US1841867A - Device for producing shadow lines on work pieces - Google Patents

Device for producing shadow lines on work pieces Download PDF

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Publication number
US1841867A
US1841867A US47978530A US1841867A US 1841867 A US1841867 A US 1841867A US 47978530 A US47978530 A US 47978530A US 1841867 A US1841867 A US 1841867A
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Prior art keywords
frame
lever
saw
work pieces
movable
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Wiegelmann Hubert
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B31/00—Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
    • B27B31/06—Adjusting equipment, e.g. using optical projection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7872—Tool element mounted for adjustment
    • Y10T83/7876—Plural, axially spaced tool elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/849—With signal, scale, or indicator
    • Y10T83/865—Indicates work characteristic

Definitions

  • My invention relates to a device for producing shadow lines on work pieces, particularly on work to be cut on sawing machines, by a fixed light source of the concentrated tubular type and templet wires arranged below the light and capable of being moved square to the cutting direction.
  • the hitherto customary positive connection between templet and saw blade by means of screws and chains has proved to be inadequate.
  • the templet wires are arranged in a supporting frame which is swingably suspended fro-m an axis disposed underneath and parallel to the light axis of the tubular light source.
  • This arrangement obviates the necessity for providing the means which would otherwise be required for moving the templet proportional to the dispersion of the beams.
  • the rocking motion or the transverse movement of the templet frame, and thus of the templet wires transversely to the cutting direction is achieved by a. singleended lever which is profitably connected with the adjustaing device of the tool, i. e., the saw blade, through the interposition of a correcting device.
  • FIG. 1 is a front elevation showing a movable and a fixed saw blade and a movable and fixed templet wire
  • Fig. 2 is a side elevation of Fig. 1,
  • Fig. 3 is a device with two movable templet wires and two movable saw blades.
  • Fig. 4 is a vertical section through the upper part of the support.
  • Fig. 5 is a side view of the support.
  • Fig. 6 is a longitudinal section through the hand wheel and adjusting device.
  • the fixed concentrated tubular light source which is fastened to the ceiling of the workshop, is incicated by a.
  • the light source is arranged on a frame 8 which carries the fixed templet wire 6 and the movable templet wire 0.
  • the wire 6 produces the guiding shadow line for the fixed saw blade d.
  • the frame, which carries this wire 6, is arranged to be moved sideways, and thus square to "the-sawing'machiine a source ofl-ig'ht-secured shadow line on the work piece by the source the cutting direction, on the fixed frame, and to be secured to it in the required position.
  • the movable templet wire 0 is carried by a rocking gear or rocking frame with a lever aoneendof the latter pivoting about an axis f whicl-i lies in the center line of the light source, while the other end is connected with a curved bracket it through the interposition ofu correcting or adjusting device,th-e brackct being secured to the adjusting device of. 50 the movable saw blade 70.
  • the adjusting or shifting device '2' is so arranged on a screw Z that it is novede it her toone side or the other by turning the screw by means of the hand wheel at, the saw blade moving in a corresponding manner square to the cutting dir-ectien.
  • the templet wire 0 is also moved in a lateral direction through the medium of "the bracket 7L and lever 6, this being elfected in a proportional relationship so that the guiding shadow of the templet always coincides with the cutting point of the saw blade.
  • a correcting-or adjusting device 9 is interposed between the lever e and the curved bracket 7?. of the shifting device of the saw ldlade.
  • a bearing fitted with :a bushing n is arranged at the end of the bracket 71, a screw 0 moving endwise in the "bushing when the latter is rotated by the hand wheel p.
  • This screw is forked at g to receive the flattened end of the lever e which is slotted and provided with a pin '9" which connects the lever and forked portion of the screw.
  • '3 is a front elevation of a con: struction-o'f the device in which two movable saw blades and two movable templet Wires are provided.
  • Adev ice for producinga straight-shadow line on work pieces of sawing machines or the like comprising a framearrangedover to the frame; a rocking frame movabl-y mounted in the first-named frame; means secured to the rocking frame for throwing a oflight; and a lever connectedtothe rocking frame for adjusting the shadow line on the work piece.
  • a device for producing a straight shadow line on work pieces of sawing machines or the like comprising a frame arranged over the sawing machine; a source of light secured to the frame; a rocking frame movably mounted in the first-named frame; means secured to the rocking frame for throwing a shadow line on the work piece by the source of light; a lever connected to the rocking frame for adjusting the shadow line on the work piece; and means connected to a movable saw of the sawing machine so that movement of the lever to adjust the shadow line will also adjust the saw.
  • a device for producing a pair of straight shadow lines on work pieces of sawin' machines having a stationary and a movab e saw comprising a frame arranged over the sawing machine; a source of light secured to the frame; means secured'to the frame for throwing a stationary shadow line on the work piece cooperating with the stationary saw; a rockin frame movably mounted in the first-name frame; means secured to the rocking frame for throwing a shadow line on the work piece by the source of light and cooperating with the movable saw; a lever connected to the rocking frame for adjusting the shadow line on the work piece; and means connected to the movable saw of the sawing machine and including an adjustable device whereby movement of the lever by the adjustable device will adjust the shadow line and also the saw.
  • An device for producing a pair of straight shadow lines on work pieces of sawing machines having a stationary and a movable saw comprising a frame arranged over the sawing machine; a source of light secured to the frame; means secured to the frame adapted to throw a stationary shadow line on the work piece cooperating with the stationary saw; a rocking frame movably mounted in the first-named frame; means secured to the rocking frame adapted to throw a shadow line on the work piece by the source of light and cooperating with the movable saw; a lever having one end connected to the rocking frame; a bracket to which the other end of the lever is secured; a shifting device for the movable saw operatively connected to the bracket; and means for adjusting the shifting device which also adjusts the lever and the rocking frame to thereby adjust its means for throwing the second-mentioned shadow line.
  • a device for producing a pair of straight shadow lines on work pieces of sawin machines having a stationary and a movab e saw comprising a frame arranged over the sawing machine; a source of light secured to the frame; means secured to the frame adapted to throw a stationary shadow line on the work piece cooperating with the stationary saw; a rocking frame movably mounted in the first-named frame; means secured to the rocking frame adapted to throw a shadow line on the work piece by the source of light and cooperating with the movable saw; a lever having one end connected to the rocking frame; a bracket to which the other end of the lever is secured; a shifting device for the movable saw operatively connected to the bracket; means for adjusting the shifting device which also adjusts the lever and the rocking frame to thereby adjust its means for throwing the second-mentioned shadow line; and an adjusting device on the bracket to shift the lever irrespective of movement of the movable saw blade.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Description

