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Donald W Nace, 896162 Hill Top Dr, Spring Grove, PA 17362

Donald Nace Phones & Addresses

6162 Hill Top Dr, Spring Grove, PA 17362    717-2251860   

Hanover, PA   

6162 Hill Top Dr, Spring Grove, PA 17362    717-4511261   



Mentions for Donald W Nace



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Donald Nace

United States
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Donald Nace


Us Patents

Eccentric Pin Positive Locking Device For Hydraulic Turbine Wicket Gates

US Patent:
4210408, Jul 1, 1980
Oct 30, 1978
Appl. No.:
Donald W. Nace - York PA
Allis-Chalmers Corporation - Milwaukee WI
International Classification:
F03B 318
US Classification:
A hydraulic turbine wicket gate operating assembly including an eccentric pin having a separate hexagonal spacer attached provides a novel means for turning the eccentric pin and fixing it from rotation beyond a desired point. With the arrangement, a single gate operating ring can be utilized to permit all of the gates to move in unison and to provide for the simultaneous closing of each gate against each adjacent gate.

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