Land vehicles – Wheeled – Running gear
Reexamination Certificate
2002-01-25
2004-12-14
Dickson, Paul N. (Department: 3616)
Land vehicles
Wheeled
Running gear
C074S493000
Reexamination Certificate
active
06830267
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an adjustable steering column.
BACKGROUND INFORMATION
A steering column is generally fixed mechanically (jammed) in the position desired by the driver via a worm gear, via rocker arms or according to the principle of the inclined plane (wedge effect). Disadvantageous in this context is that the clamping force must be applied manually. As a result, it is highly specific to the person, so that clamping reliability is only partially fulfilled. Furthermore, the arresting device can loosen during travel operation due to settling of the components.
In the case of pneumatic actuation, the clamping force is generated by a compression spring or disk spring and is intensified via levers or according to the principle of the inclined plane.
To release the clamping force/arresting, the prestress force of the compression or disk spring is offset by way of a piston actuated by compressed air (compressed air cylinder).
Disadvantages of such steering columns include the high number of parts and the cost.
SUMMARY
An example embodiment of an adjustable steering device according to the present invention may provide the following advantage: It includes a sturdy, inexpensive and functionally reliable arresting device for actuation by hand or pneumatically or electromagnetically, particularly electromotively.
REFERENCES:
patent: 3799569 (1974-03-01), Baker
patent: 4753121 (1988-06-01), Venable et al.
patent: 4776189 (1988-10-01), Weber et al.
patent: 4788880 (1988-12-01), Kester
patent: 5035446 (1991-07-01), Arvidsson
patent: 5048364 (1991-09-01), Minamoto et al.
patent: 5242195 (1993-09-01), Wendling
patent: 5626059 (1997-05-01), Bobbitt et al.
patent: 6131481 (2000-10-01), Wilson et al.
patent: 6138525 (2000-10-01), Riefe et al.
patent: 6666478 (2003-12-01), Livengood
patent: 2003/0094061 (2003-05-01), Cartwright et al.
patent: 647 469 (1985-01-01), None
patent: 195 45 438 (1997-06-01), None
patent: 2 092 966 (1982-08-01), None
patent: 7-257402 (1995-10-01), None
patent: 10-129503 (1998-05-01), None
Budaker Martin
Seitz Gerhard
Dickson Paul N.
Kenyon & Kenyon
Spisich George D.
ZF Lenksysteme GmbH
LandOfFree
Adjustable steering column does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Adjustable steering column, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adjustable steering column will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3327742