US19056A - Lathe for turning wood - Google Patents

Lathe for turning wood Download PDF

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US19056A
US19056A US19056DA US19056A US 19056 A US19056 A US 19056A US 19056D A US19056D A US 19056DA US 19056 A US19056 A US 19056A
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Prior art keywords
slides
lathe
cutters
cutter
rest
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Assigned to HERCULES TECHNOLOGY GROWTH CAPITAL, INC. reassignment HERCULES TECHNOLOGY GROWTH CAPITAL, INC. SECURITY AGREEMENT Assignors: QUATRX PHARMACEUTICALS COMPANY
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/10Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only
    • B23Q35/101Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool
    • B23Q35/102Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool of one line

Description

A. N. WILCOX, OF WATERVLIET, NEIN YORK.
LATI-IE FOR TURNING WOOD.
Speccaton of Letters Patent No. 19,056, dated January 5, 1858'.
T o all whom it may cof/wem:
Be it known that I, AMANDER N. WILcoX, of VVatervliet, Albany county, State of New York, have invented a new and Improved Self-ActingCutter Apparatus for Turning- Lathes; and I declare the following specification, with the drawings hereto attached as part of the same, to be a full and perfect description thereof.
Figure 1 represents in perspective a lathe with my apparatus attached; Fig. 2 a view of the apparatus from the right hand end of the lathe; Fig. 3 a view of the same from the left hand end of the lathe.
Similar letters in the diiferent figures de note the same parts of the apparatus.
The lathe with its frame, pulleys, adjust ing heads, &c., are in the well known form and need no description further than as shown in the drawings.
My improvement is connected with the slide-rest and apparatus operating the cutters, and the rest jaws attached thereto, and has reference to the method of applying the cutters to the article being turned, and to a method of maintaining throughout nearly the entire length ofthat article a support near the point operated on by the cutters.
A is the slide-rest moving upon guides B and C. It has attached to its edge the block D by which a feed screw (not shown in the drawings but arranged in the usual manner for lathes,) moves it, the rest, back and forth. The rest supports along its right hand face two slides, being flat pieces M and N lying one over the other and supporting the cutter stocks and cutters E, G. These slides move vertically, and have through them an opening for the passage of the article to be turned. Lying behind are two other slides H and J meeting each other, which when closed meet over the central point or axis of the lathe, each having a semicircular opening in its edge, which together form a circle of the size of the largest diameter intended for the turned part of the article operated on.
The slides M and N are operated by two levers a and b which are supported at centers upon an upright K, their inner ends lying under studs c afliXed to the slides, their outer ends being attached to upright rods d and e which pass down through block D having from their lower ends projecting pins f which pass under the pattern L, said pattern being attached in the usual manner to the lower front edge of the lathe. The weight of the slides keeps the pins f up to the uppermost recess or lines of the pattern, the lowest edges of the pattern pressing down the levers d and e and raising the slides.
The slides H and J are operated by rod P, lying along the face of the'rest, parts of which are bent so as to lie angularly along its surface and across H and J, the upper angles across H running in the opposite direction to the lower one across J, the angle being the same in both cases. In the face of the slides small pins w, embrace the rod P, so that as it moves up and down, its inclined edges shove the slides simultaneously and equally one to the right hand, the other to the left hand. The rod P is operated by a pin 7L, near its bottom which traverses a slotted guide or pattern Q, lying along the back of the lathe properly shaped to give due motion to the slides. Upon the other or left side of the slide rest (see Fig. 3) is attached a ring R which projects out a little from its surface; its open diameter being large enough to pass the largest part, when finished, of the article to be turned, in the case of bed posts and similar work, the square parts. To the ring is afxed the cutter z' to cutxdown the rough material to this size.
Aga inst the face of the rest is a horizontal slide S carrying the cutter L whosework it is to cut the material down from the square to the size of the largest diameter for the turned article,- so as to fit the opening in the slides H, J, when closed upon each other, thus forming a support for the material near the point operated on by the cutters E and Gr during the whole process of turning. This slide S is operated by the guide Q through the rod T, which being constructed like rod P and operating in a similar manner throws the slide with its cut-ter le to and from the work.
The knives or cutters E and G are placed so as to cut the material from the top progressing downward in a line parallel with a diameter of the circle of turning, and a short distance in front of it, the cutters working a little below the tangent to the circle. Cutter E is set to cut a little deeper than G. By the movement of the rest from right to left Gr precedes E along the pattern L and cuts the material down to the proper form leaving E With a light chip to finish the Work smoothly.
If requisite for more perfect Work more than tWo slides and cutters can be employed.
The operation of the machine is thus: The material to be turned, say a stick for a bedpost being placed between the heads and the rest A placed at the right hand extremity of the stick, and the machine set in motionfirst the cutter z' trims oftl the rough corners of t-he stick to the edges of t-he square; next the cutter 71: pares down the Wood to the largest diameter of the ornamental part of the post, and so as to fit Within the slides H, J When closed; next the cutter G guided by the pattern L cuts out the ornamental form designed by the pattern, cutter E following close behind and finishing the Work; next just before that part of the stick intended for the square part of the post arrives at the cutters E, G, the pattern raises them above its range; next the supporting slides H, J, operated by the guide Q open and pass the stick, the cutter c being then Withdrawn by Q. As soon as the square has passed, the
pattern and guide bring back the rest H--J and cutters to their appropriate Work to nish the remaining ornamental part of the post.
I do not claim the employment or use of slides carrying cutters and operated by patterns or guides acting in combination with springs, but I claiml. The use of cutter slides M, and N, moving vertically and acting by their oWn Weight in combination With the levers a, o, rods (Z, e, and patternguide L, constructed and arranged to operate the cutters E, and G, as described.
2. I further claim the combination of the cutter slides and cutters arranged and operated as described, With the slides H and J and their operating mechanism, so as to support the article being turned close to the cutters, excepting When the square parts of Athe article need passage through the said slides, substantially as described.
A. N. WILCOX. Witnessesz 'W. C. MILLER, RICHD. VARIOK DE WITT.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170028573A (en) 2015-09-04 2017-03-14 삼성중공업 주식회사 Handrail

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170028573A (en) 2015-09-04 2017-03-14 삼성중공업 주식회사 Handrail

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