| 摘要 |
A flywheel suitable for use in a tape recorder or the like is composed of an annular metal plate and a plastic pulley superposed coaxially as a unitary member with the plate. The plate defines a plurality of outwardly-extending notches at an equal angular interval along an inner peripheral edge thereof and the corresponding number of interlocking holes between the respective notches. The pulley is provided with a plurality of holding lugs extending outwardly beyond the inner peripheral edge of the plate and holding an inner peripheral edge portion between the lugs and a main part of the pulley. The main part of the pulley is provided, at at least one of locations opposing to the interlocking lugs, with an elastic interlocking member maintained in engagement with one of the interlocking holes.
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