Ultrasonic tape guide apparatus

Details Ultrasonic tape guide apparatus Ultrasonic tape guide apparatus

1994-03-03

1995-06-20

Stodola, Daniel P.

Advancing material of indeterminate length

Passive guide

226194, 2426153, B65H 2700

Patent

active

054254876

ABSTRACT:
A tape guide device includes a guide member of a cylindrical configuration for guiding a tape, a ultrasonic vibrator secured to the guide member for vibrating the guide member in standing-waves configuration and a supporting member for supporting the guide member. A rotation preventing member for preventing a rotation of the guide member is formed on one of a pair of tape position restricting members in the width direction of the tape, whereby the number of the assembly parts of the tape guide device is reduced and a mechanism thereof is simplified. Therefore, the tape guide device can be miniaturized. Also, the structure and the shape of the ultrasonic vibrator are selected so that, even when the tape guide device is miniaturized, a coefficient of friction between the tape and the guide member becomes an optimum value.

REFERENCES:
patent: 4048861 (1977-09-01), Woidke et al.
patent: 4573619 (1986-03-01), Grant
patent: 4875610 (1989-10-01), Kitamoto et al.
patent: 5152494 (1992-10-01), Saito
patent: 5295618 (1994-03-01), Saito

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