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Class Information
Number: 56
Name: Harvesters >
Description: This class includes means for severing crops which grow above the surface of the ground, without disturbing the soil, and means for gathering the same from the field after they are severed. Subject matter relating to cutting crop material lying on the ground without disturbing the soil is also included.

Class Number	Class Name	No. of Patents
56/DIG.8	Air gathering	49
56/321	Anti-side-draft devices	1
56/DIG.19	Beaters and wipers	7
56/DIG.13	Bermuda grass cutters	1
56/DIG.20	Blades, reels and guards	92
56/DIG.12	Brush	22
56/473.5	Carriers	16
56/DIG.6	Clutches and gearing	45
56/365	Combined rakes and tedders	33
56/368	Draft dumping rake	1
56/367	Revolving rake	39
56/366	Side-delivery rake	40
56/369	Transverse tedder crank shaft	1
56/432	Compressing and binding	23
56/458	Band-tucker type	1
56/459	Straw band	0
56/462	Band formers	0
56/460	Band forming	0
56/461	Rotating bundle	0
56/464	Cord band and clip	0
56/465	Flat metal clip	1
56/433	Cord knotter type	2
56/434	Adjustable position	4
56/435	Knotting	2
56/447	Auxiliary manual trip	0
56/449	Ejectors and discharge gates	4
56/445	Knotting	1
56/448	Needle cleaners and guards	1
56/446	Packers	3
56/443	Packing	3
56/444	Knotting	1
56/436	Pressure tripped	0
56/442	Knotting	0
56/440	Packing	1
56/441	Knotting	0
56/437	Upstanding compressor control	1
56/438	Packing	0
56/439	Knotting	0
56/450	Tension and take-up devices	1
56/463	Prepared band	0
56/451	Wire twister type	1
56/452	Single wire	0
56/453	Curved binder arm	0
56/455	Forked end	0
56/454	Laterally mounted	0
56/456	Twister on binder arm	0
56/457	Twisters	0
56/DIG.15	Condition responsive	230
56/2	Convertible	67
56/5	Cutter and detachable catcher	2
56/3	Cutter and detachable conveyer	1
	Rake
56/4	Vertical axis	0
56/51	Cornstalk type	27
56/53	Cutters	16
56/54	Broom corn	1
56/55	Reel gatherer	0
56/102	Cutting members	18
56/101	Fixed cutter	1
56/67	Self-binders	0
56/68	Upright binder	0
56/69	Endless-chain gatherer	1
56/70	Binder position adjustable	2
56/56	Toppers with catchers	4
56/59	Endless-chain gatherer	3
56/57	Reel gatherer	1
56/58	Horizontal axis	1
56/60	With choppers	40
56/61	With catchers	2
56/71	With dischargers	6
56/72	Crane type	1
56/73	With gatherers	1
56/75	Endless chain	4
56/74	Reel	0
56/76	Endless apron	0
56/78	Endless-chain gatherer	2
56/77	Reel gatherer	0
56/93	Endless-chain gatherer	6
56/79	Horizontally moving and tilting	1
56/80	With gatherers	3
56/82	Endless chain	4
56/81	Reel	1
56/92	Reel gatherer	1
56/90	Retracting support	1
56/91	Reel gatherer	0
56/83	Tilting	2
56/84	With gatherers	5
56/88	Endless chain	3
56/89	Fixed	1
56/86	Reel	0
56/87	Horizontal axis	0
56/85	Spiral	2
56/94	With gatherers	35
56/98	Endless chains	85
56/99	Fixed	3
56/100	Fixed cutter	0
56/96	Reel	1
56/97	Horizontal axis	2
56/95	Spiral	12
56/64	With pickers or huskers	15
56/66	Endless-chain gatherer	11
56/65	Reel gatherer	0
56/62	With strippers	13
56/63	With toppers	26
56/119	Gatherers or guides	151
56/103	Pickers or huskers	8
56/113	Fixed snapper	6
56/114	Comb	1
56/115	With knife	0
56/116	Moving comb	0
56/117	Moving knife	3
56/118	On endless chain	2
56/104	Roller	19
56/107	Auxiliary ear detacher	1
56/108	With endless-chain gatherers only	1
56/109	Movable gatherer	4
56/111	Endless chain only	11
56/112	Adjustable roller frame	1
56/110	Spiral	7
56/105	Plurality of rows	8
56/106	With endless-chain gatherers only	25
56/121	Sheaf carriers	0
56/120	Sheaf loaders	0
56/52	Stalk breakers	6
56/28	Cotton	123
56/29	Flail or whip	1
56/36	Pickers	11
56/49	Endless belt	4
56/37	Individually directed	2
56/38	Endless belt	1
56/39	Manually operated	0
