Patent US4453874A successfully refreshed from Google Patents.
US4453874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article-handling apparatus
Assignee: Internationale Octrooi Maatschappij Octropa BV
•
Filing: 1982-12-22
•
Granted: 1984-06-12
•
Expires: 2002-12-22
Abstract
Abstract An apparatus for removing articles such as boxes from pallets and for placing articles on pallets too, comprising a frame, a mainly horizontal supporting surface, a plurality of parallel supporting fingers which are longitudinally slidably supported in said frame and yieldably biased in their extended position. The fingers are each provided with a driven roller at their extending extremity. The supporting surface is formed by a plurality of parallel conveyor belts extending parallel to the fingers.
Inventors
- 👤 Harmen Veldhuizen
- 👤 Hendrik Streefkerk
- 👤 Gerhard Van Der Tas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:22
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/11; B65G59/00; B65G59/02; B65G59/023
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
70 words
An apparatus for handling articles comprising a frame, a mainly horizontal supporting surface, a plurality of parallel supporting fingers which are longitudinally slidably supported in said frame under the supporting surface and yieldably biased in their extended position, each being provided with a driven pick-up roller at their extending extremity, while the supporting surface is formed by a plurality of parallel conveyor belts extending parallel to and between the fingers.
Claim 2
Independent Claim
70 words
An apparatus for handling articles comprising a frame, a mainly horizontal supporting surface, a plurality of parallel supporting fingers which are longitudinally slidably supported in said frame under the supporting surface and yieldably biased in their extended position, each being provided with a driven pick-up roller at their extending extremity, while the supporting surface is formed by a plurality of parallel conveyor belts extending parallel to and between the fingers.
Claim 3
Dependent Claim
31 words
The apparatus of claim 1, characterized in that the conveyor belts are slipping on one side and relatively non-slipping on the other, the slipping side facing a surface supporting the belts.
Claim 4
Dependent Claim
24 words
The apparatus of claim 1, characterized in that the rollers are driven by toothed belts, each toothed belt being arranged between two conveyor belts.
Claim 5
Dependent Claim
22 words
The apparatus of claim 3, characterized in that the conveyor belts and the toothed belts are driven by a common driving roll.
Claim 6
Dependent Claim
83 words
The apparatus of claim 3, characterized in that a driving means for the toothed belts is arranged above the fingers, near to the rear ends thereof, the toothed belts are guided around the pick-up rollers at one end of the fingers, return rollers at the other end of the fingers and two guide rollers arranged between the pick-up and the return rollers, the lowermost generatricesof the guide rollers and the uppermost ones of the pick-up and the return rollers lying in one plane.
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) | 1987-06-12 | 1987-12-12 | 1988-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-12 | 1991-12-12 | 1992-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-12 | 1995-12-12 | 1996-06-12 | $7700.00 | Window Closed / Lapsed |