US4173237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firewood systems
Assignee: Lafont Corp
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Filing: 1977-08-04
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Granted: 1979-11-06
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Expires: 1997-08-04
Abstract
Abstract An apparatus for converting a log into firewood including a remotely controlled log carrier bed, a log cutter and a log splitter and log conveying systems that allow the log to be converted into firewood in one continuous operation.
Inventors
- 👤 Leo L. Heikkinen
- 👤 Charles L. Lundborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:20
CPC Classifications
B; B27; B27L; B27L7/00; B27M; B27M1/00; B27M1/08
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
161 words
An apparatus for converting a log into firewood comprising: a log deck for receiving and holding a plurality of logs to be cut into firewood; means for removing a log from the plurality of logs held on the log deck and delivering the log from said log deck to a log feeder; said log feeder having means for grasping and securely holding a log delivered from said log deck at one end thereof; said means for grasping and securely holding a log including a first log support member and a second log support member that coact to sandwich a log between said first log support member and said second log support member; means for cutting the log into fireplace wood when said log is held by said log feeder, means for receiving the log cut into firewood and diverting the cut logs to a splitting mechanism; and a splitting mechanism for receiving the cut log and for splitting the cut logs.
Claim 2
Independent Claim
161 words
An apparatus for converting a log into firewood comprising: a log deck for receiving and holding a plurality of logs to be cut into firewood; means for removing a log from the plurality of logs held on the log deck and delivering the log from said log deck to a log feeder; said log feeder having means for grasping and securely holding a log delivered from said log deck at one end thereof; said means for grasping and securely holding a log including a first log support member and a second log support member that coact to sandwich a log between said first log support member and said second log support member; means for cutting the log into fireplace wood when said log is held by said log feeder, means for receiving the log cut into firewood and diverting the cut logs to a splitting mechanism; and a splitting mechanism for receiving the cut log and for splitting the cut logs.
Claim 3
Dependent Claim
28 words
The invention of claim 1 wherein said means for delivery of the log includes rotatable arms for receiving a log and placing a log in said log feeder.
Claim 4
Dependent Claim
20 words
The invention of claim 1 wherein said log feeder includes means for intermittently stopping the advancement of said log feeder.
Claim 5
Dependent Claim
16 words
The invention of claim 1 wherein said means for cutting a log comprise a chain saw.
Claim 6
Dependent Claim
30 words
The invention of claim 1 wherein said apparatus includes a plate located adjacent said means for cutting the log into fireplace wood to direct a cut log into an elevator.
Claim 7
Dependent Claim
20 words
The invention of claim 1 wherein said apparatus includes an elevator for transporting a cut log to the splitting mechanism.
Claim 8
Dependent Claim
17 words
The invention of claim 1 wherein said apparatus includes means for selecting cut logs to be split.
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) | 1982-11-05 | 1983-05-07 | 1983-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-05 | 1987-05-07 | 1987-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-05 | 1991-05-07 | 1991-11-06 | $7700.00 | Window Closed / Lapsed |