Caterpillar-Tractor.
Description:
Patent for 1) a mechanism preventing the Caterpillar tractor's driving element from becoming clogged with mud; 2) a mechanism to regulate the force put on the wheels in relation to the weight of the tractor's load; 3) a mechanism to allow this regulation of force in relation the weight of the tractor's load to be manually adjustable; 4) a construction improvement to allow the tractor to be turned in a relatively short radius, including illustrations.
Date:
May 7, 1918
Creator:
Rountree, Joseph G.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department