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| Number | Title | Issue Date |
| 7347115 | Linear 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 |
| 7265901 | Telescope mount having locator system and drive mechanism for locating objects and positioning telescope A portable altitude/azimuth telescope mount having an integral locator system with a magnetic encoder mechanism for facilitating location of astronomical objects and telescope positioning for observation thereof. A microprocessor receives signals from the encoder me... | 09/04/2007 |
| 7249441 | Power drive unit for automobile windows A power unit to replace the manual crank handle of a vehicle window, including a housing for a drive unit that will connect to the splined shaft from which a crank handle has been removed, the power unit including drive means to be affixed to a vehicle door when the... | 07/31/2007 |
| 7076917 | Driving system for garage door A driving system for a garage door includes a track having an end fixed on an inside of a wall and has an open side that faces upward. A driving assembly is movably received in the track and driven by a motor. The driving assembly includes a connection member to whi... | 07/18/2006 |
| 7046438 | Telescope mount having locator system and drive mechanism for locating objects and positioning telescope A portable altitude/azimuth telescope mount having an integral locator system with a magnetic encoder mechanism for facilitating location of astronomical objects and telescope positioning for observation thereof. A microprocessor receives signals from the encoder me... | 05/16/2006 |
| 7036777 | Zero backlash positioning device A positioning device without backlash includes a table and at least one gear operatively associated with the table. At least one worm gear is connected to the gear and the gear is driven in a desired direction with a primary motor and a synchronized slave motor. The... | 05/02/2006 |
| 6915608 | Motorized operator for casement windows A motorized operator for opening and closing a window sash relative to a window frame via an arm mechanism connected to the window frame and being adapted to be installed in a cavity defined in the window frame. The operator comprises a motor, a drive axle rotated b... | 07/12/2005 |
| 6679362 | Actuator device for a clutch device A clutch-actuator device is equipped with a position-detecting device for detecting at least one of the different possible positions of engagement, disengagement and partial engagement of a clutch that serves to control the amounts of torque being transmi... | 01/20/2004 |
| 6578444 | Variable end-of-travel stop A variable end-of-travel stop mechanism, for controlling the rotation of a steering shaft in a steer-by-wire steering system having a controller, includes a first clutch assembly having a first roller clutch engaged to the steering shaft, a first rotary b... | 06/17/2003 |
| 6394255 | Rotary motion limiting arrangement A rotary motion limiting arrangement includes a stationary component, a rotating component rotatable in opposite directions relative thereto, a pair of stops movably mounted on the stationary component for establishing a first set of opposite limits to ro... | 05/28/2002 |
| 5924949 | Apparatus for driving a roller-shutter door Apparatus for driving a roller-shutter door comprises a driving plate, a planetary-gearset, a stationary housing, and adjustable control means. The adjustable control means is mounted in the stationary housing for cooperating with the driving plate as wel... | 07/20/1999 |
| 5873283 | Motorized control for a derailleur A motorized control for a derailleur for bicycles including a box accommodating a motor. The motor has a drive axle pivotally connected to a worm for actuating a transmission mechanism comprising a drive gear, a couple of driven gears engaging with the dr... | 02/23/1999 |
| 5678673 | Motor vehicle clutch assembly having a hydraulic actuator, which hydraulic actuator has a clutch position regulating system An actuator for a motor vehicle friction clutch comprises a drive system, a transmission which converts its motion into an essentially translational motion of an output element, whereby the travel of the transmission can be limited by at least one stop, a... | 10/21/1997 |
| 5647137 | Probe arm for machine tool An arm 12 for holding a tool-setting probe 14 in a machine tool is rotatable between an operative position and an inoperative position. The operative position is defined by elements 48,52 which form a stop against further rotary motion beyond the operativ... | 07/15/1997 |
| 5620078 | Stroke control device for an actuator rod of a linear actuator A device providing an accurate adjustment of the length of a reciprocating stroke of an actuating rod of a linear actuator. The stroke control device includes a cam-plate mounting shaft 9 horizontally disposed within a limit switch box so that a plurality... | 04/15/1997 |
| 5558196 | Device for detecting limits of rotational motion in a robot A device for detecting the limits of the rotational motion of a rotating member in an industrial robot is provided. The rotating member rotates in a first and a second rotational direction about an axis relative to a fixed member. The device comprises a l... | 09/24/1996 |
| 5446970 | Probe arm for machine tool An arm 12 for holding a tool-setting probe 14 in a machine tool is rotatable between an operative position and an inoperative position. The operative position is defined by elements 48,52 which form a stop against further rotary motion beyond the operativ... | 09/05/1995 |
| 5351789 | Positioning mechanism A positioning mechanism includes a housing, at least one holding member inserted into a lateral opening formed in the housing at the side wall, thereof and an electrostrictive effect element mounted on the holding member. When the electrostrictive effect ... | 10/04/1994 |
| 5299678 | Limit switch mechanism for garage door opener An adjustable limit switch mechanism for controlling the operation of an electric motor of a garage door opener over a selected range of movement including a motor driven threaded shaft supporting at least one switch actuator which is adjustably positiona... | 04/05/1994 |
| 5284064 | Quiet, single-cycle mechanism A low-noise, paper pick or other single cycle mechanism is obtained by employing a rotary solenoid (15) which has a force to a detent position which may be overcome by force from a drive roller (1). In the detent position the drive roller faces a blank se... | 02/08/1994 |
