Matches 1 - 50 out of 99 1 2 >


Match Document Document Title
8156624 Apparatus and method for stringing aerial cables using aircraft  
Apparatus and method for stringing aerial cables through tower structures using aircraft without requirement that a person be present on the tower while the aircraft is performing the stringing...
8046888 Yoke assembly and method of installing same  
A yoke assembly includes two support members that are connected to one another, both of which include respective first ends and second ends. The support members are spaced apart enough to fit over...
7644905 Spiral support, installation method of the same, and cable laying method using the spiral support  
A method and apparatus including an easily installed spiral support useful laying a cable. The spiral support is composed of a counterclockwise spiral portion and a clockwise spiral portion, both...
7520398 Gin hoist  
A gin hoist adapted for attachment to the cross arm of a power pole. The gin hoist includes a base support structure with two side rails connected by rungs, an upper load bearing member that rests...
7387294 Electric wire changing device for wire replacing works on electric poles and power distributing method without cutting off power supply  
A method for distributing power has developed without cutting off power supplying while a live electric wire is replaced on the electric poles by using a wire changing device for replacing the...
7007929 Electric wire removing roller for LP insulator and power distribution method of construction  
The present invention discloses a wire stranding roller and a new method for the same, in a LP insulator being mounted at a cross arm of pin long column and insulating and supporting a high voltage...
6913822 Cable erection technique and cable erection coil  
The present invention concerns a cable erection technique using a plastically deformable coil comprising a metal wire formed in a spiral shape and synthetic resin coated on a surface of the metal...
6883783 Electrical underground wire pulley to assist in pulling wire through underground conduit  
An electrical underground wire pulley for pulling wire through conduit having an opening in a base structure that is provided with pre-installed anchor bolts. The wire pulley includes a frame with...
6666434 Underground cable retrieval tool  
A method and apparatus are disclosed for retrieving a cable that has become stuck or wedged during the process of installation of the cable in an underground conduit. A projectile is sent down the...
6540207 Cable hanging system  
A cable block particularly adapted for use in the installation of aerial cable comprises a main frame member formed at its upper end with an inverted V-shaped strand engaging hanger section, at its...
6517052 Installation tool system for pole-mounted communication cables  
A system and method for use in the installation of cable between support poles and other structures is provided including brackets, support rollers, clamps, pins, and pulleys that are used to...
6422537 Apparatus for stringing static wire to utility poles  
An apparatus and method are provided for stringing static wire to a utility pole. The apparatus comprises a body having a base portion and a pair of arms extending from the base portion in...
6375163 Cable stringing block  
A cable stringing block assembly is disclosed having a frame and axle assembly configured to hold a non-conducting sheave wheel. The sheave wheel is fabricated of a durable polymeric material. In...
6315270 Cable pulley  
A pulley guides a cable on an overhead framework structure which is suspended from a ceiling by a threaded rod. The pulley includes a guide structure which guides the cable longitudinally through...
6315269 Cable support block  
The cable support block is for temporarily supporting a lower cable to an upper aerial cable. The support block comprises a rigid arcuate frame having an upper yoke straddling the upper cable, and...
6193215 System for unwinding and laying wires in particular of catenary feed cables  
A system for unwinding and laying wires including a device for carrying a wire reel from which the wire to be laid is dispensed an device for unwinding and laying the wire, the device for carrying...
6164609 Utility pole anchor for restoration cable support  
A "quick" anchor for placing a temporary restoration cable in place on a utility pole require neither a bucket truck nor ladder to position the anchor and cable. The anchor comprises a...
6129340 Guide device for pulley block  
A guide device for use with a pulley block of the type utilized by utility lineman during installation of an electrical power line is disclosed. The guide device is a generally C-shaped member...
6045124 Cable pulley device  
A lightweight cable pulley device and method provides ease and convenience in offices and other buildings during the installation of sensitive data transmission cable such as termed "Category 5" or...
5941507 Cable installation guide  
A device and method for pulling large conductive cables and similar objects around deflections or angular structures is provided. A dolly connected to a cable hoist includes a pulley with a groove...
5727777 Spiral hanger for a cable and method of installing a cable using the same  
In a method of hanging a cable by using spiral hangers on a messenger wire installed between a pair of electric utility poles, one end of a spiral hanger and a leading end of a pull rope are...
5618031 Cable pulley device and method  
A lightweight cable pulley device and method provide ease and convenience in offices and other buildings during the installation of sensitive data transmission cable such as termed: "Category 5" or...
5573226 Apparatus for guiding an enlogated item  
An apparatus for guiding elongated items, such as cables, wires, hoses, and the like, onto or from spools. The apparatus includes two frame members that are pivotally and hand-releasably connected...
5533710 Cable stringing roller device  
A cable installation roller or sheave assembly for temporarily supporting cable on a cross member of a pole during installation of the cable onto an insulator. The roller assembly has supporting...
5456074 Method for unwrapping subconductors  
A method of using an apparatus for unwrapping tangled, high voltage subconductors. The apparatus includes sheaves that hold each subconductor. Each subconductor is disposed in a gap between an...
