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Apparatus for Controlling Trolley Poles

Description: Patent for an apparatus for controlling trolley poles. "This invention relates to an apparatus for controlling trolley poles employed for effecting electrical connection between a trolley wire and a motor on a car, and has for its object to provide improved means for automatically throwing the trolley into position to be placed in engagement with the trolley wire" (line 9-15). Illustrations included.
Date: November 10, 1903
Creator: Bogue, Judson L. & Jennings, David M.
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Partner: UNT Libraries Government Documents Department

Anti-Oscillating Attachment for Street-Cars.

Description: Patent for an improved anti-oscillating attachment for street-cars. It has a car truck, equalizing pivoting bars secured between the truck ends, cushions on either side of the bars, adjustable bolts that hold the bars in place, and springs between the bolts.
Date: July 10, 1894
Creator: Chollar, Benjamin F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolly Catcher.

Description: Patent for simple and inexpensive devices for tripping the trolley pole of an electric car by automatically releasing the tension of the maintaining springs which hold the trolley pole in operative position, so that the trolley pole will drop downwardly shortly after it is displaced from under the trolley wheel and not rise up and break the suspension devices.
Date: November 10, 1912
Creator: Reames, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Recording Apparatus for Vehicles.

Description: Patent for an improved automatic passenger register and mileage recorder for vehicles that travel on rails. It consists of a roller that is actives by a time motor, a strip that the roller moves, a pressure roller, a pair of rollers that a record sheet is wound between, a mechanism that controls movements of the pair of rollers, electromagnets that are connected to the seats, armature levers that mark the electromagnets current, a bell crank lever that marks the moving record sheet, and a sprin… more
Date: October 10, 1893
Creator: Baade, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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