Title:
POSITIONING TYPE STEERING COLUMN DEVICE
Document Type and Number:
WIPO Patent Application WO/2004/007260
Kind Code:
A1
Abstract:
A positioning type steering column device, comprising a steering column (1) having a bulged part (19) formed by a hydraulic pressure bulge forming method, the bulged part (19) further comprising a pair of flat surface parts (20) opposed, back to back, to vertical plate parts for tightening of a body mounting bracket, the pair of flat surface parts (20) further comprising projected parts (21) outward-projectedly formed toward the vertical plate parts opposed thereto, whereby even if a warpage occurs on the flat surface parts (20) by punching out when the bulged part (19) is formed by the hydraulic pressure bulge forming method, a steering column tightening holding force can be prevented from lowering.
Inventors:
SAWADA NAOKI (JP)
Application Number:
PCT/JP2003/008378
Publication Date:
January 22, 2004
Filing Date:
July 01, 2003
Export Citation:
Assignee:
NSK LTD (JP)
SAWADA NAOKI (JP)
SAWADA NAOKI (JP)
International Classes:
B62D1/16; B62D1/184; (IPC1-7): B62D1/18
Foreign References:
| JPH08276852A | 1996-10-22 | |||
| JPH107003A | 1998-01-13 | |||
| JPS6330605Y2 | 1988-08-16 | |||
| JPS5591371U | 1980-06-24 | |||
| JPS5933043A | 1984-02-22 | |||
| JPH058783A | 1993-01-19 | |||
| JPH08276852A | 1996-10-22 | |||
| JPH107003A | 1998-01-13 |
Other References:
See also references of EP 1553002A4
Attorney, Agent or Firm:
Okawa, Akira (9-8 Hatchobori 3-chom, Chuo-ku Tokyo, JP)
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