| 5246095 | Output torque sensor and control apparatus An output torque sensing and limiting mechanism, for preventing the continued application of torque to a load when the torque exceeds a selected value. The mechanism is positioned at the end of a gear train, meshed with the final gear and adapted to trans... | 09/21/1993 |
| 5241873 | Transmission that converts a rotary into a translational motion Transmission that converts a rotary into a translational motion and is preferably attached to a motorized drive assembly, with a rotary drive mechanism and a translationally channeled motion-transmitting component that is attached to the drive mechanism i... | 09/07/1993 |
| 5233883 | Mechanical actuator with scales indicating the position at which a limit control element will be operated An actuator of the type having a limit switch for setting the range through which the actuator's output element moves, has a first element fixed to the output element and a second element carrying an actuation element for tripping the limit switch. Trippi... | 08/10/1993 |
| 5230416 | Automatic stop device with sliding yoke for electric motor The device comprises at least one lead screw (2) driving a sliding yoke (23) whose guide bar (22) is mounted on a rocker arm (19). The lead screw actuates a switch (27) by means of a cam (28) via the sliding yoke. A deliberate action on the rocker arm mov... | 07/27/1993 |
| 5086900 | Power converting mechanism In the electric actuator of the present invention, the power converting mechanism is provided for converting the rotary power of the motor into linear power of the driven member, which needs no special component part. Therefore, in comparison with the pri... | 02/11/1992 |
| 5062312 | Actuator An actuator is provided with a motor having a worm, a worm wheel in engagement with said worm and having a pinion-engaging part, a pinion having a worm wheel-engaging part and a rotational axis offset from the rotational axis of the worm wheel, a sector w... | 11/05/1991 |
| 5002172 | Electrically actuated seat actuator and lock An electrically driven lockable actuator for an airline seat assembly is provided with an extendable and retractable actuator arm driven through a gear train by an electric motor. The actuator arm can be locked or unlocked through the gear train to the el... | 03/26/1991 |
| 4946425 | Electromechanical bicycle gear shift mechanism A bicycle gear shift mechanism (8) to be actuated by an electric motor (m) has a carrier for an actuator member (S) comprising a tensioning arm (29) of a derailleur or a shift plunger of a hub gear transmission. According to the invention, the carrier com... | 08/07/1990 |
| 4890713 | Pan and tilt motor for surveillance camera A pan and tilt mechanism for a surveillance camera that can pan through two full revolutions. A bell crank has one arm in the path of rotation of a pair of switches, and the bell crank can be shifted to extend the opposite arm. Each arm can be shifted by ... | 01/02/1990 |
| 4828094 | Motion range limiting apparatus for industrial robots An apparatus for limiting range of motion of an industrial robot in accordance with the invention includes an indicating section (7) for indicating e.g. angles of rotation provided on a stationary side (1) of the swivel portion of an axis about which swiv... | 05/09/1989 |
| 4805472 | Rotary torque transmission apparatus for four-wheel drive vehicles A rotary torque transmission apparatus for a 4-wheel drive vehicle in which a rotary torque of a worm wheel of 4-wheel drive vehicle provided with a reciprocably movable fork shaft, to which a shaft fork for moving a 2-4 wheel change over slider to and fr... | 02/21/1989 |
| 4775039 | Electrically-operated, curtain drawing/undrawing mechanism An electrically-operated curtain drawing/undrawing mechanism comprises a reduction gear connected on the output shaft side of a motor and a driving pulley connected to the reduction gear through an electromagnetic clutch, and further includes an operating... | 10/04/1988 |
| 4702123 | Apparatus for driving rod for rotation A rod actuator which includes a d.c. motor, a reduction gearing, a solenoid assembly which is used to define an intermediate stop position, and rotation stops. The angular extent through which an output shaft of the reduction gearing is rotatable is limit... | 10/27/1987 |
| 4670978 | Connector mounting press A connector mounting press for mounting connectors onto a circuit board. The press includes a connector receiving space and a device to releasably hold a connector therein to be picked up by a descending tool unit for mounting on an underlying circuit boa... | 06/09/1987 |
| 4645042 | Hydraulic damper A hydraulic damper of adjustable damping force type includes a piston working in a cylinder and partitioning the interior of the cylinder into two liquid chambers, a piston rod with one end being connected to the piston and the other end extending to the ... | 02/24/1987 |
| 4553656 | Power actuated operator for windows and the like A power actuator for a window includes a rotary drive member and a rotary driven member which is turned by the drive member and which is connected to the sash of a window to open and close the sash as the drive member is turned in one direction or the oth... | 11/19/1985 |
| 4538717 | Control apparatus for a step drive The invention relates to a step drive assembly which includes a rotatable operating unit for operating a tool or knife or the like. The assembly has a change-over clutch for selectively connecting the operating unit to a continuously running motor or a br... | 09/03/1985 |
| 4494203 | Method for correcting the deviation of a predetermined stop position in a loom A method positioning control is disclosed, to stop mechanisms of a loom at predetermined positions when stopping the loom operation, in which the loom is directly controlled by a microcomputer. In the method, correction is made with respect to a predeterm... | 01/15/1985 |
| 4421096 | Vent damper drive An automatic vent damper control mechanism for use on furnaces or the like having a spring loaded open position and an electric motor which drives it to a closed position, against the spring bias, via a gear train. A unique over-travel mechanism is provid... | 12/20/1983 |
| 4413449 | Motorized system for cleaning drain troughs A drain trough system is disclosed wherein the drain trough may be mechanically inverted to permit any debris therein to fall out. The system involves a series of hinged mounting brackets in horizontally spaced alignment, at least one of the mounting brac... | 11/08/1983 |
