| 摘要 |
An automatic reverse mechanism for a tape recorder includes capstans, pinch rollers and reel shafts arranged respectively on both sides of an associated magnetic head. The mechanism also includes rotation transmitting members arranged symmetrically relative to the magnetic head, eccentric circular cam surfaces provided respectively about the shafts of the rotation transmitting members, and cam members having outwardly-arcuate cam surfaces and provided respectively on the rotation transmitting members with an interval between the cam members and the eccentric circular cam surfaces. The outwardly-arcuate cam surfaces are located on the sides opposite to the peripheral surfaces of the corresponding eccentric circular cam surfaces. The mechanism also includes cam followers arranged symmetrically relative to the magnetic head so as to receive the rotation of the corresponding reel shafts via corresponding friction mechanisms and a pinch roller changeover mechanism. |
