Machine element or mechanism – Control lever and linkage systems – Hand operated
Patent
1999-05-06
2000-10-24
Bucci, David A.
Machine element or mechanism
Control lever and linkage systems
Hand operated
280775, 267174, B62D 118
Patent
active
061349836
ABSTRACT:
A tilt-adjustable motor vehicle steering column including a stationary mast jacket, a tilt housing supported on the mast jacket for up and down pivotal movement, an articulated steering shaft having a lower portion rotatably supported on the mast jacket and an upper portion rotatably supported on the tilt housing, a steering hand wheel on the upper portion of the steering shaft, and a balance spring preloaded in compression flexure between an inboard spring seat on the mast jacket and an outboard spring seat on the tilt housing. The tilt housing has a spring bore therein facing the inboard spring seat. The outboard spring seat is a screw thread in the spring bore defined by a raised boss in the spring bore. The balance spring is a helical coil spring having a helix angle matching the screw thread in the spring bore. Rotation of the balance spring in the spring bore advances an inboard end of the balance spring toward the inboard spring seat. After the inboard end of the balance spring engages the inboard spring seat, continued rotation of the balance spring preloads the latter in compression flexure between the inboard and the outboard spring seats.
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Armstrong Ray Garnet
Riefe Richard Kremer
Anderson Edmund P.
Bucci David A.
Delphi Technologies Inc.
Hansen Colby
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