1. A throwing wheel assembly including a rotatable wheel and a throwing blade removably positionable on a face of said rotatable
wheel in a throwing position, said throwing blade having a holding structure projecting therefrom, the improvement comprising:
said face having a recess therein and
said throwing wheel assembly further comprising a retainer which is removably positionable in said recess and is adapted for
removably receiving said holding structure such that said retainer will retain said throwing blade in said throwing position,
said retainer having a cavity therein wherein said holding structure is removably receivable, and said retainer being removably
securable in said recess by a bolt which is covered by said holding structure when said holding structure is positioned in
said cavity.
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