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| Number | Title | Issue Date |
| 7278247 | Method and apparatus for replacing a utility pole A method and apparatus is provided for replacing a pole in an electrical utility support structure while the supported electrical wires remain energized. The method comprises erecting a replacement pole adjacent to a pole to be replaced, and providing a pivotable su... | 10/09/2007 |
| 7261278 | Powered rope ascender and portable rope pulling device A device for pulling an elongate member includes a powered rotational motor having an output and a rotating drum connected to the output of said rotational motor where the rotating drum has a longitudinal axis and a circumference. The device further includes a guide... | 08/28/2007 |
| 7112026 | Cabinet lifting device A device for lifting and supporting a cabinet during installation thereof and including elongated support legs and elongated dowels connected to the support legs for preventing the movement of the support legs and for maintaining the device at a substantially stable... | 09/26/2006 |
| 7090086 | Extendible boom with removable hydraulic hose carrier A telescoping boom has a plurality of boom sections, and the boom sections nest together. The sections include an outer base section, intermediate sections, and an inner section that forms the outer end of the boom when extended. A hydraulic actuator and mechanical ... | 08/15/2006 |
| 7055186 | Combination spa and entertainment system A combination spa and electronic entertainment system is disclosed. The spa includes a tub with an upper edge from which horizontal surfaces extend. The surfaces have apertures through which water-tight housings may be raised and lowered. The housings hold component... | 06/06/2006 |
| 7048257 | Winch with telescoping mast A portable winch suitable for use in underground pipe bursting and replacement includes a mounting frame positionable at a top opening of a hole such as a receiving pit or manhole. A telescoping mast having a series of nested, top and bottom mast sections is mounted... | 05/23/2006 |
| 7048258 | Apparatus for moving objects This invention relates to an apparatus (1) for lifting and moving objects (2), the apparatus including a mobile base means, a telescoping post means (6, 7), an object handling cradle and a cradle (50) adjusting means (20, 21), wher... | 05/23/2006 |
| 6942198 | Lifter A lifter is constructed to include a hollow main upright, a frame pivoted to the main upright to carry a hand winch, a link coupled between the frame and the main upright, a hollow auxiliary upright axially movably mounted in the hollow main upright, a lifting uprig... | 09/13/2005 |
| 6926103 | Splittable block on a derrick The invention is a hoist system for a derrick with a derrick inside, a derrick outside, and a derrick top side; a splittable block connected to the derrick top side; a hoisting cable guided through the splittable block; a moveable trolley with a trolley top side and... | 08/09/2005 |
| 6921095 | Hand trolley with winch operated lifting carriage A hand trolley includes a chassis formed from side frames comprising parallel frame members, wheels and a base platform provided with a load lifting carriage having a lifting surface. The carriage can be raised from a low position on the base platform to an elevated... | 07/26/2005 |
| 6571970 | Monorail telescopic carrier A load carrier for supporting, raising or lowering a load includes a frame member, a telescoping mast, and a support frame. The frame member is adapted for being movably supported by a rail. The telescoping mast is supported by the frame member, with the ... | 06/03/2003 |
| 6371247 | Lift assembly A lift assembly includes first and second elevator structures, each including a first scissors section, a second scissors section pivotally connected to the first scissors section and supporting a lift shaft which extends between the first and second stru... | 04/16/2002 |
| 6371449 | Portable motorcycle hoist A portable motorcycle hoist has a main frame assembly which includes a pair of vertically-oriented parallel channel beams rigidly affixed to both an upper cross brace and to a base member. The pair of channel beams provide a caged track for a trolley whic... | 04/16/2002 |
| 6280358 | Gate drive assembly A drive, preferably a gate drive with a belt transmission encompassing a drive pulley and an output pulley. According to the invention the drive pulley consists of at least one cylinder with inwardly tapering flanges at its ends. A round belt, rope or sim... | 08/28/2001 |
| 6134422 | Adjustable height ground level serviceable cellsite The present invention is a base station that may be adjusted to varying altitudes along a vertical support but will not temporarily suspend wireless communications services to all mobile telephones within its associated cell when being serviced. In one em... | 10/17/2000 |
| 6095501 | Stretch compensation in a hoisting system for a derrick An apparatus for a derrick, comprising two or more hydraulic piston-cylinder arrangements (10, 11) for raising and lowering a yoke (8) which travels on guide rails (7) in the derrick (1) itself, where two or more wire lines (13) are strung over sheaves (1... | 08/01/2000 |
| 5595265 | Portable vertical lift A portable apparatus for raising and lowering a load vertically along a substantially vertical structure. The apparatus comprises a vertical guide, which is secured to the substantially vertical structure by a retainer. A carriage is movably attached to t... | 01/21/1997 |
| 5547185 | Adjustable basketball goal A basketball goal and pole is provided of the type permitting the height of the basketball goal above a playing surface to be adjusted. The adjustable basketball goal comprises: a vertical pole having a plurality of rails formed on the outside thereof run... | 08/20/1996 |
| 5528948 | Actuating device provided with a pull and resilient return jack An actuating device intended for spacially moving a mobile part in relation to a fixed point, characterized in that it includes a motor (1) driving, around its shaft (2), a winding element (4) pulling a mobile lifting element (9) connected to a fixed poin... | 06/25/1996 |
| 5375945 | Method and apparatus for thrusting a pipeline into bore hole A pipeline is forced into a borehole using a deadman disposed directly in front of the entry to the borehole. A force is generated between the deadman and a collar attached to the pipeline such that the pipeline is forced through the deadman into the bore... | 12/27/1994 |
