Motor vehicles – Steering gear – With fluid power assist
Reexamination Certificate
2005-03-08
2005-03-08
Boehler, Anne Marie (Department: 3611)
Motor vehicles
Steering gear
With fluid power assist
C180S426000
Reexamination Certificate
active
06863148
ABSTRACT:
The invention relates to a rotary slide valve (1) of servo-assisted steering systems for motor vehicles that comprises an input and an output element (3, 4), which can rotate in relation to one another around a limited angle of rotation, and comprises a coupling connection (10) of the output element (4) to a control slide (7). A torque-transmitting, non-distorted coupling connection (10) between the control slide (7) and the output element (4) is provided by a coupling pin (10), which is fixed inside the output element (4) and radially extends into a seat of the control slide (7). The seat axially tapers to a cross-section that matches the cross-section of the coupling pin (10), whereby it is easy to insert the coupling pin (10) into the seat and possible to attain a play-free supporting position for the coupling pin (10) by axially displacing the output element (4) or the coupling pin (10) and control slide (7) in relation to one another.
REFERENCES:
patent: 5357845 (1994-10-01), Sangret
patent: 5511630 (1996-04-01), Kohata et al.
patent: 5842536 (1998-12-01), Birsching
patent: 36 34 215 (1987-04-01), None
patent: 2 178 379 (1973-11-01), None
patent: 11-208491 (1999-08-01), None
patent: 0176933 (2001-10-01), None
Hoffer Andreas
Schaenzel Rainer
Boehler Anne Marie
Jordan and Hamburg LLP
ZF Lenksysteme GmbH
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