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System for guiding and locking a motor vehicle steering column

  • US 5,743,150 A
  • Filed: 07/26/1996
  • Issued: 04/28/1998
  • Est. Priority Date: 07/26/1995
  • Status: Expired due to Term
First Claim
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1. Motor vehicle steering column comprising:

  • a column body extending substantially in the longitudinal direction of the vehicle,a fixed portion rigidly linked to the frame of the vehicle and including two first brackets situated on each side of the column body,a mobile portion rigidly linked to the column body and including two second lateral brackets cooperating respectively with the first brackets so that the mobile portion can have a movement which is limited with respect to the fixed portion,a guiding and locking system for positioning and fixing the mobile portion with respect to the fixed portion, said guiding and locking system comprising;

    at least one fixed notched element integral with one of the brackets of the fixed portion,at least one mobile notched element connected to the mobile portion and disposed opposite the fixed element,fixing means adapted to render integral the mobile and fixed portions in a locked position in which the notches of the two notched elements cooperate by shape mating,said steering column further including an elastic means being provided between said notched fixed and mobile elements, so as to be compressed by the fixing means in the locked position and to cause said notched elements to be spaced from each other when the fixing means are inactivated, which corresponds to an unlocked position in which the mobile portion is adapted to move with respect to the fixed portion, said at least one fixed notched element comprising at least one track extending in a direction substantially parallel to the direction of movement of the mobile portion with respect to the fixed portion and said elastic means comprising at least one bracket adapted to slide on said track and being integral with the mobile notched element associated with said fixed notched element, so that the elastic element ensures both the function of elastically spacing said notched elements and guiding said notched elements with respect to one another.

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