G - Physics – 02 – B
Patent
G - Physics
02
B
88/7
G02B 27/02 (2006.01) G03B 23/02 (2006.01) G09F 11/30 (2006.01)
Patent
CA 1107103
Abstract A picture viewer for a pile of pictures is disclosed which comprises enclosure 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 at one end disposed at said one end of the compartment and adjacent the window. A pressure means is provided on the enclosure means and confronting the window at the compartment to press the pile of pictures against the viewing window. A picture changing mechanism is provided adjacent the picture compartment for removing an individual picture from one end of the pile and returning the individual picture to the other end of the pile in response to such relative obverse and reverse movement of the frame and slider to present a new picture at the window for display. The picture changing mechanism includes a pile transporter and an individual picture transporter, one of the transporters being connected with the frame and movable therewith and the other of the transporters being connected with the slider and movable therewith, the pile transporter being disposed at one side of the compartment to engage one side of the pile of pictures, the picture transporter being disposed at one end of the compartment to engage such an individual picture at the corresponding end of the pile of pictures, the transporters producing relative movement of the pile of pictures and of the individual picture during changing of the picture at the window. A disabling device acts on the pressure means to alternately effect relief and application of pressure on the pile of pictures during operation of the picture changing mechanism to facilitate the change of pictures.
311561
Fetherstonhaugh & Co.
Licinvest Ag
LandOfFree
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