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Class Information
Number: 74/50
Name: Machine element or mechanism > Mechanical movements > Rotary to or from reciprocating or oscillating > Crank and slide > Slidable connections (e.g., scotch yoke)
Description: Mechanisms, including a crank and slide with a slidable connection between the crank and slide.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8622042 Bearing connection, engine cylinder, and engine with the bearing connection Jan. 7, 2014
8616083 Cam wheel assembly for refrigerant recovery machine Dec. 31, 2013
8596240 Integrally cast block and gaseous fuel injected generator engine Dec. 3, 2013
8407902 Reciprocating power tool having a counterbalance device Apr. 2, 2013
8371032 Power tool with vibration reducing mechanism Feb. 12, 2013
8141257 Hand-held reciprocating power saw Mar. 27, 2012
8109737 Reciprocating device with dual chambered cylinders Feb. 7, 2012
8109809 Eccentric transmission with an imbalance Feb. 7, 2012
8087316 Flat yoke valve actuator Jan. 3, 2012
8042320 Workstation of a packaging machine having a lifting device Oct. 25, 2011
7996996 Reciprocating power tool Aug. 16, 2011
7878081 Portable, refrigerant recovery unit Feb. 1, 2011
7685896 Fluid mixing apparatus Mar. 30, 2010
7658012 Drive mechanism and power tool Feb. 9, 2010
7654802 Reciprocating drive apparatus and method Feb. 2, 2010
7540208 Reciprocal force outputting mechanism Jun. 2, 2009
7384043 Imaging apparatus with sheet transport system employing cam actuating system Jun. 10, 2008
7350302 Jigsaw Apr. 1, 2008
7263966 Dual action cylinder Sep. 4, 2007
6742266 Miniature reciprocating saw device Jun. 1, 2004
6694862 Accessible hand pump Feb. 24, 2004
6688854 Compression apparatus Feb. 10, 2004
6672263 Reciprocating and rotary internal combustion engine, compressor and pump Jan. 6, 2004
6640660 Pick-up and placement apparatus Nov. 4, 2003
6631671 Piston-type machine with conrod-free mechanism Oct. 14, 2003
6607069 Crank drive for returning work pieces Aug. 19, 2003
6539835 I-yoke mechanism Apr. 1, 2003
6511306 Zero leakage valveless positive fluid displacement device Jan. 28, 2003
6357125 Adjustable stroke mechanism for a scotch yoke assembly Mar. 19, 2002
6330835 Scotch yoke mechanism for secure track sliding Dec. 18, 2001
6227152 Internal combustion engine May. 8, 2001
6186098 Coaxial oscillating axisymmetric engine Feb. 13, 2001
6098477 Crank device for linear motion of connecting rod Aug. 8, 2000
6012345 Method for changing gears of a multiple gear manually shiftable change gear unit for commercial vehicles Jan. 11, 2000
6000264 Driving mechanism for moving a cutter or pitch control rod in a spring forming machine Dec. 14, 1999
5983845 Rotational motion mechanism and engine Nov. 16, 1999
5980355 Transmission mechanism for music box ornament Nov. 9, 1999
5938224 Hydraulic bicycle with conjugate drive motors and variable stroke crankshaft Aug. 17, 1999
5879145 Integrated cylinder liner and valve plate for a compressor Mar. 9, 1999
5846059 Scotch yoke mechanism for multistage compressor having a spring-biased liner plate Dec. 8, 1998
5751587 Method for creating a conjugated profile corresponding to a conjugate surface in a motion conversion device May. 12, 1998
5679991 Eccentric-and-oscillator engagement structure Oct. 21, 1997
5661655 Method for creating a conjugated profile corresponding to a conjugate surface in a motion conversion device Aug. 26, 1997
5655406 Rotary motion drive system Aug. 12, 1997
5655404 Mechanism for converting reciprocal movement Aug. 12, 1997
5649809 Crankshaft and piston rod connection for a double diaphragm pump Jul. 22, 1997
5647267 Slider of hermetic compressor Jul. 15, 1997
5644846 Reciprocating stroke drive mechanism for jigsaws Jul. 8, 1997
5640881 Motion converter with pinion sector/rack interface Jun. 24, 1997
5588326 Feeding device for parts to be mounted Dec. 31, 1996

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