Wheel substitutes for land vehicles – Endless belt having nonmetallic track or tread – Track formed of endless flexible belt
Reexamination Certificate
2005-07-05
2005-07-05
Jules, Frantz F. (Department: 3617)
Wheel substitutes for land vehicles
Endless belt having nonmetallic track or tread
Track formed of endless flexible belt
C305S171000, C305S165000
Reexamination Certificate
active
06913330
ABSTRACT:
An endless track includes an iron link belt, a continuous pad, and a connecting device. The iron link belt includes a link unit assembly constructed of a plurality of link units connected to each other. Each link unit includes a pair of links. The iron link belt may include a plate welded to the pair of links and extending perpendicularly to a direction in which the link unit assembly extends. The continuous pad includes the same number of core metal plates as that of the link units and a single urethane rubber belt covering and being attached to a ground opposing surface of each of the core metal plates. The urethane rubber belt extends continuously over all of the core metal plates. The urethane rubber belt may include a small thickness portion positioned between two adjacent core metal plates. The connecting device connects the iron link belt and the continuous pad.
REFERENCES:
patent: 2936196 (1960-05-01), Mercel et al.
patent: 6170925 (2001-01-01), Ono
patent: 6520603 (2003-02-01), Shimada et al.
patent: 2 229 410 (1990-09-01), None
patent: 06316280 (1994-11-01), None
Niitsu Hirokatsu
Niwa Kiyokazu
Ohara Masaki
Takagi Makoto
Takeno Hiroyuki
Jules Frantz F.
Pillsbury & Winthrop LLP
Topy Kogyo Kabushiki Kaisha
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