Jan. 19, 1932. H. WIEGELMANN 7 DEVICE FOR PRODUCING SHADOW LINES QN WORK PIECES 4 Filed Sept. 4. .1950 s Sheets-Sheet 1.
Jan. 19, 1932. H. WIEGELMANN DEVICE FOR PRODUCING SHADOW LINES ON WORK PIECES Filed Sept. 4, 1930 3 Sheets-Sheet 2 Jan. 19, 1932. H. WIEGELMANN DEVICE FOR PRODUCING SHADOW LINES ON WORK PIECES Filed Sept. 4, 1930 3 Sheets-Sheet 3 Afforwey Patented Jan. 19, 1932 PATENT OFFICE HUBERT WIEG-ELMANN, F NEHEIM, GERMANY DEVICE FOR PRODUCING SHADOW LINES ON WORK PIECES Application filed September 4, 1936. Serial No. 479,785.
My invention relates to a device for producing shadow lines on work pieces, particularly on work to be cut on sawing machines, by a fixed light source of the concentrated tubular type and templet wires arranged below the light and capable of being moved square to the cutting direction. The hitherto customary positive connection between templet and saw blade by means of screws and chains has proved to be inadequate. Ac-
cording to the invention, the templet wires are arranged in a supporting frame which is swingably suspended fro-m an axis disposed underneath and parallel to the light axis of the tubular light source. This arrangement obviates the necessity for providing the means which would otherwise be required for moving the templet proportional to the dispersion of the beams. According to the invention, the rocking motion or the transverse movement of the templet frame, and thus of the templet wires transversely to the cutting direction, is achieved by a. singleended lever which is profitably connected with the adjustaing device of the tool, i. e., the saw blade, through the interposition of a correcting device.
A construction embodying the invention is shown in the accompanying drawings, in
which Fig. 1 is a front elevation showing a movable and a fixed saw blade and a movable and fixed templet wire,
Fig. 2 is a side elevation of Fig. 1,
Fig. 3 is a device with two movable templet wires and two movable saw blades.
Fig. 4 is a vertical section through the upper part of the support.
Fig. 5 is a side view of the support.
Fig. 6 is a longitudinal section through the hand wheel and adjusting device.
The fixed concentrated tubular light source, which is fastened to the ceiling of the workshop, is incicated by a. The light source is arranged on a frame 8 which carries the fixed templet wire 6 and the movable templet wire 0. The wire 6 produces the guiding shadow line for the fixed saw blade d. The frame, which carries this wire 6, is arranged to be moved sideways, and thus square to "the-sawing'machiine a source ofl-ig'ht-secured shadow line on the work piece by the source the cutting direction, on the fixed frame, and to be secured to it in the required position. The movable templet wire 0 is carried by a rocking gear or rocking frame with a lever aoneendof the latter pivoting about an axis f whicl-i lies in the center line of the light source, while the other end is connected with a curved bracket it through the interposition ofu correcting or adjusting device,th-e brackct being secured to the adjusting device of. 50 the movable saw blade 70. The adjusting or shifting device '2' is so arranged on a screw Z that it is novede it her toone side or the other by turning the screw by means of the hand wheel at, the saw blade moving in a corresponding manner square to the cutting dir-ectien. Needless to say, the templet wire 0 is also moved in a lateral direction through the medium of "the bracket 7L and lever 6, this being elfected in a proportional relationship so that the guiding shadow of the templet always coincides with the cutting point of the saw blade. In order to adjust this proportional relationship and also to adjust the device to suit different thicknesses of the 15 materialto be cut, a correcting-or adjusting device 9 is interposed between the lever e and the curved bracket 7?. of the shifting device of the saw ldlade. A bearing fitted with :a bushing n is arranged at the end of the bracket 71, a screw 0 moving endwise in the "bushing when the latter is rotated by the hand wheel p. This screw is forked at g to receive the flattened end of the lever e which is slotted and provided with a pin '9" which connects the lever and forked portion of the screw. '3 is a front elevation of a con: struction-o'f the device in which two movable saw blades and two movable templet Wires are provided. E
What I claim is 1. Adev ice for producinga straight-shadow line on work pieces of sawing machines or the like, comprising a framearrangedover to the frame; a rocking frame movabl-y mounted in the first-named frame; means secured to the rocking frame for throwing a oflight; and a lever connectedtothe rocking frame for adjusting the shadow line on the work piece.
