Adjusting device arranged in a seat for a lumbar and/or...

A - Human Necessities – 47 – C

Patent

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Details

A47C 7/46 (2006.01) B60N 2/44 (2006.01) B60N 2/66 (2006.01) F16C 1/14 (2006.01) F16C 1/16 (2006.01)

Patent

CA 2165788

The invention relates to an adjustment device in a seat for a pelvis and/or lordosis support arranged in a back support connectable with the seat, with a Bowden-cable arrangement (10) connecting the former support, whereby the adjustment device contains an axially movable, threaded spindle (2) guided in a housing (1), a threaded ring (4), and an adjustment handle (3), and the housing (1) and the threaded spindle (2) each have an xial, central bore (6, 7) for passing through the cable line (9) of the Bowden-cable arrangement (10), said bores being aligned with each other, whereby the central bore (6) in the threaded spindle (2) has a hollow space directed at the adjustment handle (3) for inserting and holding the nipple (14) of the one end of the cable line. According to the invention, provision is made in the side wall of the housing (1) for a radial opening (11), and in the side wall of the threaded spindle (2) for a cross bore (12) ending within the zone of holding of the nipple (14), whereby the radial opening (11) and the cross bore (12) are aligned with each other in a mutual position of the housing (1) and the threaded spindle (2), forcing a passage with a diameter permitting the nipple (14) to pass through, whereby the opening (11) and the cross bore (12) each are connected with the centralbore (6 and 7, respectively) by a slot (15 and 16, respectively) permitting the passage of the cable line (9), said slots being disposed in a common plane.

L'invention concerne un dispositif de déplacement situé dans un siège et destiné à actionner un support de bassin et/ou antilordose, monté dans un dossier assemblable au siège, et comportant un système de câble Bowden. Le dispositif de déplacement comprend une tige filetée (2) à déplacement axial, introduite dans un boîtier (1), une bague filetée (4) et une manette d'ajustement (3). Le boîtier (1) et la tige filetée (2) comportent chacun un alésage (6, 7) central, alignés l'un avec l'autre dans le sens axial, permettant le passage du câble sous gaine du système de câble Bowden (10). L'alésage central (6) pratiqué dans la tige filetée (2) comporte un espace creux orienté en direction de la manette d'ajustement (3) et destiné à l'introduction et au maintien du raccord fileté (14) d'une des extrémités du câble sous gaine. Selon l'invention, une ouverture (11) radiale est pratiquée dans la paroi latérale du boîtier (1) et un alésage transversal (12) pratiqué dans la paroi latérale de la tige filetée (2) débouche dans la zone de la fixation du raccord fileté (14). L'ouverture radiale (11) est alignée avec l'alésage transversal (12) dans des positions opposées du boîtier (1) et de la tige filetée (2), et tous deux forment un passage dont le diamètre permet au raccord fileté (14) de passer. L'ouverture (11) et l'alésage transversal (12) sont reliés chacun à l'alésage central (6 ou 7) par l'intermédiaire d'une fente (15 ou 16) permettant le passage du câble sous gaine (9) pratiqué dans un plan commun.

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