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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 74/89.37 - Limit stop


Subclass of Class 74 - Machine element or mechanism
Definition: Subject matter including means to stop motion of the output
No. of patents: 134
Last issue date: 03/06/2012


1        
NumberTitleIssue Date
8127633Linear actuator
By a linear actuator of the type comprising a driven spindle with a spindle nut, the outer positions and possibly also the intermediate positions of the spindle nut can be determined by a specially designed switch construction. This switch comprises an elongated con...
03/06/2012
8109164Linear actuator
A linear actuator includes a housing formed of a first half shell and a second half shell and defining an accommodation chamber, a front opening in front of the accommodation chamber and a receiving chamber at the bottom side of the accommodation chamber, a driving ...
02/07/2012
8109165Compliant non-jamming end of travel stop for a ball screw actuator
A linear actuator includes a first structure having an axis. A second structure is configured to translate relative to the first structure in response to rotation of the first structure. First and second stops are respectively operatively connected to the first and ...
02/07/2012
8082813Actuator for displacement of a holder against a homing-position
A lead screw actuator for displacing holder with a collimator lens in an optical scanning device has a home-position for accurately determining the position of the collimator lens. An anti-seize construction is provided to avoid the holder to get stuck against the h...
12/27/2011
8033193Device for interrupting selectively a rotary translational movement
A device for interrupting selectively a rotary translational movement, includes a threaded elongated element and an element having a female thread mating with the tread of the elongated element, one of said elements performing a translatory movements as far as at le...
10/11/2011
7886625Actuator with self-locking assist device
An actuator with self-locking assist device comprises an actuator and a self-locking assist device, wherein the self-locking assist device is disposed at one end of the actuator, and the friction force between the self-locking assist device and the actuator is used ...
02/15/2011
7866225Spindle drive, in particular for adjusting a movable part in a motor vehicle, and a method for manufacturing this spindle drive
A spindle drive (10), in particular for adjusting a movable part (58) in a motor vehicle, includes a drive assembly (42), which drives a drive wheel (18) supported on a spindle (16). The drive wheel (18) is rotatably support...
01/11/2011
7861611Stop device
A stop device comprises a rotatable shaft, a travelling nut mounted upon the shaft in such a manner that rotation of the shaft causes the nut to translate along the shaft, and a stop member mounted upon the shaft and operable to limit the length of the shaft along w...
01/04/2011
7434486Lead screw bearing
A bearing assembly includes a housing having a substantially round throughbore, a first side, and a second side. A sleeve bearing is situated within the throughbore. A first spring washer is situated adjacent the first side of the housing and the sleeve bearing, and...
10/14/2008
7358632Motor which performs a rotational-to-linear motion conversion
A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide. ...
04/15/2008
7347115Linear actuator
A rotary shaft and a rotation driven member are connected as to transmit motive power when the rotary shaft rotates relatively to the rotation driven member. A roller gets displaced to a first position where a frictional force with an outer race and the rotation dri...
03/25/2008
7284458Adjusting element device
A device to be used with an adjusting element comprising a rod piston (3) displaceable with the aid of a motor (4) in a piston tube (2). The motor (4) is rotatably arranged at the adjusting element (1) through a worm gear (6...
10/23/2007
7274122Motor which performs a rotational-to-linear motion conversion
A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide. ...
09/25/2007
7268449Linear actuator having mechanism for stopping linear movement of output shaft without touching rotor
A stopper member is included in a linear actuator comprising a stator assembly, a rotor assembly, an output shaft, and a stopper pin which is fixedly disposed at a frontward portion of the output shaft, and which is adapted to axially control the mode and amount of ...
09/11/2007
7262377Limit switch control device for an actuator
A limit switch control device for an actuator is disposed at both ends of a linearly moveable mover and comprises at least: two limit switches, a circuit board, and a connecting rod assembly. The two limit switches are disposed on the circuit board, both ends of the...
08/28/2007
7234757Electromechanical strut
An electromechanical strut using an inline motor coupled to an inline planetary gear that are both mounted in the lower housing. The motor-gear assembly drives a worm gear and nut screw in the upper housing, extending or retracting an extensible shaft. Additionally,...
06/26/2007
7225694Telescopic actuator
A telescopic actuator has a lead screw and one or more concentric or tiered screws. Each screw has one or more tangential interference stop features such as stop cogs. As the lead screw is rotated, it translates out of the concentric screws. As the lead screw reache...
06/05/2007
7211971Linear actuator
A linear actuator having a housing, a plunger slidably mounted to the housing between an extended and retracted position, and an electric motor drivingly connected to the plunger to move the plunger between its extended and retracted positions. A motor circuit contr...
05/01/2007
7205690Motor for rotational-to-linear conversion with shaft seal
A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide. ...
04/17/2007
7185556Tie rod jam nut
A tie rod jam nut includes a tubular body having an axial bore for receiving a tie rod. A locking portion at a first end of the body can engage the tie rod and a threaded portion of a connecting component attached to the tie rod to lock the connecting component to t...
03/06/2007
7159482Electric actuator
An electric actuator comprises a gear mechanism which transmits the rotary driving force of a rotary driving source, and a ball spline mechanism which includes a ball spline shaft provided movably back and forth from a connecting block to the outside and which conve...