56/40	Rotary or oscillating	13
56/48	Drum	2
56/41	Spindle	51
56/42	Belt carried	0
56/43	Cam-track guide	2
56/44	Rotary carrier	14
56/47	Cam-track guide	1
56/45	Flexible spindle	1
56/46	Reciprocating	0
56/50	Spindles	23
56/30	Pneumatic	45
56/31	Individually directed	2
56/32	Nozzles	7
56/33	Strippers	13
56/34	Comb	9
56/35	Moving	2
56/DIG.1	Crusher	133
56/DIG.17	Cutter details	85
56/121.4	Cutters with plant or crop contacting gauge (e.g., beet toppers)	10
56/121.46	Gauge and cutter relatively adjustable responsive to height and/or size of plant	6
56/121.41	Laterally self-aligning gauging and cutting means	4
56/121.43	Plural cuts at successive heights and/or slitting	8
56/121.44	With cut top disposal	6
56/121.45	Movable disposing members	1
56/121.42	With preliminary foliage arranging	6
56/194	Cutting and catching	16
56/202	Catchers	302
56/203	Discharging	24
56/206	Rearwardly dropping member	6
56/204	Revolving	3
56/205	Upwardly swinging rear gate	14
56/201	Manually propelled	1
56/198	Rotating cutting reel	5
56/199	Catchers	22
56/200	Discharging	6
56/195	Side cutter	1
56/197	Front	0
56/196	Rear	0
56/153	Cutting and conveying	12
56/191	Binder's platforms	0
56/154	Endless cutter	5
56/155	Oscillating cutter	2
56/158	Reciprocating-cutter type	14
56/181	Endless carrier	21
56/186	Central cutter, co-axial wheels	0
56/187	Tilting platform	0
56/188	Pivoted tongue	0
56/182	Deflected course	3
56/185	Elevated delivery	1
56/183	Intermittent	0
56/184	With discharging catcher	1
56/159	Folding platform	0
56/163	Hand-raking mechanism	0
56/180	Rake heads and arms	1
56/164	Self-raking mechanism	0
56/166	Dumping catcher	0
56/165	Gaveling tongs	1
56/178	Horizontal circuit	0
56/179	Belt carried	1
56/173	Reciprocating	0
56/174	Belt actuated	0
56/175	Reciprocating belt	0
56/167	Rotating	2
56/168	Reciprocating head	0
56/169	Vertical axis	1
56/170	Switch	0
56/171	Automatic control	0
56/172	Auxiliary manual control	0
56/176	Vertical circuit	0
56/177	Belt carried	0
56/160	With binder's platform	0
56/162	Belt-carried endless path	1
56/161	Self-raking mechanism	0
56/157	Rotary cutting disk	20
56/156	Rotary cutting reel	10
56/189	Swathing attachments	4
56/190	Windshields	8
56/193	Cutting and raking	6
56/192	Cutting and windrowing	143
56/131	Cutting, conveying and binding	5
56/141	Endwise delivery	0
56/142	Knotting	0
56/134	Folding platform	2
56/135	High outside binder	0
56/137	Binder position adjustable	0
56/138	Knotting	0
56/136	Folding binder frame	4
56/139	Knotting	0
56/152	Knotting	0
56/143	Low down	0
56/144	Curved path	0
56/145	Knotting	1
56/146	Inside delivery	2
56/147	Knotting	0
56/151	Knotting	1
56/148	Outside delivery	1
56/150	Knotting	0
56/149	Through bull wheel	0
56/133	Straw-band type	0
56/140	Upright binder	1
56/132	Wire-twister type	1
56/122	Cutting, conveying and threshing	8
56/123	Reciprocating cutter	4
56/124	Central swath, co-axial wheels	4
56/125	Longitudinally hinged cutter frame	1
56/229	Cutting	17
56/289	Cutter members	13
56/290	Endless	5
56/291	Horizontal orbit	19
56/292	With tension adjustment	4
56/293	Oscillating	7
56/296	Reciprocating	49
56/304	Antifriction devices	6
56/297	Double sickle	20
56/307	Guard fingers and bars	26
56/310	Fingers only	15
56/311	With ledger plate	5
56/308	Modified finger	8
56/309	With ledger plate	3
56/312	Supplemental lifting fingers	10
56/313	Socket for guard-finger point	6
56/305	Guiding clips	10
56/306	Shock absorbers	8
56/303	Shoes and knife heads	8
56/298	Sickles and guard fingers and bars	46
56/299	Sickles	9
56/300	Detachable sections	11
56/302	Auxiliary locking bar	1
56/301	Detachable from end of bar	2
56/295	Rotating cutting disk	439
56/294	Rotating cutting reel	84
56/244	Endless cutter	12
56/245	Side cut	0
