| CPC B23K 37/04 (2013.01) [B65G 35/00 (2013.01); H01M 10/0404 (2013.01); F16C 29/045 (2013.01); H01M 50/536 (2021.01); Y02E 60/10 (2013.01); Y10T 29/53135 (2015.01)] | 10 Claims |

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1. A secondary battery manufacturing process carrier having a carrier transporting track structure, the secondary battery manufacturing process carrier comprising:
a carrier base;
a carrier roller and a rolling member provided on the carrier base;
a track base on which the carrier base is movably disposed, wherein the track base comprises:
a first track plate to which the carrier roller is movably coupled; and
a second track plate to which the rolling member is movably coupled,
wherein a first carrier side plate and a second carrier side plate are respectively disposed at left and right sides of the carrier base, the carrier roller and the rolling member are respectively provided on the first carrier side plate and the second carrier side plate, and the carrier roller and the rolling member are configured to be rolled on the track base and to be contacting the track base, and
wherein the carrier base comprises a lower carrier base plate, a pair of left and right side carrier base plates, and an upper carrier base plate, wherein the lower carrier base plate, the pair of left and right side carrier base plates, and the upper carrier base plate are integrally coupled to each other.
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