The Cap Jewel (top)
Reference no315
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The Cap Jewel (top) Reference no315 |
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The Cap Jewel
(315) that
locks the balance pivot in the axial direction can be seen to the left in the
figure. It is sometimes called end-stone. The cap jewel is often part of
a shock-protection system. To the right is the Balance pivot jewel bearing
in its housing, the bearing hole diameter is
typically 0.1 mm.
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The same picture as above but with the
Balance pivot bearing housing turned up-side down.
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The Cap Jewel in place in the bearing housing.
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Another angle where the hole in the pivot
bearing can be seen through the end-stone.
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| The balance pivot bearing in place in the shock-protection system in the balance cock. |