| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 052111000 | MECHANISM OPERATED RELATIVELY MOVABLE SHAFT ASSEMBLY | 38 |
| 20100139180 | Guide System for Power Modules - A tower includes an outer portion forming an outer covering for the wind turbine tower and an inner portion disposed within the outer portion. The inner portion includes a preassembled power module including an upwardly extending support and electrical components that extend outwardly beyond the upwardly extending support and guide supports coupled at a first end to the upwardly extending supports and extending outwardly beyond the electrical components. | 06-10-2010 |
| 20100005734 | TELESCOPING MAST - An extendible mast includes at least three columns having a plurality of column sections that telescopically nest one inside another. A base plate is connected to each column, and each of a plurality of brackets is also connected to each column. The plurality of brackets are positioned along the length of the mast when extended. | 01-14-2010 |
| 20100146873 | TELESCOPING MAST - The present invention concerns a telescopic mast which at least includes one or more telescoping joints, where a telescoping joint consists of two telescoping sections dimensioned so that one section can be moved into another section, where between each of two adjacent telescoping sections in a telescoping joint there is provided at least one actuator urging the adjacent telescoping sections away from each other, where these actuators are disposed internally of the telescoping joints and offset at the internal periphery. | 06-17-2010 |
| 20120102850 | EXTENDABLE/RETRACTABLE SUPPORT COLUMN - An extendable and retractable column which is formed from at least three linked sections or chains. The linked sections include a plurality of individual segments linked end to end. As the linked segments are extended, each of the individual segments of the linked chains engage individual segments of adjacent linked sections to form a column. As the linked sections are retracted, each of the individual segments of the linked sections disengage from the individual segment of the adjacent linked sections and the individual linked sections may be rolled up into a multi-sided form for compact storage. | 05-03-2012 |
| 20100313494 | Telescoping mast - A telescoping mast able to efficiently extend and retract multiple telescoping sections without jar and minimal energy. The telescoping mast has multiple telescoping sections, a position feedback sensor, a motor, a spring motor, and a computation unit. The position feedback sensor is coupled to at least one telescoping section and configured to identify a position of the telescoping sections. The motor is also coupled to the telescoping sections, and raises and lowers the telescoping sections. The computation unit controls the motor based on the position of the telescoping sections. | 12-16-2010 |
| 20110252720 | TOWER, A WIND TURBINE AND A METHOD FOR ARRANGING A PLATFORM INSIDE A TOWER - This invention relates to a tower for a wind turbine, comprising one or more tubular tower sections, having an outer jacket wall and an inward directed flange in its lower and upper ends, and at least one platform arranged inside the tower for facilitating access for maintenance and repairs to the inner of the tower and to the nacelle. The tower also comprises a support structure including at least three elongated tensile load carrying members, which each is attached in its upper end to the upper flange of the tower section and in its lower end to the lower flange of the tower section and which supports one or more platforms that are suspended by the tensile load carrying members while at least one ladder is attached to the platforms. The at least one ladder is stabilized in the horizontal direction by transversal tensile load carrying members extending from the ladder to the tensile load carrying members that are vertically arranged between the upper and lower flanges. The invention also relates to a method for arranging a platform inside a tower. | 10-20-2011 |
| 20110185647 | AUTOMATED TELESCOPING TOWER - A telescoping tower comprising a sensor for monitoring an environmental condition, a processor for comparing the monitored environmental condition to a predetermined value, and an actuator for automatically retracting the telescoping tower if the environmental condition is equal to or greater than the predetermined value. | 08-04-2011 |
| 20110185648 | RETRACTABLE COLUMN AND METHOD OF FORMING - The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set manner. The section chains are placed on a take up mechanism in an operable position and then raised utilizing a motor. As the section chains are raised, they are guided by a guide tower, rollers, shims, and gear racks into a position whereby hooks from adjacent sections of the section chains form coupled engagements. The coupled engagement of the hooks of the sections of each adjacent section chains thereby form the column. | 08-04-2011 |
