UNT Libraries Government Documents Department - 2 Matching Results
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- Bridge.
- Patent for "a simplified and cheapened construction of bridge whereby the weight and strain will be more equally divided and the braces so arranged that expansion and contraction laterally are avoided, while permitting of the necessary expansion and contraction longitudinally of the bridge." (Lines 13-20) Includes instructions and illustrations.
- Lifting Device.
- Patent for "lifting devices, and particularly to the mechanism adapted for use as a stump-puller and for elevating heavy weights, the object in view being to provide a simple and efficient construction and arrangement of parts whereby sufficient power for elevating heavy weights may be communicated to a rotary shaft or drum, and whereby the means communicating motion to the drum may be moved out of operative position and a brake simultaneously applied in order to relieve the operating-lever from strain when the mechanism is at rest." (Lines 8-20) Includes instructions and illustrations.