Matches 1 - 50 out of 178 1 2 3 4 >


Match Document Document Title
9003719 Sliding locking actuator for automatic tilt mechanism  
A mast assembly including a locking actuator for locking a cradle of the mast in position. The locking actuator includes a housing having a first lock pin extending in a first direction and a...
8991029 Beam structure  
A beam structure of the present disclosure includes a baffle plate. A plurality of lap strips are attached around outer edges of the baffle plate. An adhesive layer is applied to outer surfaces of...
8910431 Tower structure  
Methods and apparatus for a tower structure and erection thereof include, in one embodiment, a tower structure comprising a base support member, a mast structure pivotally coupled to the base...
8904716 Bi-directionally raisable drilling rig mast  
Disclosed herein is a bi-directionally raisable drilling rig mast system that includes a drilling rig mast having a bi-directional mast erection connection, a first erection connection positioned...
8904736 Vehicle and mast mounting assembly therefor  
A vehicle is disclosed having a mast assembly mounted to a sidewall of the vehicle. The mast is pivotally mounted and can be held in a first stowed position by way of a first clamp member. The...
8863449 Substructure of a mobile drilling rig with a movable center floor section  
Disclosed herein is a raisable substructure of a drilling rig that includes first and second substructure boxes. The first and second substructure boxes of the raisable substructure each include,...
8800219 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...
8782968 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...
8720128 Mast assembly with cylinder nested in substructure  
A method to disassemble a mast assembly having a substructure including a first and second section, a first and a second cylinder, and a lower mast section. The method includes the steps of...
8661743 Brace support mast assembly for a transportable rig  
A mast assembly for a transportable rig which accommodates the height of wellhead equipment such as BOP and/or valve stacks and permits orientation of a top drive rotor in the mast directly over...
8539723 Back pressured hydraulic pump for sucker rod  
A hydraulic pump includes a hydraulic cylinder assembly comprising a cylinder sealed by an upper head and a lower head and carrying a piston which divides the hydraulic cylinder assembly into an...
8371074 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...
8276325 Vehicle and mast mounting assembly therefor  
A vehicle is disclosed having a mast assembly mounted to a sidewall of the vehicle. The mast is pivotally mounted and can be held in a first stowed position by way of a first clamp member. The...
8196877 Flexpole support apparatus  
Disclosed is an improved apparatus for holding a construction item in a desired position while the construction item is being secured to a support structure. Embodiments of the apparatus comprise...
8146794 Boom and arm member of construction machine excellent in weld zone fatigue strength and method of improvement of its fatigue strength  
The present invention provides a boom and arm member of a construction machine excellent in weld zone fatigue strength and a method of improvement of its fatigue strength, that is, a boom and arm...
8112946 Articulating mast  
The present invention relates to an articulating mast having sections that may be moved between an open, in-use position and a more compact reduced width configuration for storage and transportation.
8046959 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...
8024895 Device for raising and lowering a lighting mast  
An arrangement for the raising and lowering of a mast, which includes an upper mast portion and base, which upper mast portion is rotatable about a horizontal pivot axis, located in the base of...
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...
7866927 Pole installation system  
A pole installation system includes a pole base and pole member releasably connected to the pole base. A mobile pole caddy is employable to transport the pole member to and from the pole base and...
7828087 Rocket rig drilling apparatus  
A well drilling apparatus includes multiple, transportable, modular, pre-assembled sections which include a substructure and multiple mast sections. These pre-assembled sections allow for a...
7780395 Lift arm for skid-steer loader  
A lift arm for a skid-steel loader, in which a pair of right and left lift arms are divided in two so that they are constituted as first arm portions and second arm portions. Each of the first arm...
7775691 Retractable light apparatus  
A retractable light is provided with a light to extend and retract in a housing. A motor for driving a sprocket is mounted in the housing or light assembly and a gear rack is mounted in the other....
7621077 Hinged pole apparatus  
A hinged pole having a base plate secured to the lower end thereof with the base plate having a plurality of upstanding brackets secured thereto. A cart is provided which is mounted on the...
7462117 Ground anchor for sports support pole  
The present invention relates to an anchor to be used with a basketball support pole, and more particularly to an anchor that facilitates ease of assembly and mounting of a basketball support pole...
