US12164A - Machine for cutting and trimming slate - Google Patents
Machine for cutting and trimming slate Download PDFInfo
- Publication number
- US12164A US12164A US12164DA US12164A US 12164 A US12164 A US 12164A US 12164D A US12164D A US 12164DA US 12164 A US12164 A US 12164A
- Authority
- US
- United States
- Prior art keywords
- slate
- wheel
- machine
- trimming
- cutting
- 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
Links
- 239000010454 slate Substances 0.000 title description 34
- 238000009966 trimming Methods 0.000 title description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000004575 stone Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 241000755266 Kathetostoma giganteum Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229920002877 acrylic styrene acrylonitrile Polymers 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
Description
unirsi) sfrnfriis PATENT orrron.
ASA KEYES, OF BRATTLEBORO, VERMONT.
MACHINE FOR CUTTING AND TRIMMING- SLATE.
Speccaton of Letters Patent No. 12,164', dated January 2, 1 855.
To all whom 25 may concern:
Be itknown that I, ASA KEYES, of Brattleboro, in the county of lVindham and State of Vermont, have invented a new and Improved Mode of Dressing Slate for Roofs and of Straightening the Edges of Stratified Stone for Flagging and Other Purposes; and I do hereby declare that the following is a full and exact description thereof, reference being had to thel accompanying drawings and the letters of reference marked thereon.
The nature of my invention consists in applying a rapid succession of stone hammer blows, each of which beats offl a minute piece of the slate while the latter is carried along for the purpose by a carriage on ways.
To effect this I construct a machine substantially as follows: A heavy cast iron wheel (A Figure I,) is made to revolve with its axis, which is mounted in suitable bearings, and propelled by a pulley (B). Into this wheel, and projecting a little beyond its periphery I insert and fasten firmly the requisite number of hammers or cutters (C Fig. I). Parallel with and very near to the above mentioned wheel I place another wheel which I call the dog (D Fig. I,) the pur- 'pose ofl which is to support the under surface of the slate opposite and near to the po-int where each blow is given. This dog wheel turns freely on its axis.
. rFhe carriage on which the slate is laid, is furnished with friction rollers which trundles it on ways (F Fig. I). The carriage may be of cast iron and it is well to make it of open work, like small window sash, for the purpose of allowing chips and dust to fall freely through it. The dog wheel is also of cast iron. It should rise a little higher than the upper surface of the carriage, to insure its Contact with the slate. This dog may be a stationary, fixed segment of iron, over which the slate shall slide when the carriage moves; but I prefer a wheel as above described which shall revolve whenever the' adhesion or friction of the slate is sufficient to turn it. rIhe hammers or cutters are made of wrought steel, or of cast iron provided the latter is chilled at the outer' end which comes in contact with the slate. As these hammers or cutters have narrow faces, and might have a strip of waste material .which would run against the cast iron wheel and impede the motion, I insert among them two or three flat pieces of iron (E Fig. I) to break off any such tongue of waste slate. These flat head pieces, it will be obvious, should not project so far `beyond the periphery of the wheel as do the hammers or cutters.
The wheel which carries the hammers or cutters is heavy, and this weight of the wheel not only furnishes the momentum of the individual blows of each hammer but supplies the purpose of a fly wheel to the machine. The hammers are held into mortises cast in the wheel, by bolts and nuts.
The carriage may .be shoved by the operator by hand, or it may be geared to be carried by the main axis.
If this latter mode is pursued it will be well to so proportion the feed to the revolutions of the main axis that each hammer will strike onto the slate about one eighth of an inch, or from one eighth to one quarter when the stone to be cut is of the thickness of roofing slate. I
The advantages of the circular dog wheel are important, for if the slate in process of trimming bears upon a level rest, the unevenness of the slate will occasion it frequently to break and waste the material. But in my invention above specified, the slate7 however uneven, is always in contact with the circular dog at the point where it receivesthe blow of the hammer or cutter and thereby the frequent breaking of the slate is avoided.
I do not claim as my invention the cutting of roofing slate by means of a revolving knife and bevel rest, after the manner of shears, as patented by J ames Carter, of Delabole, in the county of Cornwall, England, in the year eighteen hundred and forty five, whose entire discovery as recited in his specification and exhibited in his drawing I wholly' disclaim; but
What I claim as my invention and desire to secure by Letters Patent is- The combination of the cutters or hammers C on the fly wheel A with the circular dog D, in direct Contact with which each successive portion of the slate rests to receive the blows ofthe cutter whilel the slate is fedup by a carriage on the ways F, said combination operating substantially as and for the purpose above set forth and described.
. ASA KEYES.
l/Vitnesses I. D. BRADLEY,
S. R. BRADLEY.
Publications (1)
Publication Number | Publication Date |
---|---|
US12164A true US12164A (en) | 1855-01-02 |
Family
ID=2072502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12164D Expired - Lifetime US12164A (en) | Machine for cutting and trimming slate |
Country Status (1)
Country | Link |
---|---|
US (1) | US12164A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2643718A (en) * | 1949-08-03 | 1953-06-30 | Sauven Maurice Oswald | Machine for code marking labels, wrappers, cartons, or the like |
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0
- US US12164D patent/US12164A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2643718A (en) * | 1949-08-03 | 1953-06-30 | Sauven Maurice Oswald | Machine for code marking labels, wrappers, cartons, or the like |
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