Abstract: A lifting device configured with a linear bearing system operatively associated with a support system configured for raising, lowering and positioning pipes for installation, service, or removal.

Abstract: The present invention is a vehicle lift. In particular, the present invention is directed to a vehicle lift that has an adjustable vehicle receiver mount that is vertically adjustable and horizontally adjustable. The vehicle receiver mount has two lifting arms and two support arms pivotally attached. The lifting arms are each pivotally attached to a platform shoe and the support arms are attached to vertical rotation cups. The extruded aluminum vehicle platform is pivotally mounted on four pivot arms. The pivot arms are pivotally attached to the platform. The lift is attached to the vehicle receiver mount and is also attached to a crossbar mounted between the two lifting arms. The drive is preferably a single unit hydraulic drive. The vehicle receiver mount also has a towing receiver. The vehicle platform preferably has two channels with tethering and anchoring hardware, a vehicle stop and entrance ramp mounted on the channels.

Abstract: The disclosed technology includes temporary support structures for use in the repair of a transmission tower. A typical transmission tower includes a tripod that receives the load of the tower and distributes it to piles embedded in the ground. A temporary support structure can temporarily remove the load of the transmission tower from the tripod to enable removal of the tripod and installation of a new tripod. A temporary support system can include a bearing platform system attachable to piles of the transmission tower, a bearing frame supported by the bearing platform system, a lifting system supported by the bearing frame, and a flower pot adapter configured to attach to a portion of the transmission tower, and the temporary support system can thereby be configured to remove the load of the transmission tower from the tripod of the transmission tower.

Abstract: A method of raising a framed structure. The method comprises the steps of: supporting a roof structure of the framed structure, cutting a stud of the framed structure at a desired level, leaving a bottom portion of the stud in place, removing a top portion of the stud, raising the roof structure of the framed structure, installing a flooring structure on the bottom portion of the stud, building a wall structure using a second stud supported by and secured to the flooring structure, lowering the roof structure onto the wall structure, and securing the roof structure to the wall structure. The method also allows for the leveling of the framed structure without modifications to the foundation.

Abstract: The height of a platform relative to a support surface is adjustable by rotating a drive shaft to actuate a first height-adjusting device and a second height-adjusting device, thereby changing the height of the respective ends of the first and second height-adjusting devices relative to the support surface. The drive shaft is selectively drivable by either a drive motor or a manually-operable drive.

Abstract: A utility tower lifting apparatus and method for raising a lattice tower in addition to carried transmission cables without disturbing the tower foundation, disconnecting the cables, or requiring de-energization of the transmission lines.

Abstract: A scissor lift comprises a load support, a lift support and at least one scissor assembly defined between the load support and the lift support, the at least one scissor assembly being driven into an open or a closed position by a drive device that enables movement of the load support relative to the lift support with the opening and closing of the at least one scissor assembly, wherein the at least one scissor assembly is further defined by a pair of arms attached at a pivot, and where the pair of arms further comprises a curved outer surface that engages a portion of a drive device for urging the scissor arms apart and for moving the load support relative to the lift support.

Abstract: A lifting bracket assembly is disclosed. The lifting bracket assembly includes a motor, a pair of gear heads mechanically coupled to the motor such that each of the gear heads is coupled to a jack screw connector, a first and second jack screw, wherein each of the jack screws is coupled to one of the jack screw connectors and one of the gear heads, a first lifting bracket rotatably coupled to the first jack screw, a second lifting bracket rotatably coupled to the second jack screw, wherein the first and second jacks screws are different, a first guide tube fixedly coupled at a first end to the first lifting bracket and coupled to a first rail beam at a second end, and a second guide tube fixedly coupled at a first end to the second lifting bracket and coupled to a second rail beam at a second end.

