Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8052123 | Unified remote control operation of yacht winches A power operated winch mechanism for handling the running rigging lines of a sailing yacht. The winch includes a winding drum, which winds and stores the line during line retrieving operations and controllably releases the line when desired. A pair of the new winche... | 11/08/2011 |
| 7878484 | Vehicle-mountable hoist Embodiments include an apparatus comprising a first part to be removably secured to a receiver hitch of a vehicle. The first part is removably integrated with a boom receiver. The boom receiver can be removably connected to a boom extending upward at an angle from t... | 02/01/2011 |
| 7845622 | Hoist device A hoist device adaptable to lift or pull load material of various types. The hoist device is attachable to the trailer hitch of a vehicle and comprises a telescopic boom of a pair of rectangular tubular members attachable slidably to a base support member. In adjace... | 12/07/2010 |
| 7717402 | Line handling winch for sailing yachts A power or manually operated winch mechanism for handling the running rigging lines of a sailing yacht. The winch includes a winding drum, operating in conjunction with a level wind mechanism, which winds and stores the line during line retrieving operations and con... | 05/18/2010 |
| 7413172 | Winch for a vehicle and method for coupling and/or uncoupling and anchoring device to and/or from a positionally fixed anchor part Winch for a vehicle and method for coupling and/or uncoupling an anchoring device to and/or from a positionally fixed anchor part The invention relates to a winch for a vehicle, in particular for a piste maintenance vehicle, with an elongate flexible traction... | 08/19/2008 |
| 7392975 | Vehicle mounted winch assembly with powered sliding cable guide Disclosed is a vehicle mounted winch and cable assembly that may include a slide track, a winch, a cable guide and a powering means. Also disclosed is a related method. The slide track may be rigidly mounted to the vehicle and may have a track axis extending general... | 07/01/2008 |
| 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 |
| 7353704 | Storage tank external gauge system Provided herein are devices useful for guiding cables, wires, cords, and the like. A device according to the present invention is particularly useful for guiding a cable that is used in providing an external liquid-level gauge on an oil tank. A cable guide means acc... | 04/08/2008 |
| 7311297 | Electric powered lift with load control A lifting device utilizing a utility winch having an electric motor and cable drum. The cable on the cable drum extends around a pulley located on a load cell beam. Excessive loads will deflect the load cell beam causing a contact on a micro switch to be engaged to ... | 12/25/2007 |
| 7226040 | Power supply winch system The power supply winch system comprises a generally inverted L-shaped supportive frame and a winch attached to the supportive frame. The supportive frame comprises a horizontal member and a vertical member that are pivotally attached to one another at one end. The h... | 06/05/2007 |
| 7222510 | Systems and methods for manufacturing a drop bar Systems and methods for using an extrusion, forging, casting and/or machining process to provide an aluminum hitch component with increased strength that eliminates encumbrances, such as rusting and fusing, associated with traditional hitch components. Accordingly, ... | 05/29/2007 |
| 7156412 | Systems and methods for providing an aluminum bar for towing Systems and methods for using an extrusion, forging, casting and/or machining process to provide an aluminum hitch component with increased strength that eliminates encumbrances, such as rusting and fusing, associated with traditional hitch components. Accordingly, ... | 01/02/2007 |
| 7111826 | Pulling apparatus An apparatus includes a sleeve comprising a nub, the sleeve sized to receive a bar. The apparatus further includes a movable spindle with a bracket. The bracket is sized to fit over either of the bar and the nub. ... | 09/26/2006 |
| 7080826 | Winch for a construction machine The invention relates to a winch for a construction machine having a cable drum for receiving a cable and a winch support on which the cable drum is mounted in rotary manner about a rotation axis. The cable drum is swivellably mounted about a swivel axis with respec... | 07/25/2006 |
| 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 |
| 6951345 | Trailer hitch alignment device A hitch alignment device for aligning a ball and socket of a ball and socket type hitch is disclosed. The alignment device includes a base with a winch and pivotable cable guide mounted on it. The cable guide includes a plate with an arm extending outwardly from it ... | 10/04/2005 |
| 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 |
| 6612516 | Method and apparatus for cable dispensing and placement An apparatus and method for forming wire bundles from a plurality of wire or cable is provided. A plurality of wires are withdrawn from a rack configured to easily receive and retain a wire spool axial. A driven pulling spool, preferably configured for qu... | 09/02/2003 |
