UNT Libraries Government Documents Department - 5 Matching Results

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Elevator.

Description: Patent for a new and improved design of elevators "for the purpose of preventing accidents" (lines 26-27) by locking the entrance doors while the elevator is moving, including illustrations. It is designed to be used by passengers but can also be adapted to be used as a freight elevator.
Date: November 23, 1920
Creator: Williams, George M.

Gate-Latch.

Description: Patent for a gate-latch that latches closed with extension of the gate, but allows the gate to open by elevating said latch.
Date: November 23, 1920
Creator: Bramblett, Benjamin F.

Mud-Guard.

Description: Patent for a mud guard for bicycles, which can be folded out of the way when not in use.
Date: November 23, 1909
Creator: Chisholm, Walter J.

Potato Screening and Sorting Machine.

Description: Patent for "new and useful Improvements in Potato Screening and Sorting Machines" (lines 6-8). "This invention relates to potato screening and sorting machines, and has for one of its objects the provision of a machine of this character, which is simple in construction, efficient in operation, and which can be manufactured at a nominal cost" (lines 13-18).
Date: November 23, 1915
Creator: Harris, Thomas Sanders & Morgan, Joseph Penell

Sliding Caster

Description: Patent for improvements to furniture sliding casters for protecting the furniture, as well as floors and carpets when moving furniture. Improvements include caster prongs "which are set back from the outer margin of the caster so as not to split or mutilate the [furniture] leg" (lines 23-25) and casters that are "easily casted or stamped out from sheet metal [ . . . ] which therefore may be cheaply and easily manufactured" (lines 29-32).
Date: November 23, 1920
Creator: Preston, Charles L.
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