Abstract: A lifting system for a vertically-elevating cab, the lifting system includes a frame assembly having a first and a second support column, first and a second lift screws which are attached to the, respective, first and second support columns, a cab-lifting beam that has a first and a second end attached to the, respective, first and second lift screws. A vertically-elevating cab is mounted on the cab-lifting beam in such a manner that a center of gravity of the cab is not aligned with a center of the cab-lifting beam. A plurality of rollers are located on each end of the lifting beam. Each one of the plurality of rollers is in contact with a guide bar on each of the respective first and second support columns, and a first and a second power system is connected to the, respective, first and second lift screw.

Abstract: A jacking mechanism for industrial equipment includes an insert securable in a casing hole of a first casing half of an item of industrial equipment and a jacking bolt insertable in the insert. The jacking bolt includes a jacking bolt thread meshable with an insert thread and a bearing tip secured to the jacking bolt. Advancing the jacking bolt through the insert brings the bearing tip into contact with a second casing half thus moving the first casing half relative to the second casing half. A jacking system for industrial equipment includes a plurality of jacking mechanisms configured to evenly change a gap between the first casing half and the second casing half.

Abstract: A support frame for elevating an object includes an object engaging portion connected to a guide assembly. The guide moves along a support assembly by actuation of an elevation assembly. The support assembly may be releasably connected to a base by a removable pin allowing the device to fold for storage. The guide includes a safety mechanism whereby a pin connected to the guide slidably engages apertures in the support assembly. The elevation assembly may include a threaded member connected to the guide, and an elongated support member threadably engaging the threaded member. Rotation of the elongated support member moves the guide along the support and elevates the object engaging portion. The elevation assembly may include a pulling force member connected to the guide assembly.

Abstract: A lifting device that raises persons with limited mobility from a first position, such as lying on the floor, to a second position, such as a sitting or standing position, and vice versa. The lifting device has a base, a plurality of supports which extend from the base and a platform connected to the supports. The platform travels upon the supports by way of a plurality of gears which are connected to a power source which is controlled by a controller. In this way the platform travels between a first position, such as adjacent the floor, and the second position, such as sitting or standing.

Abstract: A multi-function deck tool is powered by a portable electric drill to remove old deck boards and nails and install new boards. Lifting forks remove deck boards. A built-in nail puller removes nails from the deck board supporting beam. An aligning arm attachment straightens and aligns new or loose boards with nailed-in boards and holds them in place, freeing the hands of the installer to nail in the new board.

Abstract: A telescopic structure formed by various bodies that are raised by a raising system which comprises a multitude of base pieces (3) which are joined to the outermost body (2) of the telescopic structure (1) to which some hydraulic telescopic and vertical cylinders are bolted (4) supported by the base pieces (3), with a cylinder being situated (4) on top of each base piece (3) and said cylinders being able to close in and move away from the structure (1) through some channels and some pieces (5) joined to some supporting elements (6) perpendicular to the wall of the structure, with said pieces being situated over the cylinders (4), in a way that on closing in on the cylinders of the structure, the supporting elements are introduced into the drills (7) corresponding to the body that is going to raise up and when the cylinder rises up, the corresponding body rises up.

Abstract: A vertical lift platform assembly 100 has a lift platform 140, which is translatable in a vertical direction between at least a raised position and a lowered position by at least one actuator 200. The lift platform 140 may be surrounded on all sides by vertically extending walls 112 and one or more doors 110 to provide access to the lift platform 140. A control panel 113 enables an operator to control the vertical travel of the lift platform 140.

Abstract: A lift mechanism for raising and lowering a movable roof on a recreational vehicle. The lift mechanism includes a base, a drive assembly attached to the base, and an elevation assembly attached to the base and configured for cooperation with the drive assembly. The elevation assembly is configured to operate between a lowered position and a raised position to provide vertical movement to the movable roof.

Abstract: A lifting bracket assembly is disclosed. The lifting bracket assembly includes a motor, a pair of gear heads mechanically coupled to the motor such that each of the gear heads is coupled to a jack screw connector, a first and second jack screw, wherein each of the jack screws is coupled to one of the jack screw connectors and one of the gear heads, a first lifting bracket rotatably coupled to the first jack screw, a second lifting bracket rotatably coupled to the second jack screw, wherein the first and second jacks screws are different, a first guide tube fixedly coupled at a first end to the first lifting bracket and coupled to a first rail beam at a second end, and a second guide tube fixedly coupled at a first end to the second lifting bracket and coupled to a second rail beam at a second end.

