Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Patent
1996-07-26
1998-11-03
Stodola, Daniel P.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
With mounting or supporting means
160274, 160277, 160278, 49197, E05D 1506
Patent
active
058295046
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention generally relates to an edge guiding arrangement for a door having a plurality of mutually rotatable panels which are extended between and movable along two elongate guides at opposite edge portions of the panels, the edge guiding arrangement comprising such a guide, a guide means engaging and movable along the guide, and a joint between the guide means and an edge portion of a panel.
2. Description of the Prior Art
The edge guiding arrangement according to the invention is specifically, but not exclusively, usable in connection with an impact-resistant door leaf of the type disclosed in SE 9400106-2, which is made up of flexible panels and flexible, continuous, dividable link elements between the panels.
WO 93/16262 shows an example of a traditional design of an edge guiding arrangement of the above-mentioned type, where the guides consist of two substantially U- or C-shaped guide rails, the guide means consist of guide rollers engaging and running in the guide rails, and where the joints between the guide means and the edge portions of the panels consist of shafts forming axes of rotation of the guide rollers and hinge pins in hinges which are fixedly mounted on the panels for rotatable interconnection of adjoining panels.
U.S. Pat. No. 3,140,508 shows a similar solution, where the joints between the panels and the guide rollers instead consist of plate-shaped mounting elements.
U.S. Pat. No. 3,484,812 describes an edge guiding arrangement for an overhead sliding door, where the guide also consists of a substantially C-shaped guide rail, the guide means consists of a guide roller engaging and running in the guide rail, and where the joint between the guide roller and the panel edge portion consists of a shaft, on one end of which the guide roller is mounted. The other end of the shaft is connected to and axially movable back and forth relative to a mounting element on the panel edge portion. If the panel is displaced sideways away from the guide rail and the shaft is thus displaced axially relative to the mounting element to an end position, the shaft is able, together with the guide roller, to rotate in a plane perpendicular to the longitudinal direction of the guide rail, relative to the guide rail and the mounting element. In this rotational position, the shaft cannot leave the mounting element. When, on the other hand, the shaft is in its normal axial position relative to the mounting element, the shaft and the guide roller are prevented from rotating in said plane.
U.S. Pat. No. 3,552,474 describes an edge guiding arrangement for an overhead sliding door, where the guide consists of a guide rail of rhombic cross-section which is open in one side, the guide means consists of a thin guide roller received in the guide rail without any possibility of rotating about the longitudinal direction of the guide rail, and where the joint to the panel edge portion consists of a shaft carrying the guide roller and axially slidably received in a horizontal groove in the panel edge portion, a compression spring being mounted between the bottom of the groove and the end of the shaft to enable the door leaf to move towards and away from the guide rail.
Prior-art edge guiding arrangements of the above-mentioned types suffer from the drawback of not being impact-resistant, i.e. they are normally broken if the door is subjected to a sufficiently great impact. This may cause damage to the guide rollers, the roller shafts, the guides, the hinges at the panel edges and to the panels themselves. This means that the door cannot be used for a certain period of time and that costly and time-consuming repairs are required.
OBJECTS AND SUMMARY OF THE INVENTION
The invention has for its object to provide an improved edge guiding arrangement that does not suffer from these drawbacks.
Thus, the object of the invention is to provide an edge guiding arrangement of the type described by way of introduction which is not damaged if the door is bumped into or
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Bertilsson Hans-Inge
Ekstrand Marie Ingela Christina
Larsson Nils H.ang.kan Ivar
Lev Bruce A.
Nomafa AB
Stodola Daniel P.
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