Flexible or portable closure – partition – or panel – Roll type – Shiftable position roll
Patent
1989-12-20
1991-01-29
Purol, David M.
Flexible or portable closure, partition, or panel
Roll type
Shiftable position roll
160122, A47H 100
Patent
active
049879421
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD OF THE INVENTION
The invention relates to a cover arrangement, especially for vehicles, comprising a rolling-up rod and means for rotating the rod so as to roll up or unroll a portion of the cover on or from the rod.
BACKGROUND OF THE INVENTION
On load-carrying vehicles which are provided with a cover, the cover must frequently be rolled up and rolled down for loading and unloading of goods. Previously, the cover was rolled up to form a roll and attached by means of lugs a distance up on the frame supporting the cover. This is an inconvenient and time-consuming operation, and in recent years rolling-up means have therefore been developed which consist of a box attachable to the top of the frame or to the cover stanchions and containing a roller which resembles a roller blind rod. Such an arrangement greatly facilitates rolling-up of the cover, but suffers from the disadvantage that it must be detached and taken down when dismantling the cover frame, or if the cover is damaged. Moreover, the cover must be guided such that its vertical edges are kept perpendicular to the box to prevent wedging of the cover portion while being rolled up. A further disadvantage is that the box takes up a great deal of space, whether the cover is rolled up or lowered to its position of use.
BRIEF DESCRIPTION OF THE INVENTION
The present invention aims at providing a simple and inexpensive arrangement which eliminates the above-mentioned disadvantages and which is easily handled and can be easily dismounted from the cover frame. According to the invention, this is achieved in that the upper edge of said cover is fixedly mounted and its lower edge is free or detachable, and that the rolling-up rod is nonrotatably connected with the cover substantially along the horizontal centre line thereof, the rod, when rotated in one direction, rolling up the cover while simultaneously raising both the rod proper and the lower edge of the cover and, when rotated in the opposite direction, unrolling the cover while lowering both the rod and the lower edge of the cover.
In the inventive arrangement, the separate cover which, in practice, may be the entire side portion of a vehicle cover, can be easily and rapidly mounted on and dismounted from the cover frame and be easily and rapidly rolled up on the rolling-up rod, while uncovering the entire area which, in the position of use, is covered by the cover.
DESCRIPTION OF THE PRIOR ART
U.S. Pat. Nos. 1,318,820 and 3,397,009 disclose vehicle covers in which a rolling-up rod is per se nonrotatably connected with a cover and positioned approximately midway between the opposite cover ends. In these known arrangements, however, the rolling-up rod stays in one and the same position while the cover is being rolled up, and the two cover ends must be free to move towards the rod during the rolling-up operation. Such a permanently stationary rolling-up rod cannot be used for rolling up the side portions of a vehicle cover, since the rolling-up rod would then interfere with the loading and unloading of goods. Besides, the upper half of the cover would have to be pulled up to a covering position by special means making the arrangement even more complicated.
BRIEF DESCRIPTION OF THE DRAWINGS
In the drawings:
FIG. 1 is a partial side view of a vehicle cover of which a portion is in its rolled-down state;
FIG. 2 is a similar perspective view in which the cover is in its rolled-up state;
FIG. 3 is a respective schematic view illustrating a means for rotating the rolling-up rod; and
FIG. 4 is an enlarged view of a component comprised by the means shown in FIG. 3.
DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT OF THE INVENTION
In FIGS. 1 and 2, a vehicle cover generally designated 10 comprises a roof portion 11, at least one end portion 12, and one or more side portions 13 along each side of the vehicle. The cover is supported by a frame designated 14 in its entirety and containing a suitable number of vertical stanchions 15 as well as longitudinal struts 16 and cross members 17. The
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patent: 1156807 (1915-10-01), Pepple
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patent: 2967733 (1961-01-01), Amerine
patent: 2967734 (1961-01-01), Brown
patent: 2976082 (1961-03-01), Dahlman
patent: 3397009 (1968-08-01), Landenberger
patent: 3398779 (1968-08-01), Kuss
patent: 3521693 (1970-07-01), Kuss
Aktiebolaget Jens Eriksson
Purol David M.
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