"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7275631 | Engaging/disengaging fail-safe door closing device for rolling fire door and door machine having same There is disclosed an engaging/disengaging fail-safe door closing device for a rolling fire door, provided between a power device and a speed reducing device of a door machine, including an electromagnet fixed inside a housing of the door machine and disposed around... | 10/02/2007 |
| 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 |
| 7063373 | Door-opening/closing apparatus The clutch includes a drive disk, a follower disk and a brake disk. When current flows, the follower disk is connected with the drive disk to transmit a power from a driving unit to a door-opening/closing mechanism. When no current flows, the follower disk is separa... | 06/20/2006 |
| 7007427 | Separating device for an overhead door A separating device for a door leaf that is moveable overhead has a coupling element movable between a coupling position, in which the coupling element couples an output element of the drive device to the structural component, and a freewheeling position, in which t... | 03/07/2006 |
| 7000353 | Release mechanism for an electrical actuator used in swing gates A transmission joint with a coupling having frontal teeth (20,21) is inserted between an output shaft of a gear motor and a worm screw. A release element is associated in a radial way to the coupling so that the coupling can be manually released in an emergen... | 02/21/2006 |
| 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 |
| 6880609 | Overhead 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 in the clos... | 04/19/2005 |
| 6813860 | Crossing gate repair kit and method A railroad crossing gate is repaired by lowering the crossing gate mechanism with a lever. The end of the lever can contain a conical opening mating with the conical pivot pin on the gate mechanism. ... | 11/09/2004 |
| 6539670 | Manual release mechanism for a power operated sliding door A manual release mechanism of a power actuated sliding door used typically for van applications, includes a bullet assembly interconnected between the ends of a pull member, or cable, of a powered pulley system. The bullet assembly engages and disengages ... | 04/01/2003 |
| 6270147 | Drive arrangement for a power liftgate including clutching mechanism A drive arrangement for articulating a liftgate of a motor vehicle between an open position and a closed position. The liftgate is mounted to a body of the motor vehicle for articulation about a pivot axis. The drive arrangement includes a mounting member... | 08/07/2001 |
| 6181094 | Power operator for motor-vehicle trunk lid A power operator for opening and closing a trunk lid of a motor vehicle has a spring engaged between the vehicle and the lid for urging the lid from a closed position into an open position, a rod having an outer end connected to the door and an inner end,... | 01/30/2001 |
| 6055885 | Door operator with detachable electric motor A door operator comprising electric actuating motor; a reduction gear; manual transmission mechanism between the electric actuating motor and the reduction gear, the electric actuating motor and the manual transmission mechanism independently actuating th... | 05/02/2000 |
| 6021691 | Manual override for power windows A window operating system for moving a vehicle window up and down that includes an electric drive motor having a gear coupled to a window movement mechanism through a magnetic clutch assembly wherein the drive gear includes a crank extending outwardly the... | 02/08/2000 |
| 6006475 | Spring loaded swinging door system An spring apparatus for use with an automatic swinging door closure system wherein the system includes a motor linked to a door via a gear train and a drive arm, the train including a plurality of gears including a first gear adjacent the motor, the motor... | 12/28/1999 |
| 6006473 | Tape drive window regulator with universal housing for accommodating both manual and electric drive mechanisms A window regulator comprises a rail defining a central channel which receives an elongate flexible plastic tape having a plurality of slots, the width of the tape being sized to fit within the central channel, a drive mechanism for moving the tape, either... | 12/28/1999 |
| 5982124 | Method and apparatus for adaptive control of a vehicle power window An adaptive vehicle power window control apparatus (20) includes an electric motor (28) for moving a member (34) between a first position and a second position. The space between the first position and the second position is divided into a plurality of tr... | 11/09/1999 |
| 5857061 | Power window switch which incorporates express up/down and window motor speed control features using a force sensitive resistor or capacitor A system for enabling a vehicle operator to control the speed or rate of raising and lowering of a powered lift window. The actuator or switch includes a pressure responsive variable impedance device comprising a variable resistance in one embodiment and ... | 01/05/1999 |
