| 摘要 |
<p>The contact head for a pantograph (1) has two rubbing contact strips (3) connected by a traverse (4) hinged to a stabilizing arm (5) of the pantograph. The strips are each connected to the traverse by a link (7) which can pivot to tilt in a direction perpendicular to the strips, under a preset force (F) encountered by the strips during their movement.</p> |
