| 摘要 |
PROBLEM TO BE SOLVED: To couple two housings in stable state, by holding a second coupling surface reliably between a first coupling surface and a pawl at an engaging position.SOLUTION: Pawls 7A, 7B protrude from the first coupling surface 1A of one housing 1, and reciprocate freely between an engaging position and a disengaging position in one direction parallel with the first coupling surface 1A. In a state moved to the disengaging position side, the pawls 7A, 7B penetrate apertures 14A, 14B formed in the second coupling surface 11A of the other housing 11, before being reset and engaging with the apertures 14A, 14B to couple the housings 1, 11. Depending on the movement between the engaging position and disengaging position, the pawls 7A, 7B are moved to approach the first coupling surface 1A more at the engaging position than at the disengaging position, in the normal direction of the first coupling surface 1A. |
