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 |
| 8118250 | Fuel tanker truck accessory and associated methods The invention provides a fuel tanker truck accessory and a method of delivering fuel to a storage tank. The accessory is intended for permanently mounting on the truck and has a spool containing a roll of warning strap. The method includes attaching a plurality of t... | 02/21/2012 |
| 7802747 | Line length adjustment device for mooring lines and the like A line length adjustment device includes a strap having a rope loop attached to one end, the other end wound up on a winder core in a housing which has a rope loop at an end opposite a slot receiving the strap. A gripper element normally engages the strap to lock it... | 09/28/2010 |
| 7604195 | Strapping head assembly for a wrapping machine A strapping head assembly has a central axle, a braking tube, a lower securing plate, a braking pad, an adjusting base, a biasing member, an adjusting nut, a strap-holding collar and an upper holding base. The braking tube is mounted rotatably around the central axl... | 10/20/2009 |
| 7334590 | Anti-slip opening and closing device for sun umbrella An anti-slip opening and closing device for an umbrella is described, which comprises a rope reeled on a roller positioned on a pole of the umbrella. The roller is screwed with a reel having a friction disc. The friction disc is set inside a notch of a ratchet wheel... | 02/26/2008 |
| 7195193 | Fence master fencing dispenser and tensioning device An apparatus and method of unrolling and stretching fence wire for use with a vehicle is disclosed. This device is designed to aid in the installation of fencing such as woven, barb or welded wire and other types of roll fencing. The device stretches fencing against... | 03/27/2007 |
| 7195258 | Mobile thick matter pump comprising a support construction and a pneumatic air-cushioned wheel axle A mobile viscous matter pump comprising a hydraulically operated support construction, a distribution boom (16) and a pneumatic cushioned trailing axle (42). To ensure stability during the pump operation, the trailing axle (42) can be lifted by ... | 03/27/2007 |
| 7156338 | Blind cord retractor A cord retractor device provides multiple retracting mechanisms for independently retracting cords in each of the retracting mechanisms while operating the mechanisms in unison. The retracting mechanisms may be ganged together to form a multiple cord retraction mech... | 01/02/2007 |
| 7146743 | Length measuring instrument A length measuring instrument capable of measuring, displaying and recording the length around a part being measured by applying a measuring belt tightly to that part and operating the instrument by single hand. A rotary shaft disposed in a housing is provided with ... | 12/12/2006 |
| 7108218 | Hose dispenser A hose dispenser has a rotatable reel 10, holding a coiled hose 12 suitable for conveying breathable gas, mounted on a tubular steel frame 14. The reel has a pivoting arm 16, which has a portion defining an aperture, or “eye” 18 | 09/19/2006 |
| 7059085 | Vehicle window arrangement having an angled opening for inserting a cable end during assembly A window-raising device for a vehicle provides a two-cable winding drum, a hood to support and partially surrounding the drum on a support plate to form a cable passage. A flange extends from the winding drum to support sliding movement of an end of one of the cable... | 06/13/2006 |
| 7044412 | Sealed cable drum assembly A device for a window lifter of a vehicle door includes a cable winding drum disposed inside a housing of a casing and a seal attached to the casing. The seal includes a stop portion that prevents translational movement of the drum along its rotational axis while st... | 05/16/2006 |
| 6976318 | Tape measure An improved retractable tape measure has, according to a preferred embodiment of the present invention, the features of a standard measure, including a housing with front and rear sides, a boundary edge and a tape opening, a retractable measuring tape positioned wit... | 12/20/2005 |
| 6957929 | Single and dual reel flying lead deployment apparatus The flying lead deployment apparatus with one reel assembly is made of a frame assembly; a reel assembly with flying lead disposed in the frame assembly adapted to rotate to distribute the flying lead; a first ROV-flying lead interface connected to the frame assembl... | 10/25/2005 |
| 6554218 | Cable management spool A cable management spool for storing a length of cable includes first and second rigid outer members that are movable relative to each other and define a gap of variable size therebetween. An intermediate member has at least one flexible flap, and the int... | 04/29/2003 |
| 6454202 | Cable storage apparatus and cable processing method A reel which is driven by a motor is disposed in a casing. First and second restraining mechanisms for restraining movement of a cable are located at first and second openings formed in the casing for insertion of the cable. The cable extends between said... | 09/24/2002 |
| 6419179 | Reel device with cable guiding unit A reel device includes a housing, a spool, a cable guiding unit, and a cable. The housing has a pair of spaced-apart lateral side wall sand a cable winding space formed between the lateral side walls. The cable winding space has a rear opening. The spool ... | 07/16/2002 |
| 6158563 | Winding mechanism A winding mechanism for an architectural covering such as a blind or shade in which a fixed shaft 10,110 is surrounded by an inner sleeve 16,116 and an outer sleeve 22,122. A one way clutch 20,32 is provided between the inner sleeve and the fixed shaft, a... | 12/12/2000 |
| 6095500 | Winch device A winch device, comprising a drum for storing cable and the like, wherein the device disengageably couples the drum to a winch drum shaft driven by a high torque, low speed hydraulic motor or pump. The motor includes a housing suitable for mounting on a f... | 08/01/2000 |
| 5967076 | Device for emergency towing of vessels A device for emergency towing of vessels. The device has a structure and function for storage where active parts are protected against adverse external influence, thereby making the device ready for use without the risk of jamming or other malfunctions. T... | 10/19/1999 |
| 5938140 | Multi-purpose dive reel The instant invention is an improved multi-purpose dive reel which automates underwater line-handling. The improved multi-purpose dive reel includes an anti-fouling line control system that includes a flexible line wiper and line exit guide. The reel is m... | 08/17/1999 |
