Floor suspension system

Land vehicles – Wheeled – Extensible

Reexamination Certificate

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Details

C280S006150, C280S006156, C016S01800R, C016S033000

Reexamination Certificate

active

11167896

ABSTRACT:
A caster suspension system that employs a linkage between the two casters constraining one to rise when the other falls while keeping moment internal to the system such that there is no tipping of the load carried by the caster suspension system.

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patent: 5903956 (1999-05-01), Theising
patent: 6454286 (2002-09-01), Hosino
patent: 6809323 (2004-10-01), Hazelton
patent: 6929270 (2005-08-01), Flagstad et al.

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