Motor vehicles – Power – Electric
Reexamination Certificate
2004-09-23
2009-11-03
Ellis, Christopher P (Department: 3618)
Motor vehicles
Power
Electric
C180S065100, C187S222000, C187S231000
Reexamination Certificate
active
07610977
ABSTRACT:
A lift truck is provided comprising: a power unit assembly comprising a power unit base, a wheel coupled to the base, and a system for driving the wheel; and a main frame assembly detachably connected to the power unit assembly. The main frame assembly comprises a main frame base, a mast assembly coupled to the main frame base, a carriage assembly coupled to the mast assembly, and hydraulic drive apparatus coupled to the mast assembly. Preferably, substantially the entirety of the hydraulic drive apparatus is provided on the main frame assembly such that the main frame assembly is detachable from the power unit assembly without requiring disconnecting hydraulic connections to the power unit assembly.
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Philippe Becamel and M. Masset; International Preliminary Report on Patentability; International Application No. PCT/US2005/033899; Mar. 27, 2007; International Bureau of WIPO; Geneva Switzerland.
Kluver Leroy M.
Kuck Jay L.
Coolman Vaughn T
Crown Equipment Corporation
Ellis Christopher P
Stevens & Showalter LLP
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