Patent US3820431A successfully refreshed from Google Patents.
US3820431A
Expired / Lapsed
US
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Conveyor having thrust means movable in a serie of discrete strokes and provided with an aboutment for engaging the rear end of an articleto be fed to a predetermined position on the conveyor
Assignee: Individual
•
Filing: 1972-04-03
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Granted: 1974-06-28
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Expires: 1992-04-03
Abstract
Abstract A conveyor for use in conveying articles provided with thrust means movable in a series of discrete strokes, with the thrust means having an abutment at one end for engaging the rear end of an article which is to be conveyed and means for applying a force to such an article whereby the rear end of said article will be brought and/or maintained in engagement with said abutment after said thrust means has completed each feeding stroke.
Inventors
- 👤 C Peddinghaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:26
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/28; B21D43/285; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4564; Y10T83/4567; Y10T83/4597; Y10T83/4599; Y10T83/463; Y10T83/4635; Y10T83/647; Y10T83/6579
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
105 words
A conveyor for use in conveying articles, said conveyor including a track having rollers, thrust means movable in a series of discrete strokes, said thrust means having an abutment for engaging the rear end of an article which is to be fed to a predetermined position on the conveyor, and means for driving at least some of the rollers of the track in either direction of rotation at a speed relative to the speed of the thrust means thereby ensuring that the rear end of the article is maintained in engagement with the abutment of the thrust means during a stroke of the thrust means.
Claim 2
Dependent Claim
105 words
A conveyor for use in conveying articles, said conveyor including a track having rollers, thrust means movable in a series of discrete strokes, said thrust means having an abutment for engaging the rear end of an article which is to be fed to a predetermined position on the conveyor, and means for driving at least some of the rollers of the track in either direction of rotation at a speed relative to the speed of the thrust means thereby ensuring that the rear end of the article is maintained in engagement with the abutment of the thrust means during a stroke of the thrust means.
Claim 3
Dependent Claim
123 words
A conveyor for use in conveying articles, said conveyor including a track having rollers, thrust means movable in a series of discrete strokes, said thrust means having an abutment for engaging the rear end of an article which is to be fed to a predetermined position on the conveyor, and means for applying a force to an article being fed whereby the rear end of said article will be maintained in engagement with said abutment after said thrust means has completed a feeding stroke, said force applying means comprising means for driving at least some of the rollers in a direction of rotation such that the upper surfaces of said driven rollers will travel in a direction opposed to the direction of feed.
Claim 4
Dependent Claim
123 words
A conveyor for use in conveying articles, said conveyor including a track having rollers, thrust means movable in a series of discrete strokes, said thrust means having an abutment for engaging the rear end of an article which is to be fed to a predetermined position on the conveyor, and means for applying a force to an article being fed whereby the rear end of said article will be maintained in engagement with said abutment after said thrust means has completed a feeding stroke, said force applying means comprising means for driving at least some of the rollers in a direction of rotation such that the upper surfaces of said driven rollers will travel in a direction opposed to the direction of feed.
Claim 5
Dependent Claim
33 words
The conveyor as claimed in claim 2 wherein there is also provided a shearing device and wherein said driven rollers are disposed between said shearing device and said abutment of the thrust means.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |