Device for the curved displacement of an object in contact with

Fire escape – ladder – or scaffold – With extensible vertical and nonvertical sections

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Details

182 69, 182141, 248277, 248124, 254122, E04G 2100

Patent

active

051099519

ABSTRACT:
Device for the curved displacement of an object in contact with a surface, such as a convex, concave or complex surface, comprising a vertical support frame, arranged in the vicinity of the surface, and a bearing arm consisting of at least one pantograph, one end of which, integral with the vertical support frame, can be displaced over the height of the latter, and the other end of which carries the object to be displaced at an appropriate distance from, and out of contact with, the surface, wherein at least one of the hinge pins of the arm of the pantograph is displaced, with the movement of the arm relative to the frame, in a groove whose profile is homothetic with that of the surface, and situated in a vertical plane containing the pantograph arm.

REFERENCES:
patent: 828709 (1906-08-01), Buckland
patent: 4934643 (1990-06-01), Militano, Jr.

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