Sealed magnetic drive means without a passage through a wall and

Details Sealed magnetic drive means without a passage through a wall and Sealed magnetic drive means without a passage through a wall and

1993-03-23

1994-10-25

Jaworski, Francis

Surgery

Truss

Pad

74 76, 74DIG4, A61B 800, F16H 2140

Patent

active

053579631

ABSTRACT:
The invention relates to a magnetic drive device enabling a member placed one side of a non-magnetic wall to be driven by a rotary drive shaft placed on the other side of the wall. The driven member is mounted to rock about an oscillation axis orthogonal to the axis of rotation of the drive shaft and carries an axially-magnetized magnet whose outside surface has a right cross-section in the plane containing the oscillation axis and the axis of rotation of the drive shaft that is in the form of a circle centered on the oscillation axis. The drive shaft carries an axially-magnetized magnet offset from the axis of the drive shaft.

REFERENCES:
patent: 3199362 (1965-08-01), Pfeiffer
patent: 3573517 (1971-04-01), Osterstrom
patent: 4092867 (1978-06-01), Matzuk
patent: 4486176 (1984-12-01), Tardieu et al.
patent: 4524623 (1985-06-01), Terwilliger
patent: 4732156 (1988-03-01), Nakamura

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