56/239	Hand-operated cutter	28
56/240	Oscillating	1
56/241	Single pair of shears	6
56/242	Reciprocating	7
56/243	Hand crank	0
56/233	Hedge or plant-row trimmers	30
56/234	Plurality of cutters	16
56/236	All reciprocating	9
56/235	All rotary disk	43
56/237	Single cutter for top or side	18
56/320.1	Housing or guard	213
56/320.2	With discharge opening	220
56/246	Oscillating cutter	12
56/248	Side cut	0
56/247	Vertical cut	0
56/230	Railroad	3
56/232	Reciprocating cutter	0
56/231	Rotating cutting reel	0
56/257	Reciprocating central cutter	23
56/258	Co-axial wheels	0
56/262	Cam drive	0
56/263	With lever	2
56/259	Double sickle	6
56/260	Pitman drive	3
56/261	With lever	0
56/264	Reciprocating side cutter	4
56/288	Alignments	0
56/271	Front cut	1
56/272	Co-axial wheels	0
56/274	Automatic clutch shipper	0
56/287	Cutter-bar mountings only	1
56/275	Double sickle	2
56/276	Lifting and rocking cutter bar	1
56/282	Cutter-bar mountings only	1
56/281	Gag lever	0
56/277	With foot lever	0
56/280	Cutter-bar mountings only	0
56/278	Gag lever	0
56/279	Cutter-bar mountings only	0
56/283	Lifting cutter bar	0
56/284	Cutter-bar mountings only	0
56/286	Gag lever	0
56/285	With foot lever	2
56/273	Power-operated lift	0
56/267	Horizontally folding	1
56/268	Rear cut	1
56/269	Co-axial wheels	0
56/270	Cam or lever drive	0
56/266	Reversible	0
56/265	Through-wheel drive	1
56/249	Rotating cutting-reel type	137
56/251	Auxiliary cutter	10
56/253	Co-axial wheels central cut	3
56/254	Internal gear single pinion	0
56/252	Cutter in front of wheel tread	2
56/249.5	Interchangeable cutting assembly	14
56/250	Sharpening	14
56/255	Rotating-cutting-disk type	280
56/256	Vertical cut	65
56/238	Successive cuts at different heights	8
56/314	Track clearers and dividers	38
56/317	Driven	0
56/319	Foldable	5
56/320	Supplemental clearer	3
56/315	Supplemental vertical cutter	2
56/316	Reciprocating	2
56/318	With shoe-point socket	0
56/DIG.23	Dehydrating	8
56/DIG.9	Detachable implement	131
56/DIG.4	Friction drive	17
56/328.1	Fruit gatherer	277
56/331	Berry clippers	11
56/330	Berry strippers	195
56/329	Catchers	64
56/332	Pole supported	31
56/339	Fixed detaching member	13
56/340	Chute	6
56/333	Pivoted jaw	12
56/334	Chute	7
56/335	Pivoted knife	6
56/336	Chute	10
56/337	Sliding jaw	4
56/338	Sliding knife	7
56/340.1	Tree shaker	99
56/6	Gang	265
56/7	Rotating cutting reel	108
56/466	Grain adjusters	2
56/473	Longitudinally moving straightening finger	0
56/467	On deck	0
56/471	Feeders	0
56/468	Head or butt evener	0
56/470	Endless apron	0
56/469	Oscillating	0
56/472	Retarding arms	0
56/324	Grain cradles	0
56/324.5	Connections	0
56/322	Grain wheels and casters	6
56/DIG.3	Ground effect	25
56/400.01	Hand rakes	42
56/400.19	Adjustable, folding or take down	45
56/400.2	Biased pivoted head or tines	15
56/400.17	Broom type	65
56/400.18	Adjustable or expansible	22
56/400.04	Combined, convertible and attachments	68
56/400.08	With cleaner	12
56/400.1	With actuating linkage	8
56/400.09	With ground support	1
56/400.05	With cutter, scraper or spreader	18
56/400.07	Acting simultaneously with rake	17
56/400.06	Directed oppositely to rake	23
56/400.14	With ground support	21
56/400.15	Skid or runner type	10
56/400.11	With guard or material receiver	29
56/400.12	Grappling type	49
56/400.13	With ground support	4
56/400.02	Rotary or endless	14
56/400.03	Impaling type	5
56/400.21	Tines or teeth	59
56/400.16	With plural sets of tines	38
56/DIG.18	Handles	73
56/DIG.24	Harvester guards	45
56/DIG.14	Hitch	71
56/375	Horse rakes	21
56/395	Clearers	1
56/399	Fenders	0
56/400	Rake teeth and fastenings	65
56/378	Rear delivery	7
56/379	Revolving	6
56/383	Rake-tooth-engaging stop	0
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