20150144063 | DEVICE FOR A VACUUM AND FOR TRANSMITTING OR ENABLING A MOVEMENT - A device for movement transmission, torque transmission, force transmission and/or enabling movement can form a gear and/or guidance mechanism and be used in a vacuum. The device includes at least one notch/engagement part mechanism, which is formed by at least one notch and at least one engagement part. The device further includes at least two contact surfaces, at least one contact surface being able to roll along the other contact surface. | 05-28-2015 |