| 20090145056 | Polygon mast - Aspects of the invention relate to telescoping mast assemblies (telescoping “towers”), polygonal sided masts for use in such assemblies, methods of fabricating polygonal sided masts, methods and apparatus for sequentially actuating and deactuating hold-down and locking mechanisms in telescoping towers, and such other aspects as will be understood from the present descriptions and drawings. Telescopic towers are usable for supporting and raising to a height any type of communications payload, including, for example, radio antennas, television antennas, any type of surveillance and/or sensor payloads, including, for example, microphones, cameras, flood lights, and the like. | 06-11-2009 |
| 20120151853 | METHODS AND APPARATUS FOR MAST SYSTEM WITH ENHANCED LOAD BEARING - Methods and apparatus for providing a mast system including a telescoping mast having first and second mast sections, the mast having a stowed configuration and a deployed configuration, the first mast section including an inner surface having ribs disposed thereon, and, the second mast section including a coupling mechanism to engage the ribs on the first mast section for enabling axial movement of the second mast section with respect to the first mast section. | 06-21-2012 |
| 20120151852 | METHODS AND APPARATUS FOR ANTENNA HAVING GUY WIRE TELESCOPING - Methods and apparatus for providing a mast system that includes a telescoping mast having first and second mast sections, the mast having a stowed configuration and a deployed configuration, and a stabilization structure including a guy wire to stabilize the mast in the deployed configuration, wherein the guy wire is connected to the first mast section for manipulating the first mast section between the stowed configuration and the deployed configuration. | 06-21-2012 |
| 20100229473 | Pneumatic Tower Design - A telescopic support tower has a plurality of tubes nested or stacked with one another. A base is coupled with the outermost tube to stand the plurality of tubes transverse to the base. A mechanism is provided in the base to enable access to an interior space of the plurality of tubes. The mechanism is coupled with a source of compressed air. A plurality of seals, at least two, are positioned on each of the adjacent tubes to seal the tubes with respect to one another. The plurality of seals enables sealed sliding movements of the tubes with respect to one another. At least one first clamp is provided to prohibit movement of selected tubes of the plurality of tubes such that only one tube of the plurality of tubes is enabled to telescope at a time. At least one second clamp fixes the selected telescoping tube to an adjacent tube of the plurality of tubes. | 09-16-2010 |
| 20110308174 | ERECTABLE AND RETRACTABLE ROD DEVICE - A rod device that can be erected and retracted into a small amount of space, in which the device is formed of component parts that are flexible and can be rolled up when detached from one another, yet form a rigid assembly when connected to one another. | 12-22-2011 |
| 052112000 | Opposed barrier-engaging; e.g., rock drill column | 2 |
| 20120167485 | FAST TRANSPORTABLE DRILLING RIG SYSTEM - The present invention discloses a high-capacity drilling rig system that includes novel design features that alone and more particularly in combination facilitate a fast rig-up and rig-down with a single set of raising cylinders and maintains transportability features. In particular, a transport trailer is disclosed having a first support member and a drive member which align the lower mast portion with inclined rig floor ramps and translate the lower mast legs up the ramps and into alignment for connection. A pair of wing brackets is pivotally deployed from within the lower mast width for connection to the raising cylinder for raising the mast from a horizontal position into a vertical position. A cantilever is pivotally deployed from beneath the rig floor to a position above it for connection to the raising cylinder for raising the substructure from a collapsed position into the erect position. | 07-05-2012 |
| 20120304553 | DRILLING RIG SYSTEM WITH SELF-ELEVATING DRILL FLOOR - A transportable drilling rig having a self-elevating drill floor includes a base structure comprising multiple base towers that can be transported to a wellsite and positioned around an intended wellbore location. A horizontal base frame is installed between lower regions of the towers to form a stable rig base structure, and a drill floor can then be constructed over the base frame and between the base towers. A suitable rig mast can then be erected on the drill floor. Floor-lifting cables are anchored to upper regions of the base towers and disposable around corresponding sheave assemblies associated with the drill floor. The free ends of the floor-lifting cables can be engaged by the traveling block in the rig mast, whereupon the rig's drawworks can be actuated to elevate the drill floor and mast as required and then locked to the base towers. | 12-06-2012 |
| 052115000 | Fluid pressure actuated | 5 |
| 20120159875 | TELESCOPIC TOWER ASSEMBLY AND METHOD - A method of constructing a tower structure by assembling a set of coaxial telescopic sections | 06-28-2012 |