7458328 Hinge mechanism  
A hinge mechanism comprises first and second chock plates and an adjustable shaft. Each of the chock plates includes an aperture in the form of a figure of eight, the first and second circular...
7165929 Load bearing member arrangement and method  
In the design of load bearing members for use in work machines, it is oftentimes beneficial to minimize the weight of such structures which, in turn, may allow for increased payloads and decreased...
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...
7089705 Portable tower system  
A portable surveillance system having an easily transportable skid-type base structure that forms a support for a portable tower apparatus. Stabilizers are extendably mounted to the base...
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...
6782667 Tilt-up and telescopic support tower for large structures  
A support tower for large structures such as wind turbines generators, microwave structures, high voltage transmission lines or the like, constructed of telescopic sections with the lowermost...
6508371 Jib crane  
A jib is supported for its luffing movement by a luffing rope mounted to a longitudinally intermediate portion of the jib. The jib has a truss structure with upper and lower beam members...
6405492 Mobile working apparatus  
In order to be able to shift a leader (18), which is disposed on a travelling chassis (10) via a carrying mechanism (16), both towards the front and also towards the rear into a substantially...
6322038 Flush-mounted davit apparatus  
A mounting assembly for a davit to support a platform by supporting lines, is secured by a receptacle flush mounted on an elevated floor of a building. The mounting assembly is secured and moved...
6272413 Safety system for boom-equipped vehicle  
While a crawler body 110 is traveling, infrared sensors 144 and an elevational difference calculator 132 incorporated in a controller 130 detects the magnitude of a step present ahead of the...
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...
6106217 Lift arm arrangement of a construction machine  
Conventional lift arm arrangements for construction machines include a pair of lift arms that are welded fabrications forming box-beams. The lift arms are typically connected by a cross tube that...
5899651 Column counterbalancing apparatus  
Counterbalancing apparatus for a lamp column in which an upper part of the latter is pivotally mounted on a fixed lower part so that the upper part can be swung down for lamp servicing, comprises...
5782042 Tilting pole system  
A new Tilting Pole System for allowing an individual to quickly and easily perform maintenance upon an object conventionally supported by an elongated pole. The inventive device includes a lower...
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...
5572836 Rotational flagpole  
Disclosed is a rotational flagpole pivotally mounted to a rigidly affixed base with a tongue and slot combination that enables the flagpoles to rotate around the pivot. The flagpole can also be...
5524398 Portable collapsible tower  
A portable collapsible tower including a frame, at least one stationary tower member fixed to the frame and at least one movable tower member movable along the exterior portion of the stationary...
5438805 Device for raising and lowering elongated support structures  
A device for raising and lowering a pole or other elongated support structure has a stand on which the elongated support structure is mounted. The stand is pivotally connected to a base. An...
5305576 Method of constructing curvilinear structures  
A method of constructing curvilinear structures utilizes an armature mast, an armature boom having a vertically and horizontally pivotable arm terminating in a reinforcing rod (rebar) tying guide,...
5269107 Mobile boring rig  
Mounted on a vehicle (10), the mast (20) of a boring rig is supported by an erection hinge (18). The erection hinge (18) is provided on a first carriage (19) having a support cylinder attached...
5233809 Portable antenna mast support system  
This invention relates to a portable, easy-to-put-together, strong, durable mast support system for use in field operations where an antenna mast, or other similar mast, needs to be safely and...
5116064 Game post assembly  
A target assembly utilizes a post that is so supported on a base as to enable it to maintain positions deflected from its normally upright orientation.
5058336 Hinged flange pole  
A column is attached at a base flange to a plate of a base member by way of an offset horizontal pivot, and can be pivotally raised and lowered by means of a ram. The pivot lies in the general...
5020957 Mast to base connection for a storage and retrieval machine  
A mast to base connection for a storage and retrieval machine which incorporates a pin connection between the mast and the base. The base of the machine is formed as a plurality of elongated...
5018933 Device for transferring an invalid to and from an automobile  
A device (10) for transferring an invalid includes a beam (11) comprised of two telescopically received tubes (12,13); a track (14), slidably engaged within said beam capable of supporting a...

Matches 1 - 50 out of 178 1 2 3 4 >