| 摘要 |
1515034 Mechanical switches SIEMENS AG 16 March 1976 [19 March 1975] 10551/76 Heading H1N [Also in Division H2] Limit switches 14, 15 for controlling a motor driving a tubular rotary member 1 are actuated by cam discs 4, 5, which are driven by frictional engagement with a driven disc 6 and which can be rotated relative thereto for adjustment by means of pins 8, 9, whose conical ends 81, 91 can be pressed between the driving and driven discs, the pin then being turned. Preferably the pin ends are toothed to engage teeth in the flanks 42, 52 of the cam discs. The support 7 for the pins also has a resilient locating arm 71 engaging in a peripheral groove 62 in the disc 6. |
