Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Having plural hinge axes
Patent
1991-10-03
1994-03-08
Larson, Lowell A.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Having plural hinge axes
401521, 16343, E05D 1106, A47G 114
Patent
active
052916359
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Technical Field
The invention relates to a device for limiting the set-up angle between two planar components which are connected with one another by way of a hinge, for example between the picture cover of a picture frame and its supporting base.
2. State of the Art
Picture frame hinges are known which have a supporting base (U.S. Pat. No. 2,811,741; DE-U-8,809,422) in which two hinge leaves are connected with one another at their abutting edges by way of a hinge joint formed of knuckles through which passes a hinge wire. The angle limitation required for setting up the picture frame with the aid of the supporting base is determined by stops which are either formed as axial projections at the knuckles of the one hinge leaf and as matching axial recesses in the knuckles of the other hinge leaf or are provided along the knuckles of the one hinge leaf over the entire length of the knuckles, with the other hinge leaf abutting thereon when the picture frame is set up. In the prior art hinges there exists the danger that, under greater stresses as they may easily result from improper set-up of the picture frame, the hinges are damaged in the region of the stops and/or, if the picture frames are heavy, the supporting base is bent.
SUMMARY OF THE INVENTION
This is where the present invention intends to come to the aid. Based on the described use, it is generally the object of the invention to configure a device of the above-mentioned type so that, while avoiding stops in the hinge, a stable limitation is provided for the set-up angle between the two planar components, for example the supporting base relative to the picture cover of the picture frame. According to the invention, this is accomplished by a connecting web which, at one end, is provided with one half of the hinge base joint, whose other half can be fastened to one of the two components--the picture cover--and which, at its other end, has a T-member configuration that engages behind a cutout provided in a plate that can be fastened to the other component--the supporting base--with the width of the cutout in the region facing the hinge being greater than the width of the transverse portion of the T-shaped member. A stop is provided at the transition from the narrower to the broader region.
In the invention, stops are avoided in the region of the hinge. Rather, the set-up angle is determined by the length of the connecting web and the angle which it forms with the planar components. The set-up angle is selectable within limits. The set-up angle between the planar components, for example between a picture frame and its set-up base, does not change even if the one component should be pushed away from the other component beyond the set-up angle. The connecting web is supported at the other component. The set-up angle is thus fixed; the components will not spring away from one another. If the components are folded together, the connecting web lies between the two components essentially parallel thereto. The entire thickness of the device in the folded together state is held within limits, a flat support in close proximity to one another is ensured.
The device permits the use of thin materials which ensure a non-bulky construction and their concealed attachment. There is no loss of stability.
If the device is to be minimized, in particular, to be configured s that the thickness of the hinge is further reduced, thus saving material, this is accomplished, as a modification of the invention, in that the connecting web is provided with at least one shoulder. This shoulder additionally stabilizes the connecting web and thus the entire device according to the invention. It is therefore possible to reduce the thickness of the hinge without loosing its--original--stability.
In addition to the mentioned use of the device according to the invention for pictures, it is possible to use it for any type of upright displays, for example, racks, signs or boards.
Features and modifications of the invention are defined in the dependent claims
REFERENCES:
patent: 481492 (1892-08-01), Hirst
patent: 790483 (1905-05-01), DeMartini
patent: 1093843 (1914-04-01), Gassaway
patent: 1766197 (1930-06-01), Shepard
patent: 1798267 (1931-03-01), Marsh
patent: 2200699 (1940-05-01), McNulty
patent: 2456720 (1948-12-01), Miles
patent: 2811741 (1957-11-01), Miller et al.
patent: 2831285 (1958-04-01), Cross
Larson Lowell A.
McKeon Michael J.
Schmale GmbH & Co. KG
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