| 摘要 |
FIELD: construction.SUBSTANCE: tightening device comprises accessories, fixed on connected elements, and a screw coupled with a closed body of one accessory by thread, and with a closed body of another accessory - by means of a bearing assembly. The bearing assembly includes balls placed in the body via a closed side hole made in it, and a detachable limiter of axial displacement of the screw fixed on the body of another accessory.EFFECT: increased reliability of a tightening device and reduction of its dimensions.5 cl, 1 dwg |
