Flexible or portable closure – partition – or panel – Roll type – With rotating means
Patent
1992-05-01
1993-02-16
Purol, David M.
Flexible or portable closure, partition, or panel
Roll type
With rotating means
160264, 160265, 296 98, B60P 704
Patent
active
051862310
ABSTRACT:
In summary, the present invention contemplates an improved tarpaulin deployment and retraction apparatus which includes a plurality of removable or permanent tracks installed at intervals over the load carrying compartment of a vehicle. A leading edge slider travels to and fro on the tracks under the influence of deployment/retraction mechanism. A ridgepole slider is towed to a mid-deployment position due to a latch on the ridgepole slider engaging a towing pin on the leading edge slider. Upon reaching the mid-deployment position, a de-coupling pin upon each of the tracks cooperates with a camming surface on the latch to disengage the ridgepole slider from the leading edge slider. The leading edge slider then is further urged to a fully deployed position. A leading edge pole, to which is attached the leading edge of a tarpaulin, is connected to the leading edge sliders on the tracks. As the sliders are urged into their deployed positions the tarpaulin is unfurled from its stowed position. A ridgepole connected to the ridgepole sliders creates a pitch in the deployed tarpaulin. Upon retraction, the tarpaulin is furled by the deployment/retraction mechanism. The furling action of the tarpaulin urges the leading edge slider towards a stowed position during which the leading edge slider comes in contact with the ridgepole slider. The respective pairs of sliders on each track are then further urged towards a fully retracted or stowed position.
REFERENCES:
patent: 3667802 (1972-06-01), Love
patent: 3829154 (1974-08-01), Becknell
patent: 4655010 (1987-04-01), Arquati
patent: 4909563 (1990-03-01), Smith
patent: 5050923 (1991-09-01), Petelka
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