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 |
| 7439950 | Clutch mechanism for a raised display apparatus Systems and methods are provided for securing a pin within a raised display system. A washer surrounds the pin. A washer recess comprises a contact surface configured as to bring the washer into a tilted position relative to the pin, such that the washer is brought ... | 10/21/2008 |
| 7431136 | Hand power tool with a clutch A hand power tool has a clutch, a motor, a drive shaft located at a side of the motor, a driven shaft to be located at a side of a workpiece, a clutch which couples the drive shaft and the driven shaft and enters into engagement when pressure is exerted on the drive... | 10/07/2008 |
| 7168505 | Rotary tool It is an object of the invention to provide an effective technique for reducing wear of sliding contact areas in an engagement clutch of a rotary tool. According to the invention, a representative rotary tool may comprise a motor, a tool bit, a driving-side clutch e... | 01/30/2007 |
| 7140151 | Electro-mechanical actuator An electro-mechanical actuator for a window lift mechanism including a plurality of motors for driving an output shaft. The actuator may be incorporated into a window lift mechanism including a dual rack and pinion assembly, for driving the pinions along the racks. ... | 11/28/2006 |
| 7100482 | Electrically powered hand-held screw driver An electrically powered, hand-held screw driver (2) has a housing (4), a depth stop (6) arranged on this housing (4), a drive motor (20), an axially displaceable tool spindle (8) operatively coupled with a tool holder (11... | 09/05/2006 |
| 7093702 | Electrically opening and closing mechanism If only an operating button 14 is pushed, an electrically opening and closing mechanism 1 disengages a first clutch K1 while engaging a second clutch K2 to operate an electrically driving means 2 to automatically open or close a se... | 08/22/2006 |
| 6935479 | Drive apparatus A drive apparatus is provided to transmit force from a source of power to a driven assembly, such as a pump, in an aircraft. The drive apparatus can be operated from a disengaged condition back to an engaged condition when the aircraft is on the ground. The drive ap... | 08/30/2005 |
| 6848545 | Brake actuation assembly for a vehicle A brake actuation assembly for a vehicle is actuatable to apply and release tension to one or more elements that connect to a brake system of the vehicle. The brake actuation assembly includes an electrically powered brake actuator, a manually operable control, and ... | 02/01/2005 |
| 6837821 | Differential The differential includes a differential casing configured to be rotatably driven by a motor under a driving force. The differential includes a differential mechanism which includes a pair of first and second side-gears for distributing a torque of the differential ... | 01/04/2005 |
| 6669257 | Power switching mechanism for robotic applications A power switching mechanism for selectively connecting a robotic system having two-degrees-of-freedom power input to a robot tool having a plurality of actuators. The two-degrees-of-freedom power input comprises a translation power input and a power shaft... | 12/30/2003 |
| 6601681 | Drive mechanism for a rotating component of a printing machine A drive mechanism for a rotating component of a printing machine uses a drive motor. The drive motor is connected to the rotating component by a coupling and is supported for axial displacement between coupled and uncoupled positions.... | 08/05/2003 |
| 5988026 | Screw feed and driver for a screw driving tool A screw feed and driver assembly which may constitute a part of a screw driving tool of the type having a prime mover, a speed and torque determining gear assembly and a clutch; which can constitute an accessory for a clutch containing manual feed power s... | 11/23/1999 |
| 5848554 | Multistage spindle drive for converting rotary motion into linear motion A multistep spindle drive is provided for converting a rotary movement into a linear movement with different speeds of withdrawal and extension. The spindle drive includes at least two threaded spindles, which telescopically mesh with each other and are i... | 12/15/1998 |
| 5568849 | Clutch mechanism in power driven screwdriver A power driven screwdriver including a housing, a spindle rotatably and axially movably disposed within the housing, a motor for driving the spindle, and a clutch mechanism interposed between the motor and the spindle. The clutch mechanism includes a driv... | 10/29/1996 |
| 5538089 | Power tool clutch assembly A power tool clutch assembly is provided. A first spindle is configured to rotate in a gear case. A drive clutch element is fixed to the first spindle. A second spindle rotates independently of the first spindle. An output clutch element is fixed to the s... | 07/23/1996 |
| 5271471 | Power driven screwdriver A power driven screwdriver includes a clutch mechanism provided between a spindle for mounting a driver bit thereon and a drive member rotatably driven by a motor. The clutch mechanism includes a protrusion formed on one of the spindle and the drive membe... | 12/21/1993 |
