Patent US3884344A successfully refreshed from Google Patents.
US3884344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article conveying system
Assignee: Ball Corp
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Filing: 1972-12-20
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Granted: 1975-05-20
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Expires: 1992-12-20
Abstract
Abstract Completely automatic system for handling articles such as metal discs for closures of the two-piece type. Wherein lids are picked up at a first transfer zone sequentially by individual magnets on the lower pass of a second conveyor and moved to a second transfer zone where they are released in groups to form transverse rows on a wide third conveyor belt.
Inventors
- 👤 Robert L Hurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:03
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B21D51/46
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
220 words
Apparatus for moving articles from a predetermined location comprising: a first conveyor extending from said location to a first transfer zone and being provided with an endless loop type belt, the upper pass of which is adapted to carry articles and deliver them to the first transfer zone; a second conveyor extending from the first transfer zone to a second transfer zone and being provided with an endless loop type belt, the lower pass of which is adapted to receive articles at the first transfer zone and deliver them to the second transfer zone; and magnetic pick up means associated with the second conveyor to sequentially raise the articles delivered to the first transfer zone into contact with the belt of the second conveyor and retain them in contact therewith during delivery to the second transfer zone, said magnetic pick up means comprising a body attached to the conveyor belt; a magnet carried by said body and having an outer face; a plunger carried by said body and having an inner free end and an outer end; and a spacer head at the outer end of the plunger normally closely overlying the outer face of the manget and movable away from said face on occasion to push an article out of the field of the Magnet to release the article.
Claim 2
Dependent Claim
220 words
Apparatus for moving articles from a predetermined location comprising: a first conveyor extending from said location to a first transfer zone and being provided with an endless loop type belt, the upper pass of which is adapted to carry articles and deliver them to the first transfer zone; a second conveyor extending from the first transfer zone to a second transfer zone and being provided with an endless loop type belt, the lower pass of which is adapted to receive articles at the first transfer zone and deliver them to the second transfer zone; and magnetic pick up means associated with the second conveyor to sequentially raise the articles delivered to the first transfer zone into contact with the belt of the second conveyor and retain them in contact therewith during delivery to the second transfer zone, said magnetic pick up means comprising a body attached to the conveyor belt; a magnet carried by said body and having an outer face; a plunger carried by said body and having an inner free end and an outer end; and a spacer head at the outer end of the plunger normally closely overlying the outer face of the manget and movable away from said face on occasion to push an article out of the field of the Magnet to release the article.
Claim 3
Dependent Claim
41 words
Apparatus as claimed in claim 1; and movable means on said second conveyor actuatable at predetermined intervals to move into engagement with the free ends of a plurality of said plungers simultaneously to cause the release of a plurality of articles.
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) | 1978-05-19 | 1978-11-18 | 1979-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-19 | 1982-11-18 | 1983-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-19 | 1986-11-18 | 1987-05-20 | $7700.00 | Window Closed / Lapsed |