UNT Libraries Government Documents Department - 7 Matching Results

Search Results

Car-Wheel Lubricator.
Patent for a car-wheel lubricator that can be easily used while the wheels are moving or still, and does not waste lubrication. It attaches to two railway wheels.
Cattle-Guard.
Patent for a simple and inexpensive cattle-guard that has comprising rollers which can be independently and easily replaced. The bars that hold the rollers can also be easily removed.
Cattle-Guard for Railroads.
Patent for a cattle-guard for railroads that is "a series of plates or slates mounted with the capability of partial or complete rotation on axes substantially parallel with the rails and between the said rails and on either side of the track so as to span the road bed or space between the ends of the fence" (lines 25-31). The plates have longitudinal flanges with serrated edges.When the cattle step on the guard, they will experience pain and avoid the spot.
Combined Shoot-Board and Squaring-Box.
Patent for a combined shoot-board and squaring-box meant to square and shave "the edges of stereotype and other printing plates; ant to this end the invention contemplates a device of this character that will be of an exceedingly simple and comparatively inexpensive construction, while at the same time providing for an easy and accurate manipulation of the plates being operated upon" (lines 10-17).
Device for the Protection of Vessels.
Patent for a device that protects boats and consists of supporting plates, two of which are firmly secured to the side of the boat, springs between the supporting plates, and chains that limit the movement of supporting plates.
Mosquito-Net Frame.
Patent for a mosquito-net frame that can support a tester, but does not require one to operate. The net can be draped over a bed and moved out of the way again without interfering with the tester.
Switch-Operating Mechanism.
Patent for a switch-operating mechanism than "may be changed quickly and positively from a moving car" (lines 15-16).
Back to Top of Screen