US164710A - Improvement in machines for bending circular file-blanks - Google Patents
Improvement in machines for bending circular file-blanks Download PDFInfo
- Publication number
- US164710A US164710A US164710DA US164710A US 164710 A US164710 A US 164710A US 164710D A US164710D A US 164710DA US 164710 A US164710 A US 164710A
- Authority
- US
- United States
- Prior art keywords
- machines
- roll
- blanks
- improvement
- lever
- 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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- 238000005452 bending Methods 0.000 title description 8
- 238000010276 construction Methods 0.000 description 2
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/022—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment over a stationary forming member only
Description
L; BEYER el n. HEuNscH'. Machine for Bending Circular File-Blanks...
N0154710, I Paten'redlunezznsvs.
Uivrrnn STATES PATENT OFFICE.
LOUIS BEYER AND RUDOLPH HEUNSOH, OF WASHINGTON, D. O.
IMPROVEMENT IN MACHINES FOR BI-:NDING CIRCULARFILE-BLANKS.
'Specification forming part of Letters Patent No. 164,710, dated June 522, 1875; application filed A May 15, 1875.
To all whom it may concern:
Be it known that we, LOUIS BEYER and RUDOLPH HinUNscH, of the city of Washington, in the District of Columbia, have invented certain new and useful Improvements in Oircular-File-Bending Machines; and we do hereby declare that the following is a full,
elear,-aud exact description thereof, which will enable others skilled in the art to which it pertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specication.
The nature of our invention consists in the construction and arrangement of a machine for bending circular files, as will be hereinafter more fully set forth. f
In the annexed drawing, Figure l is a longitudinal vertical section of our machine. Fig. 2 is a pla-n view of the same. Fig. 3 is a perspective view of the tile-blank, and Fig. et is a side view of the ile after it is bent.
A represents thebedplate of our machine, to be secured on any suitable bench or support. On this bed-plate are secured two parallel side pieces, B B, connected at their ends by means of cross-bars O O. In the upper ends ot' the side pieces B. B are placed the journals a a of a stationary roll, D, having a smooth circular surface. On each side of this roll, on the journals a a, is placed a loose arm, E, and the outer ends'of these arms a-re connected by means of a lever, G, the arms, as it were, forming a forked extension of the lever. Between the arms .E E is placed a roll, H,the journals b b of which pass through the arms, and on one of said journals is secured a cog-wheel, I, which gears with a stationary cog-wheel, J, on one 'ot' the journals a.. The roll H is for one-halt' of its circumference formed with an inclined or conical enlargement, e, and on the sides thereof are semicircular ilanges l d. This enlargement and flanges extend, as stated, only one-half of the circumference, as the roll H will make only one-halt' revolution over Jthe upper part of the roll D. The bottom of the roll D is grooved for, the passage of a slide, K, which is formed with a clamp or die at j', and its end connected by links h h with a lever, L, pivoted in a mortise in the .bed-plate, and extending through the bench or support, and with a footpiece on its lower end. P, Fig. 3, represents the tile-blank rolled in proper shape and cut oft' the desired length.
This blank is to be heated to a cherry-red, and when the lever Gr is thrown over on top of the upper end of the lever L, the end of the blank is inserted between the rolls D and H in the die f. The operator then by his foot works the lever L, soas to move the slide K and clamp the end of the blank in the die f. The lever Gis then thrown to the opposite side, thecogwheel I working in the cog-wheel J revolving the roll H, so as to bend the blank around the roll D in semicircular shape. As soon as the pressure is removed from the footpiece of the lever L, the completed le can be removed.
` These tiles are used in a certain class ot' saw-tiling machines patented by us, but may, of course, be used for any purpose to which they may be adapted.
Having thus fully described our invention, what we claim as new, and desire to secure by Letters Patent, is-
l. The combination of the stationary roll D and the roll H, formed with the conical enlargement e and flanges d d, and having a twofold 1notion--viz., one around its own axis, and the other around the roll D--substantiall y as and for the purposes herein set forth.
2. The combination of the stationary roll D and stationary cog-wheel J with the lever Gr E, rotating roll H, and cog-wheel I, substantially as and for the purposes herein set forth. 3. The combination of the rolls D H, slide K, with die f, and lever L, as and for the purpose described.
` In testimony that we claim the foegoiug as our own we affix our signatures in presence ot' two witnesses.
' LOUIS BEYER.
RUDOLPH HEUNSCH. Witnesses :l
' C. H. WATSON,
J. H. VAN ARNUM.
Publications (1)
Publication Number | Publication Date |
---|---|
US164710A true US164710A (en) | 1875-06-22 |
Family
ID=2234119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US164710D Expired - Lifetime US164710A (en) | Improvement in machines for bending circular file-blanks |
Country Status (1)
Country | Link |
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US (1) | US164710A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2566414A (en) * | 1948-07-03 | 1951-09-04 | Wesley J Henry | Method of forming orthodontic arches |
-
0
- US US164710D patent/US164710A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2566414A (en) * | 1948-07-03 | 1951-09-04 | Wesley J Henry | Method of forming orthodontic arches |
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