Patent ID: 8714984

Claim:
An apparatus comprising: (a) a first gear having a first set of gear teeth, an inside surface and a central aperture; (b) a first stationary drum element; (c) a second stationary drum element that mates with said first stationary drum element and said first gear forming an assembly; said assembly including a cavity between said first and second drum elements and said inside surface of said first gear, said cavity being substantially filled with a damping material; (d) a second gear; said second gear having a second set of gear teeth; said first set and said second set of gear teeth being fitted to articulate with each other; (e) an assembly carrier; said carrier comprising one or more supports for mounting said assembly, wherein said one or more supports prevent rotation of said stationary drum elements while said first gear rotates thereby engaging said first set of gear teeth with said second set of gear teeth at a predetermined speed.