Ultrasonic tape guide device

Details Ultrasonic tape guide device Ultrasonic tape guide device

1992-08-03

1995-01-03

Stodola, Daniel P.

Advancing material of indeterminate length

Passive guide

226194, 242907, B65H 2700

Patent

active

053778936

ABSTRACT:
An ultrasonic tape guide device for use in a video tape recorder, for example, has a tubular tape guide disposed around and supported on a shaft mounted on a base. A substantially flat piezoelectric ultrasonic vibrator for vibrating the tubular tape guide in an axial direction thereof has one surface fixed to the tubular tape guide and an opposite free surface facing away from the tubular gape guide. When the piezoelectric ultrasonic vibrator is energized to vibrate the tubular tape guide, a magnetic tape is guided smoothly around the tubular tape guide with a low coefficient of friction.

REFERENCES:
patent: 4573619 (1986-03-01), Grant
patent: 4875610 (1989-10-01), Kitamoto et al.
patent: 5152444 (1992-10-01), Saito

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