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US 4,047,350 AGranted
Log product and improvements in machine to prepare logs for log houses
OwnerFinis Lavell Chisuminventor
Life of this patent
Estimating the term…
Abstract
Method and machine and a log product for log house construction includes improvements in apparatus to shape, and finish the logs, divide into halves or quarter sections for tongue-and-groove assembly construction of floors, walls, or ceiling appurtenant to the log house. Equally-spaced holes between the tongues and grooves provide additional functional uses for utility lines or vertical supports as needed.
Claims1
A finished log for log house construction comprising
- an esentially cylindrical log cut to desired length,
- upper and lower parallel flattened surfaces along the longitudinal length of said log,
- two spaced and parallel tongue members extending from one of said surfaces along said longitudinal length,
- two spaced and parallel groove members, reverse images of said tongue members, extending into the other surface along the longitudinal length thereof,
- each end of said log having vertical outward opening grooves perpendicular to said flattened surfaces, said grooves being a first groove nearest the said end and a second groove of dimension less than the width of said first groove, and
- at least one vertical hole extending through said log perpendicular to said flattened surfaces and located between said spaced tongue and grooves.
3 more elements
Dependencies are inferred from the claim text.