US228067A - Max hasse - Google Patents
Max hasse Download PDFInfo
- Publication number
- US228067A US228067A US228067DA US228067A US 228067 A US228067 A US 228067A US 228067D A US228067D A US 228067DA US 228067 A US228067 A US 228067A
- Authority
- US
- United States
- Prior art keywords
- hammer
- rollers
- stem
- lever
- max
- 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
- 239000002023 wood Substances 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
- 230000003247 decreasing Effects 0.000 description 2
- 230000000881 depressing Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/36—Drives for hammers; Transmission means therefor for drop hammers
- B21J7/42—Drives for hammers; Transmission means therefor for drop hammers operated by rotary drive, e.g. electric motors
Definitions
- This invention relates to that description of hammers or stam ps in which the hammer-block has a vertical stem passing up between two nipping-rollers, to which rotary7 motion is iinparted, whereby they effect the raising ot' the stem, and consequently of the liammerblock, until, by means of a governing-lever, the one roller is moved slightly away from the stein, and thus allows the ham mer-block to fallagain.
- the said stem instead of being made of equal thickness throughout its length, as here fore, is only made of equal thickness up,t a certain distance above the hammer-head, at which point it suddenly increases in thickness by' a shoulder ou either side, and thence gradually increases in thickness toward the upper end.
- the action of the hammer will be under as perfect control of the operator as a steam-hammer, as the hammer-block will only rise so long as the governor-lever is moved in order to cause the nipping-rollers to follow up the decreasing thickness of the tapering stem as it passes up between them, while its descent will be equally governed by bringing the nipping-rollers into such position as to more or less check the downward motion at any point.
- the beforementioned sudden decrease of thickness of the stein at a certain point near the lower end prevents the hammer-block from being lifted too high, as when such point passes between the rollers these will cease to nip the stem, and the hammer-block will consequently cease to rise.
- the two nipping rollers each have their axes mounted Ieccentrically in cylindrical bear-v ing-blocks carried by the framing, to one of which blocks is attached an arm, connected by a rod to the governing or steering lever below, while both blocks are geared together by toothed segments, so that as the steering-lever is moved so as to raise the arm of the one eccentric bearing both bearings will be turned so as to move the nipping-rollers away from the stem, while by the contrary motion they will both be made to approach and nip it.
- the steering-lever or the rod connecting it to the eccentric bearings, is connected to an adjustable spring, the tension of which is made to balance the weight of the lever, so that this will remain in whatever position it is placed in when let go of by the operator, and thus the hammer-block will be held suspended in the corresponding position.
- both axes are provided with small fly-wheels, one of which also constitutes the pulley by which the one roller is driven through-a strap from a millshaft.
- Figure l is a side view.
- Fig.2 is a vertical section through the eccentric bearings C C of the rollers A A.
- Figs. 3 and 4 are a sectional and a side view, respectively, of the hammerstem 5 and Fig. 5 is atop or plan View, showing the relative arrangement of the rollers, 8vo., in position for griping the hammer-stein.
- rollers A A are geared together so as to revolve in opposite directions, as indicated by the arrows, and gripe between them the hammer-stem B, which tapers to a less thickness toward its lower end, as shown.
- the thickness undergoes sudden diminution, so that when the hammer is raised its full height the rollers can exert no further griping action on the stem to raise it higher.
- rollers A A carry fly-wheels, either of which may serve as a drivingpulley. These axes revolve in eccentric bearings. C C, which are geared together by toothed segments D D.
- E is the steering or governing lever, counected by a rod, F, to an arm projecting from one of the eccentric bearings.
- the weight of IOO the lever E is counteracted by a spring, G, in addition to the Weight of the rod Ii.
- rIhe eccentric bearings are so arranged that on raising the lever E the rollers A A are brought nearer together, griping the hammer'- stem B and raising the hammer; but by depressing the leverE the rollers are separated, relieving the hammenstem from their gripe, so that the hammer descends.
- the hammer-stem is made of Wood, as shown in part vertical section at Fig. 3, the wood being in three thicknesses-a stron g middle core with a facing on each side, the whole secured together by treenails. It is of advantage to have the grain ot' the Wood-faeings lying diagonally in opposite directions, as indicated by the part elevation, Fig. 4.
- a tapering stem for a drop hammer or stamp having the abrupt shoulder or diminution of thickness at x substantially as and for the purpose herein set forth.
Description
UNITED STATES PATENT GEETcE.
MAX HASSE, OF BERLIN, GERMAN EMPIRE.
DROP-HAMMER.
SPECIFICATION forming part of Letters Patent No. 228,067, dated-May 25, 1880. Application filed April 13, 1880. (Model.) Patented in England July 25. 1879.
