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US 8,006,803 B2Granted
Ladder system, especially for vehicles
AssigneeAirbus France
InventorBernard Guering
Life of this patent
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Abstract
The invention relates to a ladder comprising a single post (1) provided with a fixing means (4) on the upper end (1S) thereof, said ladder comprising an anchoring means (9, 10) which is especially adapted to said fixing means (4) and is attached to the wall (7), and foldable supporting arms (3) which are connected to either side of the single post (1) in an articulated manner.
Claims8
A ladder system for a wall, said ladder comprising:
- a single post, an upper part of which has an arc and is provided with a hooking device;
- rungs arranged on said single post, on either side thereof, said rungs being hinged by their inner ends to said single post about pins which are orthogonal to said post so that said rungs can assume two end positions, namely:
- a folded-up position in which said rungs are applied against said single post with their outer end directed toward said upper part of said single post;
- and
- a deployed position in which said rungs are arranged orthogonally to said single post and locked downwardly by their inner ends bearing against said single post;
- and
- a bearing device to bear against said wall, on either side of said single post,
- said bearing device comprises two arms which are arranged symmetrically with respect to said single post, the outer ends having arcs corresponding to the arc of said upper part of the single post such that the two arms together have, in a deployed position, the at least approximate shape of a crescent, and said arms being hinged by their inner end to said single post about pins which are orthogonal to said post so that said arms can assume two end positions, namely:
- a folded-up position in which the two aims are applied against said single post, on either side thereof, with their respective arcs corresponding to and coextensive with the arc of said single post;
- and
- the deployed position in which the two arms are arranged orthogonally to said single post and locked downwardly by their inner end bearing against said single post;
- and
- an anchorage specially configured to said hooking device of said ladder is affixed to said wall.
10 more elements
A ladder, comprising:
- a single post, an upper part of which has an arc shape and is provided with a hooking device;
- rungs arranged on said single post, on either side thereof, said rungs being hinged by their inner ends to said single post about pins which are orthogonal to said post so that said rungs can assume two end positions, namely:
- a folded-up position in which said rungs are applied against said single post with their outer end directed toward said upper part of said single post;
- and
- a deployed position in which said rungs are arranged orthogonally to said single post and locked downwardly by their inner ends bearing against said single post;
- and
- two arms arranged symmetrically with respect to said single post, the outer ends having arcs corresponding to the arch of said upper part of the single post such that the two arms together have, in the deployed position, the at least approximate shape of a crescent, and said arms being hinged by their inner end to said single post about pins which are orthogonal to said post so that said arms can assume two end positions, namely:
- a folded-up position in which the two arms are applied against said single post, on either side thereof, with their respective arcs corresponding to and coextensive with the are of said single post;
- and
- a deployed position in which the two arms are arranged orthogonally to said single post and locked downwardly by their inner end bearing against said single post.
7 more elements
Dependencies are inferred from the claim text.