Quotables
"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7370904 | Covering device for a vehicle container A cover assembly for a vehicle carried open top container wherein a cover is connected at one end to a vertically adjustable tower and an opposite end to a cross member connected to a pair of pivot arms that are mounted at their lower ends to be pivoted by at least ... | 05/13/2008 |
| 7360662 | Telescopic boom arm A telescopic boom arm operable between a retracted position and an extended position includes an elongate first boom section, an elongate second boom section, and a flexible hydraulic line. ... | 04/22/2008 |
| 7341157 | Enclosed-reeving, live-line boom A crane comprising a boom formed as an elongate tubular structure and a line assembly to extend a line from a least one end of the boom. The line assembly may include a first bank of sheaves, a second bank of sheaves, a line reeved around the first and second banks ... | 03/11/2008 |
| 7309080 | Extendable arm for a motor vehicle An extendable arm that extends from a police vehicle towards a pulled over vehicle. The arm allows for two-way communication or document transfer. The police officer can position the extendable arm while seated in the vehicle. The extendable arm includes a main shaf... | 12/18/2007 |
| 7150497 | Stand-up operator's platform for a truck-mounted aerial device A stand-up operator's platform for a truck-mounted aerial device wherein a turret is supported for rotation on the frame of the truck about a vertical axis. The stand-up operator's platform of this invention is secured to one side of the turret for rotation therewit... | 12/19/2006 |
| 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 |
| 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 |
| 6978907 | Telescopic jib for a vehicular crane A telescopic jib for a crane, such as a vehicular crane, comprises an upper profile part and a lower profile part joined together. The lower profile part consists of several shell segments, each having an outwardly curved shape, and the upper profile part comprises ... | 12/27/2005 |
| 6881021 | Telescopic jib for a motor vehicle or a crane A telescopic boom (1) for a vehicle (25) or a hoist with a storage rack (6) for at least two box girders (2, 3) guided displaceably in one another in the direction of their longitudinal axes, which are mounted to pivot about a horizontal ... | 04/19/2005 |
| 6601719 | Locking and latching system for a telescoping boom A locking and latching system for use with a telescoping boom assembly in a crane or other lifting device is provided. The system may include complementary devices for latching and unlocking a selected boom section for telescoping movement relative to a n... | 08/05/2003 |
| 6575318 | Locking unit for a telescopic jib of a crane and telescopic jib A locking unit for a telescopic system of a hydraulically actuated telescopic jib of a crane, having a jib box frame and a plurality of telescopic sections which are guided inside one another and can be moved out of a starting position into in each case a... | 06/10/2003 |
| 6536325 | Hydraulic cylinder for telescopic arms Hydraulic cylinder for telescopic arms, especially crane arms, consisting of a sleeve (1) closed by means of end covers (2) and (3); an internal piston (4) delimiting expansion (5) and retraction (6) chambers, a tubular shank (16) associated to the piston... | 03/25/2003 |
| 6527131 | Crane with a telescopic boom Segments can be telescoped out of the base boom with boom guides of a telescopic boom of a crane, which in either their extended or retracted positions are locked by locking pins. After releasing the locking pin connections, the segments can be moved in a... | 03/04/2003 |
| 6516960 | Method for synchronously retracting and extending telescopic lengths of a crane A method for synchronously retracting and extending a jib of a crane having a plurality of telescoping lengths, preferably in a vehicle crane, extending and retracting being with driving means which is one of a hydraulically-driven, multistage telescoping... | 02/11/2003 |
| 6474486 | Method of telescoping a crane jib, apparatus for implementing the method, and a crane jib constituting an application thereof The invention relates an apparatus for hoisting and handling equipment wherein the apparatus includes locking members having a locking block (30) carried by each telescopic element and including clamping member which is clamped in a rest position, an immo... | 11/05/2002 |
| 6435805 | Tire manipulator for mine service vehicles A tire manipulator for mine service vehicles has a mast for mounting on a vehicle, a telescopic boom connected to said mast and wheel handling equipment connected to said telescopic boom. A first boom may connect said mast to a moveable boom, the moveable... | 08/20/2002 |
| 6434437 | Boom extension and boom angle control for a machine A boom control apparatus and method are disclosed for controlling a boom of a machine. The boom control apparatus includes a boom angle sensor, a boom length sensor, a chassis pitch angle sensor, a chassis roll angle sensor, and a control lever. All of th... | 08/13/2002 |
| 6364142 | Hydraulic oil feed plunger cylinder A crane vehicle comprising a telescopic main boom which can be hydraulically configured by means of an assembly comprising a plunger cylinder and to which a derrick mast can be secured is provided with a plunger cylinder configured as a supply and dischar... | 04/02/2002 |
| 6244450 | Method and apparatus for telescoping boom with hydraulic extension actuators A method of constructing a five section telescoping aerial lift, crane or similar vehicle-mounted equipment and a lift constructed in accordance with the method having one end pivotally secured, about a horizontal axis, to the pedestal and the other end o... | 06/12/2001 |
| 6206213 | Crane with a luffing jib A crane, includes a luffing jib having individual telescoping jib members, and a locking device configured for linkage of jib members and movable between an engagement position in which the jib members are locked together and a release position in which a... | 03/27/2001 |
| 6199707 | Telescopic boom A telescopic boom 9 comprises a proximal boom 9a, an intermediate boom 9b, and a distal boom 9c assembled together in a telescopic fashion. A telescopic cylinder 21 is disposed such that a distal end portion of a cylinder rod 21b is firmly attached to a p... | 03/13/2001 |
