Method and apparatus for a low cost, high speed, and compact...

Details Method and apparatus for a low cost, high speed, and compact... Method and apparatus for a low cost, high speed, and compact...

2005-01-11

2005-01-11

Fenstermacher, David (Department: 3682)

Friction gear transmission systems or components

Friction transmission or element

C476S061000, C476S065000

Reexamination Certificate

active

06840886

ABSTRACT:
A friction drive including a drive shaft that is in rotational motion and in frictional contact with a follower at a contact area. The drive shaft transfers a thrust at the contact area. The follower receives the thrust and provides motion in response to the thrust. A flexure hinge couples the drive shaft to the follower with a constant force while restraining movement of the contact area in the direction of the thrust.

REFERENCES:
patent: 3964098 (1976-06-01), Kramer et al.
patent: 4917368 (1990-04-01), LaBelle et al.
patent: 5140242 (1992-08-01), Doran et al.
patent: 6466324 (2002-10-01), Doran
patent: 20020150398 (2002-10-01), Choi et al.
A. H. Slocum; “ Precision Machine Design”; Prentice Hall, pp. 341, 416, and 700-705; 1992.
S. Sakuta et al.; Ultra-Precision Positioning By Friction Drive-Table Control for DVD Mastering Japan/USA Symposium on Flexible Automation, vol. 1, ASME 1996.

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