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Class Information
Number: 74/519
Name: Machine element or mechanism > Control lever and linkage systems > Elements > Levers
Description: Elements consisting of rigid structures which turn freely on a fixed pivot and impart pressure or motion from a source of power.










Sub-classes under this class:

Class Number Class Name Patents
74/522 Adjustable 161
74/523 Hand 374
74/526 Stops 378
74/522.5 Swing posts 7
74/520 Toggle 104


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8695453 Lockout devices for use with rotary actuators Apr. 15, 2014
8651803 Variable stator vane assemblies Feb. 18, 2014
8556216 Helicopter control stick support assembly Oct. 15, 2013
8522640 Lightweight cantilever control system Sep. 3, 2013
8464606 Shift operation device Jun. 18, 2013
8448537 Rotating lever position holding apparatus May. 28, 2013
8443695 Adjustable steering column assembly with break-away lever May. 21, 2013
8418828 Unpowered pedal assist device and vehicular clutch assembly including the same Apr. 16, 2013
8197190 Lever for rotating a turbomachine variable-pitch stator vane about its pivot Jun. 12, 2012
8146456 Precision crankshaft rotating apparatus and method of crankshaft rotation Apr. 3, 2012
8117941 Parking-brake-operation indicator and method of adjusting parking brake Feb. 21, 2012
8033817 Multi-rod mechanism for linearly actuating for opening and closing a mold device Oct. 11, 2011
7895916 Operating device having retained operating lever Mar. 1, 2011
7779722 Parking brake Aug. 24, 2010
7762158 Self-locking device for a table elevating screw Jul. 27, 2010
7762522 Apparatus for the transmission of a deflection of an actuator Jul. 27, 2010
7651423 Variable speed drive device for bicycle Jan. 26, 2010
7652409 Positioner device Jan. 26, 2010
7644641 Operating lever device Jan. 12, 2010
7516937 Deformable molds and methods for their use in the manufacture of ophthalmic lenses Apr. 14, 2009
7404539 Apparatus for the transmission of a deflection of an actuator Jul. 29, 2008
7370388 Air cleaner for portable engine May. 13, 2008
7182571 Variable stator vane actuating levers Feb. 27, 2007
7153128 Press mechanism, clamp mechanism, and molding machine using this clamp mechanism Dec. 26, 2006
7107949 Device for variable activation of valves for internal combustion engines Sep. 19, 2006
6976462 Double roller cam follower Dec. 20, 2005
6955146 System for variably actuating valves in internal combustion engines Oct. 18, 2005
6915718 Selector handle in a motor vehicle Jul. 12, 2005
6904824 Shifting arrangement for a manual shift lever and method of making and using same Jun. 14, 2005
6718846 Apparatus for aligning a bearing member with an actuator Apr. 13, 2004
6578446 Bell crank assembly and kit Jun. 17, 2003
6523514 Rocker arm and method of manufacturing rocker arm body Feb. 25, 2003
6463898 Rocker lever ball socket retainer Oct. 15, 2002
6431023 Lever pivoting structure Aug. 13, 2002
6431024 Backpack-type working machine Aug. 13, 2002
6360629 Adjustable pedal apparatus Mar. 26, 2002
6349615 Lever Feb. 26, 2002
6253636 Finger lever shaped without cutting Jul. 3, 2001
6170356 Brake actuating lever for a bicycle Jan. 9, 2001
6138624 Tappet socket assembly for rocker lever assembly and method of assembling the same Oct. 31, 2000
6120119 Incubator/drying oven having handle for checking closure of door Sep. 19, 2000
6076423 Bellcrank mechanism Jun. 20, 2000
6035820 Rocker arm or finger lever formed by a chipless process Mar. 14, 2000
5959556 Joystick controller Sep. 28, 1999
5896782 Throttle control for baler engine Apr. 27, 1999
5823065 Driving crank for a windshield wiper system Oct. 20, 1998
5819694 Stamped roller-type cam followers with added height Oct. 13, 1998
5778839 Finger lever for actuating a gas exchange valve Jul. 14, 1998
5774984 Method of manufacturing a rocker arm Jul. 7, 1998
5730093 Roller rocker arm Mar. 24, 1998

1 2 3 4










 
 
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