Duckworth chain?

[Walker]

anyone seen one of these before?

Duckworth chain, 1/2" pitch, super heavy duty compared to a typical 1/2" chain, even has a skiptooth type master link. Look at how the link pins are 100% peened.

 

[clamdigger]

no ,but you got me curious too. a search reveals chains like these with the Duckworth logo were used on vintage motorcycles. There was a Baldwin-Duckworth Chain Belt Company for machinery gear drives. The motorcycle chains were made at 381 Plainfield St,Springfield-1,Mass