| 20110072737 | PORTABLE DRILLING RIG APPARATUS AND ASSEMBLY METHOD - A portable drilling rig apparatus includes a rig floor having a pedestal structure thereon, the pedestal structure comprising a lower pivot point and a lower attachment point and wherein the pedestal structure is configured to be rotated to a vertical position about the lower pivot point. The drilling rig further includes a mast structure having a mast pivot point at a lower end of the mast structure wherein the mast pivot point is configured to be pinned to an upper pivot point of the pedestal structure. | 03-31-2011 |
| 20090019794 | DEVICE FOR COLLAPSING TOWERS IN MOVABLE STRUCTURES - The device is specially designed to facilitate the collapsing of towers ( | 01-22-2009 |
| 20120079778 | RAPID DEPLOYMENT AND RETRACTION TELESCOPING MAST SYSTEM - A rapid deployment and retraction telescoping mast system for controlling the height of a mast. A retraction mechanism including a resilient member, a retraction reel, a reel shaft, and a motor disposed about a frame. The resilient member extends from the retraction reel and is rigidly attached to a top tube of the mast through a sealed passage. The reel shaft rotates the retraction reel and winds the resilient member creating a retraction force on the top tube causing controlled retraction of the mast. A deployment mechanism including a compressor, storage tank, exhaust valve and isolation valve arranged about the frame and in communication with the mast. The compressor generates pressurized air to be communicated to the mast when the isolation valve is in the open position. The increase of pressure generated by the deployment mechanism provides a force within the mast thereby controlling its deployment. | 04-05-2012 |
| 20130091784 | FLUID-ACTUATED TELESCOPING TOWER FOR SUPPORTING HEAVY LOADS - A fluid-actuated telescoping tower supporting an associated load at a height above an associated foundation includes a fluid barrier, first and second telescoping tubular tower sections, a fluid port configured to receive compressed fluid from an associated source into an interior space of the tower defined by the first and second tubular sections, and a fastening system for holding the first and second tubular sections in the extended position with the compressed fluid received in the interior space of the tower and for mechanically connecting the first and second tubular sections in the extended position with the compressed fluid exhausted from the interior space of the tower by the fluid port. A method of erecting a tower includes inflating nested first and second telescoping tubular tower sections, fastening the sections in an extended position, and depressurizing the tower. A method of collapsing uses a reversal of the erecting process. | 04-18-2013 |
| 052116000 | Tilts relative to base | 11 |
| 20100313495 | Mast Assembly for Wind Turbine - A mast assembly having a base, and a mast pivotally connected to the base for movement between a horizontal and an upright position. A linear actuator is connected between the base and the mast and is extensible to move mast about the pivot. A strut is selectively positioned between the mast and the base to inhibit pivotal movement toward the horizontal position during lifting of the mast. A plurality of abutments on the base permits selective connection between the actuator and the base. The strut position supports the mast while said actuator is moved between the abutments. | 12-16-2010 |
| 20110162296 | PIVOTABLE TOWER FOR ANGLED DRILLING - An interface apparatus between a tower and platform includes a tower support assembly with opposed angle brackets and a first tower support assembly coupler/decoupler which is repeatably moveable between coupled and decoupled conditions with the tower support assembly. In the coupled condition, the coupler/decoupler is capable of coupling to the tower support assembly at a plurality of predetermined positions along the opposed angle brackets. The interface apparatus includes a second tower support assembly coupler/decoupler which allows the tower to pivot relative to the tower support assembly and rotate relative to the platform. | 07-07-2011 |
| 20100236160 | WIND POWER MACHINE PROVIDED WITH AN ARTICULATED MAST - A wind power machine including a mast that is articulated so as to adopt an upright position above a foundation anchored into the ground and a folded-up position close to the ground. The mast includes substantially straight parts articulated together so as to pivot to bring the mast into the upright position or into the folded-up position. The wind power machine further includes a locking device placed at least one of the articulations between two of these parts to lock the mast in the upright position. The locking device includes: a radially movable clamping ring, placed at the end of one of the two parts of the articulation inside the mast; and an actuation mechanism capable of moving the clamping ring radially so as to produce an intimate male/female-type connection between the two parts of the articulation. | 09-23-2010 |
| 052117000 | Relatively moving sections | 8 |
