| 摘要 |
<p>OF TEE DISCLOSURE An adjustable column with a pair of telescopically coupled members with a spring biased latch on an inner member which selectively engages notches along a longitudinal slot in the outer member. A manually tightenable lock secures the members together in a direction approximately parallel to the latch's movement. The lock also includes the protruding head to act as a pushbutton for disengaging the latch.</p> |
