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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 |
| 8152174 | Quick chucking unit, with sealing unit, and quick chucking system The invention relates to a quick chucking unit with a chuck receptacle formed by a basic body, with at least one chucking element that can move relative to the basic body between an unlatched and latched position, with a cylinder and a piston element situated within... | 04/10/2012 |
| 8123234 | Chuck apparatus A pair of gripping sections performs opening and closing operations along a base member through displacement of a piston by means of a pressure fluid supplied to a chuck body. A pair of fingers, which constitute the gripping sections, is openable and closable in dir... | 02/28/2012 |
| 8087675 | Chuck holder incorporating independent arrayed wedge clamps for clamping such as irregularly shaped and thin wall parts with a minimum of deformation A work holder assembly for use in clamping a workpiece being machined. A chuck includes a fixed sleeve about which is mounted a rotatable collet. A plurality of individual clamps extend from circumferential spaced locations associated with the collet. The clamps eac... | 01/03/2012 |
| 8066289 | Rapid clamping system The invention relates to a rapid clamping system (50), comprising a clamping housing (12), with a piston (18) acted on from one side by springs (15) and which may be pressurised from the other side, with an actuator (60) arranged o... | 11/29/2011 |
| 7424776 | Method for machining a workpiece A method for machining a workpiece in which a machine tool comprising a first and a second chuck devices is employed to machine the workpiece, the machine tool being used in which the first and the second chuck devices comprise a chuck main body, plural chuck jaws, ... | 09/16/2008 |
| 7311312 | Chuck drawing a work against the chuck-face A chuck body is made up of axially movable plungers and jaws, in which the jaw has a master jaw body obliquely arranged with respect to an axis of the chuck body, the jaw also has a front face of the master jaw body and a rear end face of a master jaw head for restr... | 12/25/2007 |
| 7284760 | Holding device for disk-shaped objects Semiconductor technology requires the use of object holders, which are capable of holding wafers securely, also during rotation. In order to save time and expense, such holders should be suitable for integration directly into a processing facility, wherever possible... | 10/23/2007 |
| 7258348 | Machining fixture for centering and holding workpiece A centering and holding fixture includes a base, a piston disposed within a piston chamber at least partially located within the base, and a radially flexible ring connected to the piston by force transmission apparatus operable to contract and expand the radially f... | 08/21/2007 |
| 7258378 | Structure of improved pneumatic gripper assemblies The invention relates to a pneumatic gripper assembly structure which comprised a supporting body (11, 111) composed of at least two wall elements or symmetrical half-shells (15, 115), realized and finished individually using a forming process and then... | 08/21/2007 |
| 7201547 | Opening actuator for collet chuck A chuck actuator has a hollow housing having a chamber and having a front end and a rear end. A ring in the chamber forms with the front end thereof a front compartment and a piston in the chamber between the ring and the rear end forms an intermediate compartment w... | 04/10/2007 |
| 7160066 | Mounting arrangement and method A mounting arrangement 1 is provided in which clamping pairs comprising a clamping pad 2 and seating pads 3 are arranged about a mounting end of a component 4. Thus, the component 4 is appropriately presented to a machining device ... | 01/09/2007 |
| 7040629 | Clamping device for elongated workpieces An arrangement for clamping raw materials in a machine tool for machining elongated workpieces is provided. The arrangement comprises a supporting plate with at least one thoroughgoing opening and at least one clamping device arranged in front of one of the openings... | 05/09/2006 |
| 7036827 | Three directional opening/closing chuck Cylinder mechanisms are provided for driving three jaw members each of which includes a cylinder hole having a long circular cross section, a piston which slides in the cylinder hole and has a long circular cross section, and a piston rod extending from the piston. ... | 05/02/2006 |
