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Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.
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| Number | Title | Issue Date |
| 7958693 | Boom for excavation machine In a boom 15 for a working machine 10 attached to an upper rotational body 30 supported on a center of an upper portion of a crawler-type traveling device 40 to be transversely rotatable, the boom 15 includes, as portions cast by i... | 06/14/2011 |
| 7370904 | Covering device for a vehicle container A cover assembly for a vehicle carried open top container wherein a cover is connected at one end to a vertically adjustable tower and an opposite end to a cross member connected to a pair of pivot arms that are mounted at their lower ends to be pivoted by at least ... | 05/13/2008 |
| 7360662 | Telescopic boom arm A telescopic boom arm operable between a retracted position and an extended position includes an elongate first boom section, an elongate second boom section, and a flexible hydraulic line. ... | 04/22/2008 |
| 7357616 | Method and apparatus for transporting oil rig An oil rig capable of being at least partially disassembled to form at least two portions, such as a top half and bottom half, and an associated structure for transport. An oil rig top portion may be loaded onto a trailer for transport separate from a bottom portion... | 04/15/2008 |
| 7320374 | Wellbore top drive systems A system for wellbore operations, the system, in at least certain aspects, including a derrick, a guide beam connected to the derrick, a top drive movable on the guide beam, torque reaction structure connected to the guide beam and to the derrick, skid apparatus hel... | 01/22/2008 |
| 7318491 | Apparatus and method for modified horizontal directional drilling assembly An apparatus and method for a modified horizontal directional drilling assembly for drilling pipe into a drilling surface. The drilling assembly comprises a power unit for supplying power to the assembly, a thrust frame adapted to be moved between a position substan... | 01/15/2008 |
| 7311061 | Telescoping flagpole A telescopic flagpole for reducing the manual force required to extend and secure multiple segments. The flagpole includes a plurality of segments including a bottom segment, at least one intermediate segment, and a top segment; a plurality of sleeve assemblies each... | 12/25/2007 |
| 7308953 | Mobile drilling rig An embodied mobile drilling rig is made of three sections, two substructures and a mast section, which are easily transported and installed at a drilling site. Each substructure includes a mast starting section; a floor side box connected to the mast starting sectio... | 12/18/2007 |
| 7299589 | Telescoping boom actuation mechanism formed of concentrically nested tubular boom sections mutually engaged by roller assemblies riding on helical tracks A telescoping boom mechanism for deploying an expandable structure, such a hoop-supported antenna, comprises a plurality of concentrically nestable tubular boom sections, that are mutually engageable with one another by way of roller assemblies and helical tracks fo... | 11/27/2007 |
| 7290621 | Integrated mast and top drive for drilling rig A process to lower or raise a drilling rig for transportation wherein the drilling rig includes a mast and a top drive. The process to lower includes the steps of moving the top drive within the mast with a vertical guide and torque reaction mechanism to a locked po... | 11/06/2007 |
| 7278498 | Rotatable support for inclinable masts of drilling machines The rotatable support for inclinable masts of drilling machines includes a connecting element connected to the lifting mechanism of a drilling machine, and including two essentially parallel planar elements having an essentially triangular or trapezoidal shape, on t... | 10/09/2007 |
| 7270182 | Earth loop installed with sonic apparatus A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill apparatus on a lower end of the casing movable by th... | 09/18/2007 |
| 7249629 | Multi-function well servicing vehicle A mobile vehicle for inserting jointed pipe into a well, having a derrick and hydraulic rams to raise and lower same, adapted to conduct additional operations which will allow a well to be completed by this vehicle alone. Three winches are provided, a first to raise... | 07/31/2007 |
| 7234282 | Modular tower A modular tower assembly for use with blown film extrusion processes, where modular tower sections each having identical columns/foot prints can be stacked on top of one another. Each module can have rectangular type platforms with walk decks about a central rectang... | 06/26/2007 |
| 7231741 | Mobile cellular telephone tower A mobile cellular telephone tower comprises a self-propelled base and a tower connected to the base. The tower includes a base segment and at least a first extendable segment operatively connected to a second extendable segment. A winch is connected to the base, and... | 06/19/2007 |
| 7222683 | Wellbore top drive systems An containerized top drive system including a container, top drive apparatus removably disposed within the container, an extension system for moving the top drive apparatus generally horizontally within a derrick, the top drive apparatus secured to the extension sys... | 05/29/2007 |
| 7188686 | Top drive systems A top drive system for wellbore operations including a hollow bore alternating current permanent magnet motor with a motor bore therethrough, a planetary gear system coupled to the motor, the gear system having a gear system bore therethrough, a quill drivingly conn... | 03/13/2007 |
| 7163112 | Material transloading equipment The invention concerns a material transloading equipment unit with an undercarriage and a turntable connected with this undercarriage by means of a track ring, on which an arm that can be pivoted by means of at least one hoisting cylinder is pivot-mounted. According... | 01/16/2007 |
| 7100709 | Feed table pivot pin constraining device A restraining arrangement for limiting the separation of a feed table having a pivot pin and a positioner block of a mobile track drill. The restraining arrangement includes a first constraint device positioned on the positioner block and a second constraint device ... | 09/05/2006 |
| 7093657 | Earth loop installed with sonic apparatus A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill apparatus on a lower end of the casing movable by th... | 08/22/2006 |
