Machine element or mechanism – Gearing – Rotary bodies
Reexamination Certificate
2006-02-14
2006-02-14
Fenstermacher, David (Department: 3682)
Machine element or mechanism
Gearing
Rotary bodies
C074S409000, C074S406000, C074S432000
Reexamination Certificate
active
06997079
ABSTRACT:
A gear mechanism includes a driving gear, a driven gear, and an idler gear which is in mesh with the driving gear and the driven gear, wherein rotation of the driving gear is transferred to the driven gear via the idler gear. The idler gear includes first and second spur gears which are positioned adjacent to each other in an axial direction and are generally centered about a common axis, radial teeth of the first and second spur gears each being the same in shape, pitch and the number of teeth, and the first and second spur gears being biased to rotate in opposite directions. The first and second spur gears are connected so as to be relatively movable in a radial direction normal to the axial direction while maintaining the first and second spur gears in mesh with the driving gear and the driven gear.
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Nomura Hiroshi
Takashima Maiko
Fenstermacher David
Greenblum & Bernstein P.L.C.
Hansen Colby
PENTAX Corporation
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