A jack stand apparatus for use with commonly available jacks, particularly for vehicles with insufficient surface area for both jacks and jack stands to be used on the specified lifting points. In one embodiment, the jack stand comprises an axle assembly, a lift pad assembly, a plurality of height adjustable leg assemblies where the leg assemblies may be rotated with respect to the axle assembly, and a leg locking mechanism. In one embodiment, the foldable device is collapsed into a planar orientation, and positioned on top of a jack's lifting plate; passed under the vehicle, including low profile and limited clearance vehicles. Once the apparatus and vehicle are lifted with the jack, the legs of the apparatus are locked into position to support the lifted vehicle, and the jack is safely removed.

A jack stand apparatus for use with commonly available jacks, particularly for vehicles with insufficient surface area for both jacks and jack stands to be used on the specified lifting points. In one embodiment, the jack stand comprises an axle assembly, a lift pad assembly, a plurality of height adjustable leg assemblies where the leg assemblies may be rotated with respect to the axle assembly, and a leg locking mechanism. In one embodiment, the foldable device is collapsed into a planar orientation, and positioned on top of a jack's lifting plate; passed under the vehicle, including low profile and limited clearance vehicles. Once the apparatus and vehicle are lifted with the jack, the legs of the apparatus are locked into position to support the lifted vehicle, and the jack is safely removed.

A method for mutually positioning tubes. End faces, which includes a generally annular and generally circular end surface near an inner surface of the tube and a beveled edge surface connecting the end surface to an outer surface of the tube, are provided on first and second tubes, respectively. Plural clamping cylinders are engaged with the first and second tubes, respectively. Each cylinder is radially arranged onto and evenly distributed around respective tubes. The first and second tubes are pre-positioned relative to each other such that their respective end faces are opposite each other. At least one radial offset is assessed between the respective end surfaces of the first and second tubes. The clamping cylinders of the first and/or second tube are moved relative to each other in accordance with the assessed radial offset based on an optimization of areas in which their respective end surfaces coincide.

Top-of-rack (TOR) switches are connected to a network fabric of a data center. Each TOR switch corresponds to a respective rack of the data center, and is configured to provide access to the network fabric for computing devices mounted in the respective rack. A request is received, from a client device via a portal, to configure a first rack of the data center. Configuration data is received, from the client device, for a first virtual network to be accessed by a first computing device mounted in the first rack. In response to receiving the configuration data, a first TOR switch of the first rack is configured, which includes associating the first virtual network with the first TOR switch.

The lifting/lowering device (100) includes: a first plate member (51); a second plate member (52) to which the first plate member (51) is rotatably connected; a first expansion and contraction bag (31) which is disposed between the first plate member (51) and the second plate member (52) and is capable of expanding and contracting by gas supply and exhaust; a third plate member (53) to which the second plate member (52) is rotatably connected; a second expansion and contraction bag which is disposed between the second plate member (52) and the third plate member (53) and is capable of expanding and contracting by gas supply and exhaust. The first plate member (51), the first expansion and contraction bag (31), the second plate member (52), the second expansion and contraction bag (32) and the third plate member (53) are disposed so as to overlap in a plan view.

A vehicle lift system includes a plurality of mobile lift columns each including a wireless communication system for sending and receiving wireless signals, each of the plurality of mobile lift columns further including an inclinometer for detecting an amount of tilt of the plurality of mobile lift columns. A remote control unit includes a wireless communication system capable of transmitting wireless control signals to the plurality of mobile lift columns. A control unit is associated with the plurality of lift columns for controlling operation of the plurality of lift columns, the control unit further receiving a signal indicative of the amount of tilt of the plurality of mobile lift columns and providing a warning signal if any mobile lift column has an amount of tilt exceeding a predetermined amount.

The device comprises a combination of an inflatable air cushion member of a flexible but non-stretchable air tight sheet material and a support block. The inflatable air cushion member is formed as a bag unit comprising opposite layers of said sheet material provided face to face and joined along an edge area to form a double layer edge.

The present invention provides a double parallelogram vertical lifting device comprising a linkage mechanism and a pushing device. The linkage mechanism comprises a first shaft seat, a second shaft seat, a third shaft seat, an upper support unit movably coupled to the first shaft seat and the second shaft seat on both ends, and a lower support unit movably coupled to the second shaft seat and the third shaft seat on both ends. The upper support unit is provided with a first gear, and the lower support unit is provided with a second gear that meshes with the first gear. The pushing device has one end set on the upper support unit and the other end set on the lower support unit. The invention utilizes the interaction of the first gear and the second gear to generate a reaction force, which enables the lower support unit to cooperate with the upper support unit to move up and down synchronously, and achieves the effect of simple structure and large load capacity.

The present invention provides a double parallelogram vertical lifting device comprising a linkage mechanism and a pushing device. The linkage mechanism comprises a first shaft seat, a second shaft seat, a third shaft seat, an upper support unit movably coupled to the first shaft seat and the second shaft seat on both ends, and a lower support unit movably coupled to the second shaft seat and the third shaft seat on both ends. The upper support unit is provided with a first gear, and the lower support unit is provided with a second gear that meshes with the first gear. The pushing device has one end set on the upper support unit and the other end set on the lower support unit. The invention utilizes the interaction of the first gear and the second gear to generate a reaction force, which enables the lower support unit to cooperate with the upper support unit to move up and down synchronously, and achieves the effect of simple structure and large load capacity.

A laboratory lift mechanism includes a platen rotatably engaged with a base in a laboratory cabinet. The platen can support a heavy piece of laboratory equipment. Lift bags are engaged with the base and can be inflated to raise the base with the laboratory equipment.