4 Matching Results

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in subjects: "automatic gates"  
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Gate

Description: Patent for gate that uses a lever mechanism for operation while seated in a vehicle or on horseback. This invention allows the user to open and close the gate while seated. Illustration included.
Date: October 16, 1906
Creator: Baker, Guilford D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for a gate. This invention is "especially directed to gates which are adapted to swing downward form a vertical to a horizontal position and lie flush with the surface of the ground." (line 7-11) It is designed to allow the wheels of vehicles to move the gate. Illustrations included.
Date: July 14, 1903
Creator: Terry, Hiram
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for an automatic gate at railroad crossings, adaptable for use in "farm gates and automatic gates for carriage roads" (page 1, lines 11-12) using "an inclined cam disk, of a spring actuated lever" (page 4, lines 27-28), trip devices, and a bell or other signal, with illustrations.
Date: January 24, 1893
Creator: Neeb, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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