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Class Information
Number: 74/29
Name: Machine element or mechanism > Mechanical movements > Rotary to or from reciprocating or oscillating > Rack and pinion type
Description: Mechanisms, in which the mechanism involved is a rack and pinion and cannot be classified in any of the subclasses under this subclass.


Sub-classes under this class:

Class Number Class Name Patents
74/33 Alternately rotated pinion 18
74/34 Clutchable gears 12
74/32 Segmental pinion 30
74/31 Shiftable pinion 20
74/30 Shifting rack 54


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7475666 Stroke control assembly Jan. 13, 2009
7464960 Vehicle occupant weight classification system Dec. 16, 2008
7255406 Method for manufacturing track for auger boring machine Aug. 14, 2007
7231841 Operating mechanism for reciprocating component Jun. 19, 2007
7222550 Adjusting device with automatic release mechanism May. 29, 2007
7137760 Methods and apparatus for manufacturing operations using opposing-force support systems Nov. 21, 2006
7032470 Yoke bearing providing improved support Apr. 25, 2006
6981483 Linear gear transfer drive assembly Jan. 3, 2006
6932331 Combination of air refresher and electronic appliance holding device Aug. 23, 2005
6920804 Staked retention for pinion ball bearing Jul. 26, 2005
6740998 Single motor, multi-axis stage May. 25, 2004
6729072 Integral latch and drive system for a powered sliding door May. 4, 2004
6722222 Inclined rack and spiral radius pinion corkscrew machine Apr. 20, 2004
6634838 NC machine tool Oct. 21, 2003
6575864 Drive mechanism for selectively opening and closing a closure panel manually or automatically Jun. 10, 2003
6523647 Elevating platform assembly Feb. 25, 2003
6439104 Small size air pump Aug. 27, 2002
6422559 Rotatable connected object Jul. 23, 2002
6210097 Burden loading robot having balancer for compensating for off-center loading of weight Apr. 3, 2001
5881601 Extendible and retractable reaching tool Mar. 16, 1999
5671637 Servo-assisted rack-and-pinion system Sep. 30, 1997
5564156 Linearly reciprocating wiper apparatus Oct. 15, 1996
5323690 Fluid actuator assembly for imparting rotational movement to a boom Jun. 28, 1994
5233389 Driving device for a document platen and copying machine incorporating a movable document platen Aug. 3, 1993
5113224 Reciprocating driving device May. 12, 1992
4998860 Conveyor apparatus Mar. 12, 1991
4986301 Sub-sea valve actuator Jan. 22, 1991
4932276 Fluid operated rotoslide Jun. 12, 1990
4899606 Apparatus for assembling parts and discharging assembled parts Feb. 13, 1990
4612768 Tide activated generator Sep. 23, 1986
4540289 Automatic stirring system for film developing Sep. 10, 1985
4495828 Stroke enlarging mechanism Jan. 29, 1985
4313622 Passive seatbelt system Feb. 2, 1982
4244233 Reciprocating indexing mechanism Jan. 13, 1981
4221135 Postage meter conversion apparatus Sep. 9, 1980
4189958 Compressor Feb. 26, 1980
4168595 Window regulator Sep. 25, 1979
4147067 Linear drives Apr. 3, 1979
4134306 Rotary actuator Jan. 16, 1979
4130024 Sliding means for precision machinery Dec. 19, 1978
4114461 Lever-operated feed device Sep. 19, 1978
4106352 Wire pointing machine Aug. 15, 1978
4090413 Cyclic motion generator May. 23, 1978
4068534 Vertical lift assembly Jan. 17, 1978
4046019 Locking device for a lift Sep. 6, 1977
4044618 Machine drive mechanism Aug. 30, 1977
4041786 Linear motion devices Aug. 16, 1977
4033471 Lift truck Jul. 5, 1977
4033192 Template following mechanism Jul. 5, 1977
4026029 Apparatus for improving the accuracy of a friction wheel distance measuring device May. 31, 1977

1 2


 
 
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