| 20120291368 | TILT TOWER ASSEMBLY AND A METHOD OF USING THE SAME, AND A METHOD TO SHIP AND ASSEMBLE A TILT TOWER - An antenna tower is provided having one or more antennae at the removed end thereof, which tower is configured for ease of maintenance of the antenna by a serviceman standing on the ground and servicing the antenna. Applicants' antenna tower includes a fixed vertical base or mast tube, fixed to the ground and having a removed end. At or near the removed end of the base tube, a swing tube is pivotally attached. The swing tube has a first end removably coupled to a near end of the base tube, and a removed end extending beyond the removed end of the base tube. Attached to the removed end of the swing tube is a pivotally mounted configured member or pivot tube. The pivotally mounted elongated member receives an antenna thereupon. The pivot tube is removably coupled to the swing tube to allow the pivot tube to rotate. | 11-22-2012 |
| 052118000 | Telescoping | 5 |
| 20130055658 | TELESCOPIC CRANE ARM - Telescopic crane arm for a crane, in particular a mobile crane, with: | 03-07-2013 |
| 20090013617 | UNDERCARRIAGE FOR A TELESCOPIC FRAME - A telescopic undercarriage for raising and lowering a frame. The undercarriage includes a base section having a pair of parallel base legs extending from a first end to a second end of the base section, the base section including a first plurality of braces extending between respective upper surfaces of the base legs and a second plurality of braces extending between respective lower surfaces of the base legs, the base legs, first plurality of braces and second plurality of braces collectively providing an elongate central base section passage. The undercarriage also includes an extendable section slidably disposed within the base section passage and having opposed legs, a drive system for extending and retracting the extendable section relative to the base section. | 01-15-2009 |
| 20110061313 | ADAPTERS FOR THE BOOM ARM OF AN AERIAL WORK PLATFORM - At least one adapter and at least one support bracket are utilized with a boom arm having at least one boom arm section. The at least one adapter is integrally attached by welding to the boom arm section and has a receiving section. The at least one support bracket is received in the receiving section of said at least one adapter. The boom arm has telescoping sections, and an adapter and support bracket is positioned secured at each section. The support bracket receives a cable, to facilitate retention of the cable to the boom arm for use at a platform located at the top of the arm. | 03-17-2011 |
| 20120210655 | BOOM ASSEMBLY - A telescopic boom broadly comprises an elongated hollow outer boom, an elongated inner boom telescopically received within the outer boom, and a guidance structure for guiding the inner boom for telescopic movement is provided. The guidance structure includes a plurality of guide rails attached to the interior corners of the outer boom, a first roller assembly attached to one end of the inner boom, a second roller assembly attached to one end of the outer boom, and a mid roller assembly positioned proximal to the second roller assembly. The first roller assembly includes a plurality of wheels mounted on axles for engaging the guide rails. The second roller assembly includes roller bars positioned on opposed sides of one end of the outer boom for guiding the inner boom during telescopic movement. The mid roller assembly includes a third roller bar that engages guide rails positioned on the inner boom. | 08-23-2012 |
| 20090320385 | Construction apparatus with pivotable mast - The invention relates to a construction apparatus comprising a base carrier, a mast which is arranged on the base carrier in a pivotable manner, a first hydraulic cylinder and a second hydraulic cylinder for erecting the mast, which are connected to each other in an articulated manner in a connecting section, the first hydraulic cylinder being linked to the base carrier and the second hydraulic cylinder being linked to the mast, and a coupling rocker-arm which is linked on one side to the mast and on another side to the connecting section. According to the invention in the part of the connecting section a spacer is arranged, through which the connecting section is supported on the mast in a detachable manner. | 12-31-2009 |
| 052120000 | Gin pole hoist | 2 |
| 20100212236 | Gin Pole Device for Raising and Lowering a Tower - The present invention provides a gin pole device for raising and lowering a tower that allows tension and length adjustments of the guy wires during tower erection to keep the tower as straight as possible, so that weight loads are equally distributed on the guy wires, thereby avoiding tower deformation. | 08-26-2010 |
| 20080202042 | Drawworks and motor - A rig system with a drawworks motor and a drawworks motor useful in systems for wellbore operations, the system in certain aspects including a rig, a derrick on the rig, a drawworks, the drawworks motor for powering the drawworks, the motor including a motor shaft, a plurality of power cables for providing electrical power to the motor, a portion of each of the plurality of power cables passing through the shaft, and a plurality of channels passing through the shaft adjacent the power cables and spaced-apart therefrom, the channels for the passage therethrough of a heat exchange fluid for the exchange of heat with the power cables to maintain the power cables at a desired temperature. | 08-28-2008 |