Abstract: A jacking mechanism for industrial equipment includes an insert securable in a casing hole of a first casing half of an item of industrial equipment and a jacking bolt insertable in the insert. The jacking bolt includes a jacking bolt thread meshable with an insert thread and a bearing tip secured to the jacking bolt. Advancing the jacking bolt through the insert brings the bearing tip into contact with a second casing half thus moving the first casing half relative to the second casing half. A jacking system for industrial equipment includes a plurality of jacking mechanisms configured to evenly change a gap between the first casing half and the second casing half.

Abstract: A method and device for supporting a structure above a fixed surface. The device can include a support pedestal whose height is adjustable through a range of heights without a substantial gap in the obtainable heights. In one embodiment, the support pedestal can include a base member, a support member and a coupling member operatively connecting the base member and the support member. The coupling member can include first and second cylindrical walls, whereby an outer wall of the coupling member bears directly on an outer wall of the base member. Locking members can be utilized to operatively attach the coupling member to at least one of the base member or the support member. The locking members can function to increase the structural stability of support pedestal.

Abstract: A post adjustable in length as required. The post can be adjusted at any time during and after construction. The post can be used as an extension of a column which requires adjustment in length. The post can be used as a jack. The post is capable of withstanding compression, tension, and dynamic loading. The post can be used to provide support to beams and girders in a house frame.

Abstract: A building and grain bin lifting system utilizing a combination of lifting assemblies for lifting building and grain bin components. The lifting assembly includes a mobile supporting structure, a jack disposed within the mobile supporting structure configured to linearly travel, a mounting bracket attached to the jack, connectably interfacing with a building component, an exclusive power source for providing operating power to the jack, an onboard controller enabling selective raise/lower activation of the jack, and a remote control unit in communication with the controller allowing an operator to operate one or more controls associated with the lifting assembly.

Abstract: A lifting apparatus and associated lifting method provide for safe and quick lifting of equipment, such as for pallet removal. The lifting apparatus comprises a lifting rail that incorporates a spindle assembly at each end. Each spindle assembly moves on a threaded rod, vertically retained in a lift stand. Rotating the spindle assembly causes it to move up or down on the threaded rod, depending on the direction of rotation. In one embodiment, one of the spindle assemblies includes a drive input that interfaces with an external driver that provides motive force for rotating the spindle assembly. A chain, for example, interconnects the driven spindle assembly with the other spindle assembly, such that both spindle assemblies rotate together, and the lifting rail therefore remains level as it moves up and down. A pair of lifting apparatuses may be placed along opposite sides of a given machine and operated together.

Abstract: A system for loading, off-loading and/or transferring conventional international shipping containers with respect to transport vehicles which system includes a plurality of powered jacks each of which includes upper and lower container attachment members which are selectively engageable with upper and lower corner lock castings of the containers. Each attachment member is carried by a guide sleeve slideably mounted relative to a vertical standard with an upper guide sleeve being drivingly engaged with a power driven member such that, with the attachment members engaged with the corner locks of the container, the simultaneous activation of four jacks allows the elevation and/or lowering of a shipping container relative to a vehicle.

Abstract: An in-ground lifting system and method are provided that is operable for raising a structure and its foundation at least several feet. In one presently preferred embodiment, the method is utilized to raise the structure above any anticipated flood levels to thereby prevent future flooding of the structure. In a preferred embodiment, a plurality of excavations are formed underneath the foundation, such as with a hydro-excavator. A sleeve with seal members and hydraulic lines is installed and aligned within each excavation. Hardenable material is poured outside the sleeve to form a cylinder. Hardenable material is poured inside the sleeve to form a piston. Fluid is pumped through the hydraulic lines to lift the structure and the foundation.

