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Class Information
Number: 74/25
Name: Machine element or mechanism > Mechanical movements > Rotary to or from reciprocating or oscillating
Description: Mechanical Movements for converting rotary motion to or from reciprocating or oscillating motion.










Sub-classes under this class:

Class Number Class Name Patents
74/37 Belt or chain carried member 75
74/54 Cam and lever 95
74/55 Cam and slide 153
74/53 Cam, lever, and slide 104
74/47 Crank and lever 26
74/51 Crank and multiple pitmans 34
74/49 Crank and slide 81
74/39 Crank, lazy-tong, and slide 6
74/45 Crank, lever, and slide 48
74/38 Crank, lever, toggle, and slide 11
74/42 Crank, pitman, and lever 129
74/44 Crank, pitman, and slide 152
74/40 Crank, pitman, lever, and slide 46
74/26 Head motions 17
74/36 Overcoming dead center 11
74/52 Planetary gearing and slide 95
74/29 Rack and pinion type 80
74/27 Reciprocating carriage motions 50
74/62 Trammel-pitman 4
74/61 Unbalanced weights 205


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8695448 System for moving a carriage along a guide Apr. 15, 2014
8674572 Adjusting drive for an adjustable part of a piece of furniture Mar. 18, 2014
8671787 Drive device Mar. 18, 2014
8671494 Low friction rotational or translational interface for a mechanical system Mar. 18, 2014
8657319 Selective torque application device Feb. 25, 2014
8657494 Swiveling device for a swiveling C-arm of an X-ray unit Feb. 25, 2014
8636521 Teaching apparatus Jan. 28, 2014
8601892 DCT transmission utilizing a two axis chain Dec. 10, 2013
8480633 Drug delivery pump drive using a shaped memory alloy wire Jul. 9, 2013
8479600 Bi-directional rotary actuator Jul. 9, 2013
8424400 Crank-and-rocker piston machine Apr. 23, 2013
8407901 Drive mechanism for a reciprocating tool Apr. 2, 2013
8393241 Sequential gear shifting mechanism Mar. 12, 2013
8376311 Valve adjustment assembly Feb. 19, 2013
8359702 Ball and socket joint utilizing a single ball, for driving more than one driven member Jan. 29, 2013
8348344 Adjustment mechanism for vehicle seat Jan. 8, 2013
8336409 Magnetic piston apparatus and method Dec. 25, 2012
8308151 Elevator assembly for robotic positioning of a workpiece Nov. 13, 2012
8291781 System and methods for actuating reversibly expandable structures Oct. 23, 2012
8276471 Vibration generator Oct. 2, 2012
8252395 Injection-molded body Aug. 28, 2012
8230608 Progressive force cut path drive mechanism for a reciprocating tool Jul. 31, 2012
8230264 System evaluation apparatus Jul. 24, 2012
8171812 Systems and methods for facilitating conversion between reciprocating linear motion and rotational motion May. 8, 2012
8172811 Drug delivery pump drive using a shaped memory alloy wire May. 8, 2012
8162794 Mechanism for converting rotational motion into linear motion Apr. 24, 2012
7950300 Thrust transfer device May. 31, 2011
7895909 Movement conversion device for a hand-held power tool Mar. 1, 2011
7866864 Motor and guiding structure thereof Jan. 11, 2011
7861364 Ball and socket joint utilizing a single ball, for driving more than one driven member Jan. 4, 2011
7834865 Rotary actuator Nov. 16, 2010
7828072 Impact tool Nov. 9, 2010
7802964 Link device of controllable variable length Sep. 28, 2010
7757783 Vibrational apparatus Jul. 20, 2010
7721701 Rotary scissors action machine May. 25, 2010
7669492 Rotation generating apparatus Mar. 2, 2010
7640778 Servo drive system and continuous working system of press machine Jan. 5, 2010
7637139 Servo drive system and continuous working system of press machine Dec. 29, 2009
7625188 Heart booster pump Dec. 1, 2009
RE40870 Adjusting element device Aug. 18, 2009
7540207 Device for actuating the doors of vehicles Jun. 2, 2009
7530280 Micro actuator May. 12, 2009
7523761 Device for controlling fluid flow from a tank Apr. 28, 2009
7513692 Method for multi orbital engagement of surfaces by free rolling bodies and multi orbital devices based on this method Apr. 7, 2009
7475584 Servo-drive system and continuous finishing system of press Jan. 13, 2009
7471020 Linear actuator Dec. 30, 2008
7464627 Passive entry actuator Dec. 16, 2008
7436090 Direct drive hybrid rotary motor Oct. 14, 2008
7421988 Positive-guidance apparatus for conversion of a rotary movement of a drive to a reciprocating movement of a part Sep. 9, 2008
7416658 Elliptical motion drive device for a step screen Aug. 26, 2008

1 2 3 4 5 6










 
 
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