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US 6,827,164 B2Granted
Industrial truck
OwnerAnthony J. Palumbo, Richard A. Hallett +1inventors
InventorsAnthony J. Palumbo, Richard A. Hallett, Jeffrey T. Major
Life of this patent
Estimating the term…
Abstract
An industrial truck having a drive portion including wheels being connected to an electric motor being connected to a power source and a trailer portion having wheels. The industrial truck includes a steering system positioned on the drive portion connected to the trailer portion to provide articulated steering of the industrial truck. The industrial truck further including a control device to vary the speed of the motor to vary the speed of the industrial truck.
Claims20
An industrial truck comprising:
- a drive portion having a motor being operatively connected to a welder having a generator and an engine;
- a control device operatively connected to said motor, said generator and said engine having an engine throttle control solenoid and a potentiometer to vary voltage output of said generator, said control device having an electrical protection circuit having a series diode to protect against reverse polarity and a voltage sensing circuit to limit said voltage output above a preset limit;
- a trailer portion for supporting said welder, said drive portion being pivotally connected to said trailer portion;
- and
- a steering system positioned on said drive portion being operatively connected to said trailer portion, said steering system having a steering device operatively connected to an inline gearbox operatively connected to a first bell crank operatively connected to a pair of steering rods operatively connected to a second bell crank positioned on said trailer portion to provide articulated steering for said industrial truck.
2 more elements
Dependencies are inferred from the claim text.