×

Multi-terrain amphibious vehicle

  • US 5,881,831 A
  • Filed: 05/16/1997
  • Issued: 03/16/1999
  • Est. Priority Date: 05/16/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A multi-terrain amphibious vehicle adapted for travel across a surfaces comprising:

  • (a) a chassis assembly extending in a longitudinal direction;

    (b) a plurality of propulsion members disposed in longitudinally spaced pairs, each said pair of propulsion members being respectively disposed on two opposing sides of said chassis assembly and rotatably coupled to said chassis assembly for propelling said vehicle across the surface, each of said propulsion members being rotatable about a rotation axis extending in a direction substantially normal to said longitudinal direction and having a substantially non-circular contour, each said propulsion member having coaxially disposed in angularly offset manner about said rotation axis at least a first perimeter segment and a second perimeter segment for engaging the surface, said first perimeter segment having an arcuate contour and extending radially farther from said rotation axis than said second perimeter segment; and

    ,(c) control means coupled to said plurality of said propulsion members for altering traction of said vehicle, said control means including means for adjusting and maintaining a phase of one propulsion member relative to another throughout a revolution thereof for cooperatively rotating said plurality of propulsion members to collectively impart a predetermined speed and direction of travel to said vehicle over different terrains.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×