Taper key joint for connecting a rotary valve shaft to a...

Details Taper key joint for connecting a rotary valve shaft to a... Taper key joint for connecting a rotary valve shaft to a...

F - Mech Eng,Light,Heat,Weapons

16

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251/27

F16K 1/22 (2006.01) F16B 3/00 (2006.01) F16D 1/08 (2006.01)

Patent

CA 1294939

21-56(5564)A TAPER KEY JOINT FOR CONNECTING A ROTARY VALVE SHAFT TO A VALVE DISC ABSTRACT OF THE DISCLOSURE An improved joint connection between a rotary valve shaft and valve closure member for a fluid valve. A tapered key has a flat surface tapered at a small angle with respect to the opposite key surface. The rotary valve shaft includes a groove with a flat surface. The tapered key is wedged into a passageway in the valve closure member to form an interference fit between the closure member, key and shaft.

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