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System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 8162160 | Modular counterweight carriage for cranes, in particular for large crane A large mobile crane includes a revolving superstructure, a main boom hinged to the superstructure, and a derrick boom hinged to the superstructure. A modular counterweight system includes a traveling counterweight and a non-traveling counterweight connected to a cr... | 04/24/2012 |
| 8006850 | Articulated jib An articulated jib for moving a load is supported on a base and comprises a first jib arm pivotably connected to a base. The first jib arm functions as a bascule and is pivotable about a first axis. There is a first counterweight disposed on the first jib arm. A sec... | 08/30/2011 |
| 7766176 | Mobile lift crane with lift enhancing attachment A mobile lift crane includes a central crane unit, a boom unit and a counterweight unit. The central crane unit has a carbody, moveable ground engaging members and a rotating bed mounted to the ground engaging members with a rotatable connection such that the rotati... | 08/03/2010 |
| 7370767 | Mobile crane The embodied mobile cranes have a travelling base structure that allows for travel of the crane over a surface. The cranes have a revolving superstructure mounted on the base structure and a boom and a backmast. The boom and backmast are each hinged about an associa... | 05/13/2008 |
| 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 |
| 7331476 | Lifting appliance A machine for lifting and handling loads with an orientable articulated placing jib, comprising a mast with a rotating pivot, an articulated jib (16) comprising a jib foot (19), articulated at its first end on the top of the mast by a horizontal rotati... | 02/19/2008 |
| 7293669 | Tensioning system for a mobile telescopic crane The invention relates to a tensioning system for a mobile telescopic crane, in which the telescopic mast is outwardly braced via a tensioning means, and wherein said tensioning means is guided along or over the telescopic mast and fastened to the telescopic mast in ... | 11/13/2007 |
| 7266421 | System for controlling lifting and remote handling units located in a confined enclosure The control system is used to control manipulation equipment (41) and carrying equipment (43) confined in a containment (40) inaccessible to operators and to perform maintenance operations related to electronic circuits for onboard equipment enc... | 09/04/2007 |
| 7252203 | Mobile crane having a superlift device A mobile crane with a carrier and a superstructure which is slewably arranged thereon has a superlift device with an SL counterweight for increasing lifting capacity. The SL counterweight can be lifted from the ground in order to execute slewing movements of the sup... | 08/07/2007 |
| 7246712 | Logging carriage with towline-operated grapple A logging system including a yarder, a skyline, a towline, a carriage riding on the skyline, and a grapple depending from the carriage for grabbing logs and carrying them back to a landing. The carriage and grapple are moved along the skyline for positioning the gra... | 07/24/2007 |
| 7213716 | Crane The within invention concerns a crane with a superstructure that rotates on a vertical axle, a boom coupled to the superstructure in such manner as to luff on a horizontal axle, luffing equipment for luffing the boom, and an operating ballast that counteracts the mo... | 05/08/2007 |
| 6871427 | Construction machine and self-attaching and-detaching method thereof The construction machine according to the present invention comprises a lower running body, an upper turning body mounted free to turn on the lower running body, and a connecting bracket arranged between the rear end of a turning frame of the upper turning body and ... | 03/29/2005 |
| 6860395 | System and adding hydraulic fluid to the balancing line of a jib of a level luffing crane A fluid supply line 13 connects the hydraulic fluid supply pump 11 to the hydraulic balancing pipe 9, and this line 13 is fitted with a solenoid valve 15. Position detectors 17, 18 are installed on the auxiliary arm 4 | 03/01/2005 |
| 6821081 | Loader with extending bucket and counter balance A small loader machine of the skid-steered type having a counterweight to balance heavy loads in the loader bucket. The bucket is automatically extended forward as the counterweight is extended in the opposite direction so as to keep the machine always in reasonable... | 11/23/2004 |
| 6644562 | Dynamic counterweight mechanism for one-sided sprayers A dynamic counterweight mechanism for one-sided sprayers is vertically fastened to a chassis of a conventional sprayer with a fixed frame (3) so as to move up and down in relation to the frame (3). The mechanism includes a sliding frame (20) that laterall... | 11/11/2003 |
| 6568547 | Crane, especially a self-propelled crane A crane, especially a self-propelled crane, with a base structure and a revolving superstructure mounted thereon, a boom and a mast being hinged to the superstructure. The tip of the mast is connected on one side via adjustable-length guying to the head o... | 05/27/2003 |
| 6561546 | Pothole protection mechanism A pothole protection mechanism for a lift machine includes a frame that is securable to the lift machine, a pothole protection bar movably coupled with the frame via a support linkage, and an actuator coupled between the frame and the pothole protection b... | 05/13/2003 |
| 6516961 | Ringlift crane A ringlift crane having a ring which can be elevated, forms an annular track and has a plurality of segments which can be connected to one another, there being arranged within said ring an undercarriage which has an upper carriage, which is connected for ... | 02/11/2003 |
| 6508372 | Method for using a revolver crane, and a revolver crane A method for using a revolver crane, comprising the positioning of a ballast on a platform ring in accordance with the repositioning of a load which is supported by a boom, is repositioned in relation to the platform ring as well, so as to cause a balance... | 01/21/2003 |
| 6499611 | Mobile harbor crane for normal and heavy load operation The invention relates to a mobile harbor crane for normal and heavy load operation, having an undercarriage and a superstructure mounted thereon. A tower is fastened on the superstructure and a jib which pivotable about a horizontal axis is arranged on a ... | 12/31/2002 |
