| 摘要 |
<p>An optical position indicator (5), disposed between punch and die units (l), (3) of a fastener attaching machine and horizontally reciprocable in timed relation to vertical movement of the punch unit (l), includes a light source (6), and a holder (7) supporting thereon the light source (6) in such a posture that a light beam from the light source (6) is projected directly on the garment fabric (C) without any reflection.</p> |
