Abstract: An intermediate shaft is provided which connects a steering shaft and a steering gear mechanism together via a universal joint, a shoulder bolt is provided which fastens one of yokes of the universal joint and a shaft portion of the intermediate shaft and on which a small diameter portion and a large diameter portion which are adapted to be brought into engagement with an outer circumferential surface of the shaft portion are formed sequentially from a distal end portion side, and the intermediate shaft has a bolt engagement recess portion which is formed on an outer circumferential surface of the shaft portion in such a manner as to extend in a direction which intersects an axial direction and which is adapted to be brought into engagement with the large diameter portion of the shoulder bolt and a dislocation preventive projecting portion which is formed on an outer circumferential surface of an end portion thereof, whereby a temporary fastening is implemented by bringing the small diameter portion of the sh

Abstract: A puncture device that reliably acts on the target body site is proposed. The puncture device includes a luminal puncture body 2 having a projection opening 2a on the side surface; a tube 3, accommodated in the puncture body 2, having an acting part 3a that acts on the inside of the body; and a leading means 4 for projecting the acting part 3a of the tube 3 towards the side from the projection opening 2a. The leading means 4 includes a wire 5 inserted in the tube 3, and a moving means 6 for moving the wire 5 in the length direction of the puncture body 2, the moving means 6 adjusting the moving amount of the wire 5 to project the wire 5 from the projection opening 2a. The acting part 3a of the tube 3 can be projected by the projection of the wire 5.

Abstract: A puncture device that reliably acts on the target body site is proposed. The puncture device includes a luminal puncture body 2 having a projection opening 2a on the side surface; a tube 3, accommodated in the puncture body 2, having an acting part 3a that acts on the inside of the body; and a leading means 4 for projecting the acting part 3a of the tube 3 towards the side from the projection opening 2a. The leading means 4 includes a wire 5 inserted in the tube 3, and a moving means 6 for moving the wire 5 in the length direction of the puncture body 2, the moving means 6 adjusting the moving amount of the wire 5 to project the wire 5 from the projection opening 2a. The acting part 3a of the tube 3 can be projected by the projection of the wire 5.

Abstract: An intermediate shaft is provided which connects a steering shaft and a steering gear mechanism together via a universal joint, a shoulder bolt is provided which fastens one of yokes of the universal joint and a shaft portion of the intermediate shaft and on which a small diameter portion and a large diameter portion which are adapted to be brought into engagement with an outer circumferential surface of the shaft portion are formed sequentially from a distal end portion side, and the intermediate shaft has a bolt engagement recess portion which is formed on an outer circumferential surface of the shaft portion in such a manner as to extend in a direction which intersects an axial direction and which is adapted to be brought into engagement with the large diameter portion of the shoulder bolt and a dislocation preventive projecting portion which is formed on an outer circumferential surface of an end portion thereof, whereby a temporary fastening is implemented by bringing the small diameter portion of the sh

Abstract: An elastic shaft joint is constituted of a joint member, a shaft member being fitted in a shaft of the joint member, and an elastic bush having a cylindrical inner sleeve fitted and fixed on the joint member, a cylindrical elastic member fixed on an outside surface of the inner sleeve, and a cylindrical outer sleeve fixed on an outside surface of the elastic member, for elastic torque transmission between the joint member and the shaft member, wherein the outer sleeve is fixed on the shaft member.

Abstract: An elastic shaft coupling and a manufacturing method of an element of the coupling, which realize reduction of the manufacturing cost while maintaining a sufficient strength of the coupling. The elastic shaft coupling has a coupling element which is formed by interposing between a joint member and a hollow shaft member an elastic member for flexing and deforming upon a relative rotation therebetween and forming stopper portions for restricting the relative rotation within a predetermined amount respectively on the joint member and the hollow shaft member. The stopper portion on the hollow shaft member side is formed by plastically processing the end portion of the material of the hollow shaft member into a flange shape.