| 7040552 | Suspended boom with gauge members An applicator boom apparatus comprises an applicator boom extending laterally from a vehicle, and pivotally attached to the vehicle such that the boom can pivot up and down with respect to the vehicle. A kit provides a gauge member adapted to ride along a surface of... | 05/09/2006 |
| 7032352 | Structure to limit damage due to failure A tall building (100) includes a plurality of ray structures (104, 106) extending outward from a central, generally conical hollow reinforced-concrete core (102). In three of the rays (104), a frame (118) extends diagonally downwar... | 04/25/2006 |
| 6955025 | Self-erecting tower and method for raising the tower A tall tower is divided into an upper section with a tower top and a lower section with a tower bottom. The sections are hinged together. The lower section is hinged to a tower base. A telescoping crane is attached to a lift point on the lower section. The crane is ... | 10/18/2005 |
| 6955219 | Earth loop installation with sonic drilling A method for installing a heat exchange pipe loop in a borehole, the method in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill shoe on a lower end of the casing movable by the soni... | 10/18/2005 |
| 6951185 | Telescoping flagpole A telescopic flagpole for reducing the manual force required to extend and secure multiple segments. The flagpole includes a plurality of segments including a bottom segment, at least one intermediate segment, and a top segment; a plurality of sleeve assemblies each... | 10/04/2005 |
| 6928774 | Enveloping body The invention relates to a covering body for masts of construction cranes, electricity lines, or the like with an outer covering which is designed to partially or totally encase a mast in the direction of extension and/or peripheral direction and which furthermore h... | 08/16/2005 |
| 6484469 | Column structures and methods for supporting compressive loads A column assembly preferably includes a tube member having a wall that defines an interior volume. The column assembly is preferably operable to convert external, axial compressive forces applied to the column assembly into at least tangential stresses wi... | 11/26/2002 |
| 6290377 | Pneumatically telescoping mast having DC operated lighting and pivoting means An improved pneumatically telescoping mast supported for pivotal movement in opposite directions is provided. The mast includes adjacent telescoping sections slidable relative to one another between retracted and extended positions. A pneumatic control sy... | 09/18/2001 |
| 6253502 | Van with extensible boom A conventional cargo or passenger-type van (typically about 14-24 feet in length) is fitted with a boom assembly that is readily transported with the van in a collapsed position and substantially parallel to the van roof, but can be elevated to a substant... | 07/03/2001 |
| 6102059 | Movable vehicle cover A movable device for alternatingly covering and uncovering a vehicle is shown and described. The device includes a protective cover, a structural member, a lift member, and an inlet for receiving a pressurized fluid and controlling the fluid to raise and ... | 08/15/2000 |
| 6067756 | Space saving room extender A space-saving, single-cylinder, room extender, this invention consists of a hydraulic cylinder, electrically powered screw auger or other electrically powered means is nested within an inner structural member that is, in turn, telescopically nested withi... | 05/30/2000 |
| 6053419 | Velocity damping system A self-centering boom for self-propelled agricultural sprayers having a double-acting hydraulic cylinder and a magnetically actuated electrical position sensor and control for sensing and moving the boom to a centered position. The electro-hydraulic contr... | 04/25/2000 |
| 5995063 | Antenna structure The present invention relates to radio communications and in particular to antenna structures. There is a growing demand in the radio communication system market to reduce the size and cost of radio communication sites and to reduce the maintenance costs ... | 11/30/1999 |
| 5887390 | Boom swing control device and assembly A boom swing control device for controlling boom swing relative to a frame. Booms may be supported relative to a frame for application of material over a wide area. During an application process, the booms are subjected to various external forces which ca... | 03/30/1999 |
| 5860252 | Arrangement at self expanding booms A valve mechanism for self-expanding booms. The mechanism is preferably a mechanical expansion device that folds out the boom so that air flows into the boom to fill the boom. When the boom is folded, the air is pressed out of the boom. A novel feature is... | 01/19/1999 |
| 5850713 | Device raising and lowering apparatus An apparatus for raising and lowering devices such as an antenna including a multiple-stage cylinder system composed of a plurality of telescopically connected cylinder units each of which comprising an internal cylinder and an external cylinder that are ... | 12/22/1998 |
| 5832676 | Disaster restoral pop-up structure A structure having dimensions for transportation on an airplane, and which when assembled into a module has sufficient headroom for an average height person. The structure includes two portions, a top portion and a bottom portion. The top portion fits ove... | 11/10/1998 |
| 5572837 | Pneumatic telescoping mast A pneumatically telescoping mast adapted for mounting an electrical fixture is disclosed. The telescoping mast includes a pneumatic control system to extend the mast from a retracted position to an extended position. The mast is made up of adjacent telesc... | 11/12/1996 |
| 5494397 | Load handling apparatus A load handling apparatus for a vehicle includes a telescopic boom pivotably mounted on a chassis frame of the vehicle. The boom has first, second, third, and fourth sections telescopically engaged in sequence and mounted so as to be slidable relative to ... | 02/27/1996 |
| 5333422 | Lightweight extendable and retractable pole A lightweight extendable and retractable telescopic pole is disclosed comprising a plurality of non-metallic telescoping cylinders with sliding and sealing surfaces between the cylinders, a first plug member on the upper end of the smallest cylinder, and ... | 08/02/1994 |
