Patent ID: 11891100
Assignee: YEONG HWAN PARK
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 1:
2. The foldable lightweight roll container of claim 1, wherein the load frame (100) is configured to further include:
a door lock member (106) installed in the left and right door members (130, 130′) so as to lock the left and right door members (130, 130′) not to be arbitrarily opened;
an installation member (107) coupling and installing the caster (600) to the lower border portion (120);
a sealing cap (150) coupled to the first coupling hole (112) perforated on the top and bottom surfaces of horizontal portion of the lower border portion (110);
a fastening means (160) installed in each of the rear frame member (101) and the left and right frame members (102, 102′) and fastening the lower end member (104) and the left and right door member (130, 130′); and
a grip means (180) fastened to the lower border portion (110).