FIELD: instrument making.
SUBSTANCE: device comprises base for mount seat for sight, yoke with fastening screws and device for adjustment of sight for its fixation on gun tube. Device for adjustment of sight is arranged in the form of two telescopically arranged split bushings. Bushings are installed under yoke in circular bore of sight vessel. They are coupled to each other along cylindrical surface and are equipped with collars having radial grooves in them for key. Cylindrical surface of both split bushings coupling is arranged at the angle to central optical axis of sight. Axis of cylindrical external surface of female split bushing is parallel to axis of gun tube.
EFFECT: improved reliability of sight adjustment.
4 dwg
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