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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.
Item Type: Refine your search to only Patent
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

Station-Indicator.

Description: Patent for a station-indicator for trolley cars meant to "produce an automatic apparatus of this kind which is worked by the movement of the car and in which a map is employed, which is moved in such a way that the various points at which the car stops will always be correctly indicated" (lines 13-18).
Date: June 12, 1894
Creator: Baker, Artemas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley

Description: Patent for a trolley that has a secure connection to the trolley line.
Date: July 4, 1911
Creator: Irwin, Walter W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley-Pole Head.

Description: Patent for improvements in trolley-pole heads in which a good contact may established at all time between the wheel and the trolley-wire. Illustration is included.
Date: May 17, 1904
Creator: Dunn, Robert I. E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolly Wheel and Harp.

Description: Patent for trolley wheels, where "the transmission of the current through the wheel to the harp is maintained at the maximum and the necessary wear of the relatively movable parts reduced to a minimum" (lines 11-15).
Date: May 7, 1912
Creator: Neighbour, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley Wire Finder

Description: Patent for a trolley wire finder. This invention to improvements in trolley-wire finders, and more particularly to its attachment to trolley-poles and trolley-harps as a means of assistance in guiding the trolley wheel has been shifted from or slipped off said trolley-wire and is of advantage as a means of saving time." (8-16). Illustration included.
Date: March 8, 1904
Creator: Barnhusrt, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Switch.

Description: Patent for a switch for trolley lines that can be triggered from inside the trolley car.
Date: December 12, 1911
Creator: Torrence, Otis M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Speed-Recorder.

Description: Patent for an improvement in speed-recorders or device meant especially for street-cars, meant to protect the streets from reckless driving. The machine punches tape, recording the time the trolly takes to travel each block and how long the trolly takes at each stop.
Date: May 5, 1896
Creator: Spence, James, Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Speed-Indicator.

Description: Patent for a speed-indicator to be used on trolly-cars and other vehicles that informs anyone looking behind the trolly-car if that car is speeding or not. An alarm goes off when the car goes above a predetermined speed, which is activated by a governor that is controlled from the wheels. A device keeps the signal normal.
Date: July 7, 1896
Creator: Bateman, Talbot Owens
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley.

Description: Patent for a trolley-wheel mechanism for electric trolley cars connected to wires. The trolley-wheel is designed to allow a degree of movement while maintaining stability.
Date: August 18, 1903
Creator: Seastrunk, Thomas P. & Archer, James P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley-Pole.

Description: Patent for a trolley pole, which attaches easily to the wire and can be placed on it by the operator without him leaving his station on the trolley.
Date: March 16, 1909
Creator: Barr, George T., Sr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley-Harp.

Description: Patent for improvements to the efficiency of trolley harps by changing how the currents that power "overhead type electric car systems" (lines 13-14) are conducted.
Date: May 15, 1917
Creator: Carmack, James H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley-Wire Holder

Description: Patent for a trolley wire holder that prevents the trolley wheel from coming off the overhead conductor line and automatically releases the trolley wheel from the conductor line when the trolley car arm is pulled down from the conductor line.
Date: April 9, 1907
Creator: La Bauve, Valcoure J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley-Pole.

Description: Patent for trolley-poles for electric cars which provides "a simple, inexpensive, and highly efficient trolley-wire finder, and one which is readily applicable to trolley-poles such as at present in use and is adapted to be quickly and easily raised to an operative position and when released is adapted to gravitate to a position below and out of the way of the trolley-wire" (lines 15-22).
Date: December 11, 1900
Creator: Schroeter, William & Kautzmann, August
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley-Wheel

Description: Patent for a trolley wheel and a mechanism for keeping the wheel on the trolley wire. Illustrations included.
Date: April 16, 1912
Creator: Schultze, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley Mechanism.

Description: Patent for a trolley mechanism that is a pivoting "yoke adapted to normally follow being swerved out of line when the car is going around curve of the trolley wire; to prevent catching on cross-wires in case the trolley wheel should leave the line-wire; and to adjust the amount of pivotal action of said yoke with regard to the trolley pole" (lines 13-20).
Date: November 21, 1893
Creator: Fuller, James T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley-Catcher.

Description: Patent for a simple and efficient trolley pole that can be "dropped to a position of safety when the trolley wheel leaves the wire, whereby the pole is prevented from coming in contact with the supports of the trolley wire, the feeders, &c." (lines 10-14). The pole is easily re-engaged.
Date: October 30, 1894
Creator: Cobb, Woodson D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Motor for Street-Cars.

Description: Patent for an improved motor design for street-cars in which each car has its own motor. The motor is steam powered.
Date: March 12, 1895
Creator: Slaughter, Joel C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trolley-Finder.

Description: Patent for a simple, durable, and easily constructed trolley guide that can be easily attached to an above or below ground trolley that is already in use.
Date: June 25, 1895
Creator: Taylor, James P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Street-Car.

Description: Patent for improving the construction of street cars which turn upon the truck. Accompanied by illustrations.
Date: December 29, 1885
Creator: Cutter, Martin A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway-Tie.

Description: Patent for a composite railway tie that is durable and adjustable and can be used for both trolley and steam rail systems.
Date: April 23, 1912
Creator: Ogden, James D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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