US 12,000,457 B2
Chain
Yusuke Saito, Osaka (JP)
Assigned to TSUBAKIMOTO CHAIN CO., Osaka (JP)
Filed by TSUBAKIMOTO CHAIN CO., Osaka (JP)
Filed on Mar. 28, 2023, as Appl. No. 18/127,117.
Claims priority of application No. 2022-055147 (JP), filed on Mar. 30, 2022.
Prior Publication US 2023/0313863 A1, Oct. 5, 2023
Int. Cl. F16G 13/06 (2006.01)
CPC F16G 13/06 (2013.01) 8 Claims
OG exemplary drawing
 
1. A chain comprising:
a plurality of outer links each having a pair of outer plates and pins;
a plurality of inner links each having a pair of inner plates and bushings, the outer links and the inner links being alternately and pivotably coupled together in a longitudinal direction of the chain by the pins rotatably inserted into the bushings; and
a position restricting part positioned between each pair of the inner plates to restrict inward movement of said each pair of inner plates in a chain width direction,
the bushings being rotatably inserted in respective bushing holes of said each pair of inner plates,
wherein a clearance is formed between an inner circumferential surface of the bushing holes and an outer circumferential surface of the bushings, respectively.