Chrysler Corporation

Daimlerchrysler Corporation

Rodney L Eaton

Thomas S Kaliszewski

Mirjana Jurik

William M Snell

Thomas Dziegielewski

Kurt E Hofmeister

David E Thomas

Scott D Laney

David A White

Thomas Grzybowski

Jeffrey D Ottenhoff

Ronald Klanke

David S Miller

Gagan Tandon

The present invention provides a way in which the coefficient of friction between the steering column and the instrument panel may be lessened when an isolator pad is used. The reduction in friction is accomplished by impregnating the isolator pad with a lubricant.

Steering column with lubricated isolator pad

A vehicle steering mechanism can be supported for controlled collapse in crash situations, by constructing the steering shaft support housing as a rigid assembly having a metal die casting and tubular steel shroud as the principal components. The rigid die casting transmits a shock force from the vehicle steering wheel to shearable fasteners that connect the die casting to a mounting structure on the vehicle. Undesired resilience or spring in the steering shaft support mechanism is eliminated, such that the system has a desired predictability in frontal crash situations. The shaft housing deflection is effectively snubbed by a friction ring encircling a lower portion of the tubular steel shroud.

Steering shaft support mechanism

Apparatus for supporting a steering column of an automotive vehicle includes a mounting bracket secured to the steering column. Upper fasteners rigidly secured to vehicle support structure extend through longitudinally extending upper slots in the mounting bracket. Lower fasteners rigidly secured to the vehicle support structure extend through longitudinally extending lower slots in the mounting bracket. The connection of the fasteners in the slots of the mounting bracket releases in response to longitudinal collapse of the steering column in a frontal impact. The vehicle support structure overlies the mounting bracket to resist upward displacement of the mounting bracket when the steering column collapses. Pull loop assemblies are associated with the lower fasteners. Each pull loop assembly includes a generally U-shaped strap of flexible, bendable material having a first leg connected to one of the lower fasteners. Each strap has a second leg which is unattached. Each strap has a return bent intermediate portion extending over a fixed support frame on the mounting bracket so that when the bracket collapses with the steering column, the straps will unwind around and be pulled over the fixed support frame and thereby resist such collapse and absorb energy.

Steering column mounting bracket with pull loops

Apparatus for supporting a steering column of an automotive vehicle includes an upper mounting bracket secured to rigid vehicle support structure by capsules which release in response to longitudinal collapse of the steering column in a frontal impact. The upper mounting bracket is secured to and moves with the steering column during its collapse. A lower mounting bracket is rigidly secured to the vehicle support structure. Flexible, bendable U-shaped straps connect the upper mounting bracket to the lower mounting bracket to gradually resist collapse of the steering column and prevent excessive reaction forces of the steering column against a driver. The vehicle support structure overlies the upper mounting bracket to resist upward displacement during collapse with the steering column.

Upper and lower mounting bracket assembly for a steering column of an

A steering column in an automotive vehicle is supported by a stationary wall that carries two capsules on either side of the steering column. The steering column has an attachment wall that extends within the capsules. Each capsule has two support walls sandwiched around the attachment wall and a tubular connector joining the support walls together. Severable ribs are integral with the tubular connector and in contact with edge areas of the attachment wall, such that in a crash situation the steering column can collapse forwardly to minimize chest injury to the driver of the vehicle.

Steering column support apparatus with shearable ribs

Apparatus for supporting a steering column of an automotive vehicle and for dampening vibration of the steering column when the vehicle is in motion. Support structure secured to the vehicle frame has a central support body and laterally spaced, first and second support flanges on opposite sides of the support body. A bracket secured to the steering column has a central bracket body and laterally spaced, first and second bracket flanges on opposite sides of the bracket body. The bracket body and its flanges are opposed to the support body and its flanges. Fastener assemblies connect the bracket flanges to the support flanges. An isolator pad is secured to the bracket in the space between the bracket body and the support body. The isolator pad is in sheet form and has portions forwardly and rearwardly of the fastener assemblies to dampen steering column vibration and rocking of the steering column about a transverse axis through the fastener assemblies.

Isolator pad for a steering column

A steering column support having a bracket on the steering column secured to vehicle support structure by fasteners at the rear edge of the bracket. Isolator pads at the front edge of the bracket are clamped under pressure between the bracket and the support structure The isolator pads dampen vibration of the steering column and also prevent undesirable tilting or rocking of the steering column when the vehicle is in motion.

Steering column isolator pads

A gear shift lever can be moved to several 'Drive' positions and to a 'Park' position. A retainer holds the lever in the 'Park' position. An operator is provided to retract the retainer so that the lever may be shifted out of 'Park'. A lock prevents the retraction of the lever retainer until the brake pedal is depressed. A mechanical connection between the brake pedal and the lock retracts the lock away from its locking position when the brake pedal is depressed.

Releasable lock mechanism for gear shift lever

Apparatus for releasably locking the tilt steering column assembly of an automotive vehicle in adjusted position. A rack on the steering column assembly is engaged by a pawl to lock the steering column assembly in the position selected by the driver. A bracket is provided to hold the pawl engaged with the rack and prevent it from becoming disengaged. The tilt of the steering column can be re-adjusted by moving the bracket so that the pawl can disengage the rack. A latch is provided for latching the bracket in its position holding the pawl engaged with the rack.

Tilt steering column locking mechanism

A steering column assembly for an automotive vehicle has a bearing which supports the steering shaft and a spring wedge unit for supporting the bearing. The spring wedge unit is in the form of an integral one-piece ring of flexible resilient material, preferably urethane, and encircles the shaft. The ring has an annular wedge and an integral annular spring flange. The wedge has a cylindrical radially inner surface in bearing contact with the shaft, and a conical radially outer surface providing a radially inner support for the bearing. The spring flange is tapered and abuts a tapered portion of the shaft under pressure which resiliently flexes the spring flange and resists axial movement of the ring to dampen vibration and suppress noise.

Steering column assembly

A column-mounted shift control assembly. The latter includes a rotatably mounted shift lever unit, a shift handle pivotally mounted on the shift lever unit, and resilient device for urging the terminal end of the shift handle toward a planar gate unit having Park, Reverse, Neutral, Drive, Second and Low detents formed thereon for selective cooperation with the spring-loaded shift handle terminal end to select a desired transmission shift position. A mechanical brake interlock mechanism cooperates with a blocker member pivotally mounted adjacent the terminal end of the shift handle adapted to prevent pivoting of the blocker member away from the terminal end to thus prevent movement of the terminal end of the shift handle out of the Park detent position prior to depression of the commonly used brake pedal.

Mechanical brake interlock mechanism for a column-mounted shift control

Apparatus for releasably locking the tilt steering column assembly of an automotive vehicle in adjusted position. A rack on the steering column assembly is engaged by a pawl to lock the steering column assembly in the position selected by the driver. A bracket is provided to positively hold the pawl engaged with the rack and prevent it from becoming disengaged. The tilt of the steering column can only be re-adjusted by moving the bracket so that the pawl can disengage the rack.

A device for locking a tilt steering column in adjusted position has two clamping rings, one of which is rotated by a handle. When the handle is rotated in one direction, the clamping rings interact to lock the steering column in adjusted position. When the handle is rotated in the opposite direction, the clamping rings release the steering column so that its position can be adjusted. A third ring is provided to releasably retain the locking rings in locked position.

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Clarkston, MI, United States of America

Rodney L Eaton