| 5224569 | Boat lift with articulating arm A boat support framework including an elevating cradle supported between a plurality of cable and pulley containing lift towers via a plurality of roller bearings in engagement therewith. A cable take up axle includes separate cable drums and cables to ea... | 07/06/1993 |
| 5221075 | Safety device for a lifting apparatus A safety device for a lifting apparatus, said lifting device having a carriage member (12) guided in a column (14) said carriage member (12) selectively positioned with respect to said column member (14) by a flexible tension member (20) connected to a dr... | 06/22/1993 |
| 5090667 | Collapsible mobile base for cable hoists A portable cable hoist mechanism is provided which incorporates a wheel mounted base structure having base legs that are capable of being unlocked and folded or otherwise moved to an out-of-the-way position for storage or handling. The base forms a framew... | 02/25/1992 |
| 5078364 | Carriage lock mechanism for portable cable hoist A portable plural telescoping mast cable hoist mechanism is provided which incorporates a single cable for telescopically extending and retracting the mast sections and for controlling movement of a load handling carriage. A carriage lock mechanism is pro... | 01/07/1992 |
| 5069863 | Dual winch nuclear fuel transfer system providing more reliable fuel transfer during refueling operations A transfer system moves fuel assemblies along a track extending through a transfer tube within a containment wall in a nuclear power plant between the auxiliary building side and the containment building side. A car carries a basket for the assemblies. Tw... | 12/03/1991 |
| 4951924 | Deepwater subsea lowering/lifting system Fixed and traveling cable blocks along with first and second cable grip assemblies are supported adjacent the load to be lifted or lowered. A lifting/lowering cable is threaded through the cable grip assemblies before being secured to the load while a sep... | 08/28/1990 |
| 4919393 | Deepwater subsea lowering/lifting system Fixed and traveling cable blocks with first and second cable grip assemblies are supported adjacent the load to be lifted or lowered. A lifting/lowering cable is threaded through the cable grip assemblies before being secured to the load while a separate ... | 04/24/1990 |
| 4909458 | Device for the acceleration of bodies, especially a mobile catapult for flying bodies For acceleration of bodies along a track, a traction rope was wound onto a drum at the end of the track. During disengagement, the rope and the vicinity within range of the rotating rope were liable to suffer damage. The device according to the invention serve... | 03/20/1990 |
| 4838522 | Deepwater subsea lowering/lifting system Fixed and traveling cable blocks along with first and second cable grip assemblies are supported adjacent the load to be lifted or lowered. A lifting/lowering cable is threaded through the cable grip assemblies before being secured to the load while a sep... | 06/13/1989 |
| 4809954 | Loop carriage A carriage cooperates with a cable way machine with an oblique multigroove pulley and a friction drive drum, so oriented that the cable runs in straight directions off and onto circular grooves of the drum. One cable portion runs from the cable way machin... | 03/07/1989 |
| 4757975 | Long travel beam jack A jack for supporting a ceiling beam is provided and consists of a pair of vertical sliding support members operated by a winch mechanism with cable which allows one person to set the beam. The jack will lift heavy loads eliminating the need for a crane a... | 07/19/1988 |
| 4725398 | Cable reeving system A cable-driven arm-reciprocating system particularly useful for transferring nuclear fuel bundles from a nuclear reactor pool to a spent fuel storage pool, wherein an arm-retracting cable extends from a winch drum around fixed and movable-axis sheaves to ... | 02/16/1988 |
| 4715583 | Tension fixture for a curtain A tensioning device for use with an endless traverse which is longitudinally adjustable in both directions responsive to a rotational drive. The rotational drive includes two driving gears which are each selectively coupled with a drive shaft so that when... | 12/29/1987 |
| 4647014 | Device of the kind comprising two telescopically coordinated members A telescopic device with two telescopic members (1, 2) comprises a control means with a flexible transmission element (4) for bringing the telescopic members in relative movement. The transmission element (10) is in engagement with a driving wheel (5), wh... | 03/03/1987 |
| 4620693 | Pole lifting apparatus Apparatus for lifting electric line poles is disclosed which also enables a ground rod or stake to be driven into the ground next to such a pole. There is provided a telescopic mast having a hoist with a rope run over pulleys to a lifting hook and attache... | 11/04/1986 |
| 4598506 | Swimming pool cover A swimming pool cover for an indoor pool which is designed to cover an in-ground pool that is positioned below floor level in a manner so that it provides a support floor when in place that is merely a continuation of the existing floor and which can be r... | 07/08/1986 |
| 4584166 | Tooling system for remote load positioning A manually controlled tooling system for the remote placement and removal of a load, such as a plug, (12) at a location (6) inaccessible to maintenance personnel. The tooling provides for both horizontal and vertical movement of the load, and, in the pref... | 04/22/1986 |
| 4508316 | Cable driven jack A mechanically operated, cable driven jack includes a base, a hollow upright support member secured to the base, a first hollow support tube telescopically received in the support member, and a second hollow support tube telescopically received within the... | 04/02/1985 |
| 4473010 | Sensor traversing device A grouping system (10) includes parallel conveyor belts (28) for conveying the objects from the unloader system (14) to the oven-ready conveyor (24). A group end sensor (64) is moveable along the grouping system (10) between the conveyor belts (28). The s... | 09/25/1984 |
| 4417646 | Counterweight system A movable load exerts varying static and dynamic forces which need to be counteracted with a minimum expenditure of energy. A counterweight connected to the movable load consists of two groups of counterweight components, wherein during movement of the lo... | 11/29/1983 |
