US710131A - Lawn-mower. - Google Patents
Lawn-mower. Download PDFInfo
- Publication number
- US710131A US710131A US8832202A US1902088322A US710131A US 710131 A US710131 A US 710131A US 8832202 A US8832202 A US 8832202A US 1902088322 A US1902088322 A US 1902088322A US 710131 A US710131 A US 710131A
- Authority
- US
- United States
- Prior art keywords
- shaft
- key
- reel
- pinion
- lawn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
- A01D34/56—Driving mechanisms for the cutters
- A01D34/57—Driving mechanisms for the cutters actuated by advance of the machine
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
- A01D34/46—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders hand-guided by a walking operator
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D2101/00—Lawn-mowers
Definitions
- My invention relates to certain improvements in lawn-mowers of that class in which a series of rotary knives act against a stationary cutter-bar, and has for its principal object to provide means for facilitating the sharpening of the knives without removing the same from the machine and without the removal or interchanging of any of the parts thereof, as more fully described hereinafter.
- Figure 1 is a perspective view of an ordinary form of lawn-mower Yin reverse position, illustrating the means employed for effecting the proper movement of the cutting-knives during the sharpening operation.
- Fi-g. 2 is au end view 0f one of the supporting and driving wheels of the machine, a portion of 'the Wheel being broken away to illustrate the end of the reelshaft and its actuating-pinion.
- V Fig. 3 is a transverse sectional elevation illustrating a portion of the reel-shaft and drive-Wheel, together With the reel-shaft pinion andthe clutching mechanism for connecting the same to the shaft.
- Fig. 4 is an elevation of the reelshaft pinion and its clutching mechanism.
- the lawn-mower illustrated is of an ordinary type, comprising a frame having the usual heads 1, forming supporting-bearings for the reel-shaft 2, the ends of which project through the heads and are provided with loose pinions 3 for engagement in internal racks 4:, forming partof the drive-wheels 5.
- the pinions 3 are mounted loosely on the reel-shaft and are held from longitudinal displacement by keys'.
- Theinner faces of the pinions are provided with flanges 7, adapted to be connected to a clutch member 8, which is held to the shaft by a suitable key or lug 9.
- the clutch member has ratchet-teeth 10, which may be locked by a dog 11 to the pinion in one direction of movement; but in the oppo- Serial No. 88,322. (No model.)
- niachines may be manufactured in accordance with the invention without in any Way adding to the expense of construction, as will be readily understood.
- a lawn-mower having as elements, acutter-bar, a reel-shaft having a key-seat, a driving-wheel having an opening in alinement with said key-seat, a pinion having a keyseat and normally mounted. loosely on the reel-shaft, a clutching mechanism for connecting the pinion to the reel-shaft in one direction of movement, and a key adapted to fit in the key-seat of the shaft and pinion to lock the two together when it is desired to sharpen the cutter-bar.
Description
Patented Sept. 30, |902.
No. 7|o,|3|.
F. L. ADAMS.
LAWNA MUWER.
(Application led J'an. 3, 1902.)
(No Model.)
UNITE STATES A ATENT FFICE.
FRED L. ADAMS, OF PROPHETSTOWN, ILLINOIS.
LAWN-MOWER.
SPECIFICATION forming part of Letters Patent No. 710,131, dated September 30, 1902.
Application tiled January 3,1902.
To at?, w/tom, it may concern:
Beit known that I, FRED L. ADAMS, a citizen of the United States, residing at Prophetstown, in the county of Whiteside and State of Illinois, have invented a new and useful Lawn-Mower, of which the following is a specification.
My invention relates to certain improvements in lawn-mowers of that class in which a series of rotary knives act against a stationary cutter-bar, and has for its principal object to provide means for facilitating the sharpening of the knives without removing the same from the machine and without the removal or interchanging of any of the parts thereof, as more fully described hereinafter.
In the accompanying drawings, Figure 1 is a perspective view of an ordinary form of lawn-mower Yin reverse position, illustrating the means employed for effecting the proper movement of the cutting-knives during the sharpening operation. Fi-g. 2 is au end view 0f one of the supporting and driving wheels of the machine, a portion of 'the Wheel being broken away to illustrate the end of the reelshaft and its actuating-pinion.V Fig. 3 is a transverse sectional elevation illustrating a portion of the reel-shaft and drive-Wheel, together With the reel-shaft pinion andthe clutching mechanism for connecting the same to the shaft. Fig. 4 is an elevation of the reelshaft pinion and its clutching mechanism.
