Land vehicles – Wheeled – Running gear
Reexamination Certificate
2007-12-25
2007-12-25
Dickson, Paul N. (Department: 3616)
Land vehicles
Wheeled
Running gear
C188S374000
Reexamination Certificate
active
10679505
ABSTRACT:
A shock absorbing type steering device decreases variations in press fitting loads corresponding to a friction force between two columns. A shock can be appropriately absorbed by relative movements of the two columns in an axial direction. At least one of a first column and a second column press fitted into an opening at one end of the first column is formed with swaged parts on a peripheral wall thereof at a plurality of positions having intervals in a circumferential direction of the column, respectively at a plurality of positions having intervals in an axial direction of the column. Positions of tip ends of the swaged parts are different between a group of swaged parts near the opening at the end of the first column and other groups remote from the opening.
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J. Banshoya, et., “Energy-Absorbing Steering Column For Small Cars Utilizes Friction and Plastic Deformation”, SAE Journal, vol. 76, No. 7, Jul. 1, 1968, pp. 36-38, XP002000032.
Hirakushi Shuzo
Minamoto Noboru
Niwa Ken
Dickson Paul N.
Koyo Seiko Co. Ltd.
McCreary, Jr. Leonard
McGinn IP Law Group PLLC
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