Spring devices – Vehicle – Mechanical spring and nonresilient retarder
Reexamination Certificate
2000-09-28
2001-09-25
Oberleitner, Robert (Department: 3613)
Spring devices
Vehicle
Mechanical spring and nonresilient retarder
C267S175000, C267S177000, C267S286000
Reexamination Certificate
active
06293533
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention concerns a dashpot for wheel suspensions in motor vehicles.
The present invention concerns a dashpot for wheel suspensions in motor vehicles as recited in the preamble to claim
1
.
Dashpots of this genus are employed to suspend and position preferably the wheels that are subject to steering.
A dashpot of this genus is known from German 2 656 707 A1. It includes a spring cup that can be raised off and lowered against a shock absorber or its accommodating tube. This feature facilitates adaptation of the shock absorber's or dashpot's geometry to motors of different weight employed in the same model vehicle. It is particularly desirable when the same dashpot height is required in different countries. Less stock will need to be kept on hand when manufacturing various automobiles in the same series but with different features for example.
There is, however, a drawback to the approach employed in German 2 656 707 in that the position of the spring cup on the shock absorber or its accommodating tube cannot be raised and lowered in precise increments.
SUMMARY OF THE INVENTION
The object of the present invention is accordingly a simple means of reliably attaching the spring cup to the shock absorber or its accommodating tube such that the spring can be raised and lowered in precise increments.
The dashpot in accordance with the present invention has several advantages, the major ones being that the spring cup can be lowered against and raised off the shock absorber or its accommodating tube in precise increments and that the attachment will still be reliable. Furthermore, considerably less noise is transmitted from the wheels to the rest of the vehicle.
REFERENCES:
patent: 5044614 (1991-09-01), Rau
patent: 5553713 (1996-09-01), Sydekum et al.
patent: 5553836 (1996-09-01), Ericson
patent: 5954318 (1999-09-01), Kluhsman
patent: 5961106 (1999-10-01), Shaffer
Fogiel Max
Krupp Bilstein GmbH
Oberleitner Robert
Torres Melanie
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