| 6932357 | Gear reducing collet nut assembly A gear reducing collet nut assembly is provided for holding a tool bit. The assembly includes an outer grip sleeve that can be rotated to actuate a clamping structure with a bore for holding a tool bit. More specifically, the assembly includes a planetary gear syste... | 08/23/2005 |
| 6916026 | Powered turntable with universal, self-adjusting chuck for holding auto wheels and the like for polishing A new and improved powered rotating turntable with a universal, self-adjusting chuck for holding auto wheels and the like for polishing, which includes a pneumatically-adjusted, self-centering metal chuck for gripping and holding specialty wheel rims of motor vehicl... | 07/12/2005 |
| 6913268 | Rotation-independent actuation of a machine element The invention relates to rotating machine element that contains a mechanism actuated by a fluid pressure. The aim of the invention is to allow for a supply of actuation fluid also during the rotation. To this end, a non-rotating control element (2) is mounted... | 07/05/2005 |
| 6863491 | Catch-pin water support for process chamber A new and improved wafer support for supporting wafers in a process chamber such as an edge bead removal (EBR) chamber. The wafer support comprises multiple wafer support units each including a gripper block that engages an edge portion or bevel of the wafer. The gr... | 03/08/2005 |
| 6783310 | Self-centering element A self-centering element for clamping workpieces via deflecting pins, which act between a drive element and self-centering slides. Deflecting pins, which are provided with grooves in which carrier prisms are arranged, are introduced in pairs into recesses in a housi... | 08/31/2004 |
| 6719303 | Drill string chuck A drill rod chuck in which the closing of the jaws is effected through the use of gas springs mounted in the slidable jaw actuating jaw bowl. Further the jaws are supported by bushings against cantilever loading during drilling and the jaws are positively advanced a... | 04/13/2004 |
| 6601856 | Method and device for the dynamic lubrication of a power chuck Moving parts of the chuck are enclosed in a sealed cavity which is provided with a circulating lubrication. The power which drives its flow is derived from the force needed for opening and shutting the tongs of the chuck. In a chuck with hydraulically act... | 08/05/2003 |
| 6547258 | Opening and closing chuck A chuck body has a first surface for fixing to a support body and a second surface opposite to the first surface, and the second surface of the chuck body is provided with a pair of chuck members for chucking a workpiece and a guide rail for guiding an op... | 04/15/2003 |
| 6530578 | Gripping arrangement The present invention relates to an arrangement (1) for gripping and holding or releasing a material (M), such as material held in a lathe chuck. The arrangement includes a piston-cylinder assembly (2) and a plurality of material gripping and holding or r... | 03/11/2003 |
| 6491304 | Cylinder having guide In a cylinder having a piston 2 and a cylinder body 3 having a piston chamber 4 in which said piston 2 is slidably accommodated, a guide shaft 9 extending toward the piston chamber 4 is provided on a head-side end wall 8 of the cylinder body 3, and the pi... | 12/10/2002 |
| 6478310 | Combination pneumatic chuck with position detecting mechanism A stroke first air cylinder mechanism having a larger-diameter first piston and a larger-diameter first rod is incorporated in a casing, a chuck second air cylinder mechanism having a smaller-diameter second piston and a smaller-diameter second piston and... | 11/12/2002 |
| 6467775 | Clamping device for objects, for example for workpieces to be treated A clamping device for objects, has a housing, at least two clamping jaws which is radially displaceably guided relative to a longitudinal central axis, actuating elements associated with the clamping jaws for actuating the latter, clamping pistons displac... | 10/22/2002 |
| 6460862 | Chuck with rotary vane actuator There is provided a chuck having four radial jaw grooves, two pairs of opposed jaws movably provided in the grooves, a first rotary vane actuator for actuating one pair of the opposed jaws, and a second rotary actuator for actuating the other pair of the ... | 10/08/2002 |
