| 摘要 |
PROBLEM TO BE SOLVED: To provide a can conveyance chain configured such that a pin is extended for a predetermined pitch to be an extension pin, a pin cap is attached to the tip part of the extension pin via a coil spring, and a can is latched to the pin cap and conveyed without damaging an inner bottom surface nor an inner side face.SOLUTION: A pin cap 2 has a first receiving hole 3 and a second receiving hole 4 formed, and is provided with an attaching part 5 between the two receiving holes 3, 4. The attaching part 5 has a pin hole 6 which is concentric with the receiving holes 3, 4 and larger than the external diameter of an extension pin 1. Conic coil springs 8a, 8b are arranged in abutment with bottoms of the first receiving hole 3 and second receiving hole 4, the extension pin 1 is inserted into the pin hole 6 of the attaching part 5 and both the conic coil springs 8a, 8b, and washers 9, 10 are fixed to tips of the conic coil springs. |
