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8925901 Control means for a lifter device, hoist apparatus, and an aircraft  
The present invention relates to control means (20) for controlling a lifter device (10), the control means having a grip (25) comprising a body (30) extending longitudinally in a first direction...
8465005 Pneumatic multi-weight balancing device  
A pneumatic load balancing device having an inflatable reservoir establishing via an amplifier a pressure within a lift chamber that is sufficient to balance the weight of an object being lifted....
8401814 Hoist system with an electronic programmable limit switch  
An electronic limit switch software module is programmed into a controller for a hoist system. The electronic limit switch determines the rotations of a motor to keep track of the location of the...
8125173 Control system for a lifting device  
A control system for a lifting device in which a load moves up or down or maintains its position by a rope that is wound up or down by the rotation of a servo motor. It includes a device for...
7900893 Electronic control for winch tension  
A method for controlling the tension in a spooled device disposed on a winch, comprises providing an input signal to a controller indicative of a measured tension in the spooled device, providing...
7832711 Control system for transfer means  
A control system comprising a force measuring means (3) for measuring the magnitude of the force acting on a lower part of the rope suspending a load, which force is caused by a force imposed on...
7810790 Vehicle with on-board cargo handling system  
A vehicle, configured to transport an object, said vehicle among other components, comprising: a load bearing member; a line; an actuator coupled to said vehicle and adapted for applying a tensile...
7810791 Hoist controls with compensation for dynamic effects  
A servo motor driven hoist includes a float mode in which a load is raised lowered in response to manually applied forces on the load exerted by an operator in which forces applied to the load as...
7559533 Lift actuator  
An improved electric lift actuator for use on a variety of lift systems, includes various improvements that enable a universal design with interchangeable parts across several load ranges. The...
7334776 Apparatus and method for vehicle on-board cargo handling system  
An apparatus for loading an object into a vehicle, the vehicle having a trunk lid, the apparatus comprising: a line; an actuator adapted for applying a tensile force to the line in response to an...
7222839 Cable slack and guide monitoring apparatus and method for a lift device  
The present invention is a method and apparatus for monitoring the condition of a cable in a human power amplifying lift system. The method and apparatus employ a cable slack sensor and a cable...
6974044 System and device for controlling a load lifting device  
The invention relates to a system for controlling a load lifting device (1) with a controllable drive (2) and a lifting element (5) which is linked with the drive (2) and which is—at least in a...
6916015 Lifting device  
A lifting device comprising a rope or wire provided at one end with a gripping device for an object to be lifted, a pulling device provided at the other end of the rope or wire and a rope wheel...
6886812 Human power amplifier for lifting load with slack prevention apparatus  
A human power amplifier includes an end-effector that is grasped by a human operator and applied to a load. The end-effector is suspended, via a line, from a take-up pulley, winch, or drum that is...
6681638 Device and method for wireless material handling systems  
The invention provides a device and method for wireless material handling systems. The invention further provides an instrumented glove device worn by an operator. A sensory system within the...
6634621 Lifting device and a method for lifting by using the same  
A lifting device for lifting and moving objects with minimal effort and a method for using the same is provided. The lifting device has a cable attachable to an object and a handle on the cable....
6600289 Portable three-phase AC power supply for chain hoist motor  
A portable three-phase alternating current power supply is provided to drive one or more chain hoist drive motors. The portable power supply has a portable case for holding electrical components...
6554252 Device and method for wireless lifting assist devices  
A wireless lifting assist device includes a pulley driven by an actuator which is attached to a ceiling. An end-effector is suspended, via a line, from the pulley and interfaces the object to be...
6499724 Safety latch for a tire carrier  
A winch assembly includes an actuating mechanism coupled to a winch and a latch. Rotation of the winch in a first direction drives the actuating mechanism to position the latch at a first...
6299139 Human power amplifier for vertical maneuvers  
A human power amplifier includes an end-effector which is grasped by a human operator and applied to a load. The end-effector is suspended, via a rope, from a take-up pulley, winch or drum which...
6209852 Removable chain hoist position encoder assembly  
A chain hoist having a casing into which and with respect to which a chain travels is provided with an externally mounted position encoder assembly. A releasable connector, such as a ratchet...
6022002 Apparatus for the assisted handling of a load  
An apparatus for the assisted handling of a load includes at least one motor unit, which actuates the winding and unwinding of a flexible traction element; one or more guiding sheaves; and a...
5960849 Cable slack detector  
An apparatus that detects the occurrence of slack in a cable and that compensates for detected slack is disclosed. The apparatus includes body parts that are movable relative to each other between...
5915673 Pneumatic human power amplifer module  
A pneumatic human power amplifier module is usable in conjunction with a wide variety of pneumatic actuators and lifting devices to provide a human power amplifier for lifting a load. The module...
5662311 Lifting apparatus including overload sensing device  
A load lifting apparatus comprising: a frame; a load engaging mechanism for engaging a load having a weight; a hoist mechanism for raising the load engaging mechanism, the hoist mechanism being...