| 6370995 | Holder including a hydraulic piston for the detachable assembly of cutting tools A holder for the detachable assembly of cutting tools includes a clamping mechanism, which has a piston axially movable by applying oil pressure on either of two opposite sides thereof. A projection of the piston includes a cone surface with a moderate co... | 04/16/2002 |
| 6299179 | Fluid actuated chuck This invention discloses a chuck apparatus actuated by a fluid including a body, a plurality of master jaws slidably mounted in the body, a fluid driven piston mounted for axial motion relative to the body along an axis, the piston comprising a plurality ... | 10/09/2001 |
| 6270084 | Pneumatic chuck assembly A rotary chuck having a chuck body supporting a plurality of clamping jaws for movement between open and closed positions and defining a cylindrical piston chamber containing an axially movable double acting piston coupled to a jaw actuator. A plurality o... | 08/07/2001 |
| 6123341 | Chuck assembly A chuck assembly which can chuck thin and brittle workpieces that differ widely in size with high accuracy and reliability without warping them. The chuck assembly includes a tubular chuck body having three first cylinders and a plurality of second cylind... | 09/26/2000 |
| 6116617 | Multiple-jaw chuck for a large workpiece A chuck has a chuck body, an actuating element limitedly axially displaceable in the body, a first set of guide pistons axially fixed in the actuating element, angularly spaced about the axis, and each forming a guide passage extending at a small acute an... | 09/12/2000 |
| 6098866 | Diffusion bonding apparatus for pipes A diffusion bonding apparatus for pipes that are supplied downward from above comprising a lower block for holding a lower pipe and an upper block for holding and pressing an upper pipe against the lower pipe. In the apparatus, three or more hydrraulic cy... | 08/08/2000 |
| 6089577 | Two drive-system fluid pressure chuck A two-drive-system fluid pressure chuck including two sets of jaw members capable of chucking a workpiece from two directions X and Y. The chuck includes two cylinder apparatuses, a first rod, a second rod, and a cam member. The first rod being slidably d... | 07/18/2000 |
| 6079918 | Rotary power tool with hydraulically actuated chuck A rotary power tool has a remotely actuated chuck device. A hydraulic actuating system is incorporated in the power tool and is configured to move the chuck device between the gripping and release positions upon hydraulic fluid being supplied to at least ... | 06/27/2000 |
| 5970829 | Apparatus and method for machining a hollow generally cylindrical workpiece A fixture for holding a brake drum or other similarly shaped workpiece for machining. The fixture includes a body having a body cavity and a clamping assembly disposed therein. The clamping assembly includes a positioning plate having a plurality of posit... | 10/26/1999 |
| 5957466 | Machine chuck A machine chuck (10) having a base (13) to be rotated about a longitudinal axis. Jaw members (20) move relative to the base (13) and radially with respect to the axis. A scroll member (18) is mounted on the base for angular movement relative thereto, whic... | 09/28/1999 |
| 5954346 | Hydraulic chuck A hydraulic chuck for a drill string has a hydraulic actuator to operate the jaws. The actuator remains stationery while the spindle is rotated and a pair of skirts attached to the actuator cover the bearing assemblies. The jaws are supported in slots in ... | 09/21/1999 |
| 5944326 | Linear guide air chuck Pinching of the fingers of an air chuck is prevented during opening or closing in order to allow them to open or close smoothly and to miniaturize the air chuck. In a linear guide air chuck having a rod that is operated by an air cylinder mechanism; a pai... | 08/31/1999 |
| 5909882 | Pneumatic driven automatic chuck A pneumatically driven chuck for clamping and unclamping a tool holder of a machine tool, especially an electric discharge machine, said chuck including a mechanical clamp for clamping said tool holder, a first air chamber for receiving opening air for re... | 06/08/1999 |
| 5904358 | Chuck device A chuck device has a pair of grippers pivotally supported in a recess defined in an end of a body for angular movement about a predetermined angle, a joint member connected to a piston reciprocally movably disposed in a cylinder chamber defined in the bod... | 05/18/1999 |
