Patent US3659710A successfully refreshed from Google Patents.
US3659710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article extracting device
Assignee: Individual
•
Filing: 1970-08-06
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Granted: 1972-05-02
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Expires: 1990-08-06
Abstract
Abstract An apparatus for extracting defective articles from a row of articles moving on a conveyor. The apparatus includes a vibrating plate which transfers the articles from the conveyor to a trap door. When the trap door is open the articles are allowed to drop therethrough. When the trap door is closed the articles move thereover to a receiving station. Divider plates are provided for maintaining the articles in rows.
Inventors
- 👤 Joseph Tice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:58
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/12; B07C5/122; Y; Y10; Y10S; Y10S209/00; Y10S209/92; Y10S209/942
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
199 words
An apparatus for extracting articles from a plurality of rows of articles carried on a moving conveyor comprising: a plurality of pairs of elongated divider plates carried over said conveyor for maintaining said articles in rows on said moving conveyor, means for supporting said divider plates to shift laterally with each row of articles on said conveyor as said rows of articles are moved along said conveyor, trap doors carried adjacent an end of said conveyor between each pair of elongated divider plates in the path of each row of articles, a receiving station positioned on an opposite side of said trap doors from said conveyor, an elongated vibrating plate carried adjacent an end of said conveyor between said conveyor and said trap doors for receiving said rows of articles from said conveyors and transferring said articles to said trap doors, and means for opening said trap doors for allowing said articles moving across said vibrating plate to drop through said trap doors for removing predetermined articles from said rows of articles, whereby when said trap doors are closed said articles are pushed over said trap door to said receiving station by succeeding articles moving across said vibrating plate.
Claim 2
Independent Claim
199 words
An apparatus for extracting articles from a plurality of rows of articles carried on a moving conveyor comprising: a plurality of pairs of elongated divider plates carried over said conveyor for maintaining said articles in rows on said moving conveyor, means for supporting said divider plates to shift laterally with each row of articles on said conveyor as said rows of articles are moved along said conveyor, trap doors carried adjacent an end of said conveyor between each pair of elongated divider plates in the path of each row of articles, a receiving station positioned on an opposite side of said trap doors from said conveyor, an elongated vibrating plate carried adjacent an end of said conveyor between said conveyor and said trap doors for receiving said rows of articles from said conveyors and transferring said articles to said trap doors, and means for opening said trap doors for allowing said articles moving across said vibrating plate to drop through said trap doors for removing predetermined articles from said rows of articles, whereby when said trap doors are closed said articles are pushed over said trap door to said receiving station by succeeding articles moving across said vibrating plate.
Claim 3
Dependent Claim
54 words
The apparatus as set forth in claim 1, wherein gates are carried between said trap doors and said receiving station, and meanS for closing said gates for preventing said articles from being transferred to said receiving station and for aiding in directing said articles through said trap doors when said trap doors are open.
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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |