Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1988-11-29
1990-12-11
Hermann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Elements
74493, 74536, 74540, 403 93, G05G 518, B62D 118
Patent
active
049761676
ABSTRACT:
A tilt telescope steering column comprises a bracket pivotably supporting a housing between first and second pivot limits. The first and second pivot limits may be changed. A pair of screws attach the housing to the bracket and clearance between the screws and the housing is taken up. A tubular member is located within the housing and is axially movable relative to the housing. Axially spaced bearings engage the housing and the tubular member to take up clearance therebetween. A tilt blocking mechanism includes a lock member carried by the housing and movable to a position blocking relative pivotal movement between the housing and the bracket. The lock member is moved against a surface of the housing when the lock member is in its blocking position to take up clearance between the lock member and the housing. A telescope blocking mechanism includes a lock pin which is movable to a position blocking relative axial movement of the tubular member and the housing. A cam member is supported for pivotal movement by the lock pin. The lock pin is moved away from its blocking position in response to the cam pivoting in a first direction. The lock member is moved away from its blocking position in response to the cam pivoting in a second direction opposite the first direction.
REFERENCES:
patent: 1974973 (1934-09-01), Paul
patent: 3570322 (1969-04-01), Krouse
patent: 4033158 (1977-07-01), Chamberlain et al.
patent: 4572023 (1986-02-01), Euler
patent: 4649769 (1987-03-01), Venable
patent: 4753121 (1988-06-01), Venable et al.
Hudgens Bernard C.
Venable Frederick D.
Hermann Allan D.
TRW Inc.
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