UNT Libraries Government Documents Department - 4 Matching Results

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Check-Punch.
Patent for a simple, inexpensive, and compact check-punch that can be operated by one hand and doesn't take much power to operate. The machine consists of two movable members, "one of which carries all of the male and the other all of the female dies, said members being so related that when moved relatively to each other in one direction all the male dies move as a single member...and enter the female dies, and when moved in the opposite direction all of said male dies are withdrawn" (lines 12-20).
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).
Electromagnetic Ore-Separator.
Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Frame for Jaw Crushers
Patent for "new and useful Improvements in frames for Jaw-Crushers (lines 8-9) including illustrations.
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