Similainumerals of reference are employed to indicate corresponding parts throughout the several figures of the drawingsk The lawn-mower illustrated is of an ordinary type, comprising a frame having the usual heads 1, forming supporting-bearings for the reel-shaft 2, the ends of which project through the heads and are provided with loose pinions 3 for engagement in internal racks 4:, forming partof the drive-wheels 5. The pinions 3 are mounted loosely on the reel-shaft and are held from longitudinal displacement by keys'. Theinner faces of the pinions are provided with flanges 7, adapted to be connected to a clutch member 8, which is held to the shaft by a suitable key or lug 9. Asis usual in devices of this class, the clutch member has ratchet-teeth 10, which may be locked by a dog 11 to the pinion in one direction of movement; but in the oppo- Serial No. 88,322. (No model.)
site direction of movement the pinion will revolve freely on the shaft Without revolving the reel. Underordinarycircumstances when the machine is pushed ahead the pinions at each end of the reel-shaft Will be locked thereto by the clutching members and will rotate the shaft and force the grass against the cutterbar l2. When the machine is drawn backward or when it is reversed, as in Fig. 1, the clutch will not engage the pinions, and the latter will rotate freely without causing any movement of the reel. One method of sharpening which has been practicedin machines of this class is to remove the drive-,Wheels and place theclutches and pinions end for end, and as the clutches and pinions are made right and left handed the interchanging Will effect the positive rotation of the reel-shaft when the machine is reversed and pushed forward. Emery and oil are then placed on the cutter-bar, and the knives are sharpened by vthe movement past eachv other in a direction the reverse of thatin which they move when cutting. After the cutter-bar is sharpened it is then necessary to replace all of the parts in the original positions before the machine can be again operated. This operation 'entails considerable Work and is objectionable on account of the Vgrease and dirt with which the gearing is filled.
In carrying out my invention I cut a keyseat 15 in the reel-shaft and a similar key-seat 16 in the pinion, so that when it becomes necessary to sharpen the cutter all that is required is the insertion of a key 17 into the two key-seats, the pinion and shaft being thus positively locked together in both directions of movement, and when the machine is reversed and pushed forward the blades on the reel will revolve in reverse direction against the cutter-bar and sharpen the same, emery and oil or other suitable material being rst placed on the bar. To replace the machine in its original condition, the4 key is `removed and the pinion again passes under the control of the clutching mechanism.
To facilitate the insertion of the key, I form in one of the'driving-Wheels a suitable opening 18, the wheel being turned until the opening is in alinement With the key-seat and the key being readily inserted or removed by any suitable implement.
IOO
l To apply the invention to machines already in use, it is merely necessary to cnt the two key-seats and bore the opening 18; but niachines may be manufactured in accordance with the invention without in any Way adding to the expense of construction, as will be readily understood.
Having thus described my invention, what I claim isl. A lawn-mower having as elements, acutter-bar, a reel-shaft having a key-seat, a driving-wheel having an opening in alinement with said key-seat, a pinion having a keyseat and normally mounted. loosely on the reel-shaft, a clutching mechanism for connecting the pinion to the reel-shaft in one direction of movement, and a key adapted to fit in the key-seat of the shaft and pinion to lock the two together when it is desired to sharpen the cutter-bar.
2. The combination of the reel-shaft and its loosely-mounted pinion,each having a keyseat, mechanism for clutching the pinion to the shaft on one direction of movement, a driving-Wheel having an opening which may be moved in alinement with the key-seat, and a key adapted to be inserted in said key-seat to eect the locking of the pinion to the shaft, substantially as specified.
In testimony that I claim the foregoing as my own I have hereto affixed my signature in the'presence of two Witnesses.
FRED L. ADAMS.
Witnesses:
B. E. HURD, W. D. SMITH.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8832202A US710131A (en) | 1902-01-03 | 1902-01-03 | Lawn-mower. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8832202A US710131A (en) | 1902-01-03 | 1902-01-03 | Lawn-mower. |
Publications (1)
Publication Number | Publication Date |
---|---|
US710131A true US710131A (en) | 1902-09-30 |
Family
ID=2778657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US8832202A Expired - Lifetime US710131A (en) | 1902-01-03 | 1902-01-03 | Lawn-mower. |
Country Status (1)
Country | Link |
---|---|
US (1) | US710131A (en) |
-
1902
- 1902-01-03 US US8832202A patent/US710131A/en not_active Expired - Lifetime
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