Steering column locking assembly and method of making same

Details Steering column locking assembly and method of making same Steering column locking assembly and method of making same

B - Operations, Transporting

60

R

B60R 25/02 (2006.01) B62D 1/16 (2006.01) F16C 3/02 (2006.01) F16C 3/03 (2006.01) F16D 3/06 (2006.01) F16D 3/76 (2006.01)

Patent

CA 2214053

A steering column locking assembly and method of making same includes swaging a steering column tube (1) and a steering column lock collar (2) in such a manner that relative movement between the two parts is resisted below a predetermined level of torque whilst relative rotation occurs at values of torque above the predetermined value. A layer (3) of plastics material may be provided between the two parts. Once the predetermined torque is overcome, then rotation between the two parts occurs, but ceases once the torque level drops below the predetermined level.

Cette invention concerne un ensemble de verrouillage d'une colonne de direction et le procédé de fabrication correspondant. Ce procédé consiste à emboutir une bague de verrouillage de colonne de direction (2) sur un tube de colonne de direction (1) de manière à restreindre le mouvement relatif d'une pièce par rapport à l'autre au-dessous d'un niveau prédéterminé de moment de torsion alors qu'une rotation relative se produit pour des valeurs de moment de torsion supérieures à la valeur prédéterminée. On peut placer une couche (3) de matière plastique entre ces deux pièces. Une fois que le premier moment de torsion est surmonté, la rotation entre les deux pièces peut se produire, mais celle-ci cesse dès que le niveau du moment de torsion tombe au-dessous du niveau prédéterminé.

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