| 6494330 | Variable length crane jib with automatic balancing The rear extremity of the auxiliary arm 7, integral with each side of a throat pulley 10', 10" is joined to the front extremity of the main arm 3 around the spindle 6. The arms 13', 13" of the counterweight 14 are each integral with a throat pulley 28', 2... | 12/17/2002 |
| 6341665 | Retractable counterweight for straight-boom aerial work platform An aerial work platform apparatus includes a shiftable counterweight which shifts in response to movement of the boom in order to maintain optimum balance of the apparatus during movement of the boom and platform. The counterweight shifts towards and away... | 01/29/2002 |
| 6283315 | Crane, preferably a derrick crane The present invention is directed to a crane, preferably a derrick crane, having a traveling chassis (1), a revolving superstructure (2) mounted thereon in rotating fashion and connected with a ballast car (6) by a shaft (3) and on which a boom and a derr... | 09/04/2001 |
| 6109463 | Lifting device with counterweight A lifting device which includes a frame and an elongated boom having a lower end pivotally connected to the frame along a pivot axis. The lower end of the boom has a counterweight connected thereto offset from the pivot axis. The counterweight has a cente... | 08/29/2000 |
| 6102220 | Crane jib A crane jib includes a main boom arranged on a support base for rotation about a vertical pivot axis, and an auxiliary boom extending the main boom at one end and movable with respect to the main boom by means of a first adjustment element. In order to re... | 08/15/2000 |
| 6065620 | Movable sheave assembly for a crane A convertible crane with a movable sheave assembly which is operable in two distinct positions. In the first position, the sheave is adjacent the body of a crane to enable it to operate in relatively restricted space without interference from obstacles ad... | 05/23/2000 |
| 5899347 | Lifting device with counterweight A lifting device which includes a frame and an elongated boom having a lower end pivotally connected to the frame along a pivot axis. The lower end of the boom has a counterweight connected thereto offset from the pivot axis. The counterweight has a cente... | 05/04/1999 |
| 5890737 | Pothole protection mechanism for a lifting device A mechanism for preventing tipping of a lifting device having a main frame supported by a plurality of ground engaging support elements and a lifting element raisable and lowerable with respect to the main frame, the mechanism comprising a subframe mounte... | 04/06/1999 |
| 5884785 | Lifting device with counterweight A lifting device which includes a frame and an elongated boom having a lower end pivotally connected to the frame along a pivot axis. The lower end of the boom has a counterweight connected thereto offset from the pivot axis. The counterweight has a cente... | 03/23/1999 |
| 5799806 | Lifting device with counterweight A lifting device which includes a frame and an elongated boom having a lower end pivotally connected to the frame along a pivot axis. The lower end of the boom has a counterweight connected thereto offset from the pivot axis. The counterweight has a cente... | 09/01/1998 |
| 5685563 | Counterbalance system for short wheelbase vehicles A counterbalance system for a vehicle having an axis of forward movement, a frame, and front and rear wheels spaced by a wheelbase dimension. A counterweight elides axially along a rail mounted to the frame, A power link mounted to the counterweight and c... | 11/11/1997 |
| 5669517 | Articulating boom incorporating a linkage counterweight A linkage mounted counterweight for offsetting a load at the free end of an articulated boom crane (20). The articulated boom crane (20) includes an articulated boom (23) that includes an elevate linkage (25) and a telescoping section (24) is disclosed. T... | 09/23/1997 |
| 5586667 | Mobile crane with main and auxiliary counterweight assemblies A mobile crane has main and auxiliary counterweight assemblies and is arranged such that the spar or mast on which the auxiliary counterweight assembly is mounted is of a two-piece construction such that, upon the imposition of a load on the main boom of ... | 12/24/1996 |
| 5518128 | Crane, particularly railway crane A crane, particularly a railway crane, with a superstructure which is arranged on an undercarriage so as to be swivelable around a vertical axis, a jib and at least one counterweight which is movable as a function of the swiveling movement of the superstr... | 05/21/1996 |
| 5395200 | Gantry crane apparatus for an array of racks storing cassettes containing rod-shaped material A gantry crane for storing (or removing) long cassettes containing rod-shaped material on (or from) racks for supporting such cassettes at both rack ends travels on rails raised above the bottom of an array of such racks, but only part way up to the tops ... | 03/07/1995 |
| 5348172 | Industrial carrying machine A mobile crane has a triangular wheel arrangement with a steerable front wheel and a frame for carrying an operator and a boom which is adjustable both as to vertical angle and azimuth. Shock absorbing stabilizing arm assemblies extend from either side of... | 09/20/1994 |
| 5332110 | Tractor mounted hydraulic pipelayer with side boom A tractor having a pair of endless, segmented, high drive tracks includes a side boom and a side-mounted counterweight. Boom angle is controlled by a boom winch with a load winch provided for lifting a load. Both winches are hydraulically driven and provi... | 07/26/1994 |
| 5253771 | Counter-balanced, multiple cable construction crane The invention is a counter-balanced, multiple cable construction crane. The apparatus for hoisting payloads comprises a crane having a lifting segment and a counter-balanced segment. The lifting segment comprises an end effector and three cables. One end ... | 10/19/1993 |
| 5222613 | Pivotally-mounted reeved counterweight system A pivotally-mounted reeved counterweight system for a counterbalance-type crane which includes a wheeled counterweight carriage supporting a counterweight. A yoke provides the coupling means pivotally connecting the carriage and the rearward end of the pl... | 06/29/1993 |
| 5203837 | Balanced lifting crane A crane has a generally horizontally disposed main boom arm centrally pivotally mounted on a turret supported for rotation atop a central column. The main boom arm supports a load at one end and a counterweight at its other end. The main boom arm load sup... | 04/20/1993 |
