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Class Information
Number: 74/49
Name: Machine element or mechanism > Mechanical movements > Rotary to or from reciprocating or oscillating > Crank and slide
Description: Mechanisms, including a crank and slide.


Sub-classes under this class:

Class Number Class Name Patents
74/50 Slidable connections (e.g., scotch yoke) 142


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7533589 Motion converter May. 19, 2009
7475584 Servo-drive system and continuous finishing system of press Jan. 13, 2009
7363713 Reciprocating power tool Apr. 29, 2008
7251896 Hair clipper with pivot head Aug. 7, 2007
7246533 Reciprocating counterweight structure for a reciprocating saw Jul. 24, 2007
6899260 Nailing gun May. 31, 2005
6640660 Pick-up and placement apparatus Nov. 4, 2003
6598493 Multiple crank drive for working machines, in particular for diaphragm pumps Jul. 29, 2003
6398618 Motorized transmission for imparting motion to a display Jun. 4, 2002
6370781 Reciprocating tool Apr. 16, 2002
6264211 Reciprocating saw attachment for electric drill Jul. 24, 2001
6131498 Reciprocating knife cutter, a cutting apparatus including such a cutter, and a knife sharpener for a cutting apparatus Oct. 17, 2000
6000264 Driving mechanism for moving a cutter or pitch control rod in a spring forming machine Dec. 14, 1999
5865060 Interconnecting mechanism Feb. 2, 1999
5813281 Device for reducing torque variations for use in drive apparatus Sep. 29, 1998
5751587 Method for creating a conjugated profile corresponding to a conjugate surface in a motion conversion device May. 12, 1998
5661655 Method for creating a conjugated profile corresponding to a conjugate surface in a motion conversion device Aug. 26, 1997
5640881 Motion converter with pinion sector/rack interface Jun. 24, 1997
5639226 Portable, battery operated air pump Jun. 17, 1997
5611246 Variable angular velocity coupling for reciprocating devices Mar. 18, 1997
5575173 Conjugate drive mechanism Nov. 19, 1996
5546821 Motion arrester for a conjugate drive mechanism Aug. 20, 1996
5529467 Connecting rod for a multiple compressor pump Jun. 25, 1996
5513541 Conjugate drive mechanism May. 7, 1996
5503038 Free floating multiple eccentric device Apr. 2, 1996
5494135 Lubrication system for a conjugate drive mechanism Feb. 27, 1996
5456159 Motion converter with pinion sector/rack interface Oct. 10, 1995
5445039 Conjugate drive mechanism Aug. 29, 1995
5375566 Internal combustion engine with improved cycle dynamics Dec. 27, 1994
5370504 Ambulant reciprocating compressor having plural pressure collection chambers Dec. 6, 1994
5351567 Motion arrester for a conjugate drive mechanism Oct. 4, 1994
5336133 Oscillating mechanism for a crystal ball Aug. 9, 1994
5259256 Motion converter with pinion sector/rack interface Nov. 9, 1993
5212996 Crank drive with planetary pivot pin, favourably for piston power engines and machine tools May. 25, 1993
5203743 Ornamental carousel assembly Apr. 20, 1993
5110026 Apparatus for a stepwise advancing of a web-shaped workpiece May. 5, 1992
5099705 Hand-held reciprocating working tool Mar. 31, 1992
5092185 Scotch yoke mechanism and power transfer system Mar. 3, 1992
5078386 Ornamental carousel assembly Jan. 7, 1992
5078018 Rear wheel steering mechanism for motor vehicle Jan. 7, 1992
5031470 Device for converting linear reciprocating motion to rotary motion Jul. 16, 1991
4998411 External combustion engine with improved piston and crankshaft linkage Mar. 12, 1991
4987787 Transmission mechanism for music box ornament Jan. 29, 1991
4939944 Transmission mechanism for music box ornament Jul. 10, 1990
4925182 Carousel device May. 15, 1990
4872395 Crosshead per se, and in combination with a connecting rod assembly and a piston rod Oct. 10, 1989
4848213 Reciprocating piston compressor with offset cylinder Jul. 18, 1989
4789001 Operating system for a valve Dec. 6, 1988
4779472 Motion converter Oct. 25, 1988
4761988 Press apparatus for small precision part Aug. 9, 1988

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