Adjustable automotive steering column with adjustable tilt and t

Details Adjustable automotive steering column with adjustable tilt and t Adjustable automotive steering column with adjustable tilt and t

1984-10-11

1986-08-26

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74534, 74541, B62D 118

Patent

active

046075402

ABSTRACT:
A pivotable steering column is adjustable to any of a number of angular positions defined by the teeth of two elements of a first locking device. A manual lever can be raised to disable the first lock and allow selection of a different steering wheel inclination. The steering wheel can be moved to its uppermost position by lowering the manual lever once. In this case, the first lock maintains engagement of the teeth of the aforementioned two element, and a powerful spring pulls the steering column upward to the uppermost position irrespective of the first lock. A second lock then becomes wedged between the pivotable and stationary parts of the steering column, thus holding the former in the uppermost position. Lowering the manual lever a second time disengages the second lock, allowing the steering column tilt cown from the uppermost position. Thus, the steering column returns to an originally set driving position defined by locking engagement of the first lock.

REFERENCES:
patent: 3302478 (1967-02-01), Pauwels
patent: 3355962 (1967-12-01), Gerdes et al.
patent: 3421385 (1969-01-01), Sippel
patent: 4033158 (1977-07-01), Chamberlain et al.
patent: 4078448 (1978-03-01), Naka
patent: 4102218 (1978-07-01), Naka et al.
patent: 4300407 (1981-11-01), Kopf
patent: 4422346 (1983-12-01), Nishikawa
patent: 4463626 (1984-08-01), Kazaoka et al.
patent: 4530254 (1985-07-01), Toyoda et al.
U.S. patent application Ser. No. 494,573 for Automotive Steering Column Tilt Adjusting Device (specification, claims, drawings), filed 5-13-83.

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