| 摘要 |
A pair of ridge latch plates and cooperating latch pin is disclosed for joining together two beams of a constructional arch. The invention includes a latch pin which extends through one of the beams with the respective ends of the latch pin being engaged by latches pivotably mounted on latch plates secured on opposite sides of the other beam. Guides are provided on each latch plate for guiding the protruding ends of the latch pin into engagement with the distal ends of each latch.
|
