Motor vehicles – Special driving device – Portable track
Patent
1982-01-25
1984-02-14
Peters, Jr., Joseph F.
Motor vehicles
Special driving device
Portable track
180DIG2, B62D 5510
Patent
active
044310749
ABSTRACT:
A construction for a crane carbody and lower axle construction which permits use of either fixed or adjustable length axles with common tread members and carbodies, each of the tread members having sockets and a pair of adjustable length axles, each axle having a pair of side by side hydraulic rams, defining an offset therebetween connected to axle beams engageable with and secured to said sockets. A pair of fixed length axles, each having beam ends which are out of alignment by an amount equal to said offset so that the fixed and adjustable length axles are interchangeable.
REFERENCES:
patent: 2074685 (1937-03-01), Engstrom
patent: 2763330 (1956-09-01), Potter
patent: 3749193 (1973-07-01), Blase et al.
patent: 3820616 (1974-06-01), Juergens
FMC Corporation
Fugate D. Lynn
Kamp Ronald C.
Megley Richard B.
Peters Jr. Joseph F.
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