4 Matching Results

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Adjustable Device for Dressing Down Bearings (open access)

Adjustable Device for Dressing Down Bearings

Patent for a tool that dresses down bearings. Railroad engine journals and their corresponding bearings show wear over time. When replacing bearings into such a journal, without adaptation of the bearing there will be an improper fit, resulting in "hot journals" or "hot boxes". This tool adapts a bearing to a proper fit for the journal into which it will be installed.
Date: December 12, 1922
Creator: Mitchell, William A.
System: The Portal to Texas History
Drill Bit and Sample Taking Device (open access)

Drill Bit and Sample Taking Device

Patent for
Date: December 5, 1922
Creator: Humason, Granville A. & Barraco, Paul J.
System: The Portal to Texas History
Excavating Bucket. (open access)

Excavating Bucket.

Patent for an "excavating bucket designed for use in connection with an excavating machine" (lines 10-12).
Date: December 5, 1922
Creator: Dyke, Samuel
System: The Portal to Texas History
Nutcracker. (open access)

Nutcracker.

Patent for nutcracker using lever-activation to increase the leverage while nut cracking, including instructions and illustrations
Date: December 5, 1922
Creator: Pitman, Henry M.
System: The Portal to Texas History