5221074 Device to suspend and string conductors on low, medium, high and extra high transmission lines  
Suspension device for the stringing of electric conductors and/or cables for overhead power lines, of the type comprising a suspension frame, to be anchored to a crossarm of a tower of the line,...
5217207 Apparatus for aerial installation of cable in interduct  
An aerial cable installation method uses a series of large-diameter capstan winches, placed at intermediate access points along a conduit lashed to a strand stretched between a series of poles, to...
5178368 Apparatus for stringing high tension power lines on a set of towers  
A method for stringing high tension power lines on a set of towers, comprising the steps of: mounting a first pulley generally on the top of each tower; mounting at least a second set of pulleys...
5064172 Stringing block  
A stringing block adapted to be mounted on a utility pole having at least one crossarm. The stringing block supports a cable on the crossarm while the cable is drawn into tension and can be used to...
5056673 Gin for electrical equipment  
A gin or lifting mechanism is provided for relatively heavy electrical equipment, such as transformers and the like. The gin is removably mounted on a pole above a cluster rack which is to receive...
4960266 Aerial cable installation method  
Improved sheaves to be placed on utility or telephone poles or towers to facilitate aerial installation of messenger cable systems, such systems comprising a strength messenger having a...
4907782 Tensioning stringing davit for power lines  
A tension stringing davit for use in the stringing of power transmission lines between utility poles attaching temporary side guy cables, and maintenance of power transmission lines, is adapted to...
4844419 Cable carrier  
A cable carrier (1) for mounting power cable or lines (3) on support insulators (2). The carrier (1) comprises a gripping device having two legs (4, 5) each of which carries a respective roller...
4632364 Bundle conductor stringing block gate  
An improved line stringing block utilizes a double gate mechanism to transfer a lead line from the exterior of the block frame to the interior of the block frame. An outer gate is held open until...
4596379 Method of stretching high-tension electric power lines and a device for performing the method  
The invention relates to a system of stretching overhead electric lines, more particularly high-tension lines, according to which a pilot cord or haulage cable is positioned in conventional manner...
4591130 Ground roller  
A ground roller assembly for a bundle conductor stringing block utilizes a plurality of independently mounted grounding sheaves which are individually resiliently biased upwardly to engage an...
4549723 Cable block device  
A cable block device which is capable of clamping upon a strand of any conventional diameter and which is capable of retaining a cable or cables of any conventional diameter. The cable block device...
4429858 Electrical transmission system conductor installation technique  
A typical embodiment of the invention is directed to a "Horizontal Vee" power transmission line conductor installation system. Typically, a connector protrudes from the insulator coupling. A cable...
4420143 Line string block attachment  
An attachment for single strand and multi-strand stringing blocks used during the stringing of high tension electrical wires between electrical suspension towers. Since electrical towers are not...
4365410 Conductor transfer device  
A device enabling movement of an electrical conductor through a string of insulators coupled between a supporting tower and a yoke plate. An upper frame having clamping jaws for engaging one of the...
4301994 Bundle conductor stringing block  
An improved bundle conductor stringing block having a main frame constructed essentially of structural steel components and including a cantilever suspension yoke positioned to form a tow-line...
4278237 Apparatus and method of threading a closed framed opening by helicopters  
An apparatus and method of automatically threading successive closed framed openings by helicopter towing a line equipped with a separable coupling. The invention utilizes a short cable loop...
4247084 Stringing block threading apparatus  
Stringing block threading apparatus for use in uncoupling a junction in a conductor hauling line and inserting a threading loop therein previously assembled through the throat of a stringing block....
4201369 Pulley arrangement for the laying out of electrical leads in a bundle fashion  
A pulley arrangement for the laying out of electrical leads in a bundle fashion is disclosed. The arrangement comprises a pulley supporting framework having a suspension hook and at least one wheel...
4178470 Insulator for electrical conductors and method of stringing such conductors on insulators  
This disclosure is directed to an insulator for clamping and holding an electrical conductor above the ground for aerial power distribution and transmission. The insulator includes a body member,...
4160540 Fast action disconnect for use on a dog nut of a power line insulator and the like  
A fast action disconnect for releasably coupling parts together such as a power line stringing block and a conventional dog nut at the lower end of a power line insulator. The disconnect has a...
4129287 Stringing block assembly adapted to be threaded by helicopter  
A conductor stringing block adapted to be threaded with a hauling line dropped by helicopter and having a suspension yoke connected at its ends to the opposite sides of the block frame. The yoke...
4093183 Unitary grounding assembly for bundle conductor stringing blocks  
A unitary grounding assembly for pivoting attachment astride a bundle conductor stringing block and provided with grounding rollers biased against the underside of the conductors. The legs of a...
4039141 Grounding accessory for a bundle conductor stringing block  
A grounding accessory for detachable assembly to a bundle conductor stringing block and having an independently supported grounding roller resiliently biased against a respective bundle conductor...
4022431 Methods of stringing bundle conductors  
A method of stringing a bundle of cables from a suspension bracket suspended from a tower cross arm by insulator strings includes securing a temporary connection along at least a part of one of the...
Matches 1 - 50 out of 99 1 2 >