| 摘要 |
<p>The device has a roller bearing held in rings (5,6). Each panel (1,2) has projections (7,8) concentric to the roller bearing and directed towards the other panel. The projections of one plate engage on the outer ring, those of the second plate engage on the inner ring. The roller bearing has roller bodies (4), esp. cylinders and needles, which engage on the plates and are located between inner and outer rings. The panels are of metal, and the projections are pressed out of the metal. The panels are connected by a screw (9) with lock nut (10).</p> |