01/09/2007
7152830Switch machine improvements
A control mechanism for moving switch points on a railroad track, having a drive screw driven by a motor, a traveling block moving along the drive screw to position the switch points, an end stop on the drive screw for limiting movement of the traveling block, a han...
12/26/2006
7100465Actuator
An actuator includes an inner tube, an outer tube disposed over the inner tube in a manner such that the tubes reciprocate with respect to one another. A removably operably disposed ball screw having a ball nut thereon extends through the tubes, the ball screw havin...
09/05/2006
7077672Electrical connector having a piston-contact element
An electrical connector, such as a bushing insert, includes a housing with an inner bore, opposite ends. One end has an opening providing access to the inner bore. A piston-contact element is movable between first and second axially spaced positions within the inner...
07/18/2006
7073827Electromechanical latching system
An electromechanical latching system for locking a cabinet door and the like is disclosed. The latching system includes a motor drive that may include a gearbox. The motor drive selectively rotates a screw. In one embodiment, the screw engages a threaded opening of ...
07/11/2006
7073406Screw and nut transmission and cable attached to the screw
A cable or another longilinear transmission component is set into the center of an axial cavity of a screw belonging to a screw and nut movement conversion unit. By means of this arrangement, bending moments exerted on the screw between the point of attachment of th...
07/11/2006
7040056Gear shaft assembly
A gear shaft assembly for actuating linear movement of an object, including a lower channel assembly, which includes: (a) a threaded rod; (b) a first gear adjacent an end of the threaded rod; (c) a second gear engageable with the first gear and attached to the end o...
05/09/2006
7028569Piston, in particular for sampling valve
The invention concerns a piston wherein the mobile screw (2) is engaged in the bolt (8) integral with the mobile assembly (1). It is provided with a cylindrical axial housing (10) wherein is engaged the rod (7) integral at its fron...
04/18/2006
7004860Belt type infinite variable-speed drive
A belt type infinite variable-speed drive using a ball-screw mechanism is compact and noise-free. A nut of the ball-screw mechanism is fixed to a casing and a threaded shaft is rotatably coupled to a movable pulley member through a ball bearing so that ball circulat...
02/28/2006
7004043Elevated support pole with automatic electrical connection and disconnection
A support pole for raising and lowering a supported object between a lower position and an elevated position is disclosed. The support pole includes an elongate pole and a carriage mounted for translational movement up and down the pole. Carriage locks at the top of...
02/28/2006
6974107Thrust reverser system actuator having an integral torque limiter
A thrust reverser system actuator assembly is provided that includes a torque limiter to limit the number of torque that may be applied to the actuator assembly. The actuator assembly includes an actuator and a torque limiter assembly. The actuator is adapted to rec...
12/13/2005
6899171Actuating device
An actuator system for shifting a control device that is pressure-loaded in the direction opposite the shift direction. The actuator system comprises an actuator element capable of being axially moved in the shift direction within a system enclosure by a rotating sp...
05/31/2005
6879065Linear actuator
An improved linear actuator incorporates a DC motor whose stator is secured to a frame is provided for. To improve operational longevity and reliability of a linear actuator, the improved actuator includes a retention clutch and an axial load limiter. An axially con...
04/12/2005
6807877Electric actuator
A nut member 5 for moving forward and rearward by rotating a feed screw 4 by a stepping motor 28 and a transfer table 7 for transferring a workpiece W are elastically connected by a spring means 24 in transferring of the workpiece ...
10/26/2004
6808056Stop apparatus and method for gear actuators
A stop apparatus for a gear actuator includes a traveling stop nut that has adjustable positions and travels on a screw on an input shaft. The stop nut is mounted to threadably travel on the stop screw. A stop guide is attached to the stop screw and prevents rotatio...
10/26/2004
6761080Multiple stage, multiple extend, speed reducing ball screw linear actuator and method of constructing and operating the actuator
A multiple extend ball screw and nut linear actuator incorporates a revolvable axially restrained ball screw with a ball nut thereon. A constant speed reversible drive revolves the screw to move the ball nut forwardly and rearwardly. External helical threads of the ...
07/13/2004
6581486Integrated circuit tester having a fail-safe mechanism for moving IC-chips
An integrated circuit tester includes a fail-safe mechanism for moving an integrated circuit chip between an initial position where the integrated circuit chip is inserted into the tester, and a test position where the integrated circuit chips is actually...
06/24/2003
6568454Overhead door locking operator
A system for raising and lowering a sectional overhead door between an open position and a closed position including, a counterbalance system adapted to be connected to the door, an operator motor assembly mounted proximate to the sectional overhead door ...
05/27/2003
6546825Actuator
There is described an actuator comprising an outer tube and an inner tube. In the actuator there is provided a spindle co-operating with a bushing for creating the displacement of the actuator by means of a motor. In order to establish an end stop in a se...
04/15/2003
6513398Electromotive adjustment assembly
An electromotive adjustment assembly, includes at least two spindles disposed in parallel spaced-apart relationship, and a motor unit coupled in driving relationship with the spindles for operating the spindles....
02/04/2003
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