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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 |
| 7424846 | Pneumatically static balancer for machine tool A pneumatically static balancer for a machine tool counterbalances or lightens a gravitational load generated by an own weight of a vertically moving driven member. The pneumatically static balancer includes a pneumatic cylinder supporting the driven member and allo... | 09/16/2008 |
| 6789457 | Gas pressure actuator capable of stably driving and controlling its slider, and method for controlling the gas pressure actuator A controlling and computing device performs the steps of: differentiating a slider position represented by a position detection signal fed from a position sensor, and calculating the velocity of the slider, differentiating the calculated velocity so as to calculate ... | 09/14/2004 |
| 6779432 | Servo circuit for use with air pressure actuator capable of improving speed control performance An air pressure actuator has a partition wall provided on one of a slider and a guide shaft to form two cylinder chambers between the guide shaft and the slider. Intake/exhaust systems are connected with the two cylinder chambers for supplying a compressed air into ... | 08/24/2004 |
| 6761104 | Linear path slide The linear path slide (100) with a slide (10) which is arranged with a sliding guide (12) slidingly movable and resistant to torsion in a housing (11) and with a hydraulic driving gear which causes the translation movement of the slide ( | 07/13/2004 |
| 6629513 | Infinite loop engine An internal combustion engine including an engine block, a power cylinder mounted for revolving within the block and having a reciprocating, non-rotating piston which includes drive pins cooperating with and driving the power cylinder. A cam cylinder coop... | 10/07/2003 |
| 6158313 | Process for conveying thick matter containing preshredded scrap metal or similar solids Thick matter and solids are conveyed together and substantially continuously through a conveyor pipeline. The thick matter is forced by a conveyor piston driven by a piston pump from a feed container into a conveyer cylinder. A forward face of the piston ... | 12/12/2000 |
| 5988028 | Process for conveying thick matter containing preshredded scrap metal or similar solids Thick matter and solids are conveyed together and substantially continuously through a conveyor pipeline. The thick matter is forced by a conveyor piston driven by a piston pump from a feed container into a conveyer cylinder. A forward face of the piston ... | 11/23/1999 |
| 5691894 | Cylinder positioning control apparatus A cylinder positioning control apparatus designed to effect positioning of a cylinder by learning control that uses not only an overrun distance but also a cylinder speed as input data for control. The apparatus has a device for taking in a displacement x... | 11/25/1997 |
| 5662020 | Inchworm type of actuator A forward-moving inching unit and a backward-moving inching unit are built in a casing (1) which is slidable relative to a guide member (b). Each of the inching units is made up of an inching piston (60), a brake piston (61) disposed in a direction opposi... | 09/02/1997 |
| 5339775 | Cooling arrangement for a piston assembly Conventional cooling arrangements for the piston assemblies mounted within an engine block include the use of coolant that is circulated through the engine block. Generally, a plurality of cavities or water jackets are positioned in areas of high heat pro... | 08/23/1994 |
| 5222424 | Two dimensional drive system An object of the present invention is to provide a two dimensional drive system driven by fluid pressure. The drive system of the present invention comprises: a pair of X-guides; a pair of Y-guides; an X-rod whose each end is slidably attached to each Y-g... | 06/29/1993 |
| 5103775 | Internal combustion engine having non-aligned pistons mounted on rotating base An internal combustion engine is mounted on a rotating base. The engine has at least one horizontally arranged cylinder block that is radially spaced outwardly from the center of rotation of the rotating base. The cylinder block has a piston that is conne... | 04/14/1992 |
| 5090201 | Fluid pressure actuator The actuator comprises a clutch pedal lever (12) which is pivotally connected to a support (17). The pedal is integral with a cylinder (18) having a piston (20) therein which is connected to a hollow pushrod (28). The pushrod is also pivotally connected t... | 02/25/1992 |
| 4969387 | Hydraulic drive unit with single piston rod and plural cylinder bodies A plurality of piston heads (P1, P2, P3) are spaced apart along the length of a single piston rod (R). A separate traveling cylinder body (CB1, CB2, CB3) is associated with each piston head (P1, P2, P3). The traveling cylinders bodies (CB1, CB2, CB3) and ... | 11/13/1990 |
| 4443163 | Fluid motor or pump A fluid motor or pump that has a front wall, four corner conduits, two lateral conduits, a chamber, two pistons, a piston rod and a crank, in which the rotary motion of the crank is transformed to a vertical sliding motion of the chamber and a horizontal ... | 04/17/1984 |
| 4358989 | Device for reducing piston velocity in a cylinder To reduce the piston velocity in a cylinder as the piston approaches the end positions, a signal transmitter is provided for sensing the position of a part driven by means of the piston and cylinder assembly, and thus of the piston in the cylinder. The si... | 11/16/1982 |
| 4280798 | Work machine An improved work machine of the eccentric piston type which may be employed to translate force of pressurized fluid into rotary shaft motion in an external combustion type engine system, as a pump for pumping fluids in a fluid handling system, and as a fl... | 07/28/1981 |
| 4274327 | Expansible chamber device An internal combustion engine, a fluid motor or a pump includes a cylinder block enclosing an elongated cylindrical bore. A double headed piston is slidably mounted within the bore. The piston and cylinder block are rotatable relative to each other about ... | 06/23/1981 |
| 4210063 | Fluid power device A fluid actuated power device which includes a reciprocal cylinder rotatably mounted on a central, tubular shaft for back-and-forth movement along the shaft between a pair of end support members. The cylinder has first and second sets of spiral grooves on... | 07/01/1980 |
| 3974803 | Internal combustion engine with gyratory piston and cylinder movement An internal combustion engine wherein a piston element with rectilinear sides operates within a movable cylinder-piston element having rectilinear sidewalls, and wherein the combustion chamber has a polyhedral shape. Rotatable crankshafts are mounted in e... | 08/17/1976 |
| 3973469 | Floating chamber machine An orbiting, floating mechanism which reciprocates while rotating and is capable of varying, stopping, or reversing a flow of fluid therethrough at any one revolution or any combination of revolutions or any part thereof.... | 08/10/1976 |
| 3939656 | Hydrostatic transmission pump An improved hydraulic drive system for a doubleacting hydraulic cylinder which drives or rocks the walking beam of an oil well pump. A closed circuit hydrostatic drive system is used to operate the double-acting hydraulic power cylinder unit and includes ... | 02/24/1976 |
