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Harold Fletcher Massey
William Henry Snow
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B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
B21J7/20—Drives for hammers; Transmission means therefor
B21J7/22—Drives for hammers; Transmission means therefor for power hammers
B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure
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Engineering & Computer Science
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Mechanical Engineering
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Percussive Tools And Related Accessories
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Abstract
29,316. Massey, H. F., and Snow, W. H. Dec. 15. Cushioning reciprocating parts. -In a hammer worked by compressed air or other fluid, the up-stroke of the piston is cushioned by fluid trapped in the space 8.
GB190929316D1909-12-151909-12-15Improvements in Hammers Worked by Elastic Fluid.
ExpiredGB190929316A
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