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| Number | Title | Issue Date |
| 7367548 | Method and apparatus for elevated storage of articles Method and apparatus for elevated storage of articles including application of a spring clutch winch to provide the required lifting and holding forces. In preferred embodiments, the apparatus includes a spring clutch winch, one or more elongate elements payed out f... | 05/06/2008 |
| 7182318 | Method and apparatus for removing and installing a differential of a vehicle A hoisting assembly that is adapted to be mounted to the frame of a vehicle where a hoisting device extends an attachment member such as a hook to connect to an engagement location of the differential where the hoisting assembly is positioned substantially verticall... | 02/27/2007 |
| 7137586 | Hydraulic spooler Methods and apparatus for spooling a flexible member onto a drum with a spooler assembly. In certain embodiments, a spooler assembly comprises a spooler arm operable to guide a flexible member onto a drum rotating about a drum axis. A first actuator moves the spoole... | 11/21/2006 |
| 7118094 | Rotatable cable guide with cable switching feature A cage in which two pulley wheels are mounted with tangent circumferences so that their circumferential cable grooves surround a cable passing between the wheels. The cage freely rotates about an axis that passes between the wheels. The cage axis is normal to the pl... | 10/10/2006 |
| 7111803 | Cable winch system A cable winch system comprising a driven drum for winding and unwinding cables, a cable guide including two parallel members spaced-apart to allow for the cable to freely travel in between the members. The cable guide is pivotally attached to a geared oscillation de... | 09/26/2006 |
| 7083026 | Engine frame with counter-roller support for an elevator drive An engine frame and counter-roller support assembly provides for adjustable positioning of the support with respect to the engine frame, thus allowing differing cable-line spacing to be accommodated. The support includes a pair of carrier elements. The counter-rolle... | 08/01/2006 |
| 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 |
| 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 |
| 6983927 | Level wind apparatus for use on a snow grooming vehicle A level winder is provided for winding cable in a winch system. The winch is suitable for use on a tracked vehicle, such as a snow grooming vehicle, to assist the vehicle in maneuvering on steep inclines. The level winder uses a pivoting pulley assembly to feed cabl... | 01/10/2006 |
| 6959918 | Truck canopy lifting assembly A truck cap lifting assembly includes a first elongated member and a second elongated member each having a first end, a second end, a top side, a bottom side, and a pair of lateral side edges. A lifting assembly is attached to each of the first and second elongated ... | 11/01/2005 |
| 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 |
| 6712338 | Tahoe rescue tool—rescue hoist A rescue hoist is comprised of a receiver tube attached to a mounting bracket. The receiver tube is for attaching to a tow hitch on a motor vehicle. A motor is attached to a gear head. A flange on the gear head is attached to the mounting bracket. A capstan is attac... | 03/30/2004 |
| 6705179 | Modified rope tensioner A rope tensioner sets the tension of a rope operated switch assembly actuable to switch between first and second conditions on a change in tension of the rope. The tensioner comprises a body, a rotatable member which engages the rope, a shaft for rotating the member... | 03/16/2004 |
| 6554254 | Hoist with curved frame members A portable hoist primarily for mounting on the ground at a manhole or similar location for lifting a load such as a person entering the manhole includes a base with a generally Y-shape defining a rear leg and two diverging front legs for mounting on the g... | 04/29/2003 |
| 6443431 | Load compensated right angle diamond screw levelwind A cable winding system has a powered spool for receiving the cable in continuous evenly distributed coils. A levelwind mechanism is attached to the spool and guides the cable onto the spool by a pawl traversing a powered diamond screw groove. The levelwin... | 09/03/2002 |
| 6425596 | Vehicle winch arrangement A winch arrangement fitted to a vehicle chassis (1) comprises a winch (2) mounted at an intermediate position between chassis front end (3) and chassis rear end (4), and a winch cable (5) extended from the winch (2) to a pulley block (6) mounted on the ch... | 07/30/2002 |
| 6261027 | Portable pulling apparatus The present invention provides a portable pulling apparatus suitable for mounting in an exit pit during installation of a pipeline. A portable pulling apparatus of the invention includes an elongated stake having a lower end portion configured for inserti... | 07/17/2001 |
| 6193218 | Cable pulling machine A cable pulling machine in which all of the operative mechanisms are mounted on a trailer for portability. The machine has an internal combustion engine driving a hydraulic pump supplying fluid pressure to a hydraulic motor on a winch spool which holds a ... | 02/27/2001 |
| 6142448 | Belt hoist To prevent a random coil of and an overwind of a belt with simple structure, a belt hoist includes a random coil preventing member pressed against the belt wound around a winding member to prevent a random coil of the belt, the random coil preventing memb... | 11/07/2000 |
| 6112607 | Slant hole pumping unit A slant hole pumping unit includes a base mounting a support structure. A drive system is mounted on the support structure and is connected to a bridle strap assembly for reciprocating same. A constraint link assembly includes a lower end pivotally connec... | 09/05/2000 |
