摘要 |
A SHOCK ABSORBING DEVICE FOR STEERING COLUMNS IS DISCLOSED. THE SHOCK ABSORBING DEVICE IS PROVIDED IN THE INTERFERENTIAL FITTING JUNCTION BETWEEN THE UPPER AND LOWER COLUMNS (110, 120) OF A STEERING COLUMN. THE SHOCK ABSORBING DEVICE HAS A PLURALITY OF FRICTION MEMBERS (111), FORMED ON THE UPPER COLUMN (110) BY A PIERCING PROCESS WITH THE BASE PART OF EACH FRICTION MEMBER (111) FACING THE OUTSIDE THE UPPER COLUMN (110) AND THE REMAINDER BEING FOLDED DOWN INTO THE INTERNAL SURFACE OF THE UPPER COLUMN (110) TO FORM A FRICTION PART (112). THE FRICTION PART (112) IS BROUGHT INTO FRICTIONAL CONTACT WITH THE EXTERNAL SURFACE OF THE LOWER COLUMN (120), THUS INCREASING THE FRICTIONAL CONTACT AREA OF THE SHOCK ABSORBING DEVICE. THE SHOCK ABSORBING DEVICE EFFECTIVELY ABSORBS AND RELIEVES SHOCK IN THE INITIAL STAGE OF A CAR COLLISION, THUS EFFECTIVELY PREVENTING THE SHOCK FROM BEING TRANSMITTED TO A STEERING WHEEL IN ORDER TO PROTECT THE DRIVER IN A COLLISION. (FIG. 5)
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