Patents by Inventor Shian MacLean

Shian MacLean has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5538318
    Abstract: A pack frame that is convertible to a chair, having a generally rectangular shaped back section which has fittings that allow a back pack to be attached to it, and a generally rectangular shaped seat section pivotally connected to the back section. The seat section has a rigid frame at the sides and back but not at the front. The back and seat sections have fabric or plastic panels attached to each respectively that form the back and seat of the chair. A front leg section and a rear leg section are each pivotally connected to the seat section. Two adjustable shoulder straps are each attached at one end to a cross member connecting the left front leg and the right front leg at a point below the front of the chair seat and the shoulder straps are connected at the other end to the lower portion of the rear leg member of the chair. When the invention is folded into position for use as a pack frame, retaining clips hold the front and rear legs together.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: July 23, 1996
    Inventor: Shian MacLean
  • Patent number: 5536064
    Abstract: A pack frame that is convertible to a chair, having a generally rectangular shaped back section which has fittings that allow a back pack to be attached to it, and a generally rectangular shaped seat section pivotally connected to the back section. The back and seat sections have fabric or plastic panels attached to each respectively that form the back and seat of the chair. Two adjustable shoulder straps are each attached at one end to the front of the chair seat and at the other end to the lower portion of the rear leg member of the chair. A padded hip belt is attached to the front leg member. Back pads are attached to the bottom of the seat section and to the front leg section, and the back pads extend approximately one inch or more from the bottom of the seat section and the front of the front leg section, respectively, whereby the folding chair is held away from the user's body so that only the padded shoulder straps, the back pads, and a padded hip belt come in contact with the user's body.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: July 16, 1996
    Inventor: Shian MacLean
  • Patent number: 5527088
    Abstract: A pack frame that is convertible to a chair, having a generally rectangular shaped back section which has fittings that allow a back pack to be attached to it, and a generally rectangular shaped seat section pivotally connected to the back section. The back and seat sections have fabric or plastic panels attached to each respectively that form the back and seat of the chair. Two adjustable shoulder straps are each attached at one end to the front of the chair seat and at the other end to the lower portion of the rear leg member of the chair. When the invention is folded into position for use as a pack frame, the member that forms the front of the chair seat pivots and hooks or latches into the back of the chair, locking the device into a rigid pack frame, and retaining clips hold the front and rear legs together. All horizontal cross members are shaped to curve away from the user's body when the invention is used as a pack frame, for the comfort of the user.
    Type: Grant
    Filed: February 22, 1995
    Date of Patent: June 18, 1996
    Inventor: Shian MacLean