sao 竿
KEY WORD : architecture / general terms
Lit. a pole or rod. Aiso written 棹.

1 A lapped rod joint. The stacked tenon *juuhozo 重ほぞ is constructed with a long rod-shaped neck extending from a shallow lap or bench *koshikake 腰掛. This tenon is cut from the end of a beam. The stacked tenon is inserted into a mortise *hozoana ほぞ穴 on another beam shaped to receive it. Keys *shachi 車知 are often added to strengthen the joint. See *saobiki dokko 竿引独鈷, *shakuzue 尺杖, *saobuchi tenjou 竿縁天井, *saoshachitsugi 竿車知継.

2 A straight structural member, such as the ridge, saomune 竿棟, used in a vernacular dwelling *minka 民家, especially in Saga prefecture.

3 The shaft of a stone lantern ishidourou 石灯籠. The sao is set on a base and supports all the upper parts of the lantern including the fire box. See *tourou 灯籠.


(C)2001 Japanese Architecture and Art Net Users System. No reproduction or republication without written permission.