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US 10,252,330 B2Granted
Pouring metallic plug stick clamping mechanism for cast steel wheels
AssigneeAmsted Rail Company, Inc.
InventorsSijin Zhang, Xuefeng Yu, James Harold Strickland, Chengqun Yan, Zhongxian Du, Changling Hu
Life of this patent
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Abstract
A pouring metallic plug stick clamping mechanism for cast steel wheels. The mechanism includes: a cast iron frame, a plurality of grooves, a centrally located opening in the frame, a first white ceramic ball, a second white ceramic ball, a third white ceramic ball, a retaining spring, a pressure regulating bolt, a control press button, a metallic plug stick, and a blocking iron piece.
Claims4
A pouring metallic plug stick clamping mechanism for cast steel wheels, comprising:
- a cast iron frame, a plurality of grooves, a centrally located opening in the frame, a first white ceramic ball, a second white ceramic ball, a third white ceramic ball, a retaining spring in at least one of the grooves, a pressure regulating bolt, a control press button, a metallic plug stick, and a blocking iron piece;
- wherein:
- the grooves are provided in the cast iron frame and extend radially outwardly from the opening the first white ceramic ball, the second white ceramic ball, and the third white ceramic ball being mounted in the grooves;
- wherein each of the first white ceramic ball, the second white ceramic ball and the third white ceramic ball is provided thereon with the retaining spring and the pressure regulating bolt and
- the metallic plug stick passes through the opening in the cast iron frame and is fixed at its lower end to the blocking iron piece.
2 more elements
Dependencies are inferred from the claim text.