Brake mechanism for drum type magnetic recording and reproducing apparatus
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United States of America Patent
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Sep 23, 1997
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N/A
app pub date -
Sep 18, 1995
filing date -
Sep 18, 1995
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Abstract
A brake mechanism of drum type magnetic recording and reproducing apparatus having a take-up reel, supply reel, each having a gear and reel body, and frictional force thus produced between said gear and real body during relative rotation. And a rocking gear mechanism selectively engages with the gear of said take-up reel or supply reel, and a brake plate mounted on said rocking gear mechanism, and including a first and second clutch teeth thereon, when said rocking gear mechanism engaged with said supply reel or take-up reel, said brake plate driven in rotation to enable said clutch teeth to engage with the gear of take-up reel to produce a brake force. With the aforesaid assembly, it may provide different back tension of tape under different modes of operation for said magnetic tape machine.
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