Motor vehicles – Special driving device – Portable track
Patent
1997-01-14
1999-07-27
Swann, J J
Motor vehicles
Special driving device
Portable track
180 946, 305116, 305143, B62D 5500
Patent
active
059274123
ABSTRACT:
Track sub-assembly having a castering swing link for supporting a primary idler spindle, the swing link having an upper bore for accepting a first connecting pin and a lower bore for accepting a second connecting pin to define a pivot line, and an offset idler bore offset from the pivot line permitting castering of the primary idler in response to externally imposed force vectors, with self-alignment of the primary idler to its proper tracking position.
REFERENCES:
patent: 2011564 (1935-08-01), Barnes
patent: 3275386 (1966-09-01), Bexten
patent: 4361363 (1982-11-01), Livesay
patent: 5368115 (1994-11-01), Crabb
patent: 5373909 (1994-12-01), Dow et al.
Caterpillar Inc.
Dunn David R.
Swann J J
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