B - Operations – Transporting – 27 – M
Patent
B - Operations, Transporting
27
M
144/61
B27M 3/00 (2006.01) B27C 3/04 (2006.01) B27C 3/06 (2006.01) B27C 9/04 (2006.01) B27F 1/02 (2006.01) E04B 2/70 (2006.01)
Patent
CA 1264644
ABSTRACT OF THE DISCLOSURE Log joints and a machine for cutting and drilling logs to provide log joints is disclosed herein. In a tongue and groove log joint a seal seating channel is formed in the base of the longitudinal groove and a resiliently flexible seal is seated in the seal seating channel. A slot may also be cut in the base to accommodate a reinforcing metal rod. In a but joint in which a second log underlies the butting logs a seat is formed in the edge of the second log in alignment with the locking slots of the but joint to receive an end of the locking Pin. The seat cooperates with the end of the locking pin to lock the locking pin against longitudinal movement with respect to the second log. In a small construction in which adjoining walls are made from logs and wherein the ends of the logs of the adjoining walls are connected by an overlapping tenon joint a structure for sealing the first and second vertically extending interfaces between the side faces of each tenon and the end face of the log of the other wall which it faces is provided. The structure includes a first pair of elongated tubular cavities arranged one on each side of the first interface and a second pair of elongated tubular cavities arranged one on each side of the second interface. The cavities of each pair open into one another along their respective interfaces and increase in cross sectional area in a direction away from their respective interfaces. A tie member is provided for each pair of
574152
Fetherstonhaugh & Co.
Wrightman Ronald A.
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