| 6056274 | Boat hoist apparatus An apparatus for selectively raising, storing, and lowering a recreational water craft that includes a first cable. The first cable is attached at one end to a winch for selectively shortening or lengthening the first cable. The first cable is attached at... | 05/02/2000 |
| 6056273 | Internal sheave pulley system for bipods, tripods, or quadripods A bi-, tri-, or quadripod apparatus utilized over a confined space to aid in the introduction or removal of persons or equipment into the space, including a head casting with upright members extending vertically downwards and outwardly from the head casti... | 05/02/2000 |
| 6050548 | Collapsible lifting assembly An assembly for lifting items and work pieces that is collapsible for storage and that includes that includes a collapsible lifting structure and a detachable wheel assembly. The collapsible lifting structure includes a forked base member, a hollow vertic... | 04/18/2000 |
| 6003843 | Belt hoist To prevent a random coil of and an overwind of a belt with simple structure, a belt hoist includes a random coil preventing member pressed against the belt wound around a winding member to prevent a random coil of the belt, the random coil preventing memb... | 12/21/1999 |
| 5957242 | Machine frame A machine frame with two side members at its ends comprises support arms, which are pivotably mounted in semi-circular cut-out bearing supports. The bearing supports may be arranged on differently high pedestals, which may result in different inclined pos... | 09/28/1999 |
| 5927693 | Rope guiding device with pivotal guide roller for rope winches A rope guiding device (1) for rope winches (W) comprises a stand with points of attachment for the attachment of a rope winch, which stand accommodates a rope guide (3) constituting the rope outlet and inlet and a guide roller (4) pivotally supported on t... | 07/27/1999 |
| 5803437 | Chainless drive winch A chainless drive winch is provided having a cable cylinder meshing with an orthogonal, cylindrical reduction gearing member. The reduction gearing member may be driven by, for example, an electric motor. A brake is provided operable only when the reducti... | 09/08/1998 |
| 5765809 | Device for lifting heavy items The present invention is directed to a device for lifting heavy items from machinery in confined areas. The device of the invention can be easily mounted on a particular piece of equipment and allows for the easy removal of the part or item to be repaired... | 06/16/1998 |
| 5398781 | Cable tensioning device for elevators The invention deals with a cable tensioning system for elevators with separate drive cable and support cable lines 10, 11, which both engage at an elevator cabin 12 and also at a counterweight 13, characterized in that the cable tensioning system comprise... | 03/21/1995 |
| 5335895 | Sensing rope guide for a hoist drum A rope hoist rope guide is readily mounted on a drum by a unique split ring construction and includes unique rollers which cooperate with the grooves in the drum to position the guide ring and accurately deploy the rope to appropriately lay the rope in th... | 08/09/1994 |
| 5240229 | Bailer hoist A hoist for lifting and lowering an equipment in a well comprises base member; a belt for removably securing the base member to a vertical wall portion of the well casing; a boom with its first end being secured to the base member and its second end exten... | 08/31/1993 |
| 5120024 | Payout tension control system for reel mounted cable A payout control arm is angularly displaceable about a brake shaft during yout of a cable from a storage reel in response to tensioning forces transmitted through the cable from a payout load, the cable being entrained about a pulley rotatably carried on ... | 06/09/1992 |
| 4858890 | Method and apparatus for lifting objects inside a limited access vessel A hoist and method are provided for lifting objects inside a vessel having a wall defining a port and having a platform on the exterior of the wall. The hoist includes a frame with a support portion extending outwardly from the port adjacent the platform ... | 08/22/1989 |
| 4842251 | Pulley with cord retention member A pulley assembly is provided for an operating cord. The pulley has a body with a rotational axis and an annular outer surface concentric with the rotational axis. A cord retention member has a surface to be situated around the annular outer pulley surfac... | 06/27/1989 |
| 4770394 | Pulley hoists Pulley hoists are disclosed which provide moving anchor hooks that are suspended by two "pulls" of rope, and which may be fabricated by a single part. Anchor hooks are also disclosed which have multiple, independently movable hook portions so that certain... | 09/13/1988 |
| 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 |
| 4552339 | Hoisting device with compensated tackle A hydraulic or pneumatic cylinder supports a pair of non-circular discs and a circular pulley about which a hoisting cable and a carrying cable are trained. The discs are configured such that a constant force is exerted on a load supported by the hoisting... | 11/12/1985 |
| 4257578 | Oil well service rig An oil well service rig having three reels, two of the reels actuated by a hydraulic pump through a gear box which provides for selective engagement or disengagement and a two speed gear ratio change for either reel, the hydraulic pump being driven by a g... | 03/24/1981 |
| 4226405 | Mechanical safety device for a winch The invention relates to a safety device for winch-type apparatus for moving loads. Two longitudinal elements containing a winch between them are connected by a first transverse element on which two telescopic sleeves are pivotably mounted. A calibrated s... | 10/07/1980 |
| 4046355 | Drawworks control apparatus A control apparatus for use with a drawworks assembly having a work piece suspended from, and applying tension to, a cable, one end of the cable being wound on a drum, the rotation of which is controlled by a power brake mechanism, the control apparatus c... | 09/06/1977 |
