Work holders – Work-underlying support – Movable roller
Reexamination Certificate
2007-06-06
2011-11-01
Carter, Monica (Department: 3727)
Work holders
Work-underlying support
Movable roller
C269S059000, C269S071000, C269S075000, C269S290000, C343S703000, C280S087042
Reexamination Certificate
active
08047518
ABSTRACT:
The positioning device can position a spherical object. This object is placed and held by gravity on three points of support (P, P′, P″) of the positioning device. The center of gravity of the object in any position is within the triangle formed by the three points of support. The positioning device includes means for driving the object in rotation. The drive means includes a drive member including wheel whose contact with the external surface of the object forms one of the support points (P) of the positioning device. This drive member can impose a rotation on the object, via the wheel, in all directions. The other two points of support (P′, P″) are made using two ball and socket joints, wherein the ball is held on an air cushion in a housing of the ball and socket joint.
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International Search Report issued in corresponding application No. PCT/EP2007/055604, completed Aug. 14, 2007 and mailed Aug. 28, 2007.
Notice of Allowance issued in co-pending related U.S. Appl. No. 12/306,300, dated Mar. 31, 2011.
Casagrande Arnaud
Grange Matthieu
Carter Monica
Griffin & Szipl, P.C.
The Swatch Group Research and Development Ltd
Yoon Seahee
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