| 052121000 | Longitudinally extensible by flexible drive or hoist | 7 |
| 20100107516 | RETRACTABLE COLUMN AND METHOD OF FORMING - The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set manner. The section chains are placed on a take up mechanism in an operable position and then raised utilizing a motor. As the section chains are raised, they are guided by a guide tower, rollers, shims, and gear racks into a position whereby hooks from adjacent sections of the section chains form coupled engagements. The coupled engagement of the hooks of the sections of each adjacent section chains thereby form the column. | 05-06-2010 |
| 20090031644 | MOVING RETAIL SPACE SYSTEM FOR BUILDINGS - A moving retail space system for buildings comprising a moving housing that operates within a building structure to allow multiple businesses to be at a street level. The moving housing comprises spaces A and A′, and the building structure comprises a basement. A lift assembly moves the moving housing from an initial to a second position, and vice versa. In the initial position a first business operating in space A is at the street level, and a second business operating in space A′ is located one floor above the first business. In the second position, the first business operating in space A is in the basement, and the second business operating in space A′ is at the street level. At least one locking mechanism laterally secures the moving housing in place. A sealing mechanism prevents objects from falling between the moving housing and the building structure. | 02-05-2009 |
| 20080236060 | TELESCOPING TOWER AND METHOD OF MANUFACTURE - A mast section for a telescoping tower system is made by aligning press brake tools along the length of the metal sheet at spaced width locations and forming the corners of the tube. After forming of the last corner, an opening remains along the length of the tube. The press brake male tool axis is offset sufficiently to permit the tool to apply forming force to the last corner of the tube through the opening, and is sized to remove the tool from the opening. At least three mast sections are nested to form the tower system. Pulleys for a cable extension system are mounted near the upper and lower ends of a wall of an intermediate mast section, with one of the pulleys being oriented at an acute angle to the mast section wall to permit routing of the cable. | 10-02-2008 |
| 20100251634 | Unguyed Telescoping Tower - A telescoping tower comprises a plurality of telescoping tower sections, each tower section having a pressure member that engages with a respective pressure member on a respective tower section when the tower sections are moved from a nesting condition to an extended position, the engagement of the pressure members occurring at the overlap of the tower sections to increase stability of the telescoping tower and reduce unwanted play at the overlap regions. | 10-07-2010 |
| 20120110927 | PAYLOAD MAST - An extensible payload system including mounting equipment and a mast system removably coupled to the mounting equipment. The mast system includes a plurality of nested mast sections, at least one cable, and a pull block assembly. The plurality of nested mast sections include a first mast section and a second mast section nested within the first mast section. At least one cable is rollably coupled to the first mast section. The pull block assembly is coupled to an end of the second mast section. The pull block assembly has a cable receiving opening. The cable is routed into the cable receiving opening and is coupled to the pull block assembly. | 05-10-2012 |
| 20110061314 | Method of installing a cable in the tower of a wind power plant - A method and apparatus for mounting at least one line in a tower of a wind power plant, the line is provided in the tower before its erection in shortened, preferably folded or wound-up form. The tower also includes a means for extending the line, after erection of the tower so that the lower end of the line is lowered in a controlled manner to the bottom of the tower and can be attached there to a connector and the upper end is extended to a connector at the top of the tower if not already connected to the connector. | 03-17-2011 |
| 20120279144 | RETRACTABLE COLUMN AND METHOD OF FORMING - The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set manner. The section chains are placed on a take up mechanism in an operable position and then raised utilizing a motor. As the section chains are raised, they are guided by a guide tower, rollers, shims, and gear racks into a position whereby hooks from adjacent sections of the section chains form coupled engagements. The coupled engagement of the hooks of the sections of each adjacent section chains thereby form the column. | 11-08-2012 |
