| 摘要 |
1298817 Bearings FRIEDRICH MAUTHE GmbH 16 Dec 1969 [17 Dec 1968 7 July 1969] 61305/69 Heading F2A [Also in Division G3] The bottom end of a shaft 59 of a rotationally oscillating body is secured in a magnetic bearing comprising a magnetized tip 58 of the shaft 59 and a permanent magnet 56. The magnet 56 is set in an adjustable screw 57 whereby the gap between the magnets and hence the oscillator frequency may be adjusted. |
