Motor vehicles – Special driving device – Portable track
Reexamination Certificate
2007-09-11
2007-09-11
Morris, Lesley D. (Department: 3611)
Motor vehicles
Special driving device
Portable track
C305S116000, C305S185000, C305S193000
Reexamination Certificate
active
11157378
ABSTRACT:
The invention relates to an undercarriage, preferably for a crawler-mounted crane, comprising a crawler track which runs on a crawler carrier and which consists of base plates articulatedly connected to one another, with cams being formed on the base plates which laterally center the crawler track under the rollers, wherein two metal guide sheets which extend substantially over the length of the crawler carrier and which are engaged behind by holding plates arranged at the base plates of the crawler tracks are laterally arranged at the lower carriage of the crawler carrier.
REFERENCES:
patent: 5096270 (1992-03-01), Oilund et al.
patent: 5104205 (1992-04-01), Motomura et al.
patent: 1209455 (1966-01-01), None
patent: 29623183 (1997-12-01), None
Arce-Diaz Marlon
Dilworth & Barrese LLP
Liebherr-Werk Ehingen GmbH
Morris Lesley D.
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