Abstract: An elastic shaft joint is constituted of a joint member, a shaft member being fitted in a shaft of the joint member, and an elastic bush having a cylindrical inner sleeve fitted and fixed on the joint member, a cylindrical elastic member fixed on an outside surface of the inner sleeve, and a cylindrical outer sleeve fixed on an outside surface of the elastic member, for elastic torque transmission between the joint member and the shaft member, wherein the outer sleeve is fixed on the shaft member.

Abstract: A universal joint has a shaft including a pair of outer side planes at its front end a yoke connecting the pair of outer side planes of the shaft, the yoke including a base end portion having an opening portion and a pair of restraining plate portions having restraining faces opposing to the respective outer side planes and a through hole or a screw hole and a connecting portion connecting the pair of restraining plate portions and a restraining bolt screwing a male screw portion formed at a front end portion of the base end portion to fasten the outer side planes of the shaft, wherein the yoke is made of a material having a tensile strength 310 N/mm2 or more.

Abstract: A method of manufacturing a coupling element which is formed by interposing between a joint member and a hollow shaft member an elastic member for flexing and deforming upon a relative rotation between these members and forming stopper portions for restricting the relative rotation within a predetermined amount respectively on the joint member and the hollow shaft member. The method comprises the step of forming the or each stopper portion on the hollow shaft member by flaring an end of the hollow shaft member to form a flange while applying a pressing force in the axial direction onto the hollow shaft member, and then bending and raising the or each stopper portion on to increase the thickness of the root portion of the or each stopper portion such that it is greater than the thickness of the remainder of the flange.

Abstract: A steering apparatus includes: a fixed column; a bracket for fixing the fixed column to a vehicle body; a moving column fitted to the fixed column movably in a longitudinal direction of the vehicle body; an impact absorbing mechanism provided between the fixed column and the moving column; a steering shaft pivotally supported by the moving column, a steering wheel being fixed to a vehicle-body rear side of the steering shaft; and a single constant-velocity universal joint for coupling an output shaft of the steering shaft and a steering gear.

Abstract: An elastic shaft joint is constituted of a joint member, a shaft member being fitted in a shaft of the joint member, and an elastic bush having a cylindrical inner sleeve fitted and fixed on the joint member, a cylindrical elastic member fixed on an outside surface of the inner sleeve, and a cylindrical outer sleeve fixed on an outside surface of the elastic member, for elastic torque transmission between the joint member and the shaft member, wherein the outer sleeve is fixed on the shaft member.

Abstract: An elastic shaft coupling and a manufacturing method of an element of the coupling, which realize reduction of the manufacturing cost while maintaining a sufficient strength of the coupling. The elastic shaft coupling has a coupling element which is formed by interposing between a joint member and a hollow shaft member an elastic member for flexing and deforming upon a relative rotation therebetween and forming stopper portions for restricting the relative rotation within a predetermined amount respectively on the joint member and the hollow shaft member. The stopper portion on the hollow shaft member side is formed by plastically processing the end portion of the material of the hollow shaft member into a flange shape.

Abstract: A temporary connecting device for connecting a steering shaft of a vehicle to a universal joint of a steering mechanism. The device comprises a yoke of a universal joint, a shaft to be connected to the yoke, a bolt and a nut for fixing the shaft to the yoke and a clip for temporarily retaining the shaft in the yoke.

Abstract: A retractor including emergency locking mechanism including a ratchet plate mounted on a winding shaft onto and from which a webbing is wound and unwound, an inertia member which is turned in response to the rotation of the shaft, a latch member which is turned together with the shaft in a webbing pull-out direction so as to engage a pawl with the ratchet plate to lock the shaft to prevent it from being rotated in such a direction as to allow the webbing to be pulled out of the retractor, and a locking mechanism for coupling the latch member to the shaft when the turning of the inertia member lags behind that of the shaft; and a clamping mechanism for pinching the webbing between a swingable clamping engagement member and the inner surface of the base of the retractor so as to prevent the webbing from being pulled out of the retractor, wherein a control mechanism for either swinging the clamping engagement member in a webbing pinch direction so as to put the engagement member in a first position for preventin