Abstract: A trenching machine comprising a wheeled frame and a first motor mounted on the frame is provided. The first motor drives a digging chain carried on a chain guide extending from the machine. The chain guide is pivotally mounted coaxially with a drive chain drive sprocket. An actuating arm for pivotally moving the chain guide relative to the frame, a lock to lock the chain guide in a desired pivotal position, and a second motor mounted on the frame, are also provided. The second motor drives at least one of the machine wheels for moving the machine along the ground. The second motor is releasably engaged to at least one of the machine wheels.

Abstract: The present invention is directed to a stackable, recyclable, plastic beverage tasting vessel, preferably used for tasting wine. The vessel comprises a bottom portion and a side wall extending upwardly and outwardly from the bottom portion and terminating in an open top having an outwardly extending rim. The rim comprises one or more of the following portions: (a) a curved portion with a plurality of radially extending ridges for aerating the beverage, (b) an angled edge portion, and (c) a curved pouting lip portion. The vessel may further comprise a raised portion or dome formed in the bottom of the vessel and projecting upwardly into the interior of the vessel, and a platform portion formed on a portion of the raised portion. The vessel may further comprise at least one radially projecting rib integral with the interior surface of the side wall and positioned opposite the platform portion. The platform portion and the rib are designed to maximize the mixing of the beverage inside the vessel.

Abstract: A hoist for a vehicle including a lower chassis (2) adapted for secure placement on and optional general movement about a floor, an upper platform (1) fitted to said chassis and movable between a first lowered position to a second raised position wherein said hoist is capable of placement underneath a vehicle when in said first position and said platform and chassis remain coplanar during movement between said first and second positions and both said platform and said chassis have a footprint sufficient to allow stable holding of a vehicle when mounted on said hoist characterized in that said hoist is fitted with a locking means for holding said upper platform in said raised position said locking means including an elongate locking arm (24) pivotally fitted to one end (52) of said chassis and telescopically passing through a collar (25) pivotally fitted to the other corresponding end (53) of said platform wherein said collar has a lock adapted to co-operate with said locking arm, to arrest said telescopic mov