B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
88/113.12
B60R 1/00 (2006.01) B23Q 16/04 (2006.01) G02B 23/08 (2006.01) G02B 23/16 (2006.01) G05G 5/04 (2006.01)
Patent
CA 1146390
6791 CAN INVENTOR: KLAUS ARNDT INVENTION: APPARATUS FOR LOCKING A DRIVE SHAFT FOR THE ELEVATION OR AZIMUTH SIGHTING MOVEMENTS OF THE SIGHTING DEVICE OF AN OBSERVATION PERISCOPE ABSTRACT OF THE DISCLOSURE An apparatus for the locking of a component or part free of play, especially a drive shaft in a null position, but also other elements, such as a machine part. The drive shaft can be rotated about its lengthwise axis and positioned in a predetermined rotational position. In the null position the drive shaft provided with an impact or contact element is locked by means of a first locking element constructed as a hard layer and a second locking element constructed as a resilient contact or impact member, each of which locking elements are rotatable into the rotational plane of the drive shaft. The drive shaft is locked by the locking elements in such a manner that the first locking element and the contact or impact element attached to the drive shaft as well as the second displaceably mounted locking element are successively acted upon or contacted by the action of the restoring force of a spring which is effective at the second locking element. The locking apparatus renders possible, particularly for adjusting the optical axes, an exactly reproducible essentially play-free locking of the drive shaft provided, for instance, for the azimuth or elevational movement of a sighting or aiming device of an observation periscope arranged above a armoured vehicle roof or cover arrangement of a combat vehicle or the like. - 2 -
375215
Contraves Ag
Johnson & Hicks
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