Balance maintaining device for transport apparatus, and transport apparatus provided with said balance maintaining device

A transport apparatus provided with a balance maintaining device, comprising:

• a loading frame (100) having a loading box (101) provided at the upper portion thereof, one pair of first supports (110) extended at one side of the lower portion thereof, and a second support (120) extended at the other side of the lower portion thereof;
• and
• a lower frame (200) provided between the first and second supports (110, 120) and having a wheel (230) axially provided between inner portions, which face each other in the corresponding directions, and both lower side portions respectively linked and coupled to one side of each of the first support (110) and the second support (120).

A transport apparatus provided with a balance maintaining device, comprising:

• a loading frame (100) having a loading box (101) provided at the upper portion thereof, one pair of first supports (110) extended at one side of the lower portion thereof, and a second support (120) extended at the other side of the lower portion thereof, the first and second supports (110, 120) having a plurality of protrusion parts (112, 122) respectively formed at one side of each of the first and second supports (110, 120);
• and
• a lower frame (200) provided between the first and second supports (110, 120) and having a wheel (230) axially provided between inner portions thereof, which face each other in the corresponding directions, and protrusion parts (212, 222) respectively formed at both lower side portions in the diagonal direction of one side of the first support (110) and in the diagonal direction of one side of the second support (120) such that coupling members (300) are respectively fitted with the protrusion parts (112, 122, 212, 222) of the first and second supports (110, 120).