According to the present embodiments, it is possible to prevent a tooth-on-tooth engagement between gear teeth, which may occur during the telescoping operation of the steering column, thereby leading to stable locking of the steering column, enhancing the driver's feeling of lever manipulation, and preventing damage to components.

According to the present embodiments, it is possible to prevent a tooth-on-tooth engagement between gear teeth, which may occur during the telescoping operation of the steering column, thereby leading to stable locking of the steering column, enhancing the driver's feeling of lever manipulation, and preventing damage to components.

An absorber of steering column shock energy includes a plastically deformable part forming a loop, a breakaway link closing this loop on itself, and a first attachment interface and a second attachment interface separate from the breakaway link and arranged on either side of the loop. The part and the fusible link are arranged so that the exertion of forces in opposite directions on the first attachment interface and on the second attachment interface respectively, causes a stress leading to a deformation of the loop, breaking of the breakaway link and further deformation of the loop after this break.

An absorber of steering column shock energy includes a plastically deformable part forming a loop, a breakaway link closing this loop on itself, and a first attachment interface and a second attachment interface separate from the breakaway link and arranged on either side of the loop. The part and the fusible link are arranged so that the exertion of forces in opposite directions on the first attachment interface and on the second attachment interface respectively, causes a stress leading to a deformation of the loop, breaking of the breakaway link and further deformation of the loop after this break.

A steering column has a housing. A steering spindle jacket is disposed within the housing. An outer steering spindle is disposed within the steering spindle jacket and has a spline hub. An inner spindle is disposed within the outer steering spindle and includes a spline shaft configured to permit axial movement and prevent rotation of the outer steering spindle when the spline hub and the spline shaft are engaged. In a non-stowed state the spline shaft and the spline hub are engaged and in a stowed state the spline shaft and the spline hub are free of engagement. A pin is disposed in the housing engages the spline hub portion in the stowed state and prevents rotation of the outer steering spindle and is free of engagement in the non-stowed state.

A steering column has a housing. A steering spindle jacket is disposed within the housing. An outer steering spindle is disposed within the steering spindle jacket and has a spline hub. An inner spindle is disposed within the outer steering spindle and includes a spline shaft configured to permit axial movement and prevent rotation of the outer steering spindle when the spline hub and the spline shaft are engaged. In a non-stowed state the spline shaft and the spline hub are engaged and in a stowed state the spline shaft and the spline hub are free of engagement. A pin is disposed in the housing engages the spline hub portion in the stowed state and prevents rotation of the outer steering spindle and is free of engagement in the non-stowed state.

A column jacket includes an inner jacket and an outer jacket formed with a slit and elastically reducible in diameter. A clamp mechanism causes the outer jacket to clamp the inner jacket so that the inner jacket is unable to move in an axial direction X by clamping a pair of clamp target portions of the outer jacket. The slit extends from an open end formed at a jacket end of the outer jacket to a closed end located at a predetermined position of the outer jacket in the axial direction. The slit includes a meandering portion that meanders in a wave-like manner in a circumferential direction between the open end and the closed end.

A column jacket includes an inner jacket and an outer jacket formed with a slit and elastically reducible in diameter. A clamp mechanism causes the outer jacket to clamp the inner jacket so that the inner jacket is unable to move in an axial direction X by clamping a pair of clamp target portions of the outer jacket. The slit extends from an open end formed at a jacket end of the outer jacket to a closed end located at a predetermined position of the outer jacket in the axial direction. The slit includes a meandering portion that meanders in a wave-like manner in a circumferential direction between the open end and the closed end.

A steering apparatus (2, 202) of the invention of the present application is disclosed, which includes an electrifying plate (40, 240) secured to an inner column (11, 211) and received within a guide groove (25, 225) of an outer column (10, 210). The electrifying plate contacts an electrifying cover (15, 215) of the outer column, and configures part of an electrifying path leading to the outer column from the inner column. The invention of the present application enables a new electrifying path to be ensured, which extends from a steering wheel (101) to a car body (100).

A steering system includes a fastening mechanism that makes an upper jacket fastened to be held by a lower jacket. In a fastened state of the fastening mechanism, a first tooth member on the upper jacket side is meshed with a second tooth member on the lower jacket side. The second tooth member is connected to the lower jacket via a guide shaft (connecting member) that is fracturable during a secondary collision. During the secondary collision in an unfastened state of the fastening mechanism, a second engagement portion (driving member) that moves in a column axial direction integrally with the upper jacket abuts on the second tooth member in an unmeshed state to fracture the guide shaft, and deforms an impact absorbing member via the second tooth member to absorb an impact.