| 摘要 |
The device for offering 4-track head effect by using 2-track head in auto reverse mode, comprises reverse plate (11) having fixed idle gears (5,5'); sensor arm (23) driven by cam (30) formed on hub shaft (4); guide lever (18) driven by the arm (23); driving gear (12), for transmitting torque to the gears (5,5'), being concentric with the plate (11); gear cam (15) with the project ion (33) being concentric with cam gear (13) having cam (34); lock arm (19), for restricting rotation of the cam (15), engaged with reverse arm (16); plate (36) having the projection (45) and engaged with head assembly (8); reverse lever (14) connected with the plate (11) and engaged in groove (38) of the plate (36).
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