2. A device for producing a straight shadow line on work pieces of sawing machines or the like, comprising a frame arranged over the sawing machine; a source of light secured to the frame; a rocking frame movably mounted in the first-named frame; means secured to the rocking frame for throwing a shadow line on the work piece by the source of light; a lever connected to the rocking frame for adjusting the shadow line on the work piece; and means connected to a movable saw of the sawing machine so that movement of the lever to adjust the shadow line will also adjust the saw.
3. A device for producing a pair of straight shadow lines on work pieces of sawin' machines having a stationary and a movab e saw, comprising a frame arranged over the sawing machine; a source of light secured to the frame; means secured'to the frame for throwing a stationary shadow line on the work piece cooperating with the stationary saw; a rockin frame movably mounted in the first-name frame; means secured to the rocking frame for throwing a shadow line on the work piece by the source of light and cooperating with the movable saw; a lever connected to the rocking frame for adjusting the shadow line on the work piece; and means connected to the movable saw of the sawing machine and including an adjustable device whereby movement of the lever by the adjustable device will adjust the shadow line and also the saw.
4. An device for producing a pair of straight shadow lines on work pieces of sawing machines having a stationary and a movable saw, comprising a frame arranged over the sawing machine; a source of light secured to the frame; means secured to the frame adapted to throw a stationary shadow line on the work piece cooperating with the stationary saw; a rocking frame movably mounted in the first-named frame; means secured to the rocking frame adapted to throw a shadow line on the work piece by the source of light and cooperating with the movable saw; a lever having one end connected to the rocking frame; a bracket to which the other end of the lever is secured; a shifting device for the movable saw operatively connected to the bracket; and means for adjusting the shifting device which also adjusts the lever and the rocking frame to thereby adjust its means for throwing the second-mentioned shadow line. I
5. A device for producing a pair of straight shadow lines on work pieces of sawin machines having a stationary and a movab e saw, comprising a frame arranged over the sawing machine; a source of light secured to the frame; means secured to the frame adapted to throw a stationary shadow line on the work piece cooperating with the stationary saw; a rocking frame movably mounted in the first-named frame; means secured to the rocking frame adapted to throw a shadow line on the work piece by the source of light and cooperating with the movable saw; a lever having one end connected to the rocking frame; a bracket to which the other end of the lever is secured; a shifting device for the movable saw operatively connected to the bracket; means for adjusting the shifting device which also adjusts the lever and the rocking frame to thereby adjust its means for throwing the second-mentioned shadow line; and an adjusting device on the bracket to shift the lever irrespective of movement of the movable saw blade.
In testimony whereof I affix my signature.
HUBERT VVIEGELMANN.
US47978530 1930-09-04 1930-09-04 Device for producing shadow lines on work pieces Expired - Lifetime US1841867A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510471A (en) * 1948-03-23 1950-06-06 Gerry A Horstkotte Shadow line guide for sawmill edgers
US2806492A (en) * 1954-04-23 1957-09-17 Raimann G M B H Fa B Projected light means for positioning a work-piece on a machine tool
US3886878A (en) * 1973-03-29 1975-06-03 Galkin Corp Joseph Automatic fabric handling apparatus
US4257297A (en) * 1979-01-31 1981-03-24 Peter Nidbella Circular saw with visual cut line indicator
US5546840A (en) * 1992-10-28 1996-08-20 Dienes Werke Fur Maschinenteile Gmbh & Co. Kg Slitting machine with position check of the cutting edges

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510471A (en) * 1948-03-23 1950-06-06 Gerry A Horstkotte Shadow line guide for sawmill edgers
US2806492A (en) * 1954-04-23 1957-09-17 Raimann G M B H Fa B Projected light means for positioning a work-piece on a machine tool
US3886878A (en) * 1973-03-29 1975-06-03 Galkin Corp Joseph Automatic fabric handling apparatus
US4257297A (en) * 1979-01-31 1981-03-24 Peter Nidbella Circular saw with visual cut line indicator
US5546840A (en) * 1992-10-28 1996-08-20 Dienes Werke Fur Maschinenteile Gmbh & Co. Kg Slitting machine with position check of the cutting edges

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