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Patent No. 5719655

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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Class 74/570.2 - Plural, movable relative to each other (including ball(s))


Subclass of Class 74 - Machine element or mechanism
Definition: Subject matter having at least two masses that can travel
No. of patents: 36
Last issue date: 04/29/2008


NumberTitleIssue Date
7367037Disk player, and turntable incorporating self-compensating dynamic balancer, clamper incorporating self-compensating dynamic balancer and spindle motor incorporating self-compensating dynamic balancer adopted for disk player
A disk player having a self-compensating dynamic balancer which can limit internal vibrations generated by an eccentric center of gravity of a disk, and a turntable, a clamper and a spindle motor which incorporate a self-compensating dynamic balancer. The self-compe...
04/29/2008
7338429Method for direct solidification and stabilization of liquid hazardous wastes containing up to 100,000 mg/L of arsenic
The present invention relates to a method for direct treatment of liquid wastes containing up to 10% or 100,000 mg/L of arsenic by solidification/stabilization in a relatively cost effective and environmentally safe. The method also permits the simultaneous utilizat...
03/04/2008
7305905Rotatable member with an annular groove for dynamic balancing during rotation
A rotatable member is adapted for dynamic balancing by the addition of balancing weights in the form of high speed projectiles fired at the member during rotation in timed relationship with the rotation of the member so as to impact the member at specific circumaxia...
12/11/2007
7284460Balancer
A weight 4 which is held by a weight holder 3 in a balancer has a pressing face 4b′ which is pressed against a guide face 12a provided along the circumferential direction of rotation of the weight holder 3 by centri...
10/23/2007
7231822Machine and method for balancing a member during rotation
A machine for balancing a rotating member includes hard bearing balancing apparatus for determining the magnitude and circumaxial location of imbalance. A sensor responds to the position of the rotating member. A computer receives signals from the balancing apparatu...
06/19/2007
7204320Active rotational balancing system for orbital sanders
A system for active dynamic balancing of a rotating tool driven by a motor having a shaft supported by a first and second bearing on opposing sides of the motor includes an acceleration sensing assembly configured to sense radial accelerations on the shaft producing...
04/17/2007
7201546Machine tool and method for computing attachment position of balancer in machine tool
When a rotary table rotates, a main control section of a multi-tasking machine detects vibration of the rotary table on which a workpiece is mounted based on fluctuation of a position droop computed by a servo system. The main control section computes the arrangemen...
04/10/2007
7121935Blade sharpener
A blade sharpener (10) comprises sharpening strip providing carriers (12) and (14) each including an obliquely extending linear sharpening strip providing rod (16) and carrier movement non-interference guiding means in the form of a slot ...
10/17/2006
7104342Active rotational balancing system for orbital sanders
A system for active dynamic balancing of a rotating tool driven by a motor having a shaft supported by a first and second bearing on opposing sides of the motor includes an acceleration sensing assembly configured to sense radial accelerations on the shaft producing...
09/12/2006
6701802Balancing weight for a rotating shaft
A method of attaching a balance weight to a rotating shaft includes providing a balancing weight which is adapted to be attached to the rotating shaft, wherein the balancing weight comprises a plate with an inner surface and an outer surface, and the plat...
03/09/2004
6681693Image recording apparatus with drum balancing
An image recording apparatus for recording an image on a sensitive material mounted on a drum by emitting light beams to the sensitive material. The apparatus includes a cylindrical drum for supporting the sensitive material mounted peripherally thereof, ...
01/27/2004
6651527Self-balancing device
A self-balancing device for a rotating machine part, includes an unbalance compensation disk, which is made through a non-cutting process and surrounds a rotation axis of a rotating machine element. A plurality of compensating masses is freely movable in ...
11/25/2003
5280736Engine shaft balance assembly
A balancing assembly for a gas turbine hollow drive shaft is disclosed. The balance assembly includes an expandable balance weight carrier and a device for expanding the carrier inside the hollow drive shaft. In a preferred embodiment the carrier comprise...
01/25/1994
5269197Principle and structure of actively driving or centrifugal linear following dynamic flywheel effect
A device for storage and release of energy having a body rotatably connected to a center shaft and two fins pivotably connected to the body. The pins have arms which each have an inertia block on an end of the respective arm. The arms are connected to the...
12/14/1993
5243867Mechanism for feedthrough of rotary motion to a sealed chamber
A mechanism for feedthrough of rotary motion to a sealed chamber includes a shaft (220) rotatingly supported inside a hollow housing (200). The shaft (220) comprises a front portion (222), a middle portion (224), and a rear portion (226). The front portio...
09/14/1993
5230246Balancing arrangement for rotating member
A balancing arrangement for a rotating member, especially for hollow shaft made from lightweight metal, in which a counterweight of predetermined size and weight is affixed onto the external surfaces of the rotating member in predetermined position by the...
07/27/1993
5205189Engine shaft balance assembly
A balancing assembly for a gas turbine hollow drive shaft is disclosed. The balance assembly includes an expandable balance weight carrier and means for expanding the carrier inside the hollow drive shaft. In a preferred embodiment the carrier comprises a...
04/27/1993
