US3651845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for converting trees into wood chips
Assignee: Individual
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Filing: 1970-05-25
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Granted: 1972-03-28
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Expires: 1990-05-25
Abstract
Abstract The method and apparatus for converting small trees into wood chips suitable for use in the pulp wood industry comprising combining a tree felling mechanism and a chipper mechanism in a single vehicle. The chipper mechanism consists of a rotatable toothed member movable into engagement with a tree so as to sever the tree and a tree gripping and feeding mechanism disposed above the chipper mechanism operates to continuously feed the felled tree downwardly into the chipper mechanism where the tree is converted into wood chips. A conveyor assembly associated with the chipper mechanism moves the chips into a receptacle on the vehicle.
Inventors
- 👤 Robert L Propst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:43
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/08; A01G23/093; B; B27; B27L; B27L11/00; B27L11/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
133 words
Apparatus for converting a standing tree into wood chips comprising a forwardly movable vehicle, a toothed member rotatably mounted in a fixed position on the forward end of said vehicle for rotation about a substantially horizontal axis, said toothed member being engageable with a standing tree adjacent the base thereof for severing said tree, said toothed member being operable on engagement with said tree to convert said tree into wood chips, housing means on said vehicle disposed rearwardly of and partially enclosing said toothed member for receiving wood chips therefrom, and means on the forward end of said vehicle disposed above said toothed member for gripping said severed tree and feeding said tree downwardly into engagement with said toothed member for operation of said toothed member to convert said tree into wood chips.
Claim 2
Dependent Claim
133 words
Apparatus for converting a standing tree into wood chips comprising a forwardly movable vehicle, a toothed member rotatably mounted in a fixed position on the forward end of said vehicle for rotation about a substantially horizontal axis, said toothed member being engageable with a standing tree adjacent the base thereof for severing said tree, said toothed member being operable on engagement with said tree to convert said tree into wood chips, housing means on said vehicle disposed rearwardly of and partially enclosing said toothed member for receiving wood chips therefrom, and means on the forward end of said vehicle disposed above said toothed member for gripping said severed tree and feeding said tree downwardly into engagement with said toothed member for operation of said toothed member to convert said tree into wood chips.
Claim 3
Dependent Claim
58 words
Apparatus according to claim 1 further including receptacle means on said vehicle, conveyor means extending between said housing means and said receptacle means for moving said wood chips from said housing means to said receptacle means, and rotatable impeller means in said housing means rearwardly of said toothed member for moving wood chips therein into said conveyor means.
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) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |