Abstract: Construction of a tilt steering apparatus is provided that is capable of preventing the occurrence of unpleasant noise during height adjustment of a steering wheel 1, and maintains sufficient durability and smooth operation. The tilt steering apparatus of the present invention is provided with stoppers 65 in at least two locations in a buffer member 21 c that are rotationally symmetric about the center axis of an adjustment rod 14, and that when a driven-side cam 15b is rotated as the axial dimension of a cam apparatus 47 is expanded or contracted, controls rotation of the driven-side cam 15b so that a convex engaging portion 39c does not collide with the front-side edge or rear-side edge of a vertically long hole 35b.

Abstract: Construction is achieved wherein the front-end section of an outer column 18a can be assembled in the rear-end section of a housing 11a that houses an electric power steering apparatus 10a from below. At least the front-end section of the outer column 18a is formed into a U shape that is open on the top end. A connection and fastening section 36 that can be inserted inside the front-end section of the outer column 18a through an opening on the top end of the front-end section is provided on the rear-end section of the housing 11a.

Abstract: Construction is achieved wherein the front-end section of an outer column 18a is assembled in the rear-end section of a housing 11a that houses an electric power steering apparatus 10a from below. A block shaped connection and fastening section 36 is provided on the rear-end section of the housing 11a. A pair of slits 37 is formed in portions of the connection and fastening section 36 near the left and right ends, and are open on the bottom end surface and rear end surface of the connection and fastening section 36. At least the front-end section of the outer column 18a has a pair of side plate sections 30 and a bottom plate section 31 that is formed in a U shape that is open at the top. The side plate sections 30 are inserted inside the slits 37 from below. In this state, the connection and fastening section 36 and the front-end section of the outer column 18a are connected and fastened by a bolt 39.

Abstract: In a steering device, when a telescopic position of a steering wheel is disposed at a vicinity of an adjustment end on a front side of a vehicle body, if a large force is applied erroneously to the steering wheel toward the front side of the vehicle body, rear ends of telescopic position adjusting long grooves are brought into contact with a fastening rod and push the fastening rod to the front side of the vehicle body. An engaging protrusion pushes an inner column to the front side of the vehicle body. A large force to the front side of the vehicle body, which is applied to the steering wheel is supported by the vehicle body via the inner column, and a force which is applied to a vehicle body attaching bracket can be reduced. This prevents the vehicle body attaching bracket from becoming detached from the vehicle body.

Abstract: Construction of a tilt steering apparatus is provided that is capable of preventing the occurrence of unpleasant noise during height adjustment of a steering wheel 1, and maintains sufficient durability and smooth operation. The tilt steering apparatus of the present invention is provided with stoppers 65 in at least two locations in a buffer member 21 c that are rotationally symmetric about the center axis of an adjustment rod 14, and that when a driven-side cam 15b is rotated as the axial dimension of a cam apparatus 47 is expanded or contracted, controls rotation of the driven-side cam 15b so that a convex engaging portion 39c does not collide with the front-side edge or rear-side edge of a vertically long hole 35b.

Abstract: A steering device is provided that prevents an inner column from coming out from an outer column even when the inner column is released from being telescopically clamped by the outer column in a state before mounting a vehicle body attaching bracket. Front ends of the telescopic position adjusting long grooves and are brought into contact with an outer peripheral face of a fastening rod at a rear end of a telescopically adjusting position. The fastening rod is moved to a rear side of the vehicle body and an engaging member outwardly fitted to the fastening rod is brought into contact with the collar. The fastening rod cannot be moved to a rear side of the vehicle body further, and the outer column and the vehicle body attaching bracket are prevented from coming out of the inner column.

Abstract: A steering device is provided in which fastening of a column is carried out smoothly, meshing of a movable tilt lock gear and a fixed tilt lock gear is carried out smoothly when tilting is clamped, and a rigidity can be increased when the tilting is clamped. A side plate on a left side to which a fixed tilt lock gear is attached is restrained from being elastically deformed by a rib. Therefore, in tilting and clamping and telescopically clamping, positions of the fixed tilt lock gear and a movable tilt lock gear in a vehicle width direction relative to each other is not varied, and therefore, the movable tilt lock gear and the fixed tilt lock gear are brought in mesh with each other smoothly.

Abstract: Construction of an impact absorbing steering wheel apparatus that is capable of obtaining excellent performance at low cost while maintaining the freedom of design is achieved. An energy absorbing member 36a, 36b is provided between a tightening rod 27a that displaces in the forward direction together with an outer column 13a during a secondary collision and a housing 16 or support pin 63 that does not displace in the forward direction during a secondary collision, and being a member that plastically deforms as the outer column displaces in the forward direction during a secondary collision, absorbs part of the impact energy by the relative movement of the plastic deformation. Part of the energy absorbing member 36a, 36b is fastened to the tightening rod 27a, and plastic deformation of this member 36a, 36b is restricted in the width direction by a pair of held wall sections 11a of the outer column 13a.

Abstract: In a steering apparatus configured by including: a steering shaft to which a steering wheel can be fitted; a steering column supported on a vehicle body and supporting the steering shaft rotatably; and a combination switch fixedly fitted to the steering column and constructed by combining a plurality of switches having different functions into one integral unit, the improvement comprises: a spacer having an inner peripheral surface that is fixedly fitted onto an outer peripheral surface of an end portion of the steering column on a rear side with respect to a vehicle body and an outer peripheral surface that is formed to have a dimension of an outer diameter enabling an inner peripheral surface of a fitting portion provided in the combination switch to be fitted onto the outer peripheral surface; and a rotation preventive mechanism preventing the spacer from rotating about the steering column.

Abstract: Construction of an impact absorbing steering wheel apparatus that is capable of obtaining excellent performance at low cost while maintaining the freedom of design is achieved.

Abstract: Construction is achieved wherein the front-end section of an outer column 18a can be assembled in the rear-end section of a housing 11a that houses an electric power steering apparatus 10a from below. At least the front-end section of the outer column 18a is formed into a U shape that is open on the top end. A connection and fastening section 36 that can be inserted inside the front-end section of the outer column 18a through an opening on the top end of the front-end section is provided on the rear-end section of the housing 11a.

Abstract: Construction is achieved wherein the front-end section of an outer column 18a is assembled in the rear-end section of a housing 11a that houses an electric power steering apparatus 10a from below. A block shaped connection and fastening section 36 is provided on the rear-end section of the housing 11a. A pair of slits 37 is formed in portions of the connection and fastening section 36 near the left and right ends, and are open on the bottom end surface and rear end surface of the connection and fastening section 36. At least the front-end section of the outer column 18a has a pair of side plate sections 30 and a bottom plate section 31 that is formed in a U shape that is open at the top. The side plate sections 30 are inserted inside the slits 37 from below. In this state, the connection and fastening section 36 and the front-end section of the outer column 18a are connected and fastened by a bolt 39.

Abstract: In a steering device, when a telescopic position of a steering wheel is disposed at a vicinity of an adjustment end on a front side of a vehicle body, if a large force is applied erroneously to the steering wheel toward the front side of the vehicle body, rear ends of telescopic position adjusting long grooves are brought into contact with a fastening rod and push the fastening rod to the front side of the vehicle body. An engaging protrusion pushes an inner column to the front side of the vehicle body. A large force to the front side of the vehicle body, which is applied to the steering wheel is supported by the vehicle body via the inner column, and a force which is applied to a vehicle body attaching bracket can be reduced. This prevents the vehicle body attaching bracket from becoming detached from the vehicle body.

Abstract: A steering device is provided that prevents an inner column from coming out from an outer column even when the inner column is released from being telescopically clamped by the outer column in a state before mounting a vehicle body attaching bracket. Front ends of the telescopic position adjusting long grooves and are brought into contact with an outer peripheral face of a fastening rod at a rear end of a telescopically adjusting position. The fastening rod is moved to a rear side of the vehicle body and an engaging member outwardly fitted to the fastening rod is brought into contact with the collar. The fastening rod cannot be moved to a rear side of the vehicle body further, and the outer column and the vehicle body attaching bracket are prevented from coming out of the inner column.

Abstract: In a steering apparatus configured by including: a steering shaft to which a steering wheel can be fitted; a steering column supported on a vehicle body and supporting the steering shaft rotatably; and a combination switch fixedly fitted to the steering column and constructed by combining a plurality of switches having different functions into one integral unit, the improvement comprises: a spacer having an inner peripheral surface that is fixedly fitted onto an outer peripheral surface of an end portion of the steering column on a rear side with respect to a vehicle body and an outer peripheral surface that is formed to have a dimension of an outer diameter enabling an inner peripheral surface of a fitting portion provided in the combination switch to be fitted onto the outer peripheral surface; and a rotation preventive mechanism preventing the spacer from rotating about the steering column.

Abstract: A steering device is provided in which fastening of a column is carried out smoothly, meshing of a movable tilt lock gear and a fixed tilt lock gear is carried out smoothly when tilting is clamped, and a rigidity can be increased when the tilting is clamped. A side plate on a left side to which a fixed tilt lock gear is attached is restrained from being elastically deformed by a rib. Therefore, in tilting and clamping and telescopically clamping, positions of the fixed tilt lock gear and a movable tilt lock gear in a vehicle width direction relative to each other is not varied, and therefore, the movable tilt lock gear and the fixed tilt lock gear are brought in mesh with each other smoothly.

Abstract: Construction of an impact absorbing steering wheel apparatus that is capable of obtaining excellent performance at low cost while maintaining the freedom of design is achieved. An energy absorbing member 36a, 36b is provided between a tightening rod 27a that displaces in the forward direction together with an outer column 13a during a secondary collision and a housing 16 or support pin 63 that does not displace in the forward direction during a secondary collision, and being a member that plastically deforms as the outer column displaces in the forward direction during a secondary collision, absorbs part of the impact energy by the relative movement of the plastic deformation. Part of the energy absorbing member 36a, 36b is fastened to the tightening rod 27a, and plastic deformation of this member 36a, 36b is restricted in the width direction by a pair of held wall sections 11a of the outer column 13a.

Abstract: Construction of an impact absorbing steering wheel apparatus that is capable of obtaining excellent performance at low cost while maintaining the freedom of design is achieved.

Abstract: An extendable and contractable steering column apparatus includes an outer column through which an inner column is slidably inserted, a lock housing portion formed on the outer column, and a locking mechanism that includes a pair of movable pieces slidably fitted within a bore formed in the lock housing portion. The locking mechanism shifts the pair of movable pieces toward each other so as to press the inner column and shifts the pair of movable pieces away from each other so as to release the pressure on the inner column, in response to swinging of an operating lever. The cross section of the bore of the lock housing portion is non-circular and the cross sections of said pair of movable pieces are also non-circular correspondingly.

Abstract: A steering column apparatus comprises a steering shaft having its rear end to which a steering wheel is secured, a steering column supporting rotatably the steering shaft and adjustable of its length in axial directions together the steering shaft, and telescopic position fixing means for fixing the steering column to a desired length. The steering column is constructed of an outer column fixed on a car body side and an inner column slidably fitted in the outer column. The telescopic position fixing means is constructed of a lock housing formed on the outer column, first and second press blocks slidably held by the lock housing and moving forwards and backwards in a way that embraces an outer peripheral surface of the inner column, and presses block driving means for bringing the first and second press-blocks into a press-contact with the inner column.