What holds the bobbin case in a sewing machine?
Bobbin spindle– holds the bobbin while it winds.
Do all Singer sewing machines use the same bobbin case?
While they are technically interchangeable in most cases, it is recommended that you only use one or the other. The weight of the bobbin can affect your tension and the way the thread feeds. These are the most common bobbins, as they are used with removable and inset bobbin cases.
How do you remove the bobbin from a sewing machine?
Removing the Bobbin. To remove the bobbin, draw out the righthand slide plate in the bed of the machine. Insert the fingernail of the forefinger under the latch; raise the latch and lift the bobbin out.