US174184A - Improvement in mortising and tenoning machines - Google Patents
Improvement in mortising and tenoning machines Download PDFInfo
- Publication number
- US174184A US174184A US174184DA US174184A US 174184 A US174184 A US 174184A US 174184D A US174184D A US 174184DA US 174184 A US174184 A US 174184A
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- United States
- Prior art keywords
- frame
- cutter
- mortising
- improvement
- boring
- 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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- 230000000875 corresponding Effects 0.000 description 8
- 210000002310 Elbow Joint Anatomy 0.000 description 2
- 241000289429 Philander Species 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 230000013707 sensory perception of sound Effects 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
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F5/00—Slotted or mortised work
- B27F5/02—Slotting or mortising machines tools therefor
Definitions
- This invention relates to the forming of tenons on the legs of rocking-chairs, and at the same time on another part of the frame to bore the mortises in the rockers for the same, the two operations being performed by the same motive power, as will be more fully hereinafter described.
- Figure 1 represents a plan view of the top of the machine.
- Fig. 2 is an elevation of one side.
- AA represent theframe,upon which the workin gpartsare arran ged,-and which is supported. on four legs, A A.
- On this shaft B are placed the several pulleys to communicate motion to the rotary cutters and boring-tools above, by means of properly-arranged belts, in the usual and obvious manner, whereby these cutters and boring-bits will duly perform their proper functions, as will be explained
- B is a pulley,on which are belts?) b b.
- Other belts, as c e c can be seen in Fig.
- the belt I) is twisted to give a rotary motion to the vertical arbor O, on which is a cutter-head, 0, above the frame.
- b is a belt extending to a leadingpulley, d, (shown in dotted lines in Fig. 2,) and thence up to and over a pulley, d, on a horizontal arbor, carrying at its outer end a cutter-head, f above this is a similar arbor and cutter-head, f.
- a leadingpulley, d shown in dotted lines in Fig. 2
- the belt b is carried, and thence down to a leading-pulley, d, and to the main pulley B.
- the lateral ,motion of the table D to the left will bring these logs between the cutter-heads f f, and dress them to the proper thickness for the tenons; the lower cutter being double, the outer half takes the post out of wind.
- the left leg 9 will come up to the vertical cutter-head c, which will corner the tenong, and when the table is carried to the right the leg 9 will reach to a corresponding cutter-head, c, which will corner the teuon g.
- This cutter'head is on the top of a vertical arbor, G, which is driven by a belt, I), from the main shaft B, as seen in Fig.2, the arbor and pulley being shown in dotted lines.
- the chair is kept'in position by a clamp, h, operated by an eccentric lever, e.
- a metallic strap, 6, which extends to a sliding frame, I, on the other side of the main frame.
- This strap 43 is fastened to the under side of frame I, so thatlas the table D is moved on its pivot to, either to the left or right on the are D, ⁇ the strap 6 moves in the corresponding small are, (shown in dotted lines 00 [1 and consequently has an endwise movement corresponding to the versed sine of that arc, and draws inwardly the table I, and removes the same to its original position, as the table D vibrates the other way to the position shown in Fig.1.
- table D may. carry it, the upper wheel 11. being made long to admit of this movement laterally.
- the sliding frame I which is operated by the raclrbar and the spur from the wheel n, is to adjust the boring-bit p to such a dis-, tance from p as to gage precisely with the distance between the tenons on legs 9 and g, the bit 19 being always stationary.
- a sliding frame, J In the middle of the main frame A, and between frame I and table D, is a sliding frame, J, supported by guides j j.
- This slide is attached, by an elbow-joint, j, to a connectingbar, J, to an eccentric wheel, which is on the top of a vertical shaft, operated from main shaft B by a pulley and belt, 6, as seen in Fig. 1.
- this shaft rotates, it moves to and fro the slide J.
- On this slide is clamped a rocker, with its hollow curve to the boring-bits 1o 11, the one place for a mortise being g'aged opposite the fixed bit 1),- then, by. moving the wheel a, the bit 19 is adjusted to the other place for the mortise.
- legs of chairs are tenoned and the rockers mor-
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
Description
a. BENJAMIN MOR'I'ISING AND TENON'ING-MACHINE. No.,1'74,184. Patented Feb 29,1816.
N.FETERS. PMOTO-UTHOGRAPHER, WASHINGION, n c.
UNITED STATES PATENT rEIoE.
GEoRGE BENJAMIN, OF GARDNER, M ssAoHUsE'rTs, ASSIGNOR T0 PHILANDER DERBY, or sAME PLACE.
IM PROVEMENT IN MORTISING AND T E NONING MACHINES.
, Specification forming part of Letters Patent No. 174, 184, dated February 29, 1876; application filed January 26, 1875.
To all whom it may concern:
Be it known that I, GEORGE BENJAMIN, of Gardner, in the county of Worcester and State of Massachusetts, have invented certain new and useful Improvements in Mortisiiig and Tenoning Machines; and I do hereby declare 'that the following is a full, clear, and 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 drawing, and to the letters of reference marked thereon, which form a part of this specification.
This inventionrelates to the forming of tenons on the legs of rocking-chairs, and at the same time on another part of the frame to bore the mortises in the rockers for the same, the two operations being performed by the same motive power, as will be more fully hereinafter described.
