| 摘要 |
A steering shaft assembly of the telescopic type having a lower shaft rotatably supported in place within a stationary lower column tube, an upper shaft rotatably supported in place within an upper column tube axially movably coupled within the lower column tube and provided thereon with a steering wheel, the upper shaft being telescopically connected to the lower shaft in such a manner as to restrict relative rotation to the lower shaft, and a lock mechanism for releasably fastening the upper column tube to the lower column tube at an adjusted position, wherein a shock absorbing mechanism is provided in combination with the lock mechanism for absorbing an impact force applied to the steering wheel.
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