US3581892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for sorting pieces of timber, such as logs, on the timber receiving table
Assignee: Individual
•
Filing: 1969-05-09
•
Granted: 1971-06-01
•
Expires: 1989-05-09
Abstract
Abstract A device is provided for sorting timber on a timber receiving table upon which the timber bundle is placed. The device consists of a carriage reciprocally movable in the direction of travel of the timber above the table and having downwardly directed arms which can be extended into the path of the timber for the purpose of grouping and shifting the pieces of timber, and which can be moved out of the path of the timber for the purpose of permitting free movement of the timber.
Inventors
- 👤 Erkki Aro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:47
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/12; B07C5/14; Y; Y10; Y10S; Y10S209/00; Y10S209/941
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
133 words
A device for sorting timber comprising a timber receiving table upon which timber is placed and advanced, a carriage reciprocally movable in the direction of travel of the timber above the table, downwardly directed arms pivotally mounted on said carriage and operator controlled so as to be selectively extendable into the path of the timber for stopping the advance of the pieces of timber, and movable out of the path of the timber for the purpose of permitting free advance movement of the timber so that selected timber can be advanced in groups, said arms being arranged in a transverse row relative to the direction of travel of the timber, and being turnable in a plane parallel to the direction of travel of the timber, said arms being movable independently of each other.
Claim 2
Independent Claim
133 words
A device for sorting timber comprising a timber receiving table upon which timber is placed and advanced, a carriage reciprocally movable in the direction of travel of the timber above the table, downwardly directed arms pivotally mounted on said carriage and operator controlled so as to be selectively extendable into the path of the timber for stopping the advance of the pieces of timber, and movable out of the path of the timber for the purpose of permitting free advance movement of the timber so that selected timber can be advanced in groups, said arms being arranged in a transverse row relative to the direction of travel of the timber, and being turnable in a plane parallel to the direction of travel of the timber, said arms being movable independently of each other.
Claim 3
Dependent Claim
56 words
A device as claimed in claim 1, comprising conveyor means for receiving the timber from said receiving table in groups as selected by said arms, a plurality of conveyors for receiving timber from said conveyor means, and operator controlled selector means for guiding the groups of timber selected by the arms into respective of said conveyors.
Claim 4
Dependent Claim
14 words
A device as claimed in claim 1, wherein said arms have an angular shape.
Claim 5
Dependent Claim
27 words
A device as claimed in claim 1, wherein said carriage is movable on said track independently of the advance of the timber on said timber receiving table.
Claim 6
Dependent Claim
27 words
A device as claimed in claim 4, wherein said arms are movable on said carriage independently of the advance of the timber on said timber receiving table.
References Cited (Backward Citations)
US2358283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |