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Steerable wheeled pushcart

  • US 4,765,636 A
  • Filed: 12/18/1986
  • Issued: 08/23/1988
  • Est. Priority Date: 05/07/1986
  • Status: Expired due to Fees
First Claim
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1. A steerable wheeled pushcart, which comprises a body, at least two wheels rotatably mounted on said body and positioned to support said body on a surface, said wheels having a fixed orientation with respect to said body, a handle having a first end with means for applying rotating force to said handle, said handle having a second end at an angle to the first end, the second end of said handle being rotatably attached to said body, said handle having a lever arm extending from the second end of said handle, said pushcart additionally comprising opposing springs connected between the lever arm and a support fixed with respect to said opposing springs, said pushcart additionally comprising a pair of front wheels rotatably and pivotally mounted on said body, said handle being rotatably attached to said body by a steering mechanism, said steering mechanism being pivotally attached to said body for movement about an axis normal to a longitudinal axis of said body, said pair of front wheels being pivotally responsive to movement of said body produced by rotation of said handle when said pair of front wheels rests on a supporting surface.

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