A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Floor tread frame
The invention discloses a floor tread frame. The floor tread frame is characterized in that the floor tread frame comprises a left connecting strip, a lower connecting strip and an upper connecting strip which are made of angle iron; the top surface and bottom surface of the left connecting strip are provided with slopes; the left connecting strip is provided with a tapered hole; the left side surface of the lower connecting strip is provided with a slope; the lower connecting strip is connected to the bottom surface of the left connecting strip through groove welding; the left side surface of the upper connecting strip is provided with a slope; the upper connecting strip is connected to the top surface of the left connecting strip through groove welding; the lower connecting strip is provided with a lower cutting line; the lower connecting strip is provided with multiple lower installation holes which are tapered; the part, close to the right side surface, of the lower connecting strip is provided with a lower waist-shaped hole; the upper connecting strip is provided with an upper cutting line; the upper connecting strip is provided with multiple upper installation holes which are tapered; and the part, close to the right side surface, of the upper connecting strip is provided with an upper waist-shaped hole.
Floor tread frame
The invention discloses a floor tread frame. The floor tread frame is characterized in that the floor tread frame comprises a left connecting strip, a lower connecting strip and an upper connecting strip which are made of angle iron; the top surface and bottom surface of the left connecting strip are provided with slopes; the left connecting strip is provided with a tapered hole; the left side surface of the lower connecting strip is provided with a slope; the lower connecting strip is connected to the bottom surface of the left connecting strip through groove welding; the left side surface of the upper connecting strip is provided with a slope; the upper connecting strip is connected to the top surface of the left connecting strip through groove welding; the lower connecting strip is provided with a lower cutting line; the lower connecting strip is provided with multiple lower installation holes which are tapered; the part, close to the right side surface, of the lower connecting strip is provided with a lower waist-shaped hole; the upper connecting strip is provided with an upper cutting line; the upper connecting strip is provided with multiple upper installation holes which are tapered; and the part, close to the right side surface, of the upper connecting strip is provided with an upper waist-shaped hole.
Floor tread frame
TANG GUOHUA (author) / YUAN JUNFENG (author)
2016-02-03
Patent
Electronic Resource
English
IPC:
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
| European Patent Office | 2020