Abstract: An electronically-controlled adjustable height bearing support bracket is provided. In a preferred embodiment, the bearing support bracket supports a rear end of a front drive shaft of an automotive drive train with a multiple piece drive shaft. A driver is provided to adjust the height of the bearing support bracket based upon the loading conditions of the vehicle. The bearing support bracket height is adjusted to minimize the angle between the front and rear drive shafts during conditions of high torque transfer of the drive train to minimize launch shudder in the vehicle.

Abstract: The invention relates to a lifting device for lifting heavy loads, e.g. derailed rail vehicles, for permanent or temporary installation, having at least one cylinder, in particular hydraulic cylinder, for actuating a mechanical ram, in which device cylinder 2 and ram 3 are separate from one another and the ram 3 is accommodated in a guide tube 4.

Abstract: A height adjustable false bottom for multi-purpose pools. The apparatus has a device for adjusting the height of the false bottom, where a plurality of supporting legs, which are pivotable and have a variable length, are used for the height adjustment. The supporting legs are preferably formed as rotatable spindle drives.

Abstract: The electric cylinder consists of an electromotor 1, a plurality of parallel ball screws 4 connected to the electromotor 1 via transmission members 3, a plurality of ball nuts 5 mating with the ball screws 4, a slider 6 for consolidating the ball nuts 5 into one body, and a rod 7 fixedly mounted to the slider 6. The electric cylinder has a high thrust so that it can replace an oil pressure cylinder so that those cylinders used in a plant are unified into electric cylinders to achieve their efficient maintenance.

Abstract: A linear ball screw actuator assembly and a method of constructing it. The actuator assembly has a housing for a ball screw and ball nut which together define a raceway between them for a recirculating ball bearing train of balls, one of the screw and nut being reciprocable along a z axis responsive to rotation of the other and being adapted to be coupled to a member to be actuated. The housing has gearing for transmitting rotation to the other of the ball and screw nut in a direction lateral to the z axis. A base for the housing is spaced from the housing and has a base journal journaling the first pin extending along a first pin axis laterally perpendicular to the z axis. The housing has a housing journal journaling a second pin extending crosswisely perpendicular to the first pin. The second pin axis intersects the z axis and x axis. The pins are coupled in a manner to permit relative rotation of the base and housing about either pin axis, or both, to obviate misalignment problems.

Abstract: An in-ground mechanical vehicle lift apparatus including an outer cylinder and a support tube rigidly attached to the outer cylinder. A ram cylinder is located between the outer cylinder and support tube in telescoping relationship to the outer cylinder and the support tube. The drive motor is mounted to the ram cylinder and a drive screw is operably connected to the drive motor for engaging a nut rigidly attached to an upper end of the support tube. The drive screw is driven in rotation by the motor to cause the ram cylinder to move upwardly and downwardly relative to the outer cylinder, and a vehicle support portion is located on an upper end of the ram cylinder for engaging and supporting a vehicle. The lift apparatus is adapted to be installed as a replacement for an in-ground hydraulic lift system wherein the lift apparatus is of a compact design which will fit within an existing in-ground cylinder of the hydraulic system.

Abstract: An automotive screw lift system includes a front below ground level cavity having a first depth below a surface level. A track element is secured across a mouth of the front cavity proximally to the front surface level. A trolley is provided which is proportioned for slidable longitudinal movement within the track of the front cavity. Further provided is a rear below ground level cavity having a depth greater than the first depth of the front cavity, the rear cavity disposed along a given longitudinal axis relative to the front cavity. Yet further provided is a cavity enclosure secured upon a top opening of the rear cavity, the enclosure positioned beneath the surface level. Within the front and rear below ground cavities are provided front and rear screw lift assemblies each having a length less than the first depth of the first cavity, each of the lift assemblies having upper ends having flanges selectably interfaceable with either of the trolley or the rear enclosure.

Abstract: The oil well pump power unit is provided with a drive for reciprocating the sucker rod of an oil well pump. The rod (18) is fixed to a transverse beam (23) which is integral with ball nut housings (4), one at each end of the beam (23). The ball nuts (2) mounted in the housings (4) engage--in a frictionless, ball bearing type engagement--each a drive ball screw (1). The screws are driven concurrently by a drive motor. The advance in the art is in that this unit has a light weight and requires minimum driving power. Due to its light weight, it can easily be installed without special requirements for the foundation etc. Also, the maintenance is simple as all moving components are entirely enclosed in a housing (26) or protected by bellows (5, 6).

