SCREW-ASSEMBLED LID BODY FOR PROP MEMBER

• Main Authors: MOMOSE TETSUYA, HORIGOME YUKIO, OKAJIMA NOBUYUKI
• Format: Patent
• Language: English; Japanese
• Published: 13.03.2024
• Subjects: CESSPOOLS; FIXED CONSTRUCTIONS; SEWERAGE; SEWERS; WATER SUPPLY

To provide a lid body that makes mounting and fixing work easier and prevents rattling noise and bouncing.SOLUTION: There is provided a lid body comprising: a disc-shaped grating lid body 1; a base member 3 having a horizontal upper surface within an opening 10 provided near one side of the lid body and attached to and held by the lid body, leaving the remainder of the opening from an outer edge 311a of the upper surface toward one side of the lid; a fastening member 5; and a prop member 6 in which the lower surface of the tip side of a first plate portion contacts the outer edge of the base member and a second plate part 62, bent at the tip of the first plate portion, extends downward through the remaining portion of the opening at the beginning of screwing between the fastening member and a screwed part 4 with the fastening member interposed through a first plate part 61 by free insertion into a through hole 610 formed on the first plate part. The second plate part at the beginning of screwing is brought into contact with or brought close to a side wall 81 near the upper edge of a gutter 80 of a side gutter 8 to be covered with the lid body, and as the fastening member is screwed into the screwed part together, the prop member rotates using the part in contact with the outer edge of the base member as a fulcrum, and the second plate part hits the side wall and is stretched.SELECTED DRAWING: Figure 7 【課題】取付け固定作業を楽にしてガタツキ騒音や跳ね上げを防止する蓋体の提供。【解決手段】盤状グレーチングの蓋体１と、蓋体の一側寄りに設けた開口部１０内に水平方向の上面を有し、且つ蓋体の一側の方に、上面の外縁３１１ａからの開口部の開口残部を残して蓋体に取付け保持されるベース部材３と、締結部材５と、第一板部６１に形成された通孔６１０へ遊挿して第一板部を介在させた締結部材と被螺合部４との螺合始期に、第一板部の先端側下面がベース部材の外縁に当接し、且つ第一板部の先端で屈曲した第二板部６２が、開口残部を潜り抜けて下方へ延在するようにした突張り部材６とを具備し、蓋体で蓋をする側溝８の溝口８０に係る上縁近くの側壁８１に、螺合始期の第二板部を当てるか接近させ、被螺合部への締結部材の螺合組付け進行に伴って、突張り部材がベース部材の外縁との当接部分を支点のようにして回動し、第二板部が側壁に当たって突張る。【選択図】図７