|KEY WORD : architecture / general terms|
fasteners. The wooden or bamboo pieces used on the reverse side of the overlapped
boards of a board-and batten ceiling *saobuchi
tenjou 竿縁天井, to prevent the boards from slipping, separating or
warping. The slip fasteners are attached to the overlapped boards by means
of a shallow curved cut, hanejakuri 羽決, that is made on the edge
of one board with the fastener rabbeted to fit across from the curved cut
over the straight edge of the adjacent board.
There are two other common types of inago:
1 hon-inago 本稲子, which has a rectangular cut with slanted sides, positioned precisely on the reverse side of a board in order to receive the slip fastener which slides in from the adjacent board.
2 tsuke-inago 付稲子, which has a rectangular block with a tunnel cut secured to the reverse side of a board. A wedge-shaped slip fastener is then inserted from the adjacent board..
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