| 5655722 | Precision balanced fishing reel A precision balanced fishing reel incorporates a fork-mounted spool coupled to an axle that rotates upon precision bearing assemblies. The fishing reel is rotationally balanced and fabricated from lightweight and heat-tolerant materials to facilitate high... | 08/12/1997 |
| 5655728 | Water spray hose rolling device The present invention consists of a water spray hose device, a fixed base and a movable base, wherein the inner side plate of the fixed base is provided with a holder and a disk capable of continuously positioning, catching and stopping, and the outer sid... | 08/12/1997 |
| 5615844 | Construction and sport line reel The present invention relates generally to construction line reels used in building construction for layout of true lines between two points and relates in particular to a construction line reel which accommodates more than one gauge of line, which permit... | 04/01/1997 |
| 5344094 | Process and apparatus for retaining and dispensing a coiled article A novel apparatus for retaining and dispensing a coiled article is provided comprising a disc-shaped base having a platform rotatably mounted thereto and barring therebetween, a support structure for supporting a coiled article fixedly and co-axially atta... | 09/06/1994 |
| 5326043 | Seat belt retractor A seat belt retractor for an automotive seat belt includes a housing having a spool arranged therein for winding the seat belt therearound. The seat belt passes between fixed and movable clamp portions arranged within the housing such that, under a condit... | 07/05/1994 |
| 5294066 | Power cable spooling/unspooling device In a device for spooling and unspooling a power cable or the like on relative displacement of two areas connected to each other by the cable or the like, spooling and unspooling of the cable are powered by an asynchronous motor whose output shaft is perma... | 03/15/1994 |
| 5207393 | Electric-motor drive for a bowden-cable window lifter The invention concerns an electric-motor drive system for a bowden-cable window lifter. The system includes a braking spring in the form of a helical spring in the manner known from manual bowden cable window lifters. This is made possible by the inclusio... | 05/04/1993 |
| 5011447 | Balloon holder This invention relates to a balloon holder comprising an external cap having a slit through which a string is pulled out, and an internal cap to be fitted to the external cap. When the holder is fitted to a balloon, the total weight of the holder is great... | 04/30/1991 |
| 5001843 | Carpenter's tape machine A carpenter's tape measure having a unique arcuate section and a tape locking device. The position of the lock device and the arcuate section provides for more convenient operation of the tape and lock than is possible with other tapes.... | 03/26/1991 |
| 4848522 | Safety device to prevent accidental unwinding of a rolling shutter or rolling overhead door wound on a shaft A safety device for preventing accidental unrolling of a rolling shutter or overhead door comprising a cogwheel which has uniformly distributed on the circumference opening outward for containing radially movable tumblers, a cage which surrounds the cogwh... | 07/18/1989 |
| 4846313 | Fall-arrest apparatus A fall-arrest apparatus comprises a cable drum (2) and a friction brake including a rotatable brake disc (14) which is pressed against a stationary brake ring (15). In the event that the drum accelerates in the unwinding direction to a certain speed, pawl... | 07/11/1989 |
| 4796826 | Method of stringing cable from a spool mounted on a wheeled vehicle and a system for performing the method A vehicle for stringing cable from a spool is disclosed. The vehicle is provided with two pairs of arms for loading and supporting a spool of cable or the like. One pair of arms is pivotably mounted on the rear of the vehicle. The other pair of arms is al... | 01/10/1989 |
| 4788787 | Scent propagation device A scent propagation device (10) for luring animals and then masking the scent of a human who is hunting game has a line (21) of substantial length that is wound on a free-moving spool (20). The spool (20) is rotatably mounted within a leak-proof container... | 12/06/1988 |
| 4706321 | Drain-cleaning implement A drain-cleaning implement having a plastic shell of two subshells snapped together using male and female mating means along abutting edges and having a snake coiled within the shell and exerting outward mating force on it. The male means are on projectio... | 11/17/1987 |
| 4673143 | Hand-held fishing reel A hand-held fishing reel having a line spool rotatably mounted on a frame and a handle extending from the frame outward from the spool's rotational axis to enable the user to hold the handle in one hand above the frame and behind the spool's rotational ax... | 06/16/1987 |
| 4643370 | Wheeled vehicle for stringing a cable A vehicle for stringing cable from a spool. A motor may be used to rotate the spool, and a multibrake system may be used to inhibit the rotation of the spool. The brake system includes a variable, light resistance brake capable of being activated when the... | 02/17/1987 |
| 4640469 | System for rolling and unrolling a ground cover A system for tightly rolling and unrolling a web employed as a ground cover includes the use of unrolling tapes for unrolling the web, and an unpowered gear motor which serves to retard unrolling, rollup tapes and/or the gear motor being employed for roll... | 02/03/1987 |
| 4624141 | Towrope-handling system monitor for waterskiing A water-skier towrope-handling system is provided that provides an alarm to the driver of a ski towboat when the skier falls. The alarm is triggered by the release of the towrope handle by the skier, independent of the tension on the ski rope. Preferably,... | 11/25/1986 |
| 4591021 | Sky-slide emergency escape system This invention relates to a rapid emergency escape system from an elevated structure which could be used as a fire-escape system from different levels of high rise building to its ground level. The sky-slide emergency escape system of the present inventio... | 05/27/1986 |
| 4530474 | Braking device for motor-driven reeling devices In a braking device for motor-driven reeling devices, a motor-driven reeling drum (5) cooperates with a brake (10) for braking thereof. In order to provide a simple braking device which is suitable primarily for reeling devices of a more simple type, the ... | 07/23/1985 |