| 6189712 | Crane with telescope jib A crane includes a telescopic jib having telescopic jib sections and a base jib. The telescopic sections are arranged so that they can be axially moved into and out of the base jib individually. Locking pins are used hold the telescopic sections in place ... | 02/20/2001 |
| 6182995 | Extendable semi-trailer The invention provides for the management and protection of excess lengths of utility cables in extendable semi-trailers. Utility cables are affixed to the front and rear sections of an extendable semi-trailer and are threaded through a protective carrier... | 02/06/2001 |
| 6053341 | Device in extendible crane booms An extendible crane boom comprises a number of telescopic boom sections, which are each composed of a tube and a holder mounted at an outer end of the tube and serving as an attachment for a double-acting hydraulic cylinder which serves to displace the in... | 04/25/2000 |
| 5927520 | Electro-hydraulic operating system for extensible boom crane An electro-hydraulic operating system for an extensible boom includes one or more hydraulic cylinders for imparting relative motion between the boom sections to retract the boom according to an electronically stored program of sequences of movement and sp... | 07/27/1999 |
| 5813552 | Telescopic boom with multistage hydraulic cylinder A telescopic boom contains a multistage hydraulic cylinder for extending and retracting the boom parts. The telescopic boom is characterized in that a first component of a supporting device is secured to at least one cylinder and in that a second componen... | 09/29/1998 |
| 5743149 | Articulated telescopic boom having slide-through knuckle An articulated telescopic boom assembly for a lifting device includes a first elongated boom having a central longitudinal axis and an opening in one end; a second elongated boom having a first end normally telescopically received by and extensible from t... | 04/28/1998 |
| 5718345 | Carrier track system for independent and/or synchronized operation of a multi-section telescopic boom structure A carrier track system for a multi-section telescopic boom structure having a base section, a mid section and a fly section. A pair of flexible tracks carrying flexible hydraulic hoses and electrical cables are positioned within the base and fly sections ... | 02/17/1998 |
| 5695082 | Crane having a readily removable outer boom section A crane apparatus includes an upstanding mainframe and a boom unit supported for pivoting movement on the mainframe about a horizontal axis. The boom unit includes a base boom, an outer boom section of one or more outer booms, and a fluid-actuated piston-... | 12/09/1997 |
| 5678708 | Extendible crane boom An extendible crane boom comprises, in addition to a tubular base boom section (1), a plurality of boom sections (2, 3, 4, 5) telescopically within the base boom section and each composed of a tube and a holder (8, 8', 8", 8"') mounted at an outer end the... | 10/21/1997 |
| 5628416 | Traveling crane with telescoping boom A traveling crane including a telescoping boom whose individual telescopically extending boom members are able to be extended and retracted after the disengagement of locking bolt connections using one single stage hydraulic piston and cylinder unit. The ... | 05/13/1997 |
| 5624046 | Telescopic rods for a crane A telescopic rod composed of a plurality of tubular rod sections which are mounted so as to be slidable within each other includes a multistage piston-cylinder unit which is arranged within the telescopic rod and is connected to the outermost rod section ... | 04/29/1997 |
| 5568829 | Boom construction for sliding boom delimeers An improved boom (24) for a sliding boom delimber (10) is disclosed formed from a prestressed, conventional I beam (28). A first segment of a cable bundle (70) extends from the grapple head (36) and is secured adjacent the lower flange (32) of the I beam ... | 10/29/1996 |
| 5518129 | Boom including plural arms telescopically extendible and retractable successively A loading crane that can be mounted on a lorry has a jib composed of several arms telescopically nested into each other. A hydraulic unit composed of piston and cylinder is arranged between successive arms. When an arm is extended, a stop arranged on the ... | 05/21/1996 |
| 5501346 | Multistage telescope boom A multistage telescopic boom or jib, in particular for a loading crane on a truck, has hydraulic units each including a piston and a cylinder arranged between the successive, telescopically nested arms. A pipe projects axially from the bottom of the cylin... | 03/26/1996 |
| 5494397 | Load handling apparatus A load handling apparatus for a vehicle includes a telescopic boom pivotably mounted on a chassis frame of the vehicle. The boom has first, second, third, and fourth sections telescopically engaged in sequence and mounted so as to be slidable relative to ... | 02/27/1996 |
| 5465855 | Telescoping crane arm A telescoping crane arm assembly includes a base body; a power cylinder extendable from and retractable into the base body; a plurality of crane arm segments extendable from and retractable into one another and the base body; a first mechanism coupling th... | 11/14/1995 |
| 5267824 | Tool controlling mechanisms for excavator with telescopic arm An excavator comprising a movable body, a boom mounted on the movable body, first hydraulic cylinders, an outer arm pivotally mounted on the boom, a second hydraulic cylinder mounted on a rear surface of the boom, an inner arm inserted into the outer arm ... | 12/07/1993 |
| 5061149 | Fork lift vehicle having a telescopic boom with an articulated jib section capable of vertical and horizontal swinging relative to the boom An extendable boom fork lift vehicle is described wherein the boom and its actuator are positioned over the rear axle of the vehicle such that the weight of the frame between the front and rear axles and behind the rear axle may be reduced. A modified boo... | 10/29/1991 |
| 5056673 | Gin for electrical equipment A gin or lifting mechanism is provided for relatively heavy electrical equipment, such as transformers and the like. The gin is removably mounted on a pole above a cluster rack which is to receive the electrical equipment. The gin transfers the load of th... | 10/15/1991 |
