| 摘要 |
PCT No. PCT/DK84/00041 Sec. 371 Date Jan. 16, 1985 Sec. 102(e) Date Jan. 16, 1985 PCT Filed May 17, 1984 PCT Pub. No. WO84/04840 PCT Pub. Date Dec. 6, 1984.A clean cassette for cassette tape recorders comprising a holder for a cleaning member, which holder is pivotally connected at one end with a spring-biased pivot arm. The opposite end of the spring-biased pivot arm engages a cam device which in the operative position of the cassette is engaged by one coil shaft of the tape recorder. The opposite end of the holder is intermittently engageable with a second pivot arm. The second pivot arm is influenced in the operative position by a second cam device engaged by the second coil shaft of the tape recorder. Upon actuation of the second coil shaft, an end of the second pivot arm moves the holder against the action of the spring bias of the first pivot arm. |
