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Class Information
Number: 184
Name: Lubrication >
Description: This class is not intended to include the lubrication generally of machines of every kind; but it is intended to include those devices employed to lubricate bearing parts in a machine where such lubricating device forms no part of the machine structure.

Class Number	Class Name	No. of Patents
184/1.5	Automobile crank and gear case service	500
184/5.1	Bearing packer	52
184/12	Conveyors	16
184/107	Fusible safety means for lubrication device	4
184/14	Lubricators	18
184/15.1	Belt, cable, chain or conveyor	142
184/17	Roller-applied	21
184/16	Swab-applied	20
184/15.2	With injector	49
184/15.3	With intermittent spray or drip	47
184/103.1	Constant level	57
184/103.2	Float-controlled	24
184/18	Cylinder lubricators	37
184/20	Rotary swab-applied	2
184/19	Swab-applied	8
184/106	Drip pans	284
184/21	Elevator-guide lubricators	1
184/23	Rotary brush or roller	4
184/22	Swab	2
	Force feed
184/64	Capillary attraction	24
184/61	Conveyors	6
184/62	Bucket	1
184/63	Rotary	5
	Fluid-operated
184/60	Abrasion	0
184/49	Condensation displacement	0
184/53	Auxiliary feeding receptacles	2
184/52	Choke plugs	1
184/50.1	Double passage	3
184/50.2	Atomizer	2
184/51	Single passage	1
184/55.1	Displacement by air or steam	92
184/55.2	Air line lubricators	70
184/57	Initial pressure	11
184/58	Suction	14
184/59	Vented	4
184/54	Displacement by liquid	8
	Followers
184/47	Balance piston	0
184/43	Centrifugal	10
184/39	Fluid-operated	31
184/39.1	Cyclical-type metered injector	42
184/40	Fluid return	6
184/42	Spring return	10
184/41	Spring-assisted	5
184/38.1	Hand-operated	7
184/38.2	Follower rod threaded to receptacle	1
184/38.3	Follower threaded to receptacle	1
184/38.4	Follower threaded to rod	7
184/48.1	Locking devices	2
184/48.2	Friction type	1
184/37	Mechanically operated	10
184/44	Pendulum-operated	2
184/45.1	Spring-operated	34
184/45.2	Spiral spring	4
184/46	Weight-operated	6
184/26	Pumps	31
184/36	Attachments	5
184/29	Fluid-operated	55
184/28	Hand-operated	32
184/27.1	Mechanically operated	51
184/27.2	Multiple pumps	20
184/27.4	Oscillating cylinder	1
184/27.3	Pump with sight feed	3
184/34	Oscillating distributing valve	5
184/32	Oscillating piston	14
184/30	Pendulum-operated	1
184/35	Rotary distributing valve	11
184/33	Rotary piston and valve	21
184/31	Rotary	66
184/65	Gravity feed	25
184/84	Airtight receptacle	4
184/66	Automatic cutoff	3
184/70	Centrifugal	3
184/67	Electrically operated	8
184/79	Horizontally reciprocating valve	4
	Rotatable valve
184/72	Fluid pressure-operated	0
184/71	Mechanically operated	1
184/73	Pendulum-operated	0
184/68	Thermostats	1
	Vertically reciprocating valve
184/77	Centrifugally operated	1
184/76	Fluid pressure-operated	1
184/74	Mechanically operated	2
184/75	Spring-retained	2
184/78	Pendulum-operated	0
184/69	Vibrators	0
184/80	Combined closure and valve	11
184/87	Fiber valve	2
184/86	Locking valve	0
184/83	Measuring valve	5
184/81	Multiple feed	11
184/85	Siphons	2
184/82	Vertically movable valve	5
184/98	Liquefiers	4
184/99	Solid stick	21
184/104.1	Lubricant heating and/or cooling device	95
184/104.2	For internal-combustion engine	30
184/104.3	Lubricant cooling device	85
184/105.3	Nipple or fitting	87
184/88.1	Oil cup closure	12
184/89	Depressible cap	0
184/88.2	Flexible cover	5
184/90	Hinged cover	1
184/91	Spring-controlled	0
184/92	Rotatable cover	5
184/93	Spring-controlled	0
184/94	Slidable cover	3
184/95	Spring-controlled	3
184/24	Piston-rod lubricators	29
184/25	Swab	6
184/105.1	Refilling device	121
184/105.2	Grease gun	62
184/101	Roller	15
184/96	Sight feeds	19
184/97	Attachments	2
184/100	Slide-bearing lubricators	20
184/14.1	Spring	2
184/102	Swab	40
184/2	Mine-car lubrication	3
184/109	Miscellaneous	90
184/3.1	Rail or rail vehicle wheel lubricator	43
184/3.2	On vehicle	43
184/108	Safety alarm or indicating means	128
184/5	Slide-bearing lubrication	68
184/13.1	Splash	68
184/6	Systems	87
184/6.5	Crank-type machines	195
184/6.8	Cylinder lubrication	43
184/6.7	Inverted cylinder	0
184/6.6	Radially extending cylinders	19
184/6.9	With valve lubrication	40
184/6.17	Cylinders parallel to shaft	100
184/6.13	Dry sump	33
184/7.2	For chassis lubrication	15
184/7.3	With flow regulator	6
184/7.1	For twister ring or spinning spindle	20
184/6.11	Gas turbine	160
184/6.12	Gearing	349
184/6.19	Linkage mechanisms	10
184/6.14	Machine tools	88
184/6.28	Pump or pump systems mounting means	93
184/6.16	Rotary compressor	218
184/6.15	Sewing machines	20
184/11.1	Splash	99
184/11.5	For endless band or chain feed	10
184/11.3	For transmission band	3
184/11.2	With conduit	87
184/11.4	With connecting rod clippers or scoops	8
184/6.18	Vertical shaft	165
184/6.27	With guard	12
184/6.21	With lubricant treatment means	50
184/6.23	Foam or air	78
184/6.24	Purification means	203
184/6.25	Magnetic	71
184/6.22	Temperature or viscosity	154
184/6.3	With machine starting means	83
184/6.2	With machine tilt compensating means	48
184/6.1	With means to control machine operation	62
184/7.4	With measuring or metering value system	184
184/8	Continuous tube	13
184/9	Sliding tube	1
184/10	Wipers	2
184/6.26	With mist or fog means	122
184/6.4	With safety or indicating means	247
184/4	Windmill lubrication	0