Mortise and tenon joinery of log members
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United States of America Patent
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Sep 11, 2012
Grant Date -
Nov 11, 2010
app pub date -
May 4, 2010
filing date -
May 5, 2009
priority date (Note) -
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Abstract
A method of joining a plurality of elongate log members using mortise and tenon joinery includes the step of forming mortise sockets in the log members at a controllable depth relative to a longitudinal central axis of the log members. Log members having tenons formed thereon for connection between two mortise bearing log members can thus be standardized and interchangeable with one another even when an outer surface of the log members is irregular in profile. A device for forming mortise sockets and tenons on log members in a reproducible manner includes a pair of work holders which define a longitudinal axis of the log member. A mortise cutter and a tenon cutter are supported for movement relative to the work holders for controllably forming the mortise sockets and tenons in a log member relative to the longitudinal central axis of the log member.
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