Motor vehicles – With means for controlling operation responsive to...
Reexamination Certificate
2003-08-11
2008-08-26
Ellis, Christopher (Department: 3618)
Motor vehicles
With means for controlling operation responsive to...
C056S016700, C056S012700, C056S013600, C056S014500, C056S017600, C056S255000, C056S289000, C056S297000, C056SDIG017
Reexamination Certificate
active
07416040
ABSTRACT:
Travelling device (20) particularly for self-propelled mower comprises a frame (1) provided with several identical travelling units (21) arranged on its circumference. Each travelling unit (21) comprises a flexibly suspended travelling wheel 92) rotating on its horizontal and vertical axes. A motor unit (3) with a driving shaft (13) is arranged on said frame (1) for driving a working device and said travelling wheels (2). Said travelling wheels (2) are arranged in said travelling units (21) turnably on vertical axis in an unlimited angular range of 360°.
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Ellis Christopher
Ladas and Parry LLP
Meyer Jacob
LandOfFree
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