| 摘要 |
<p>PURPOSE:To prevent a tape from being cut and a charger from being broken, when a cassette making i impossible to smoothly let out the tape, by interposing a relief mechanism between a cam mechanism and a moving mechanism of a tape let-off guide. CONSTITUTION:There are provided: tape let-off guides 5a to 5d for letting off a tape 2 from a cassetee 3 and for charging a tape guide drum having a royary head with the tape 2; a mechanism 32 for holding those guides 5 under moving and charged conditions; and a cam mechanism 27 for generating a stroke necessary for moving the guides 5. The moving mechanism of the guides 5 and the cam mechanism 27 are connected by means of a movable arm 43, a spring 45 for normally holding the arm 43 in a preset position, and a rod 29 made rotatable and connected to the arm 43.</p> |
