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Class Information
Number: 74/
Name: Machine element or mechanism > Mechanical movements
Description: Transmissions wherein one or more gears may be moved along the axis of rotation into mesh with cooperating gears.

Sub-classes under this class:

Class Number Class Name Patents
74/96 Oscillating to oscillating 160
74/20 Oscillating to reciprocating and alternating rotary 15
74/21 Oscillating to reciprocating and intermittent rotary 11
74/88 Reciprocating or oscillating to intermittent unidirectional motion 41
74/89 Reciprocating or oscillating to or from alternating rotary 150
74/99R Reciprocating to or from oscillating 103
74/110 Reciprocating to reciprocating 362
74/70 Rotary to alternating rotary 36
74/86 Rotary to gyratory 65
74/84R Rotary to intermittent unidirectional motion 147
74/25 Rotary to or from reciprocating or oscillating 298
74/23 Rotary to reciprocating and alternating rotary 25
74/24 Rotary to reciprocating and intermittent rotary 12
74/22R Rotary to reciprocating and rotary 83
74/63 Rotary to rotary 147

Patents under this class:

Patent Number Title Of Patent Date Issued

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