Closure fasteners – Braces
Patent
1991-10-25
1992-07-07
Moore, Richard E.
Closure fasteners
Braces
292278, E05C 1724
Patent
active
051276887
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a door holding device of the kind set forth in the preamble of claim 1.
The object of the present invention is to provide a door holding device which will hold the door automatically in a fully open position and which can be released readily so as to permit the door to be closed, and which is robust and reliable in operation and can be manufactured cheaply.
This object is achieved in accordance with the invention defined in the following claims and described hereinafter with reference to an exemplifying embodiment of an inventive door holding device illustrated in the accompanying drawings, in which
FIG. 1 illustrates the inventive device with the door in an open and a closed position respectively;
FIG. 2 illustrates that end of a holding rod forming part of said device which is pivotally attached to a slide mounted in the rail fixedly attached to the door;
FIG. 3 is a sectional view taken on the line III--III in FIG. 2;
FIG. 4 illustrates the other end of the holding rod, said end being pivotally attached to a door frame:
FIG. 5 illustrates the position of the slide when the door is almost fully open;
FIG. 6 illustrates coaction of the slide with a latching device pivotally mounted on the rail, and shows the door in a fully open position; and
FIG. 7 illustrates a slide position in which the latching device is released.
FIG. 1 is a very simplified illustration of the operational state of the inventive device when the door 1 is in a closed position A and a fully open position B. Attached to the door 1 is a rail 2, which in the illustrated embodiment is a C-rail and in which a slide 3 is slidably mounted. The slide 3 is pivotally connected to one end of a holding rod 4. The other end of the holding rod 4 is pivotally connected to a pivot journal 5 mounted on a door frame (not shown) and pivots around the pivot journal 5 in a substantially horizontal plane when the door 1 is opened, said door being mounted on hinges 6. As will be seen from FIG. 1, when the door 1 is swung outwardly, the slide 3 will move in the rail 2 from a first position A' to a second position B', in which the slide 3 is in abutment with a pressure spring 18 and compresses said spring to some extent, as described hereinafter. The slide 3 is latched in the rail 2 in the illustrated position B', so as to prevent the door 1 from closing.
FIG. 2 illustrates the slide 3 in the position A' and also shows the end of the holding rod 4 connected to said slide. The holding rod 4 has a flat end-part 8 provided with a centrally located hole (not shown). As will best be seen from FIG. 3, the slide 3 is provided with an abutment member 9 which projects out through the central, longitudinally extending channel 10 of the rail 2 and forms an abutment surface for the end-part 8 of said rod. A bolt 11 is inserted through a hole in the abutment member 9 and through a corresponding hole in the end-part 8. The bolt 11 is held in position by means of a lock washer 12 and forms a pivot journal which enables the holding rod to swing relative to the abutment member 9 and therewith relative to the slide 3 and the rail 2. FIG. 4 illustrates the opposite end of the holding rod 4. This opposite end of the rod is also provided with a flat end-part 8', which abuts a flat surface on a bracket structure 13 which is screwed firmly to the upper, horizontal part of the door frame 14, said flat surface extending horizontally in the assembled state of the inventive device. A pivot journal of the same kind as that described above connects the end-part 8' with the bracket structure 13.
When opening the door 1, the holding rod 4 functions to move the slide 3 in the rail 2, from the position A illustrated in FIG. 2 to the door-latching position B, in which the door 1 is fully open.
FIGS. 5-6 illustrate a latching device 15 which is freely pivotal on a pivot journal 16 carried on the upper side of the rail 2. The latching device has the form of a plate of uniform thickness and in its non-activated state hangs vertically downwards (FIG. 5). FIG. 5 sho
REFERENCES:
patent: 2188393 (1940-01-01), Mueller
patent: 4932695 (1990-06-01), Pettit et al.
LandOfFree
Door holding device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Door holding device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Door holding device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1825551