Pivotable changeover mechanism for loading and ejecting function

Details Pivotable changeover mechanism for loading and ejecting function Pivotable changeover mechanism for loading and ejecting function

1986-03-31

1988-03-15

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Tape record

360 85, 360 95, G11B 15665, G11B 15675

Patent

active

047316845

ABSTRACT:
A pivotable changeover mechanism switches the power transmission path from a single reversible motor between parts performing a tape loading function and parts performing a tape unloading and cassette ejecting function in a cassette tape recorder. The pivotable changeover mechanism has a pivotable arm supporting a drive pinion, and the free end of the arm is connected to a shiftable reversing lever through a torsion spring which biases the pivotable lever positively in one direction and then the other, to mesh the pinion with a positive motion cam for unloading the tape and then with a cassette driving gear for ejecting the tape cassette to an unloading position. Through a connecting linkage, the reversing lever is shifted to switch the pinion from driving the positive motion cam to driving the unloading gear only after the positive motion cam has been rotated to fully unload the tape from the recorder head. Thus, ejecting the tape cassette is safely performed only after the tape has been fully unloaded from the recorder head.

REFERENCES:
patent: 4408236 (1983-10-01), Murata et al.
patent: 4562496 (1985-12-01), Saito et al.
patent: 4611251 (1986-09-01), Yokoo

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