Figure 1 represents a plan view of the top of the machine. Fig. 2 is an elevation of one side. i
AA represent theframe,upon which the workin gpartsare arran ged,-and which is supported. on four legs, A A. Bis a main shaft, placed under the frame athwart the same, and sup ported in suitable hearings on the longitudinal pieces A, extending between the posts A A. On this shaft B are placed the several pulleys to communicate motion to the rotary cutters and boring-tools above, by means of properly-arranged belts, in the usual and obvious manner, whereby these cutters and boring-bits will duly perform their proper functions, as will be explained- B is a pulley,on which are belts?) b b. (Seenin Fig. 2.) Other belts, as c e c, can be seen in Fig. 1, and will be explained hereafter. The belt I) is twisted to give a rotary motion to the vertical arbor O, on which is a cutter-head, 0, above the frame. b is a belt extending to a leadingpulley, d, (shown in dotted lines in Fig. 2,) and thence up to and over a pulley, d, on a horizontal arbor, carrying at its outer end a cutter-head, f above this is a similar arbor and cutter-head, f. Around the pulley d of this latter arbor, and over another pulley, d,
the belt b is carried, and thence down to a leading-pulley, d, and to the main pulley B.
These arbors are supported in standards H H on the frame, and are regulated by a screw, it, on top. By this bolt the cutter-heads ff travel in opposite directions. On top of the frame, and pivoted 'to a bracket, D, is a vibrating table, D, which travels over an are, D, on the frame, and. on which is to be placed the chair G, as represented in dotted lines in Fig.1, the lower legs 9 g projecting beyond the arc of the circle (whose center of motion is at the pivot a) as much as the length of tenon is required. The lateral ,motion of the table D to the left will bring these logs between the cutter-heads f f, and dress them to the proper thickness for the tenons; the lower cutter being double, the outer half takes the post out of wind. The left leg 9 will come up to the vertical cutter-head c, which will corner the tenong, and when the table is carried to the right the leg 9 will reach to a corresponding cutter-head, c, which will corner the teuon g. This cutter'head is on the top of a vertical arbor, G, which is driven by a belt, I), from the main shaft B, as seen in Fig.2, the arbor and pulley being shown in dotted lines. The chair is kept'in position by a clamp, h, operated by an eccentric lever, e. To the under side of table D is attached, by a-pivot at i, a metallic strap, 6, which extends to a sliding frame, I, on the other side of the main frame.- This strap 43 is fastened to the under side of frame I, so thatlas the table D is moved on its pivot to, either to the left or right on the are D,\ the strap 6 moves in the corresponding small are, (shown in dotted lines 00 [1 and consequently has an endwise movement corresponding to the versed sine of that arc, and draws inwardly the table I, and removes the same to its original position, as the table D vibrates the other way to the position shown in Fig.1. On table I are two horizontal arbors, K K, having pulleys l l, on which are belts c 0, leading from the main shaft B under the frame. In the ends of these arbors are two boring-bits of proper size, sockthe rack-bar to its vertical position, while it can move laterally with the frame I, in or.out,
as table D may. carry it, the upper wheel 11. being made long to admit of this movement laterally.
The sliding frame I, which is operated by the raclrbar and the spur from the wheel n, is to adjust the boring-bit p to such a dis-, tance from p as to gage precisely with the distance between the tenons on legs 9 and g, the bit 19 being always stationary.
In the middle of the main frame A, and between frame I and table D, is a sliding frame, J, supported by guides j j. This slide is attached, by an elbow-joint, j, to a connectingbar, J, to an eccentric wheel, which is on the top of a vertical shaft, operated from main shaft B by a pulley and belt, 6, as seen in Fig. 1. As this shaft rotates, it moves to and fro the slide J. On this slide is clamped a rocker, with its hollow curve to the boring-bits 1o 11, the one place for a mortise being g'aged opposite the fixed bit 1),- then, by. moving the wheel a, the bit 19 is adjusted to the other place for the mortise. Now, as the chair,'be ing clamped in its proper position on the vi bratin g table D, is moved to the cutter-heads ff to cut the tenons on g g, the boring-bits 1911 are drawn to the rocker by strap i and the rotation of shaft B, givingmotion to all the cutter-heads and boring-bits and eccentl'ic, shaft, the movement of which last causes the slide J to move longitudinally to the right of the figure, and carrying the rocker, (shown in dotted lines,) so that the boring-bits p 12 make elongated mortises, and as the chair on table D is carried to cutter-head c, the cutters r r, above the bits pp, form a gain on the edge of the rocker, into which the shoulder of the tenons g gwill match, thus giving a firm socket-bearing to support the tench-andmortise joint. The reverse motion of the table D to the right withdraws the bits from the mortise, and the rocker can be removed and another one substituted, while'the chair is-turned over and the other two legs put in position.
Thus, by this arrangement of the chair, table, and the rocker sliding frame, the two operations of tenoning the legs and cutting corresponding mortises in the rockers are simultaneously performed.
Havingthus described my invention, what I claim, and desire to secure by Letters Patent,
l. The reciprocating frame I, in combination with the vibrating table D, substantially as and for the purpose described.
2. The combination of the -reeiprocating frame I, vibrating table'D, and reciprocating table J, substantially as and for the purpose described. 3. The combination of the vertically-moving and adjustable cutter-heads f f, cuttenheads c and c, and vibrating table l), for the purpose of forming the tenons on legs of chairs, and cornering the same, substantially as and for the purpose described.
4. The combination of the reci fn'ocating frame I, with its adjustable slide'l, the vibrating table D, reciprocating table J, the cutting tools ff and c and c, and the mechanism for operating the same, whereby the tised coincident] y and to the proper gage, substantially as and for the purpose described.
In testimony that I claim the foregoing as my own I aflix my signature in presence of two witnesses.
GEORGE F. PEABODY, CHAS. D. ALLEN.
. legs of chairs are tenoned and the rockers mor-
Publications (1)
Publication Number | Publication Date |
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US174184A true US174184A (en) | 1876-02-29 |
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US174184D Expired - Lifetime US174184A (en) | Improvement in mortising and tenoning machines |
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