US4291492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tree slashing apparatus
Assignee: SCM Glidco Organics Corp
•
Filing: 1979-11-19
•
Granted: 1981-09-29
•
Expires: 1999-11-19
Abstract
Abstract An apparatus for a wheeled vehicle for slashing pine trees to enhance the production by natural means of terpenoid materials, and comprising a tree slashing device pivotally mounted at the end of an arm extending from the vehicle, and irritant applicator also carried on said tree slashing device for applying an irritant material to the freshly slashed wound in the stem of the tree.
Inventors
- 👤 Ellis W. Reynolds
- 👤 Edward R. Joyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:42
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
215 words
A tree slashing and treating apparatus carried by a wheeled vehicle and adapted to move continuously between parallel rows of trees and comprising a pair of oppositely laterally extending telescoping arms secured at their respective proximal extremities to said vehicle, means coacting with each of said telescoping arms for extending and retracting said arms, each of said arms having pivotally secured at its distal extremity chain saw tree slashing means for slashing a tree to remove a strip of bark and exposed an under bark portion of the tree, said chain saw means including an endless saw chain and spaced sprockets mounted respectively on vertical shafts and disposed for movement of the chain around said sprockets in a horizontal plane, means coacting between each of said arms and the respective chain saw means pivotally mounted thereon for restoring said chain saw means from a tree-deflected position to a normal tree-intercepting position after said vehicle has passed a deflecting tree, actuator means and liquid delivery means, respectively carried by each said chain saw tree slashing means said actuator means being vertically displaced from said tree slashing means and adapted to contact the trunk of the tree for causing a liquid treating agent to be applied through said liquid delivery means to said exposed under bark portion.
Claim 2
Dependent Claim
215 words
A tree slashing and treating apparatus carried by a wheeled vehicle and adapted to move continuously between parallel rows of trees and comprising a pair of oppositely laterally extending telescoping arms secured at their respective proximal extremities to said vehicle, means coacting with each of said telescoping arms for extending and retracting said arms, each of said arms having pivotally secured at its distal extremity chain saw tree slashing means for slashing a tree to remove a strip of bark and exposed an under bark portion of the tree, said chain saw means including an endless saw chain and spaced sprockets mounted respectively on vertical shafts and disposed for movement of the chain around said sprockets in a horizontal plane, means coacting between each of said arms and the respective chain saw means pivotally mounted thereon for restoring said chain saw means from a tree-deflected position to a normal tree-intercepting position after said vehicle has passed a deflecting tree, actuator means and liquid delivery means, respectively carried by each said chain saw tree slashing means said actuator means being vertically displaced from said tree slashing means and adapted to contact the trunk of the tree for causing a liquid treating agent to be applied through said liquid delivery means to said exposed under bark portion.
Claim 3
Dependent Claim
21 words
A tree slashing and treating apparatus as defined in claim 1 wherein said chain is carried in a chain guide bar.
Claim 4
Dependent Claim
23 words
A tree slashing and treating apparatus as defined in claim 1 wherein said tree slashing means includes means for driving said movable chain.
Claim 5
Dependent Claim
19 words
A tree slashing and treating apparatus as defined in claim 3 wherein said driving means is a hydraulic motor.
Claim 6
Dependent Claim
60 words
A tree slashing and treating apparatus as defined in claim 1 wherein said liquid delivery means includes a supply line, a treating agent supply, and a valve in said supply line to control the movement of treating agent therethrough, and means responsive to contact with a tree for actuating said valve from a normally closed position to an open position.
Claim 7
Dependent Claim
61 words
A tree slashing and treating apparatus as defined in claim 5 wherein the tree contacting means is a wheel fixedly mounted on a cam, a cam follower coacting between said cam and said valve, said cam being freely rotatable about the outermost sprocket shaft, and yieldable means for returning said cam to position said wheel in a tree trunk intercepting position.
References Cited (Backward Citations)
US2032688A
Cited
US2725674A
Cited
US3565143A
Cited
SU478588A1
Cited
US3879888A
Cited
US3959925A
Cited
US4063359A
Cited
US4090328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-28 | 1985-03-30 | 1985-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-28 | 1989-03-30 | 1989-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-28 | 1993-03-30 | 1993-09-29 | $7700.00 | Window Closed / Lapsed |