作者: Ching-Lung Yang
DOI:
关键词: Transverse beam 、 Materials science 、 Optics 、 Groove (joinery) 、 Beam (structure) 、 Fastener 、 Joint (geology)
摘要: A joint device includes a main fixing plate, an auxiliary and fastener. The plate has vertical wall disposed between longitudinal beam transverse beam, first extending towards side of the from crossing over abutting against upper portion second lower beam. is in open groove way that clamped plate. fastener secures together.