Card – picture – or sign exhibiting – Display card – Having a curved display panel
Patent
1987-06-11
1989-01-17
Lazarus, Ira S.
Card, picture, or sign exhibiting
Display card
Having a curved display panel
40513, 248455, G09F 112
Patent
active
047980150
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a container for a pile of pictures, that is to say a pile of substantially rectangular pictures of like format, especially photographic prints. It comprises a housing provided with a viewing window and a slider member that can be pulled out of the housing parallel to the plane of the viewing window. Hinged to the housing, opposite the viewing window, is a stand which can be folded out or folded away to allow the container to be used alternatively also as a standing frame.
A container of this type is known from U.S. Pat. No. 4,376,348. In the known container there is provision for the pile to be rearranged cyclically by pulling the slider member out of the housing and pushing it back into the housing again, for which purpose a change mechanism is accommodated in the container. The stand for the known container is approximately L-shaped and snaps into the housing base by means of two hinges provided at the ends of the legs of the L. The means for arresting this stand in the folded-out position is also provided in the region of the hinges.
It may happen that for structural reasons associated with the change mechanism the corners of the housing base are not available for the hinges. The hinge or hinges for the stand then have to be located further towards the middle of the housing base, with the result that the stand becomes shorter. In order to ensure the same stability for the frame, a shorter stand has, in turn, to be folded out from the folded-away position at a greater angle and retained in the folded-out position. On the other hand, the container is also intended to be suitable as a hanging frame, which requires the side of the container opposite the window to be substantially flat when the stand is folded away. The retaining means have accordingly to be accommodated in a recessed manner in the inside of the container where, however, it is also essential that a certain maximum level is not exceeded in order that the rearrangement function is not impeded.
The object of the present invention is to provide a container that takes into account the circumstances explained above.
According to the invention there is provided a container for a pile of substantially rectangular pictures of like format, having a housing with a viewing window and a slider member that can be pulled out of the housing and a stand hinged to the housing base, opposite the window, which stand has stop members which arrest the stand when the stand is folded out by coming up against complementary stop members on the housing, the stop members and the complementary stop members being arranged at a distance from the hinge of the stand in the direction of the free end of the stand and the elements having the stop faces being designed and arranged in such a manner that they move apart with resilient deformation as the stand is folded out and overlap one another when the stand is folded away.
The structure according to the invention allows the retaining means for the stand to be of minimum thickness (in the direction of the depth of the container), it being possible for the stand to be folded out through the requisite angle without the stop members being arranged too close to the hinge pivot of the stand, that is to say the stand can engage securely without the moment stress becoming too great.
Because the lever arm is shorter, greater forces than in the known structure act not only on the arresting means but also on the hinge itself. For that reason in a preferred embodiment special elements are provided which make it difficult for a stand that has been snapped in to be torn out of the hinge by torsional stress.
Further developments of the invention can be seen from the following description and the claims.
The invention is explained in detail below with reference to the embodiment shown in the enclosed drawings.
FIG. 1 is a plan view, in part cut away and in part with the slider member withdrawn, of a container designed as a picture changer.
FIG. 2 shows the underside of the container from FIG. 1.
FIG. 3 is a section a
REFERENCES:
patent: 2245363 (1941-06-01), Price
patent: 4310091 (1982-01-01), Hara et al.
patent: 4376348 (1983-03-01), Ackeret
patent: 4577822 (1986-03-01), Wilkerson
patent: 4674209 (1987-06-01), Ackeret
Cox D. M.
Jackson Robert R.
Lazarus Ira S.
Licinvest AG
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