US133135A - Improvement in bolt-machines - Google Patents
Improvement in bolt-machines Download PDFInfo
- Publication number
- US133135A US133135A US133135DA US133135A US 133135 A US133135 A US 133135A US 133135D A US133135D A US 133135DA US 133135 A US133135 A US 133135A
- Authority
- US
- United States
- Prior art keywords
- bolt
- bar
- improvement
- machines
- punch
- 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
- 238000005242 forging Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 210000003414 Extremities Anatomy 0.000 description 2
- 210000000088 Lip Anatomy 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
Definitions
- my invention relates to an improvement in machines for forging bolts used in securing railway sh-joints, of that class in which a wedge-shaped key is driven through a transverse slot in the bolt near the point for drawing the fish-plates to the bar; and it consists in providing the said bolt-forging machine with a punch for forming the keyslot in the bolt, the said punch being actuated at the proper time by a cam-wheel on the driving-shaft of the machine whileV the bolt is being headed, as more fully hereinafter set forth.
- A represents the table of the machine.
- B is the drivin g-shaft, journaled transversely across the back edge of the table in boxes c.
- O is a cam on the shaft which throws forward a bar, D, in guides E.
- the bar D carries a prolongation, b, which forms the head of the bolt.
- a spring and chain are provided to draw back the bar D when released by the cam.
- F is a cam near the left-hand end of the shaft B which throws forward a wedge-ended bar, G, in guides H, and which bar, in turn, forces to the right a second wedge-ended bar,
- a spring and chain are also provided for retracting the bar G1, and others for the bar G.
- the extremity of the bar G is shaped to-form one-half of the bolt, and the latter is completely formed by a stationary former, G2, projecting from the adjacent end of a guide, I.
- a projecting lip, c, on the near corner of the former G2 serves as a shear, against which the requisite length of metal to form a bolt is cut from a heated rod introduced between the foriners.
- cam-wheel L The combination of the cam-wheel L, lever K, bar J, and punch e, arranged and operating with relation to the bolt-formers b G1 G2 and shaft B, all constructed as shown and described, and for the purpose specified.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Description
A. A. WILDER. Improvement in BoIt-Machines. No. 133,135. Patented 1m/.19,187.2
UNITED STATES PATENT OEEIGE..
ARETUS A. WILDER, OF DETROIT, MIOHIGAN,ASSIGNOR TO HIMSELF AND GEORGE E. STEVENS, OF CLEVELAND, OHIO.
IMPROVEMENT IN BOLT-MACHINES.
Specification forming part of Letters Patent No. 133,135, dated November 19, 1872.
To all 'whom it may concern:
Be it known that I, ARETUs A. WiLDER, of Detroit, in the county of Wayne and State of Michigan, have invented a new and useful Improvement in a Machine for Forging and Slotting Track-Bolts; and I do declare that the following is a true and accurate description thereof, reference being had to the-accompanying drawing and to the letters of reference marked thereon, and being apart of this specification, in which- Figure 1 is a perspective view of the Inachine in position to receive'the end of a heated rod of iron, from which is to be out and forged a track-bolt; Fig. 2 is a transverse section taken on the line rv in Fig. l; and Fig. 3 is a perspective view of the slotted trackbolt made by this machine, with the key inserted in the slot thereof.
Like letters refer to like parts in each figure.
The nature of my invention relates to an improvement in machines for forging bolts used in securing railway sh-joints, of that class in which a wedge-shaped key is driven through a transverse slot in the bolt near the point for drawing the fish-plates to the bar; and it consists in providing the said bolt-forging machine with a punch for forming the keyslot in the bolt, the said punch being actuated at the proper time by a cam-wheel on the driving-shaft of the machine whileV the bolt is being headed, as more fully hereinafter set forth.
In the drawing, A represents the table of the machine. B is the drivin g-shaft, journaled transversely across the back edge of the table in boxes c. O is a cam on the shaft which throws forward a bar, D, in guides E. The bar D carries a prolongation, b, which forms the head of the bolt. A spring and chain are provided to draw back the bar D when released by the cam. F is a cam near the left-hand end of the shaft B which throws forward a wedge-ended bar, G, in guides H, and which bar, in turn, forces to the right a second wedge-ended bar,
G1, reciprocating in guides Hf. A spring and chain are also provided for retracting the bar G1, and others for the bar G. The extremity of the bar G is shaped to-form one-half of the bolt, and the latter is completely formed by a stationary former, G2, projecting from the adjacent end of a guide, I. A projecting lip, c, on the near corner of the former G2 serves as a shear, against which the requisite length of metal to form a bolt is cut from a heated rod introduced between the foriners.
The foregoing parts are well known, so that their operation need not be described, and I disclaim any invention therein.
In the guide I reciproeates a bar, J, terminating in a dat punch, c, which plays through a transverse slot in the stationary former G2. Directly opposite the end of this punch there is formed in the movable former G1 a transverse angular slot, e', Fig. 2, through which the metal punched out of the bolt passes and is discharged. The outer end of the punchbar Jk is pivoted by al link, f, to. one end of a lever, K, pivoted at or near its middle to the table A. The rear end of this leveris slotted or bifurcated to embrace the periphery of a cam-wheel, L, on the driving-shaft. This cam is so timed that just before the finished bolt is discharged from the formers the punch will be forced forward and punch out a transverse slot in the bolt for the reception of a wedge` or key, as seen in Fig. 3.
What I claim as my invention, and desire to secure by Letters Patent, is-
The combination of the cam-wheel L, lever K, bar J, and punch e, arranged and operating with relation to the bolt-formers b G1 G2 and shaft B, all constructed as shown and described, and for the purpose specified.
ARETUS A. VVILDER.
Witnesses:
H. F. EBERTS, l H. S. SPRAGUE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US133135A true US133135A (en) | 1872-11-19 |
Family
ID=2202551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US133135D Expired - Lifetime US133135A (en) | Improvement in bolt-machines |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US133135A (en) |
-
0
- US US133135D patent/US133135A/en not_active Expired - Lifetime
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