A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
TRENCH COVER
The present invention relates to a trench cover having a simple coupling structure, including: an upper portion having an entering hole; a first side portion bent on a first side of the upper portion and having a concave portion; and a coupling protrusion protruding from the first side portion and forming a coupling groove with the concave portion, wherein the coupling protrusion and the coupling groove are arranged in positions of point symmetry.
본 발명은 단순한 결합 구조를 갖는 트렌치 커버에 관한 것으로, 출입 홀을 갖는 상부; 상부의 제 1 변에서 절곡되고 오목부를 갖는 제 1 측부; 및 제 1 측부로부터 돌출되며 오목부와 함께 결합 홈을 정의하는 결합 돌기를 포함하며; 결합 돌기 및 결합 홈은 점대칭의 위치에 배치된다.
TRENCH COVER
The present invention relates to a trench cover having a simple coupling structure, including: an upper portion having an entering hole; a first side portion bent on a first side of the upper portion and having a concave portion; and a coupling protrusion protruding from the first side portion and forming a coupling groove with the concave portion, wherein the coupling protrusion and the coupling groove are arranged in positions of point symmetry.
본 발명은 단순한 결합 구조를 갖는 트렌치 커버에 관한 것으로, 출입 홀을 갖는 상부; 상부의 제 1 변에서 절곡되고 오목부를 갖는 제 1 측부; 및 제 1 측부로부터 돌출되며 오목부와 함께 결합 홈을 정의하는 결합 돌기를 포함하며; 결합 돌기 및 결합 홈은 점대칭의 위치에 배치된다.
TRENCH COVER
트렌치 커버
KUM DONG JO (author) / LEE AHN KYU (author)
2019-02-13
Patent
Electronic Resource
Korean
IPC:
E03F
SEWERS
,
Abwasserkanäle
/
F16B
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES
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Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile