Measuring and testing – Rotor unbalance – Gravitational moment turns rotor about spin axis
Reexamination Certificate
2005-09-07
2009-06-16
Chapman, John E (Department: 2856)
Measuring and testing
Rotor unbalance
Gravitational moment turns rotor about spin axis
Reexamination Certificate
active
07546767
ABSTRACT:
A magnetic balancer for improving component balance, ease of use, durability, and portability of components having at least one rod member, and at least two magnets. The at least one rod member has a radiused pair of end portions suspended between at least two magnets with one of the pair of end portions being free floating. The principle use is for balancing wheels, however, other components will benefit from this invention. For example, propellers, spinners, boat props, rotors, and clutches will benefit from this application.
REFERENCES:
patent: D398620 (1998-09-01), McCormack
patent: 5939629 (1999-08-01), Abboud
Chapman John E
Golden James B.
Golden's M&I
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