| Compact articulated work vehicle -> Monitor Keywords |
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  Compact articulated work vehicleRelated Patent Categories: Earth Working, Propulsion Unit Guided By Walking Attendant Or Part Of Articulated VehicleThe Patent Description & Claims data below is from USPTO Patent Application 20070131437. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application claims priority of U.S. Provisional Patent Application No. 60/750,419, filed Dec. 13, 2005, the contents of which are incorporated fully herein by reference. FIELD OF THE INVENTION [0002] The present invention relates to the field of outdoor equipment machines and more particularly to stand-up, ride-on articulated construction equipment. SUMMARY OF THE INVENTION [0003] One aspect of the present invention is directed to a work vehicle. The work vehicle comprises a base unit, a chassis, and a trencher assembly. The base unit has a first and second end, and comprises a platform and a plurality of ground drive members. The platform extends from the first end of the base unit, and is adapted to support a standing operator. The ground drive members are positioned between the platform and the second end of the base unit. The chassis comprises at least one ground support member and is pivotally connected to the second end of the base unit. The chassis is pivotal about a substantially vertical axis. The trencher assembly comprises a trencher boom and is operatively connected to the chassis. The trencher boom is adapted to pivot about a substantially horizontal axis. [0004] Another aspect of the present invention is directed to an articulated work vehicle. The work vehicle comprises a base unit, an operator station, an articulation joint, and an equipment chassis. The base unit has a front and back end, and comprises a power unit and at least one ground drive member. The power unit is adapted to power the work vehicle. The ground drive member is powered by the power unit and adapted to provide mobility to the work vehicle. The operator station extends from the back end of the base unit, and is adapted to allow operation of the vehicle while walking behind or standing on the vehicle. The articulation joint comprises a work attachment plate and a pivot attachment. The pivot attachment is operatively connected to the front end of the base unit such that the articulation joint is pivotally connected about a substantially vertical axis to the base unit. The equipment chassis is removably attachable to the work attachment plate of the articulation joint. The equipment chassis comprises at least one ground support member. The ground support member is adapted to provide mobility and support to the equipment chassis and the base unit. [0005] Yet another aspect of the present invention is directed to a base unit adapted for connection to an equipment chassis. The equipment chassis comprises at least one ground support member adapted to provide mobility and support to the base unit and the equipment chassis. The base unit comprises a stand-on operating platform, at least one ground drive member, and an articulation joint. The operating platform extends from a first end of the base unit. The ground drive member is adapted to provide support and mobility to the base unit. The articulation joint comprises a work attachment plate and a pivot attachment. The pivot attachment is operatively connected to a second end of the base unit such that the articulation joint is pivotally connected about a substantially vertical axis to the base unit. The work attachment plate is adapted for attachment to the equipment chassis. BRIEF DESCRIPTION OF THE DRAWINGS [0006] FIG. 1 is a cut-away perspective view of a substructure of a tool carrier comprising a base unit, an articulation joint, and one of a plurality of interchangeable equipment chassis in accordance with the present invention. [0007] FIG. 2 is a perspective view of a tool carrier comprising a trencher assembly. [0008] FIG. 3 is a perspective view of a tracked tool carrier with a universal equipment chassis. [0009] FIG. 4 is a perspective view of the tool carrier of FIG. 3 with tires on the equipment chassis. [0010] FIG. 5 is a flow chart of various embodiments of a tool carrier in accordance with the present invention. [0011] FIG. 6 is a perspective view of a tool carrier having a dedicated mower attachment. [0012] FIG. 7 is a perspective view of a tool carrier having a dedicated vibratory plow attachment. [0013] FIG. 8 is a perspective view of a tool carrier having a dedicated compacting roller attachment. [0014] FIG. 9 is a perspective view of a tool carrier having a dedicated lift arm attachment adapted to receive interchangeable equipment. [0015] FIG. 10 is a cut-away perspective view of a tool carrier having a base unit, an articulation joint, and one of a plurality of universal chassis. [0016] FIG. 11 is a perspective view of a tool carrier with a universal equipment chassis and an attached cutter wheel. [0017] FIG. 12 is a perspective view of a tool carrier with a universal equipment chassis and an attached dump box. [0018] FIG. 13 is a perspective view of a tool carrier with a universal equipment chassis and an attached excavator. [0019] FIG. 14 is a perspective view of a tool carrier with a universal equipment chassis and an attached lift arm adapted for use with interchangeable attachments. DETAILED DESCRIPTION OF THE INVENTION Continue reading... Full patent description for Compact articulated work vehicle Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Compact articulated work vehicle patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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