| 摘要 |
PURPOSE: An insect screen for a field fitting type and open type door is provided to obtain space for entering by reducing weight as much as the weight of caterpillar accommodation unit and to reduce noise by reducing the weight of opening and shutting composition for entering. CONSTITUTION: An insect screen for a field fitting type and open type door comprises a door frame(10), an opening and closing pillar(20), a net joint, a roller(30), a mesh(40), and an U-shaped caterpillar(70). The door frame comprises an upper side lateral door frame(11) including a guide groove, a void unit in which the caterpillar is accommodated, a mesh joint arm connected with a mesh joint for a mesh connection, a right side gunstock sill(17) including markings, and a left side lateral doorframe. The opening and closing pillar capable of moving to left and right is movably installed in the guide groove and includes a joint with a joint groove in order to fix the mesh. The mesh joint is connected with the mesh joint arm and includes the joint groove and the joint which fills in the joint groove. The roller is rotatably and movably installed according to the guide groove. The mesh is opened and is closed by the roller according to left and right movement of the opening and closing pillar. The spring supplies rotatory power to the roller in the direction that the mesh is folded by the roller. A locking device maintains state that the mesh is spread by locking the left and right movement of the opening and closing pillar. The caterpillar guides the movement of the opening and closing pillar, the mesh, and the roller. |