Abstract: A hospital bed includes a base supported by casters, and a lift arrangement vertically movably supports a patient support section on the base. The lift arrangement includes a threaded first member secured to and projecting downwardly from the patient support section, a rotatably supported tubular second member having an internal thread which engages the threaded first member and having an external thread, and a further member which is supported on the base and has a thread engaging the external thread on the tubular second member. In one embodiment, the further member is a nut fixedly supported on the base, and a drive member rotatably supported on the base has an opening through which the second member extends and has a key portion which slidably engages an axially extending slot provided in the second member.

Abstract: The apparatus described herein comprises a device for easily lifting and positioning a vehicle wheel, particularly to facilitate the lifting and positioning of a wheel for a truck or recreational vehicle onto the axle of the same and appropriately positioning the wheel for insertion of the lugs thereon. With the axle jacked to an appropriate raised position and the wheel resting on the ground next to the wheel base, two sections of the device are placed under the curvature of the wheel, a section on each side of the resting area and the sections connected to each other to prevent their separation during the lifting operation. Each section is adapted to perform an independent lifting operation on the wheel, the contact of each section with the wheel being by means of a cylindrical roller free to rotate on its axis. The joining section of the apparatus is positioned in front of the wheel and the rollers on which the wheel will rest extend under at least a substantial portion of the width of the wheel.

Abstract: The lifting device comprises essentially a flat, rigid frame suitable for wall fixing, formed by two longitudinally slotted vertical guide posts connected together at top and bottom by cross-struts. Within each guide post a screw-shaft spindle is set on bearings, and the two spindles can be driven in the same sense of rotation by a common motor. Two nuts placed above each other a certain distance apart run on each screw-shaft spindle and are guided along the slot in their respective post. A cantilever is attached to the pair of nuts in each guide post and projects from the plane of the frame. When a bed or other load is in a raised position, the space below it is left completely free and is freely accessible.

Abstract: An elevator-type storage structure for storing objects received at an access level at a vertically spaced storage level. The structure includes a supporting frame. A vertical displacement mechanism including a vertically traveling nut assembly supports a platform at one end thereof as a cantilever. The displacement mechanism displaces the platform vertically between access and storage levels. Stabilizing elements interconnect the platform at the other end thereof and cooperative elements of the structure to stabilize the platform in a horizontal plane.

Abstract: A lifting and positioning apparatus particularly suited for use in the installation of wing-mounted airplane engines includes superposed upper and lower load-bearing support platforms that are connected to one another by means of a jack mechanism operable to raise and lower the upper platform while supported by the lower platform. The lower platform includes and is movably supportable on fluid cushion bearings. The upper platform supports a plurality of resilient elastomeric elevator bellows that are positioned and adapted to receive and support a heavy object, such as an aircraft engine, while cushioned against application of excessive lifting force. The bellows are independently inflatable and deflatable to effect raising and lowering of selected portions of the aircraft engine and thereby rotate the engine to desired angular orientations. Alternatively, the bellows may be actuated conjointly to effect uniform vertical raising or lowering of the aircraft engine.

Abstract: A plural column hoist mechanism in which the lifting slides are synchronized by a chain and safety devices are operative in the event of chain breakage. If the chain is slack, the hoist mechanism may be operated to effect upward travel of the lifting slides.

Abstract: A dolly for a plow or other utility attachment of the type having a blade and a yoke with spaced means for connection to a vertically adjustable lift bracket on a vehicle. The dolly is self-supported on wheel means and comprises a blade support on which the plow blade may be lowered by vertical movement of the lift bracket, and a pair of manually and independently adjustable, mutually spaced yoke lift means each engageable with the plow yoke for supporting and vertically adjusting the spaced means for connection in relation to the lift bracket.