5142936Apparatus for dynamical balancing of rotating objects and method for making same
This invention relates to an apparatus for dynamically and constantly balancing rotating objects while they are in motion. Such an apparatus can be applied to balancing wheels of automobiles or trucks or can be applied to balancing the shafts of rotating ...
09/01/1992
5092195Balancers
A balancer has a ferromagnetic weight mounted for rotation about an axis, the center of mass of the weight is offset from the axis of rotation and a series of angularly spaced coils are provided concentrically about the axis of rotation and spaced radiall...
03/03/1992
4788882Flywheel
A flywheel having a hollow rotatable structure which is driven for rotation on a predetermined axis and presents a cam surface eccentrically surrounding that axis, a guide arrangement inside the rotatable structure presenting a plurality of slideways exte...
12/06/1988
4788883Rotor for a driving device
The rotor of a driving device comprises an output shaft with transmission wheels fixed on the output shaft. The rotor is provided with a plurality of rotor bodies and a transmission device which is interlocked with the transmission wheels. Each rotor body...
12/06/1988
4787132Method of making dynamic rotational counterbalance structure
A dynamic rotational counterbalance structure includes a discoid balance body having a groove or race formed in an outer circumferential surface of the body. A plurality of movable weights such as spherical weights are positoined in the groove along with ...
11/29/1988
4749898Superprecision positioning device
A superprecision positioning device includes an output shaft rotor, a plurality of eccentric shaft rotors including an inner eccentric shaft rotor and an outer eccentric shaft rotor, and a bearing base cylinder, electrically rotating and driving mechanism...
06/07/1988
4748883Apparatus for setting the working stroke of a punching machine
A first eccenter sleeve allocated to the drive of the devices operative for the balancing of masses is drivingly connected to the eccenter shaft by means of a displaceable locking bolt. The first eccenter sleeve is provided with pins and slide rings engag...
06/07/1988
4739676Drive for a machine for the manufacture of an electrode-workpiece by means of a form grinding tool of a similar spatial shape
A transmission is provided for a machine that manufactures a workpiece, later to serve as an electrode, by means of a form grinding tool. The tool has a similar spatial shape to that of the workpiece. The drive generates between the tool and the workpiece...
04/26/1988
4711610Balancing chuck
A balancing chuck is disclosed for semiconductor wafers having a flat region which typically causes wafer imbalance on spinning equipment. The wafer's flat region is determined by a proximity sensor mounted on a centering arm overlying the wafer. The chuc...
12/08/1987
4674356Dynamic rotational counterbalance structure
A dynamic rotational counterbalance structure includes a discoid balance body having a groove or race formed in an outer circumferential surface of the body. A plurality of movable weights such as spherical weights are positioned in the groove along with ...
06/23/1987
4644201Armature for direct current motor with imbalance correction
Two or more imbalance correcting openings with the same cross-sectional configuration are provided in an armature core in parallel to a shaft in such a manner as to be equally spaced on a circumference which is concentric with the shaft, and weights are i...
02/17/1987
4503724Power transmission unit with oscillating drive and driven members
A power transmission unit with a power input lever which oscillates about a first axis. A driven member of the transmission unit oscillates about a second axis, parallel to the first axis, embodied within a rockshaft. The range of arcuate travel imparted ...
03/12/1985
4494397Portable sheet bending brake
A sheet bending brake comprising a plurality of C-shaped frame members that support a first member. The first member has a clamping surface. A second member is hinged to the first member and has a bending surface. A plurality of bars are pivoted to the fr...
01/22/1985
4474076Device for balancing rotation bodies
A device for balancing rotating bodies comprising two inertia masses, which are disposed in a cylindrical housing which can be connected to the body to be balanced such as a grinding disc, and which are mutually connected by means of a self-locking worm g...
10/02/1984
4433592Balancer for use in centrifugal rotary machine
A balancer for use in a centrifugal rotary machine comprises an annular casing having inside an annular receiving chamber and equipped to the rotary tub coaxially therewith. A low-viscous operating liquid is sealed into the annular receiving chamber so as...
02/28/1984
4387566Independently variable phase and stroke control for a double acting Stirling engine
A phase and stroke control apparatus for the pistons of a Stirling engine includes a ring on the end of each piston rod in which a pair of eccentrics is arranged in series, torque transmitting relationship. The outer eccentric is rotatably mounted in the ...
06/14/1983
4043221Mass-imbalance oscillation generator
A mass-imbalance oscillation generator comprises a trough in which a rolling element, such as a cylindrical roller or ball, is permitted to move between one side and another between two stable positions in response to centrifugal force generated by rotati...
08/23/1977
4031778Drive system
A double-eccentric variable drive system is disclosed comprising a drive shaft, two eccentrics mounted on the drive shaft to be driven thereby, and means for varying the eccentricity of both of the eccentrics simultaneously. The means in question comprise...
06/28/1977
3970260Apparatus for building a rotationally symmetrically evened bobbin package and method of operating the apparatus
Apparatus for building a rotationally symmetrically evened bobbin package with a bobbin chuck for supporting the bobbin and with a friction drive drum for driving the bobbin. The bobbin chuck is rotatable at speeds above the critical rotational speed and ...
07/20/1976
 
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