| 6595495 | Wire winding and ordering device for electromotive winch A wire winding and ordering device for an electromotive winch is installed at a front opening of a winch. The wire winding and ordering device includes a transversal displacement element and a longitudinal displacement element. The longitudinal displaceme... | 07/22/2003 |
| 6572082 | Railway boxcar door operating unit A door operating apparatus is provided for safely and efficiently opening and/or closing a side door of a railway boxcar by moving a door engagement member laterally.... | 06/03/2003 |
| 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 |
| 6283455 | Multi-mission recovery device A recovery device particularly useful in confined space and remote rescues. The recovery device includes a base plate, a winch coupled to the base plate, and an anchoring plate coupled to the base plate to detachably couple the base plate to an object tha... | 09/04/2001 |
| 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 |
| 6138992 | Winch pulley attachable to a motor vehicle-mounted box hitch A winch pulley accessory for directing the pull of a vehicle-mounted winch to move a motor vehicle in any desired direction. The pulley accessory comprises an elongated tubular member and a pulley block. The tubular member slides into a box hitch mounted ... | 10/31/2000 |
| 6086050 | Apparatus for pulling a traction cable through an underground pipe A pulling apparatus includes a frame having a securing stirrup for securing a beam. The beam is provided at one end with a return pulley. Due to the structure of the securing stirrup, the tractive forces are transferred completely to the beam and the fram... | 07/11/2000 |
| 6059266 | Recovery device A recovery device particularly useful in confined space and remote rescues. The recovery device includes a base plate, a winch coupled to the base plate, and an anchoring plate coupled to the base plate to detachably couple the base plate to an object tha... | 05/09/2000 |
| 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 |
| 5967496 | Lifting drum having a self-positioning cable guide A cable guide for a winch having a lifting drum over which a cable is wound back and forth between two end flanges. A guide body in the form of a truncated cone is slidably mounted upon a pinion that is located adjacent to one end of the drum, generally p... | 10/19/1999 |
| 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 |
| 5918861 | Load lifting apparatus A load lifting apparatus for enabling an individual user to lift a heavy weight. The load lifting apparatus includes a tricycle type base which supports a vertical beam. The vertical beam is height adjustable. The vertical beam supports a horizontal boom.... | 07/06/1999 |
| 5468054 | Pivoting trailer assembly A trailer assembly adapted to pivot with respect to the horizontal comprising a trailer frame, the trailer frame adapted to be connected to a towing vehicle; a trailer bed, the rearward end of the trailer bed being pivotally connected to the rearward end ... | 11/21/1995 |
| 5165123 | Wheelchair overhead lifting apparatus An overhead lifting apparatus adapted to a wheelchair lifts a disabled person from the wheelchair to a forward elevated position. The disabled person is rotated and lowered to a second desired location approximate to the front of the wheelchair. The overh... | 11/24/1992 |
| 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 |
| 5064336 | Winch assembly for boat trailer A winch assembly for mounting on a boat trailer having a casing substantially enclosing the conventional winch apparatus, and including adjustable mounting provisions for maintaining the winch strap in alignment with and close proximity to a bow stop for ... | 11/12/1991 |
| 5010933 | Log skidding vehicle A vehicle is provided for skidding timber. Conventional skidders are generally large tracked or rubber tired vehicles having a fixed frame to which a towing cable is attached. The cable load applied to such skidders is rearward of the rear wheels tending ... | 04/30/1991 |
| 4955781 | Variable rate boat loading method A variable rate boat loading method includes using a frame having transverse front, rear-powered and rear-pivot rollers. Two pulleys are mounted on the boat gunwales between the boat's bow and center of gravity. Two winch lines are connected at one end to... | 09/11/1990 |
| 4934659 | Hoist and dolly apparatus A hoist and dolly apparatus includes a pair of vertical columns mounted with angle braces to a horizontal base supported by wheels. A boom has a proximal end pivotally connected to cross braces extending between the vertical columns, and a distal end carr... | 06/19/1990 |
| 4909482 | Vehicle winch with retractable hitch The invention relates to a winch for a vehicle which is compact enough to be located at the rear of the vehicle without causing due limitation to the cross country ability of the vehicle and yet at the same time, provides a reliable winch for drawing a ve... | 03/20/1990 |
