Land vehicles – Wheeled – Running gear
Patent
1977-08-08
1980-01-15
Silverstrim, John P.
Land vehicles
Wheeled
Running gear
37126R, 180 75, 180 891, 180 88, 280481, 280796, B62D 2500
Patent
active
041835514
ABSTRACT:
A push frame assembly for a scraper bowl is provided with a tubular structural member extending between, and being rigidly fastened directly to, the side walls of the push frame. A push block and a spreader tube are, likewise, connected between the side walls to produce a relatively rigid frame assembly. In one form of the invention, the tubular structural member has a transverse sleeve therethrough through which an ejector cylinder passes, while in another form of the invention, the tubular structural member has provision for receiving a differential and has reinforced mounts on the one side thereof for connection of ejector cylinders thereto. A method of making a push frame assembly is provided wherein a pair of side walls are fastened directly to a tubular member with a spreader tube and a push block framework connected to the side walls to produce a stronger push frame assembly.
REFERENCES:
patent: 2280696 (1942-04-01), French
patent: 2368196 (1945-01-01), Brodersen
patent: 3462859 (1969-08-01), Hawk
patent: 3465458 (1969-09-01), Wagner
patent: 3471952 (1969-10-01), Peterson
patent: 3962804 (1976-06-01), Hyler
Fisher George A.
Mason Gary E.
Caterpillar Tractor Co.
Silverstrim John P.
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