| 5851050 | Hydraulic closure system for a motor vehicle A hydraulic closure system is disclosed for use in a motor vehicle that enables automatic opening and closing, as well as manual closing, of a closure pivotably mounted to an opening frame defining a closure opening in the motor vehicle. The system includ... | 12/22/1998 |
| 5851049 | Method for operating a hydraulic closure system for a motor vehicle A method for operating a hydraulic closure system for a motor vehicle includes automatic opening and closing, as well as manual closing, of a closure pivotally mounted to an opening frame defining a closure opening in the motor vehicle. The system used in... | 12/22/1998 |
| 5839555 | Automatic clutch type chain pulling mechanism for a motor rolling door An automatic clutch type chain pulling mechanism for a motor rolling door for releasing the brake and winding up the door curtain by pulling the chain during electricity cutoff. The chain pulling mechanism is enclosed in a housing and is provided on the r... | 11/24/1998 |
| 5760554 | Select positioning power window switch The invention relates generally to a system for opening or closing windows and other apertures having a plurality of conditions ranging from fully open to fully closed. The system includes a panel which is moved over an aperture by a movement mechanism, a... | 06/02/1998 |
| 5673515 | Two-strand cable window regulator for operation of a spherically curved window The invention concerns a two-strand cable window regulator for motor vehicles having two guide rails which is specifically designed to control spherically curved windows. The invention ensures exact conformity with a predefined raising/lowering path with ... | 10/07/1997 |
| 5535551 | Electrical window operator An electrical window operator for opening and closing a window comprises at least one arm connected pivotally and detachably in a first end with a sash coupling member slidable side within a limited part of the length of the sash, said arm being pivotally... | 07/16/1996 |
| 5422552 | Automated actuator for sliding panels An automated actuator is fabricated in kit form and adapted to be assembled and disassembled for use with sliding doors, windows or other similar panels. The actuator includes a support column which is adjustable to be braced at the existing door jamb at ... | 06/06/1995 |
| 5076014 | Window raising device for motor vehicle Window raising device electrically and manually operated, of simple construction and providing for a firm retention of the window in order to obtain a burglar-proof window. A carriage fixed to the window and sliding in a guide is secured to both ends of a... | 12/31/1991 |
| 4641458 | Jail door operating and locking mechanism A jail door operating and locking mechanism is provided, comprising a sliding jail door mechanism, lockable by a vertical lock bar, and having a mechanism permitting selective manual operation of cell doors, as well as selective power operation of cell do... | 02/10/1987 |
| 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 |
| 4348835 | Automatic door opening device An auxiliary door opening device comprises an extendible motor driven rotatable output shaft that engages and rotates a pivot shaft of a conventional door closing mechanism. The pivot shaft is drivingly connected to a pair of pivotally connected arms of t... | 09/14/1982 |
| 4257192 | Window regulator and drive assembly There is disclosed herein an automotive window regulator and drive mechanism which includes a rotatable flexible drive shaft to transmit rotational forces from the regulator arm to a worm gear supported on a lower edge of the window. The worm gear engages... | 03/24/1981 |
| 4182078 | Window regulator and drive assembly There is disclosed herein an automotive window regulator and drive mechanism which includes a rotatable flexible drive shaft to transmit rotational forces from the regulator arm to a worm gear supported on a lower edge of the window. The worm gear engages... | 01/08/1980 |
| 4159599 | Gate-opening and closing assembly An improved gate-opening and closing assembly which is designed to shiftably move a gate from an opened position to a closed position, and from the closed position to the opened position in a relative planar path. This assembly comprises a lever arm conne... | 07/03/1979 |
| 4085629 | Electric window regulator for motor vehicles with means for manual emergency operation An electric window regulator for motor vehicles is provided with a handle which can be coupled to the window winding drum to effect manual operation of the window in an emergency, the handle having a portion which screws into the hub of the drum to displa... | 04/25/1978 |