Buckles – buttons – clasps – etc. – Strap-end-attaching devices – Buckle connected
Patent
1995-01-18
1997-05-06
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Strap-end-attaching devices
Buckle connected
24 68CD, 24 68E, 24597, 410105, A44B 2100, B60P 700
Patent
active
056259263
DESCRIPTION:
BRIEF SUMMARY
SPECIFICATION
The invention relates to an extension fitting for a tension belt, to which a belt anchor is affixed, which can be made to engage with the holder profile of a counterpiece, so as to be released again.
Such belts are used in order to secure air freight in an airplane. Freight planes have holder profiles to hold belt anchors on bearing parts of the fuselage. Likewise, the freight pallets that are used have holder profile rails all around to hold the belt anchors.
The belts have standard lengths, which can be too short for certain applications. According to the state of the art, there are only makeshift solutions for extending the belts, and these do not satisfactorily fulfill the high safety demands. These makeshift solutions are accompanied by the risk of transport damage.
It is the task of the invention to create an extension fitting which allows secure tension belt lengthening, particularly for air freight use, while offering a high level of operating convenience.
This task is accomplished with an extension fitting which consists of a plate with the holder profile and an eye for affixing an extension belt. The extension belt can be a standard tension belt similar to the belt that is being extended.
In a preferred embodiment, the eye is arranged on the side of the plate opposite the holder profile.
A belt anchor in the form of a belt end fitting also has an eye for affixing the belt. The eye of the extension fitting is preferably arranged in the plate in such a manner that it lies opposite the eye of a belt anchor fixed in the holder profile. Tension forces which act on the belts are thus optimally transferred with the extension fitting.
The plate of the extension fitting is preferably essentially rectangular. The holder profile can consist of two claws which start at opposite sides of the plate and are directed towards each other, which essentially have a C profile.
The belt anchor preferably has a foot which fits between the claws of the holder profile, with at least one anchor mushroom which projects from it on both sides. The head of the anchor mushroom fits into the C profile of the claws. The claws are provided with at least one recess and/or widened region to introduce the anchor mushroom.
The belt anchor can have a single mushroom. The claws of the extension fitting then preferably have widened regions on both sides, in the longitudinal direction of the profile, through which the head of the anchor mushroom can be introduced into the holder profile.
However, the belt anchor can also have two mushrooms. Preferably, the claws are then provided with two recesses, offset in the longitudinal direction of the profile, through which the heads of the two anchor mushrooms can be introduced into the holder profile.
Finally, the belt anchor can also have three mushrooms. Preferably, the claws are then provided with three recesses, offset in the longitudinal direction of the profile, through which the heads of the three anchor mushrooms can be introduced into the holder profile.
The anchor mushrooms and a bolt of the belt anchor can be circular. The recesses of the claws are preferably circle segments which lie across from one another in pairs, the periphery of which lies on a common circle.
The invention is explained in more detail below, on the basis of the embodiments shown in the drawing, which shows:
FIG. 1 a perspective view of a two-mushroom belt anchor and an extension fitting which works together with it;
FIG. 2 aside view of the two-mushroom belt anchor;
FIG. 3 a cross-section through the two-mushroom belt anchor along the line III--III in FIG. 2;
FIG. 4 a side view of the extension fitting which works together with the two-mushroom belt anchor;
FIG. 5 a front view of the extension fitting with the view in the direction V of FIG. 4;
FIG. 6 a top view of the extension fitting with the view in the direction VI of FIG. 4;
FIG. 7 a front view of a single-mushroom belt anchor;
FIG. 8 a side view of the single-mushroom belt anchor with the view in the direction VIII of FIG. 7;
FIG. 9 a front
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patent: 4020770 (1977-05-01), McLennan et al.
patent: 4273487 (1981-06-01), McLennan
patent: 4796837 (1989-01-01), Dowd
Ribeco GmbH
Sakran Victor N.
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