| 5209308 | Power driven screwdriver A power driven screwdriver includes a device interposed between a spindle and a housing for preventing rotation of the spindle. The device includes a first member and a second member. The first member is disposed on the spindle and is rotatable therewith.... | 05/11/1993 |
| 5147006 | Friction clutch In the representative embodiments described in the specification, a cup-shaped clutch drive member, driven by a drive pinion, rotates about an axially displaceable output shaft. Friction disks alternately coupled to the drive member and the shaft are pres... | 09/15/1992 |
| 5123509 | Control valve for a hydraulic switch clutch Hydraulic pressure representing engine throttle position is applied to a valve spool having two control surfaces. In opposition to the force of a control spring, a pressure line, which opens to the valve chamber between the two control surfaces, carries r... | 06/23/1992 |
| 5090545 | Screw gun nose cone adapter An adapter device for attachment to a drive member having a clutch biased into disengagement for converting that drive member into a positive rotational drive member. The adaptor device comprising an outer casing having first and second opposed openings a... | 02/25/1992 |
| 5025903 | Dual mode rotary power tool with adjustable output torque In an electrically powered combination screwdriver/drill opposing halves of a ratchet type torque tranmsitting clutch are normally biased axially apart by a compression spring. The output half of the clutch is fixed on the output spindle of the tool which... | 06/25/1991 |
| 5005682 | Air powered torque control tool driver with automatic torque disconnect A torque control tool driver having a torque responsive clutch which holds a rotatable ring gear of a motor driven reduction gear train stationary to effect rotation of a tool driving spindle and which is operable in the presence of pre-determined torque ... | 04/09/1991 |
| 4607734 | Power transmitting device in a copying machine A power transmitting device especially suitable for use in photocopying machines includes a driving shaft and a driven shaft. When locking members on the respective shafts are axially disengaged from each other, the driven shaft and the driving shaft are ... | 08/26/1986 |
| 4598804 | Motor drive system A motor drive system comprising an electric motor having a first drive shaft moveable axially in response to commencement or cessation of operation of the motor and an oil shear clutch operably associated with said motor and having a second drive shaft ex... | 07/08/1986 |
| 4546833 | Adjustable torque responsive control The disclosure relates to a torque responsive control system for a powered fastener driving tool having a reciprocable control rod for controlling the supply of power to the motor thereof. The torque responsive system features a plurality of ball pins tha... | 10/15/1985 |
| 4421217 | Propulsion system for a vehicle A clutch is arranged to drivingly connect and disconnect the crankshaft members of two internal combustion engines. One engine which is preferably the smaller of the two engines is operated to propel a vehicle by delivering torque through a transmission t... | 12/20/1983 |
| 4368784 | Power screwdriver A power screwdriver has a drive motor and a tool holder arranged in a housing, a driving coupling including a driving coupling part driven by the motor and a driven coupling part, and a locking coupling arranged between the driving coupling and the tool h... | 01/18/1983 |
| 4253557 | Variable load clutch apparatus Apparatus for limiting excessive torque imposed by a driving member on a driven member under impact torque conditions. The apparatus includes clutch means arranged to be loosely set for permitting slippage to reduce the torque upon the instant of impact a... | 03/03/1981 |
| 4161242 | Power-driven drill and screwdriver A power-driven drill and screwdriver includes a housing and a drive motor mounted in the housing. A case is attached to the housing and has a spindle bearing mounted therein. A first clutch is rotatably mounted in the case axially of the bearing and is op... | 07/17/1979 |
| 4159050 | Combination power tool A combination power tool has a housing defining a bore with an annular bearing member mounted in the bore. A first clutch is rotatably mounted in the housing and a second clutch is rotatably mounted in the annular bearing member and movable relative to sa... | 06/26/1979 |
| 3986409 | Push-to-engage device A push-to-engage device comprising a hollow knob having axially disposed therein an independent bushing provided with a fastener for bindingly engaging an inserted end portion of a rotatable shaft and with a plurality of recesses disposed for engagement w... | 10/19/1976 |
| 3960253 | Positive engagement clutch A heavy duty dog clutch has co-axial driving and driven shaft elements each with a toothed connection to an intermediate sleeve that is axially displaceable to make and release one of said connections. The toothing of the releasable connection is helicall... | 06/01/1976 |