A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The present invention relates to a spiral staircase wherein a bolt on the inner side of a spiral stair stringer on both sides is engaged with and supported in a bolt accepting groove on both lower sides of a stair tread to be fastened and fixated.
본 발명은 계단 발판(계단 디딤판ㆍstair tread)의 양측 하면에 형성된 볼트수용홈이 양 사이드의 나선 측판(계단보ㆍhelical type stair stringer)의 내측에 설치한 볼트에 끼워 받쳐진 채 체결 고정되는 나선 계단에 관한 것이다.
The present invention relates to a spiral staircase wherein a bolt on the inner side of a spiral stair stringer on both sides is engaged with and supported in a bolt accepting groove on both lower sides of a stair tread to be fastened and fixated.
본 발명은 계단 발판(계단 디딤판ㆍstair tread)의 양측 하면에 형성된 볼트수용홈이 양 사이드의 나선 측판(계단보ㆍhelical type stair stringer)의 내측에 설치한 볼트에 끼워 받쳐진 채 체결 고정되는 나선 계단에 관한 것이다.
HELICAL STAIR
나선 계단
SEO SEONG HWAN (author)
2015-07-29
Patent
Electronic Resource
Korean
IPC:
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
Stair, stair group and method for manufacturing stair group
| European Patent Office | 2024