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Class Information
Number: 49/139
Name: Movable or removable closures > Optionally moved, manually, or by motor
Description: Device provided with powered means (other than a mere spring) to move the closure and with a manipulatable mechanical means to move the closure or means to disconnect the motor drive to closure, the means or motor being used interchangeably and at the choice of the user.










Sub-classes under this class:

Class Number Class Name Patents
49/140 With manually actuated operator 44


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
6690131 Power window switch circuit Feb. 10, 2004
6676190 Headliner mounted power liftgate drive mechanism Jan. 13, 2004
6655089 Device for electrically driving a cable-actuated window regulator Dec. 2, 2003
6651386 Emergency gate opening apparatus Nov. 25, 2003
6637803 Motor vehicle door drive mechanism, with corresponding door, carriage and vehicle Oct. 28, 2003
6619591 Method and arrangement for adjusting a door-side safety device of an airplane door Sep. 16, 2003
6575864 Drive mechanism for selectively opening and closing a closure panel manually or automatically Jun. 10, 2003
6557301 Locking device and door-drive device comprising the same, for a door operated by a motor assembly May. 6, 2003
6553717 Retrofit power door assembly Apr. 29, 2003
6539670 Manual release mechanism for a power operated sliding door Apr. 1, 2003
6478357 Automatic door operating device Nov. 12, 2002
6430871 Controlled door operator Aug. 13, 2002
6391258 Pressure vessel having electromechanical latching mechanism May. 21, 2002
6381903 Auxiliary operating device for normally motor-driven closure May. 7, 2002
6347485 Power assist for moving a door between a closed and an ajar position Feb. 19, 2002
6343436 Sliding sash drive assembly Feb. 5, 2002
6334276 Actuator for operating an access door and access door comprising same Jan. 1, 2002
6321488 Power sliding vehicle door Nov. 27, 2001
6269928 Automatic bottom-hinged intake door Aug. 7, 2001
6226925 System for temporarily holding an automatically driven open-close structure May. 8, 2001
6202350 Power liftgate device Mar. 20, 2001
6199322 Method and apparatus for automatically driving an open/close body Mar. 13, 2001
6100619 Drive apparatus, in particular for a sliding door of a motor vehicle Aug. 8, 2000
6055776 Power liftgate arm assist assembly May. 2, 2000
6032329 Device for manual release of a gate from a respective powered actuator Mar. 7, 2000
6025685 Gate operator method and apparatus with self-adjustment at operating limits Feb. 15, 2000
6021691 Manual override for power windows Feb. 8, 2000
6006473 Tape drive window regulator with universal housing for accommodating both manual and electric drive mechanisms Dec. 28, 1999
6006475 Spring loaded swinging door system Dec. 28, 1999
6002217 Door operating system Dec. 14, 1999
5946858 Collapsible window lift module with diagonal structural link Sep. 7, 1999
5936842 Housing for electric-drive units Aug. 10, 1999
5918418 Overhead door operator Jul. 6, 1999
5899021 Awning window May. 4, 1999
5881497 Automatic door opener adaptable for manual doors Mar. 16, 1999
5878530 Remotely controllable automatic door operator permitting active and passive door operation Mar. 9, 1999
5867939 Automatic gate opening device Feb. 9, 1999
5855027 Automatic bathroom door and toilet flushing system Jan. 5, 1999
5839230 Window propelling system Nov. 24, 1998
5813171 Integrated power window operator Sep. 29, 1998
5801502 Manual to power controller for vehicle door moveable between open and closed positions Sep. 1, 1998
5794381 Selectively engageable motor drive assembly Aug. 18, 1998
5784831 Window propelling system Jul. 28, 1998
5771636 Secure swing gate system that provides free access when power is off Jun. 30, 1998
5758453 Apparatus for closing sliding doors on vehicle Jun. 2, 1998
5729101 Gate operator and method using automatic limit adjustment Mar. 17, 1998
5723960 Method of and apparatus for opening/closing control of motor-driven opening/closing member of vehicle Mar. 3, 1998
5712546 Control system for door positioning assembly Jan. 27, 1998
5708340 Power drive control device of an automatic door Jan. 13, 1998
5613321 Releasable drive mechanism Mar. 25, 1997

1 2 3 4










 
 
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