| 摘要 |
976,740. Capacitors. R. HOPT. Aug. 26, 1963 [Nov. 5, 1962], No. 33682/63. Heading H1M. Trimmer capacitor (Figs. 1, 3) comprises a ceramic sleeve 1 having an electrode coating 2 at one end and a threaded screwdriver slotted spindle 7; the remaining end of the sleeve being fitted with a metal cap 3 having a mounting flange 4 and also a sleeve extension 5 formed with three radially and axially spaced depressed protuberances 6 resiliently engaging the threads of the spindle. The depressions are of circular or of segmental section running parallel to the threads of the spindle, and the sleeve may be formed of resilient material separately from the cap, and crimped thereto. Further depressions may be provided to bridge the threads and give a large electrical contact thereto. |
