Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent
1976-03-17
1977-10-11
Eickholt, E. H.
Excavating
Snow or ice removing or grooming by portable device
Railway clearer
180 43R, 180 52, 280 95R, E02F 362
Patent
active
040528049
ABSTRACT:
A scraper comprises a front frame having an operator's station mounted forwardly thereon. A generally vertically disposed suspension cylinder is pivotally interconnected between the front frame and each one of a pair of front roadwheels for permitting the roadwheels to pivot in a horizontal plane for steering purposes. A steering linkage is pivotally interconnected between the front frame and the roadwheels to effect such steering. A rear frame, having a scraper bowl secured thereon, is mounted on a pair of rear roadwheels. A pair of draft arms, disposed on either side of the scraper bowl, are pivotally interconnected directly to the scraper bowl and to the front frame along with a lift cylinder for selectively raising and lowering the scraper bowl relative to the front frame.
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Caterpillar Tractor Co.
Eickholt E. H.
LandOfFree
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