Abstract: The protective cover according to the present invention comprises an internal space (30) designed to take the corresponding strap (8, 9) of a guidance device (6) and at least one continuous external face (26) forming the sliding face.

Abstract: The protective cover according to the present invention comprises an internal space (30) designed to take the corresponding strap (8, 9) of a guidance device (6) and at least one continuous external face (26) forming the sliding face.

Abstract: The invention concerns a device for guiding a counterweight of a flexible screen material handling rolling door for an industrial building comprising two opposite side posts (2, 3) linked by a winding drum (4) mechanically linked to one of the ends of a motor reducer-brake fixed in the upper part of the vertical post (2) and enabling the vertical movements of the flexible screen between an opening position and a closing position and to the opposite end of a pulley (9) provided in the upper part of the post (3) and linked via a purchase belt (10) to a counterweight (11), comprising in the vertical post (2) of the material handling rolling door (1) two guide cables (16, 17) stretched between the terminal points and co-operating with guiding elements (31) fixed on the counterweight (11) to enable to guide said counterweight in all its directions when it is vertically displaced.

Abstract: A handling door that includes vertical opposed uprights. Each upright has vertical guide slideways. Each vertical guide slideway is at least one of a semirigid member and a flexible member and includes one of a woven material, a deformable plastic material, and a shape-memory material. Ribs project from an outer face of each upright. The vertical guide slideways of each upright are arranged between the ribs. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.