The joints d, e, and f are also pivots moving with the pantagraph.
pantagraph safety gates for coupling between cars are provided.
pantagraph motions have been devised for overcoming these defects.
If the indicators are attached to the side of the cylinder, the simplest form of pantagraph shown in Fig. 3367 may be used.
Fig. 149 represents a pantagraph for copying, enlarging and reducing plans.
Point a is to remain fixed, the pantagraph being free to move around it as a pivot.