Patent ID: 7556227
Filing Date: 2009-07-07
Classification: A47L,D06F,F16M

Abstract:
1. A height-adjustable foot for an appliance, comprising: an externally threaded shank provided with an elongate axial groove in the peripheral surface thereof; a sprocket provided with a threaded axial bore seated on the shank and shiftable between a first orientation in which the sprocket is secured against rotation and a second orientation in which the sprocket is free to rotate; a first axial shoulder at one end of the sprocket provided with means for preventing rotation of the sprocket in the first orientation thereof; a second shoulder at the opposite end of the sprocket for allowing rotation of the sprocket in the second orientation thereof; and a rod extending angularly of the shank and protruding into the elongate groove thereof and configured to secure the shank against rotation when the sprocket is in its second orientation.