US PATENT SUBCLASS 191 / 59
.~.~ Heads

Current as of: June, 1999
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191 /   HD   ELECTRICITY: TRANSMISSION TO VEHICLES

45 R  DF  COLLECTORS {8}
50  DF  .~ Trolley {10}
59.~.~ Heads {9}
59.1  DF  .~.~.~> Sliding contact
60  DF  .~.~.~> Swivel {1}
60.2  DF  .~.~.~> Lateral swing
60.3  DF  .~.~.~> Vertical swing
60.4  DF  .~.~.~> Axial slide
60.5  DF  .~.~.~> Pole couplings
61  DF  .~.~.~> Wheel to head contactor
62  DF  .~.~.~> Ice clearers or preventers
63  DF  .~.~.~> Wheels {5}

DEFINITION

Classification: 191/59

(under subclass 50) That portion of the collector of the ordinary under-running type that includes the contact element, its mounting, and the securing means between the contact mounting and the pole or other supporting means.

(1) Note. Wheel mounts adapted for general application although designed as mounts for trolley wheels, are classified in Class 384, Bearings, subclasses 252+ and 429+ for bearing supports, e.g., mount for trolley wheel.