Patent ID: 9408774
Filing Date: 2016-08-09
CPC Classification: A61H,A63B

Claim Text:
1. A portable device comprising: a shakable member; at least one rotational member in communication with said shakable member, each of said at least one rotational member exhibiting a respective axis of rotation; at least one mass exhibiting a center of gravity, each of said at least one mass in communication with a particular one of said at least one rotational member, said center of gravity of each mass offset from the axis of rotation of the respective rotational member; at least one motor in communication with said at least one rotational member and arranged to rotate said at least one rotational member about the respective axis of rotation thereof, wherein the rotational axis of said at least one rotational member is perpendicular to a longitudinal axis of said shakable member; and a control circuitry in communication with said at least one motor, said control circuitry arranged to operate said at least one motor so as to irregularly rotate said at least one rotational member to thereby shake said shakable member.