US57984A - Improvement in turning-lathes - Google Patents
Improvement in turning-lathes Download PDFInfo
- Publication number
- US57984A US57984A US57984DA US57984A US 57984 A US57984 A US 57984A US 57984D A US57984D A US 57984DA US 57984 A US57984 A US 57984A
- Authority
- US
- United States
- Prior art keywords
- lathes
- improvement
- carriage
- turning
- rod
- 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
- 210000001513 Elbow Anatomy 0.000 description 2
- 101700012140 TAB1 Proteins 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C7/00—Wood-turning machines; Equipment therefor
- B27C7/005—Wood-turning machines; Equipment therefor by means of a rotating tool
Definitions
- the improvement consists in an arrangement of devices fora lathe or analogous machine, by which the carriage containing the blank and the form is automatically gigged back after its effective stroke when it has reached the dened limits.
- A is the bench, supported upon legs B B.
- U is a carriage, supported and sliding upon Ways D D.
- E is the toolfraine, whose posts are pivoted below to the frame.
- F is a continuously-revolving gigback shaft, supported upon blocks Gr Gr, projecting from the legs ofthe bench. At the end of this shaft is a drum, H, which is sheaved thereupon, so as by longitudinal mo tion to engage with or be disengaged from the clutch-pin g.
- Attached to the drum H is a cord, I, which winds thereon when the clutch-connection is made, and, traversing over a pulley, J, mounted on a standard, K, on the bench, is passed over a pulley, L, on the carriage, and thence returning is attached to a stationary point-say, the standard K.
- the tappet M is a tap1)et1od,which slips longitudinally in bearings N N by the contact of the carriage with the tappets O O', which project from the rod M.
- the tappet O forming a bent termination to the rod, is rigidly attached thereto, while the tappet O is adjustable, so as to cast off the clntchconnection at such time as corresponds to the length of the blank under treatment.
- An arm, P, passing downwardly from the rod M, is pivoted by alink, Q, to arocking elbow, R, whose outer end carries a wedge, S, the latter acting to push outwardly the spring drum-shifter T, so as to disengage the drum from the clutch-pin g on the shaft F and stop the feed.
Description
UNITED STATES PATENTOFIIIGE.
WVM. SIMPSON, Z. OMAN, AND S. FOREMAN, OF NOTTAVVA, MICHIGAN. l
IMPROVEMENT IN T'URNING-LATHES.
Specification forming part of Letters Patent No. 57,984, dated September l1, 1866.
To all whom it may concern:
Be it known that we, WILLIAM SIMPSON, ZEBoATII OMAN, and STANTON FOREMAN, of N ottawa, in theA county of St. Joseph and State of Michigan, have made new and useful Improvements in GigB-acks for Turning- Lathes 5 and we do hereby declare the following to be a full, clear, and exact description ot' the nature, construction, and operation of the same, sufiicient'to enable one skilled in the art to which it is allied to construct and use the same, reference being had to the accompanying drawings, in which- Figure l is a front elevation. Fig. 2 `is an end elevation. Fig. 3 is a plan of the portion below section-line x fr, Fig. l. 4
Similar letters refer to correspondin g parts in the different iigures.
The improvement consists in an arrangement of devices fora lathe or analogous machine, by which the carriage containing the blank and the form is automatically gigged back after its effective stroke when it has reached the dened limits.
In machines of this character the effective action is performed by the single passage of the blank before the tool, the blank being removed at the end ot' its stroke and another one ehucked in its place. The means of this et'- fective propulsion are not shown in the draw ings, as they form no part of this invention,
which consists of a means for automatically gigging back the carriage to its initial position ready for another eli'ective stroke. In this machine these motions of the carriage bring it in contact with tappets on the rod, which make or break a clutch-connection with the continuousl y-revolvin g gig-back shaft.
ln the drawings, A is the bench, supported upon legs B B. U is a carriage, supported and sliding upon Ways D D. E is the toolfraine, whose posts are pivoted below to the frame. F is a continuously-revolving gigback shaft, supported upon blocks Gr Gr, projecting from the legs ofthe bench. At the end of this shaft is a drum, H, which is sheaved thereupon, so as by longitudinal mo tion to engage with or be disengaged from the clutch-pin g.
Attached to the drum H is a cord, I, which winds thereon when the clutch-connection is made, and, traversing over a pulley, J, mounted on a standard, K, on the bench, is passed over a pulley, L, on the carriage, and thence returning is attached to a stationary point-say, the standard K.
M is a tap1)et1od,which slips longitudinally in bearings N N by the contact of the carriage with the tappets O O', which project from the rod M. The tappet O, forming a bent termination to the rod, is rigidly attached thereto, while the tappet O is adjustable, so as to cast off the clntchconnection at such time as corresponds to the length of the blank under treatment.
An arm, P, passing downwardly from the rod M, is pivoted by alink, Q, to arocking elbow, R, whose outer end carries a wedge, S, the latter acting to push outwardly the spring drum-shifter T, so as to disengage the drum from the clutch-pin g on the shaft F and stop the feed.
The reverse motion of the rod M, by lifting the wedge S, allows the spring-piece T to close the drum against the clutchpin and restore the connection between the gig-back rod andthe carriage. The hook U -on the toolframe allows the latter to be fastened back when changing the blanks.
Having described our invention, what we claim therein as new, and desire to secure by Letters Patent, is-
The arrangement ot' the tappet-rod M with tappets O O', by contact with which the carriage is made to operate the clutch-drum on the gig-back shaft F, substantially as and for the purpose described.
WM. SIMPSON. ZEBOATH OMAN.V STANTON FOREMAN.
Witnesses:
' JOHN S. Wenns,
JOsIAH LAND.
Publications (1)
Publication Number | Publication Date |
---|---|
US57984A true US57984A (en) | 1866-09-11 |
Family
ID=2127523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US57984D Expired - Lifetime US57984A (en) | Improvement in turning-lathes |
Country Status (1)
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US (1) | US57984A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080079765A1 (en) * | 2006-09-28 | 2008-04-03 | Canon Kabushiki Kaisha | Ink jet printing apparatus |
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0
- US US57984D patent/US57984A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080079765A1 (en) * | 2006-09-28 | 2008-04-03 | Canon Kabushiki Kaisha | Ink jet printing apparatus |
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