Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received in well or slot
Reexamination Certificate
2007-08-21
2007-08-21
Nguyen, Ninh H. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Blade received in well or slot
Reexamination Certificate
active
11041257
ABSTRACT:
A securing assembly comprises a first rotatable member defining a first recess. The assembly also includes a second rotatable member defining a second recess. The first recess has an engagement formation. Securing means are locatable in the first and second recesses for securing the first and second rotatable members to each other. An urging formation is provided on one or both of the securing means and the second rotatable member for urging the securing means into engagement with the engagement formation when the first and second rotatable members are rotated.
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patent: 0 833 039 (1998-04-01), None
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Nguyen Ninh H.
Rolls-Royce plc
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