Self-wringing mop

A - Human Necessities – 47 – L

Patent

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Details

A47L 13/142 (2006.01)

Patent

CA 2477084

The invention relates to a self-wringing mop (1), with a handle (2), an operating sleeve (3) rotatably positioned on the handle (2), a mop head (7) with cleaning elements which can be wrung out by relative rotation between the handle (2) and the operating sleeve (3) and with a back rotation lock for the fixing of the operating sleeve (3) on the handle (2) during wringing out against undesired back rotation. Rib shaped protrusions extend in axial direction over at least a pre-selected longitudinal portion (2.1) of the handle (2) and at least one locking member (8.1) protruding radially inwardly from the operating sleeve (3) into the rotation region of the rib shaped protrusions, which upon rotation of the handle (2) in locking direction is pushed by the rib shaped protrusions against the wall of the operating sleeve (3) and thereby forms a stop for the rib shaped protrusions, upon rotation in pass-through direction however outwardly evades the rib shaped protrusions against a spring force. According to the invention, the handle (2) has a polygonal cross- section in the longitudinal portion (2.1), whereby the rib shaped protrusions are formed by the edges (2.1.1,2.1.2) extending in axial direction on this longitudinal portion (2.1). Furthermore, the invention relates to a back rotation lock of the above mentioned type.

La présente invention concerne un balai à franges auto-essorant (1) comprenant un manche (2), un manchon de commande (3) monté rotatif sur le manche (2), une tête de balai (7) comprenant des éléments de nettoyage qui peuvent être essorés au moyen d'une rotation relative entre le manche (2) et le manchon de commande (3), ainsi qu'un système de blocage anti-retour conçu pour bloquer le manchon de commande (3) sur le manche (2) à l'encontre d'un retour non souhaité lors de l'essorage. Ledit système de blocage anti-retour est constitué de parties en saillie de type nervures, qui s'étendent en direction axiale au moins sur une section prédéfinie (2.1) de la longueur du manche (2), et d'un élément de blocage (8.1) qui pénètre radialement vers l'intérieur dans la zone de rotation des parties en saillie de type nervures. Lors de la rotation du manche (2) dans la direction de blocage, cet élément de blocage est comprimé contre la paroi du manchon de commande (3) par les parties en saillie de type nervures, formant alors une butée pour ces parties en saillie de type nervures et les parties en saillie de type nervures étant écartées vers l'extérieur en cas de rotation en direction de passage opposée, à l'encontre d'une force de ressort. Selon cette invention, le manche (2) présente, sur ladite section de longueur (2.1), une section transversale polygonale dont les arêtes (2.1.1, 2.1.2) s'étendant en direction axiale constituent lesdites parties en saillie de type nervures. La présente invention concerne également un système de blocage antiretour du type susmentionné.

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