Patent ID: 9222495
Filing Date: 2015-12-29
Classification: F16B

Abstract:
1. An assembly comprising: a movable column with an upper end and a lower end wherein the lower end includes a recessed opening; and a locking foot assembly comprising a base foot and a locking mechanism, wherein the base foot includes a tubular housing, a bottom plate attached a lower end of the housing, and a top plate attached to an upper end of the housing, the top plate having an aperture, and wherein the locking mechanism is attached to the top plate and includes a latch which is spring biased and at least partially extends outward from the base foot through the aperture in the top plate such that the latch comes into contact with the lower end of the movable column as the lowered of the movable column moves into a position adjacent the top plate of the base foot, and is retractable inward into the base foot when the spring is compressed, such that the latch of the locking mechanism can both engage and disengage the recessed opening in the lower end of the movable column.