Stone working – Splitting – shearing – and punching
Reexamination Certificate
2008-05-27
2008-05-27
Nguyen, Dung Van (Department: 3723)
Stone working
Splitting, shearing, and punching
C125S040000
Reexamination Certificate
active
11482784
ABSTRACT:
A device for precise cutting of imitation stone. An upper blade is mounted to an upper blade mount assembly for vertical sliding movement over a stationary lower blade. Downward movement of a handle rotates a cam surface that engages a convex upper surface of the upper blade mount assembly. This action moves the upper blade into contact with a piece of imitation stone disposed between the upper and lower blades, and further lowering of the upper blade then cuts the stone. The cutting edge of each of the blades is beveled on one side only such that each of the blade edges is asymmetrical in vertical cross-section.
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Coyne Brian J.
Nguyen Dung Van
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