Motor vehicles – Special driving device – Portable track
Reexamination Certificate
2006-08-25
2009-08-11
Boehler, Anne Marie M (Department: 3611)
Motor vehicles
Special driving device
Portable track
C305S132000, C305S139000
Reexamination Certificate
active
07571783
ABSTRACT:
Disclosed is a mounting structure of a carrier roller that can decrease vibration occurred in an endless track chain assembly because a location of a carrier roller installed on a lower frame can be controlled. According to the present invention, the mounting structure of the carrier roller is a mounting structure of a carrier roller installed on a lower frame for supporting an upper side of an endless track chain assembly. Further, the mounting structure of the carrier roller includes a mounting part installed on the lower frame, a support part coupled to the mounting part so as to enable its location to be controlled, and a carrier roller coupled to the support part for supporting the endless track chain assembly.
REFERENCES:
patent: 2189160 (1940-02-01), Baker et al.
patent: 2005/0145422 (2005-07-01), Loegering et al.
patent: 09-104372 (1997-04-01), None
Patent Abstracts of Japan of JP 09-104372 dated Apr. 22, 1997.
Lee Jin Woo
Park Kyung Hyun
Boehler Anne Marie M
Ladas & Parry LLP
Volvo Construction Equipment + Holding Sweden AB
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