| 摘要 |
A tape cassette assembly consisting of support mountings being specially disposed and based on a casing, the support mountings adapted for rotating a take up reel and a supply reel, a two state stable device mounted on the casing interpositioned between the take up reel and the supply reel, and including an articulated member positionable to indicate alternative states of stability, a follower mounted on the articulated member adapted for engagement with the tape filled on the take up reel or on the supply reel as one of the reels approaches a fill condition, and positive displacement member for the two state stable device for displacing the two state stable device from one alternative state of stability to another alternative state.
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