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Class Information
Number: 49/324
Name: Movable or removable closures > With operator for movably mounted closure
Description: Device provided with a manipulatable mechanical means which is movable relative to and actuates the closure, which means is other than a mere spring which stores energy by movement of the closure.










Sub-classes under this class:

Class Number Class Name Patents
49/327 Actuated from opposite approaches 10
49/358 Closure-mounted drive 111
49/333 Coaxial of closure pivot 27
49/348 Drive within closure housing 136
49/326 Moves closure in either direction from closed position 12
49/347 One direction pull cable 22
49/339 Operating lever or link and closure swing about parallel axes 95
49/360 Operator drives closure along guide 503
49/356 Push-rod actuator 34
49/357 Remote actuating or initiating station 59
49/325 Reversibly flexible and rigid rod 38
49/354 Through wall type 15


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8677690 Fuel door opening/closing apparatus for vehicle Mar. 25, 2014
8671619 Drive apparatus for a swing-out element of a motor vehicle Mar. 18, 2014
8667736 Tandem drive for barrier Mar. 11, 2014
8607504 Stator element and sliding door provided therewith, and a method for displacing an element such as a door Dec. 17, 2013
8601744 Door actuator with an actuator unit Dec. 10, 2013
8601742 Hydraulic systems and methods thereof Dec. 10, 2013
8567125 Push-pull chain and actuator Oct. 29, 2013
8474184 Apparatus for remotely opening a door Jul. 2, 2013
8468749 Gate entry system Jun. 25, 2013
8464468 Drive unit for garage doors with universal electric connection options Jun. 18, 2013
8381442 Hand-pulling drive mechanism for an industrial door Feb. 26, 2013
8365469 Door operating system Feb. 5, 2013
8347553 Drive device for refrigerator doors Jan. 8, 2013
8341931 Lift-driving engagement chain Jan. 1, 2013
8137043 Device for opening and closing the discharge door of a bulk seed box Mar. 20, 2012
8127494 Self adjusting track chain adjustment trolley Mar. 6, 2012
8122645 Drive unit for a door or gate, particularly for a garage door, and method for operating such drive unit Feb. 28, 2012
8091283 Adjustable spindle arrangement for door operating apparatus retrofit kit Jan. 10, 2012
8033374 Drive arrangement Oct. 11, 2011
8028510 Link for a linear actuator Oct. 4, 2011
8011136 Power closure actuator Sep. 6, 2011
7958675 Gate support device Jun. 14, 2011
7928678 Door opening/closing control device Apr. 19, 2011
7903997 Coupling apparatus and image forming apparatus employing the same Mar. 8, 2011
7866728 Opening and closing member control apparatus for vehicle Jan. 11, 2011
7861461 Method for automatically opening door and device for automatically opening and closing door Jan. 4, 2011
7859203 Delay unit for door with a door closer, door closer with a delay unit, and door with a door closer having a delay unit Dec. 28, 2010
7806012 Attachment assembly and drive unit having same Oct. 5, 2010
7774984 Concentric cross mechanism for transiting torsion Aug. 17, 2010
7707774 Tactical building door opener May. 4, 2010
7603812 Powered device for vehicle sliding door Oct. 20, 2009
7581351 Speed barrier Sep. 1, 2009
7543409 Door pull and sash window having the door pull Jun. 9, 2009
7543410 Pneumatically operated system for controlling door operations Jun. 9, 2009
7533778 Manway opener system and method May. 19, 2009
7530198 Swing door opening/closing detection system May. 12, 2009
7510146 Window shade system and method of use Mar. 31, 2009
7448165 Method of closing a radio frequency door Nov. 11, 2008
7364214 Control apparatus and method for opening and closing tailgate using angular sensor Apr. 29, 2008
7325359 Projection window operator Feb. 5, 2008
7290306 Drive system for a pivotable windscreen wiper Nov. 6, 2007
7290823 Closing unit Nov. 6, 2007
7228659 Sliding door reinforced frame header with movable cover Jun. 12, 2007
7194840 Closure operator having a handle that rotates as the closure rotates Mar. 27, 2007
7146766 Door control assembly Dec. 12, 2006
7147256 Fold down window operator Dec. 12, 2006
7082722 Method and apparatus for making an elongate spindle member of chain links for transfer of pressure and tensile loads Aug. 1, 2006
7059084 Garage door opener Jun. 13, 2006
7034485 Vehicle liftgate control system Apr. 25, 2006
6941700 Awning-type insulated glazing assembly Sep. 13, 2005

1 2 3










 
 
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