The present invention provides a bracket which is constituted to fix rivets or bolts LS to a main bracket 300 in combination with two side plates 100A, 100B and one top plate 200. A bracket 10 with such a constitution is capable of preventing distortion of brackets 10 and improving size precision, in contrast to that with a jointing constitution. Furthermore, in contrast to that with a jointing constitution, the constitution work in accordance with the present invention is easily performed due to only fixing rivets or bolts LCS as fixing components.