초록 ▼

A vertically adjustable table includes a base having an upright rectangular tube, a square post slidably received within the tube, and a table top supported at the upper end of the post. The post slidably engages one of the narrow walls of the tube and a horizontal slot is provided near the top of t

A vertically adjustable table includes a base having an upright rectangular tube, a square post slidably received within the tube, and a table top supported at the upper end of the post. The post slidably engages one of the narrow walls of the tube and a horizontal slot is provided near the top of the opposite narrow wall thereof. An integral locking member made from a bent metal plate is generally U-shaped, has a bight located near the upper end of the second wall of the tube and has two legs which diverge downwardly. One leg extends into a space between the tube and post, has a semicylindrical inward bend near the lower end thereof which is of a diameter slightly greater than the space between the post and tube, and has an elongate tab at the outer end thereof which is loosely received in the slot in the tube. Limited pivotal movement of the locking member is possible about a horizontal axis defined by the cooperating tab and slot, a cam surface in the region of the semicylindrical bend being thereby moved into and out of engagement with the post. A spring urges the locking member to pivot in a direction moving the cam surface into engagement with the post.

대표청구항 ▼

In a vertically adjustable table, including an upright tube and an upright post telescopically slidably received within said tube, one of said tube and post being supported on a base and the other of said tube and post having a table top supported at the upper end thereof, and including locking mean

In a vertically adjustable table, including an upright tube and an upright post telescopically slidably received within said tube, one of said tube and post being supported on a base and the other of said tube and post having a table top supported at the upper end thereof, and including locking means cooperable with said tube and post for releasably securing them against relative movement, the improvement comprising wherein a first wall portion of said post slidably engages a first wall portion of said tube and respective second wall portions of said tube and post on sides thereof opposite said first wall portions are spaced from each other, said second wall portion of said tube having means for receiving a tab near an end thereof, said locking means including a single piece locking member having a tab thereon received in said tab receiving means so that said locking member is thereby rendered pivotal about a generally horizontal axis lying generally in the plane of said second wall portion of said tube, having a cam surface thereon directly intermediate said tab receiving means and said second wall portion of said post and being movable into and out of engagement with said second wall portion of said post in response to said pivotal movement of said locking member, and having a manually graspable portion extending out of said space between said post and tube past said end of said tube, and including resilent means for yieldably urging pivotal movement of said locking member relative to said tube in a first direction which corresponds to movement of said cam surface into engagement with said second wall portion of said post.