8 mm video tape rewinder

Winding – tensioning – or guiding – Strand tensioning device – Tortuous course

Patent

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Details

242200, G11B 1532

Patent

active

052321797

ABSTRACT:
A 8 mm video tape rewinder including an upper casing and a lower casing, containing a motor, a slide plate, a tape deck, a push button, a transparent cap, a DC seat, a circuit board, a microswitch, a pair of push arms, a rewinding shaft, a driven shaft and multiple springs, whereby when rewinding the tape, the push button is pushed inward to push the slide plate inward so that a pushing rib thereof touches the microswitch and pushes the push arms rearward, and the push rod of the push arm stretches the tape outside the tape casing for rewinding the tape and when the push arms reach the end, a projection of one of the push arms pushes and engages with a rear projecting post of the slide plate so as not to be pulled back by a spring, and when the rewinding operation is completed, the tensioned tape will exert pushing force on the push rod to push away the engaged projection and projecting post, permitting the slide plate to be pulled back by the spring and the transparent cap can be opened for taking out the tape.

REFERENCES:
patent: 4031554 (1977-06-01), Umeda et al.
patent: 4159810 (1979-07-01), Hookinson
patent: 4178809 (1979-12-01), Hanzawa et al.
patent: 4513927 (1985-04-01), Tsai
patent: 4563711 (1986-01-01), Takai
patent: 4622605 (1986-11-01), Tsuruoka et al.
patent: 4749147 (1988-06-01), Chen
patent: 4848699 (1989-07-01), Jing-Lin

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