July 11, 201610 yr What is the name for this type of mechanical arrangement power hammer? Eccentric wheel at top driving a horse shoe leaf Spring and tup linked in between.
July 11, 201610 yr "semi elliptical multi leaf steel spring linkage" is what is mentioned in "Pounding out the Profits" WRT Thomas Shaw's patent of 1866. Dupont's coil spring linkage was patented in 1890... (Lots of interesting info in that book on the "development and manufacture of crank actuated open-die power forging hammers"!
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