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Picture viewer

  • US 4,259,802 A
  • Filed: 09/18/1978
  • Issued: 04/07/1981
  • Est. Priority Date: 09/20/1977
  • Status: Expired due to Term
First Claim
Patent Images

1. A picture viewer for a pile of pictures, comprisingenclosure means including a frame defining a viewing window and a slider reciprocably mounted on the frame, the frame and slider having relative obverse and reverse sliding movements in opposite directions along the window, the enclosure means also defining a picture compartment having one end adjacent the window to contain a pile of pictures with a picture on one end of the pile disposed at said one end of the compartment and adjacent the window,a picture-changing mechanism in the enclosure means and operatively connected with the frame and slider for transporting an individual picture from a first end of the pile and returning said individual picture to the second end of the pile in response to the relative obverse and reverse sliding movements of the frame and slider, andthe picture changing mechanism including an individual picture transporting means and a pile transporting means, one of the transporting means being connected with the frame and movable therewith and the other of the transporting means being connected with the slider and movable therewith, the pile transporting means being disposed at one side of the compartment to engage one side of the pile of pictures, the individual picture transporting means having portions thereof disposed at one end of the compartment to engage said individual picture at the corresponding end of the pile and cooperating with the pile transporting means to change the picture at the window in response to such relative obverse and reverse sliding movements of the frame and slider, and said picture changing mechanism further including surface retentive means having picture surface engaging means spaced from a side of the compartment for engaging the face of the picture and the picture surface engaging means effecting a gripping relation with the face of the individual picture to effect relative movement between the individual picture and the pile, the surface retentive means being movable relative to the pile with the surface engaging means in engagement with the face of said individual picture opposite the pile in response to said relative movement between frame and slider whereby said individual picture is loosened from the pile.

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