(under subclass 87) Devices wherein the track as defined in subclass 96 below (1) has a shield or protecting hood covering the same, (2) is an elongated element longitudinally slotted or hollow in which the traveler portion moves and from which the panel or panel carrying portion of the traveler extends to the exterior of the hollow or slotted
elongated element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
87.4+, for covered hollow or slotted track combined with flexible panel attaching means.
94, for tracks of this type combined with supporting brackets.
SEE OR SEARCH CLASS
104, Railways, 89, 111 for suspended railway structures and particularly subclass 106 for the suspended rail structures with or without their supports.
160, Flexible or Portable Closure, Partition, or Panel,
345+, for hollow or slotted track combined with closures, etc.
191, Electricity: Transmission to Vehicles,
22+, (especially subclasses 23+ and 30+) for similar structure for transmitting electrical energy to moving vehicles.