Abstract: The invention relates to a furniture fitting having a grooved loop-shaped guideway for guiding an equipment supporting plate in a generally vertical direction and locking it in at least two positions at different elevations. Means are provided for preventing a guide pin from entering at least one of the two guideway branches from the undesired direction. The invention resides in the sections (28, 35, 40, 29, 51, 52, 48) of the grooved guideway being provided with steps having steeply rising surfaces (33, 38, 41, 43, 53), the pin end (32) moving in the grooved guideway being urged against the bottom of the groove by spring means (21, 62), and the rising surfaces of the steps forming stops for the pin end (32) in one direction of movement.

Abstract: A mailbox support which has an elongated frame slidably fitted between diagonal brackets on a collar attached to a pole, the frame being pivotal about its contact points against the brackets, and the collar being adjustably clamped against the pole between a plate and a facing U-channel.

Abstract: The structure includes a container having a bottom wall with slotted apertures having thin parallel side edge members through which tennis balls can be squeezed. At least one edge member of each aperture includes a roller to reduce the frictional resistance to the entry of the ball through the aperture. A support is provided for supporting the container with the bottom wall spaced above the supporting surface to prevent wear on the bottom wall.