Machine element or mechanism – Control lever and linkage systems – Hand operated
Reexamination Certificate
2005-03-11
2010-12-14
Ridley, Richard W (Department: 3656)
Machine element or mechanism
Control lever and linkage systems
Hand operated
C074S492000
Reexamination Certificate
active
07849763
ABSTRACT:
The invention relates to a device for fixing an at least height-adjustable steering column. The device includes a clamping device provided with a clamping element having an open position in which the height adjustment is released. When the clamping element passes from the opening position thereof to the closed position thereof, toothings engage with each other. A blocking element has a blocking position in which it blocks the lifting of the counter-fixing part from the fixing part, maintaining the engagement of the toothings, and a release position in which the counter-fixing part can be lifted from the fixing part. A coupling is provided between the clamping element and the blocking element During the displacement of the clamping element from the closed position to the open position, the blocking element assumes the release position only if the clamping element has already authorised the lifting of the counter-fixing part from the fixing part by the force of at least one spring in so far as the toothings thereof are no longer engaged.
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Boes Terence
Ridley Richard W
Thyssenkrupp Presta Aktiengesellschaft
Wenderoth , Lind & Ponack, L.L.P.
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