Apparatus for preventing tape sag during mode changing in a vide

Details Apparatus for preventing tape sag during mode changing in a vide Apparatus for preventing tape sag during mode changing in a vide

1991-01-10

1993-03-23

Stodola, Daniel P.

Winding, tensioning, or guiding

Reeling device

Fishing rod reel

360 741, G11B 1543, G11B 1548

Patent

active

051956977

ABSTRACT:
A tape sag preventing apparatus includes a master cam, a main slide device interlocking with a brake lever movable by the master cam, an idle gear for driving reel disks and converting rotating directions of the reel disks and a tape sag preventing device for preventing the sag of the tape in converting the transporting direction of the tape according to the movement of the main slide device. The main slide device is provided with a cam slot formed on an end thereof to drive a tension pole. The tape sag preventing device has an operating lever biased by an elastic member and a driving gear which is rotated by the operating lever so as to tighten a spring around a transmission gear and thereby impart rotation to the supply reel so as to take up slack in the tape during a change in the direction of the tape transport.

REFERENCES:
patent: 3501111 (1970-03-01), Procop
patent: 4814912 (1989-03-01), Kleinlein et al.

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