter comprising in combination: an outer housing; a continuous flexible belt within said outer housing; a drive means to drive the continuous flexible belt and maintain the continuous flexible belt in a four-sided shape providing a lower horizontal switching an elevator flight, an upper horizontal flight, and a descending return flight; a storage hopper beneath the upper horizontal flight; a collection bin within said outer housing and below the lower horizontal flight; and a plurality of bucket means attached to said continuous flexible belt such that said bucket means are below the continuous flexible belt in the lower horizontal flight and adapted to pick-up particulate matter in the collection bin and are above the continuous flexible belt in the upper horizontal flight and adapted to deliver particulate matter to the storage hopper, wherein said bucket means are not in contact with the outer housing during operation, said bucket means being comprised of an outside enclosure defining an opening adapted to receive the particulate matter in the lower horizontal flight and deliver the particulate matter in the upper horizontal flight and having a portion immediately adjacent to the continuous flexible belt and a portion away from the continuous flexible belt, a bottom on said enclosure opposite said opening, and a fixed member within said enclosure extending from the bottom intermediate the portion adjacent to and the portion away from the continuous flexible belt to the portion adjacent to the continuous flexible belt at the opening such that said member directs the particulate matter in to the storage hopper in the upper horizontal flight.
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) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |