US4681501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article transfer apparatus
Assignee: Individual
•
Filing: 1986-08-28
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Granted: 1987-07-21
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Expires: 2006-08-28
Abstract
Abstract The present invention provides an apparatus for transferring articles, preferably extruded aluminium sections from a first station to a second station, comprising a conveyor for receiving such articles from the first station, the conveyor being extendible and retractable in the direction of conveyance and being movable, from a first position to a second position, the second position being above the location of the second station. Displacement of the conveyor is effected by an air cylinder arrangement and displacement the conveyor is effected by an appropriate motor.
Inventors
- 👤 Samuel H. Edwards
- 👤 James A. Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:50
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/16; B65G57/18; B65G21/00; B65G21/10; B65G21/14; B65G57/09; B65G57/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
258 words
An apparatus for transferring articles from a first station having a roller conveyor to a second station comprising: a plurality of first conveyors located between the rollers of said roller conveyor of said first station; a plurality of second conveyors that can move from a first position wherein said plurality of second conveyors can receive articles to be transferred from said plurality of first conveyors to a second position located above said second station, said second station containing an item into which said articles can be stacked, each of said plurality of second conveyors being associated with motor means; and a plurality of pairs of support members, each pair of support members, in use, having a spacer supported therebetween, said support members, in use, being moved upwardly so that the spacer associated therewith comes into contact with said articles, and in which, once said articles have lifted above the level of said plurality of second conveyors, said plurality of second conveyors are moved in the reverse direction to their original position, said support members thereafter being moved downwardly so that said spacer and articles move downwardly therewith, whereby, when said spacer contacts said item or a layer of articles already stacked, movement of said support members is stopped, said support members then moving downwardly thereafter so that the spacer associated therewith becomes disengaged therefrom and said articles are correctly stacked, said support members thereafter being moved upwardly and inwardly to their original position for the next set of articles to be supplied from said plurality of second conveyors.
Claim 2
Independent Claim
258 words
An apparatus for transferring articles from a first station having a roller conveyor to a second station comprising: a plurality of first conveyors located between the rollers of said roller conveyor of said first station; a plurality of second conveyors that can move from a first position wherein said plurality of second conveyors can receive articles to be transferred from said plurality of first conveyors to a second position located above said second station, said second station containing an item into which said articles can be stacked, each of said plurality of second conveyors being associated with motor means; and a plurality of pairs of support members, each pair of support members, in use, having a spacer supported therebetween, said support members, in use, being moved upwardly so that the spacer associated therewith comes into contact with said articles, and in which, once said articles have lifted above the level of said plurality of second conveyors, said plurality of second conveyors are moved in the reverse direction to their original position, said support members thereafter being moved downwardly so that said spacer and articles move downwardly therewith, whereby, when said spacer contacts said item or a layer of articles already stacked, movement of said support members is stopped, said support members then moving downwardly thereafter so that the spacer associated therewith becomes disengaged therefrom and said articles are correctly stacked, said support members thereafter being moved upwardly and inwardly to their original position for the next set of articles to be supplied from said plurality of second conveyors.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-07-20 | 1991-01-19 | 1991-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-07-20 | 1995-01-19 | 1995-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-07-20 | 1999-01-19 | 1999-07-21 | $7700.00 | Window Closed / Lapsed |