Topic As opening and closing manipulation of the cover of the construction equipment access door is made easy, damage or the damage of the cover is prevented, before the applying the board building material the framework body of the construction equipment access door is locked in the framework component.SolutionsThe construction equipment access door for wall surface you install (1), in the lathing material (6) and the possible inspection inlet frame (2) and the installation possible inspecting plate (4) possess in the inspection inlet frame, the framework body of the inspection inlet frame (20), the opening for inspection (21) form. The board body of the inspecting plate (40), the torsion spring (41) the coil part (43) moors. The torsion spring the trail section (42) the spring person in charge stop (22) the slot for spring person in charge stopping (28) to be accepted when it is made to approach mutually, the edge of the slot (28a), this to touch to the trail section, resisting the elastic bounce of the torsion spring, containment the trail section. Choice figure Drawing 1
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