5509638 Hoist with an elastic cable  
A hoist for loads that includes an elongated upright support assembly and an elongated extending support assembly pivotally mounted to the upper end of the former. The free end of the elongated...
5361565 Elevating system  
An elevating system especially designed for raising and lowering battens used in stages. The elevating system preferably uses two or more winch assemblies with synchronous motors coupled together...
5320572 Toy movable on a cord  
A toy is hung and is movable on a cord between an upper limit position and a lower limit position. The toy includes a frame unit, a driving device, a planetary gearing, and a cord winding gearing...
5097901 Apparatus for removing fluids from a well  
An improved mobile pumping apparaus for producing fluids from, for instance, shallow and/or slow-flowing marginal oil wells. The invention comprises a boom assembly which is adapted for mounting...
4969301 Relatchable launch restraint mechanism for deployable booms  
A deployable boom is constructed of springly flexible members so that it is self-biased toward a long length deployed state. A drive mechanism is operative to actuate a reel and lanyard device to...
4875530 Automatic drilling system  
Maximum rate of drill bit penetration in high speed coring is achieved by precise control of bit weight and bit speed. The automatic drilling system of this invention makes it possible to quickly...
4844421 Operating device for electric hoist  
An operating device for an electric hoist, comprises a switch box and a cylindrical body connected to a lower end of a chain depending from a main body of the electric hoist for lifting a load. To...
4751969 Apparatus and method for removing fluids from a well  
Apparatus and method for removing fluid from a well. The apparatus is mobile, and includes a power winch mounted on a mobile support means with a cable attached to the winch. A constant tension...
4667892 Downrigger up stop  
A downrigger UP stop for powered downriggers used primarily in fishing in which a nonconductive link is located in a cable line to the weight, mass or cannonball. A flow of current through the...
4663128 Pulling head for a crystal growing furnace  
A pulling head adapted for use with a crystal growing furnace and a crystal growing furnace containing such pulling head, which furnace comprises a high and low speed seed lift motor, a seed...
4557659 Device for supporting and handling loads by means of vacuum operated suction pads  
A device can be applied to a lifting and/or transporting unit for the controlled support of loads by generating a vacuum in one or more suction pads. The device includes a vacuum gauge measuring...
4535973 Vehicle tire carrier  
A vehicle spare tire carrier utilizing a winch for holding the tire against the vehicle underside, wherein the winch employs apparatus for preventing the cable sheave from being rotated in the...
4500074 Fluid-operated apparatus for handling and lifting loads  
Fluid-operated apparatus is provided for handling and lifting loads of various weights. The apparatus includes a fluid-operated hoist with an elongate member extending therefrom to a load-carrying...
4478390 Fluid-operated apparatus for handling and lifting loads  
Fluid-operated apparatus is provided for handling and lifting loads of various weights. The apparatus includes a fluid-operated hoist with an elongate member extending therefrom to a load-carrying...
4462571 Fluid-operated, load-handling apparatus  
A fluid-operated, load-handling apparatus is provided for handling loads of various weights. The apparatus includes a fluid-operated hoist with an elongate member extending downwardly to a...
4458880 Method and apparatus to measure tension in a pull line for cable  
A method and apparatus for measuring tension imposed on a cable by a pull line in a conduit includes a tension meter coupled between the cable and the pull line. The meter includes a load cell...
4434873 Electric elevator car driving device  
An electric elevator car drive has a sheave having grooves lines with non-metallic linings, and a controller which stops the elevator car when the linings are damaged. The grooves of the sheave...
4420122 Lighting device suspending system  
A telescopically extendable hanging mechanism for suspending a lighting device has a driving mechanism provided with wires for controlling extension of the hanging mechanism. A wire take-up means...
4349179 Control means for motion compensation devices  
A control system for stabilizing a body suspended by a flexible line from a structure such as a ship, which is subject to uncontrolled oscillating movements, such as may be caused by wave motion,...
4324385 Device for removing and depositing loads between two supports in repeated relative vertical movement  
The invention relates to a device for removal and deposition of loads between two supports in repeated relative vertical movement. The device consists essentially of a crane close to the high...
4316602 Device for pressing a cable against the bottom of a pulley groove  
The hoisting apparatus comprises a device for pressing a roller or a train of rollers against a cable section engaging a driving pulley in order to improve the adherence of the cable to the pulley...
4278393 Slack prevention system for a crowd rope of a power shovel  
In a power shovel having a main frame, a front end assembly operatively connected to the main frame and a rope crowd system including a rope drum supported on the main frame, a motor supported on...
4252190 Wireline stabilization method and apparatus  
Downhole variations in wireline cable tension are substantially reduced for offshore exploration by means of an auxiliary cable tensioning system preferably installed at the ocean floor wellhead....
4227679 Hoist with two or more hoisting units  
A multi-unit hoist apparatus is provided having an overload arrangement in the form of reversible pressure medium cylinders connected to the fixed end of each hoist unit in the apparatus....
4220315 Versatile pulley  
The present invention relates to an ordinary pulley whose pintle is born by a shell provided with a device for suspension from a fixed point and which is adapted to receive a handling or hauling...

Matches 1 - 50 out of 94 1 2 >