tome 留

Keywords
Architecture
General Terms

A simple miter. The timbers are cut obliquely, usually at 45 degrees, or any other angle as long as the two adjoining timbers share the angle equally. Because a simple mitered corner joint lacks strength, various types of mortises and tenons *hozoana ほぞ穴, *hozo ほぞ are used to increase durability and prevent separation of the parts.

There are several common variations: 1) Handome 半留 (a half mitered joint). Often called a shoulder miter. 2) *Eriwadome 襟輪留 (collar miter). A dado and rabbeted right angle joint. 3) Hakodome 箱留 (box-like miter). A mitered corner with a rabbeted tenon joint. 4) Ōdome 大留, a mitered corner half lap joint in which an oblique cut from the outer corner to the inner side half the depth of the female beam, forms the hypotenuse of a right triangle. This piece is removed. The same shaped piece is cut from the under side of the male beam. The triangular lip of this beam laps over the part remaining on the lower half of the female beam. 5) Kakushidomekata sanmai hozo 隠し留形三枚ほぞ, a mitered joint with a hidden or blind stub tenon and mortise. 6) Kakushidomeari sanmai hozo 隠し留蟻三枚ほぞ, a mitered joint with a blind dovetail tenon and mortise.
These mitered joints are used for creating a fine finish in the corners of interior trim and for furniture.

ōdome大留

handome 半留

 

kakushidomeari sanmai hozo
隠し留蟻三枚ほぞ

kakushidomekata sanmai hozo
隠し留形三枚ほぞ

hakodome 
箱留