| 摘要 |
<p>Side end members 9 and 9 with almost U-shaped cross sections are mounted at the side ends of the master door 1 and the slave door 2; a hinge 12 is formed at the tip of one arm of the side end member 9; and an edge cover 11 is formed at the tip of the other arm. A shaft 19, which is protruded from a joint member 20, is fitted into a shaft hole 13 of the hinge so that the master door 1 and the slavedoor 2 can be connected together; a hinge cover 16 is screwed astride both the hinges 12 and 12 in the state of being sandwiched between the upper and lower joint members 20 and 20; a main gear 18 isattached concentrically with the shaft 19 which is fitted into the shaft hole 13 of the hinge 12; an auxiliary gear 23 meshed with the main gear 18 is provided; and both the auxiliary gears 23 and 23are meshed with each other.</p> |
