UNT Libraries Government Documents Department - 3 Matching Results

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Journal-Bearing.
Patent for a journal-bearing that has an open spring ring that contains the journal and antifriciton devices in its center. The spring ring contracts to its minimum circumference when the journal and antifriciton devices are worn out. There is also a bearing-ring seat that allows contractions "without altering the disposition of the load" (lines 61-62).
Manifold-Writing Tablet.
Patent for writing platform which allows for the creation of carbon copies.
Wick Material (Illinois Patent).
Patent for wick material, "composed of raw fibrous matter in layers or slivers in adhesive substance" (lines 16-17).
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