T 0 all whom it may concern:
Beit known that I, MAX HASSE, otl Berlin, in the German Empire, engineer, haveinvented Improvements in Drop-Hammers; and l do hereby declare that the following description, taken in connection with the accompanying drawings, hereinafter referred to, forms a full and exact specification of the same, wherein I have set forth the nature and principles of my said improvement, by which my invention may be distinguished from others of a similar class.v together with such parts as I claim and desire to secure by Letters Patent-that is to say:
This invention relates to that description of hammers or stam ps in which the hammer-block has a vertical stem passing up between two nipping-rollers, to which rotary7 motion is iinparted, whereby they effect the raising ot' the stem, and consequently of the liammerblock, until, by means of a governing-lever, the one roller is moved slightly away from the stein, and thus allows the ham mer-block to fallagain. According to the present invention, the said stem, instead of being made of equal thickness throughout its length, as here fore, is only made of equal thickness up,t a certain distance above the hammer-head, at which point it suddenly increases in thickness by' a shoulder ou either side, and thence gradually increases in thickness toward the upper end. By this arrangement the action of the hammer will be under as perfect control of the operator as a steam-hammer, as the hammer-block will only rise so long as the governor-lever is moved in order to cause the nipping-rollers to follow up the decreasing thickness of the tapering stem as it passes up between them, while its descent will be equally governed by bringing the nipping-rollers into such position as to more or less check the downward motion at any point. On the other hand, the beforementioned sudden decrease of thickness of the stein at a certain point near the lower end prevents the hammer-block from being lifted too high, as whensuch point passes between the rollers these will cease to nip the stem, and the hammer-block will consequently cease to rise.
The two nipping rollers each have their axes mounted Ieccentrically in cylindrical bear-v ing-blocks carried by the framing, to one of which blocks is attached an arm, connected by a rod to the governing or steering lever below, while both blocks are geared together by toothed segments, so that as the steering-lever is moved so as to raise the arm of the one eccentric bearing both bearings will be turned so as to move the nipping-rollers away from the stem, while by the contrary motion they will both be made to approach and nip it.
The steering-lever, or the rod connecting it to the eccentric bearings, is connected to an adjustable spring, the tension of which is made to balance the weight of the lever, so that this will remain in whatever position it is placed in when let go of by the operator, and thus the hammer-block will be held suspended in the corresponding position. I
In order to insure a uniform speed of rotation ot' the nipping-rollers as much as possible, whether in or out of action, both axes are provided with small fly-wheels, one of which also constitutes the pulley by which the one roller is driven through-a strap from a millshaft.
The accompanying drawings show a hammer constructed as above described.
Figure l is a side view. Fig.2 is a vertical section through the eccentric bearings C C of the rollers A A. Figs. 3 and 4 are a sectional and a side view, respectively, of the hammerstem 5 and Fig. 5 is atop or plan View, showing the relative arrangement of the rollers, 8vo., in position for griping the hammer-stein.
The rollers A A are geared together so as to revolve in opposite directions, as indicated by the arrows, and gripe between them the hammer-stem B, which tapers to a less thickness toward its lower end, as shown. At
-a point, m, the thickness undergoes sudden diminution, so that when the hammer is raised its full height the rollers can exert no further griping action on the stem to raise it higher.
rThe axes of the rollers A A carry fly-wheels, either of which may serve as a drivingpulley. These axes revolve in eccentric bearings. C C, which are geared together by toothed segments D D.
E is the steering or governing lever, counected by a rod, F, to an arm projecting from one of the eccentric bearings. The weight of IOO the lever E is counteracted by a spring, G, in addition to the Weight of the rod Ii.
rIhe eccentric bearings are so arranged that on raising the lever E the rollers A A are brought nearer together, griping the hammer'- stem B and raising the hammer; but by depressing the leverE the rollers are separated, relieving the hammenstem from their gripe, so that the hammer descends.
The hammer-stem is made of Wood, as shown in part vertical section at Fig. 3, the wood being in three thicknesses-a stron g middle core with a facing on each side, the whole secured together by treenails. It is of advantage to have the grain ot' the Wood-faeings lying diagonally in opposite directions, as indicated by the part elevation, Fig. 4.
Having thus described the nature of my invention and the best means I know of carrying it into practical eii'eet, I claim- 1. An improved drop hammer or stamp having a tapering stem griped between rollers mounted in eccentric bearings geared tgether, substantially as herein described.
2. A tapering stem for a drop hammer or stamp having the abrupt shoulder or diminution of thickness at x, substantially as and for the purpose herein set forth.
3. In combination with a drop hammer or stamp and its griping-rollers, the eccentric bearings C C, geared together, and the governing-lever E,balz1nced by the adj ustable spring G, substantially as herein described.
In testimony whereof I have signed my name t0 this specification in the presence of two subscribing witnesses this 28th day of November, 1879.
MAX BASSE.
Witnesses GEORGE LOUBIER, BERTI-m) Roi.
Publications (1)
Publication Number | Publication Date |
---|---|
US228067A true US228067A (en) | 1880-05-25 |
Family
ID=2297449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US228067D Expired - Lifetime US228067A (en) | Max hasse |
Country Status (1)
Country | Link |
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US (1) | US228067A (en) |
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- US US228067D patent/US228067A/en not_active Expired - Lifetime
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