ES53839U - Height-adjustable portable ladder for descent of aircraft passage (Machine-translation by Google Translate, not legally binding)
- Google Patents
Height-adjustable portable ladder for descent of aircraft passage (Machine-translation by Google Translate, not legally binding)
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Publication of ES53839YpublicationCriticalpatent/ES53839Y/en
Portable ladder of adjustable height for the descent of the passage of the airplanes, which in essence consists of a chassis with external body provided with two or more pairs of wheels, two of which are mobile and directers of the movement by means of a lever operated by an operator arranged on a seat of this chassis, which at its rear end is articulated on two horizontal, parallel and coplanar axes of the same horizontal plane, two pairs of horizontal joists or joists, also articulated to them and which in turn they are the support or support of the stairs of the stairs, constituted of metallic plate with the edges slightly flanged; the staircase being topped by its upper end on a platform. (Machine-translation by Google Translate, not legally binding)
ES0053839U1956-04-141956-04-14
Height-adjustable portable ladder for lowering aircraft passengers
ExpiredES53839Y
(en)
Improvements in the mobile and removable work scaffolds, of variable height, especially for plate gasometers (Machine-translation by Google Translate, not legally binding)