US684A - Machine for mortising timber - Google Patents

Machine for mortising timber Download PDF

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Publication number
US684A
US684A US684DA US684A US 684 A US684 A US 684A US 684D A US684D A US 684DA US 684 A US684 A US 684A
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United States
Prior art keywords
timber
machine
mortising
frame
dog
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27FDOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F5/00Slotted or mortised work
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00Chucks or sockets
    • Y10T279/18Pivoted jaw
    • Y10T279/188Toggle actuated

Definitions

  • This invention is called Mortising Machine.
  • the frame is generally aboutiseven feet high and sixteen inches wide made of any suitable material.
  • the slides (C Figure 1 are made of iron having teeth or cogs insi e and a tongue or flange on the outside. The lower part of them is wider than the top and made to meet. A groove is cast in both and a tongue fastened in one side to retain them in their relative position. This tongue is marked E. It may if desirable be cast upon one of the slides. They are retained in their position by a bar G in which is a screw to regulate them.
  • a bar (F) which serves to support the shaft of the pinion B.
  • This is an ordinary cog wheel attached to a short shaft one journal of which runs in the bar F, as seen in the drawing and the other in a similar bar on the backside of the frame.
  • a pair of arms or pendulums (D) the use of which is to work the chisels, &c., by vibrating them.
  • a flange standing out half an inch or thereabout in front a part of which in each is cut away to admitl the chisels.
  • the chisels of the form represented at H are secured to the slides by means of a screw through the top of them into the slide. They are arranged with their backs together, consequently the face of each BURDICK The Vertical i f frame.
  • the supports of the bed piece are made with a tongue to it into the grooves in the These supports are marked S. They are held in the required position by wedges R. i
  • the bed piece M is set at any required position by means of the movable supports S and serves as a bed for the timber to be mortised.
  • the piece O is permanently attached to the frame and has a groove in it from end to end.
  • the notched slide or rack N is tongued at bottom to fit the Groove in the piece O, on the top of this slide N is a rack made of iron, similarv to saw teeth.
  • the object of this slide is to move aloner the timber which is to be mortised, this it ,does by means of a dog working into the rack. A nail or screw is driven into it to enable it to carry with it the timber.
  • the dog I is made to act by means of a tumbler J, which is placed in the frame in the position shown in Figs. l and 2 by occult lines. At the top of the tumbler ⁇ is a roller to prevent friction. There is a small rod runs from the top of it to a spring K. There is a rod attached to the dog which runs down to a treadle on the foot of the frame. This rod is marked V. The use of this is to raise the'dog off the rack.

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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)

Description

UNITED sTATE-s PATENT oEEfioE.
FRANCIS BURDICK AND THOS. BURDIGK, OF BROOKLYN, NEW YORK.
MACHINE EonVMoRTIsING TIMBER, aw.
Specification of Letters PatentNo. .684, dated April '7, 1838.
To all whom it may concern Be it known that we, FRANCIS and THoMAs BURDIGK, of thel city of Brooklyn, county of Kings, and State of New York, have invented a new and useful Improvement in Mortising-Mach-ines; and'we do hereby declare that the following is a full and exact description.
This invention is called Mortising Machine.
The nature of it consists in moving up and down alternately two chisels attached to vertical slides, (on the insides of which there are teeth or cogs) -by means of a pinion placed between them. y
To enable others to make and use our invention we herein more fully describe its construction and operation.
The frame is generally aboutiseven feet high and sixteen inches wide made of any suitable material. There are two upright posts with a foot piece and cap piece marked A in the annexed drawing which makes a part of this specification. On the inside of each of these posts is a groove (X) in which runs the tongues of the slides.
The slides (C Figure 1 are made of iron having teeth or cogs insi e and a tongue or flange on the outside. The lower part of them is wider than the top and made to meet. A groove is cast in both and a tongue fastened in one side to retain them in their relative position. This tongue is marked E. It may if desirable be cast upon one of the slides. They are retained in their position by a bar G in which is a screw to regulate them.
. Across the frame is a bar (F) which serves to support the shaft of the pinion B. This is an ordinary cog wheel attached to a short shaft one journal of which runs in the bar F, as seen in the drawing and the other in a similar bar on the backside of the frame. Upon the shaft of this pinion is a pair of arms or pendulums (D) the use of which is to work the chisels, &c., by vibrating them.
At the bottom of the slides is a flange standing out half an inch or thereabout in front, a part of which in each is cut away to admitl the chisels. The chisels of the form represented at H are secured to the slides by means of a screw through the top of them into the slide. They are arranged with their backs together, consequently the face of each BURDICK The Vertical i f frame.
will be out so as to make the mortise heads without turning the chisel.
There is a cross piece inserted in the frame near the bottom on the front of which p is a spring, see P, which serves to hold the timber close to the machine while it is being mortised.
The supports of the bed piece are made with a tongue to it into the grooves in the These supports are marked S. They are held in the required position by wedges R. i
The bed piece M is set at any required position by means of the movable supports S and serves as a bed for the timber to be mortised.
The piece O, is permanently attached to the frame and has a groove in it from end to end. i
The notched slide or rack N, is tongued at bottom to fit the Groove in the piece O, on the top of this slide N is a rack made of iron, similarv to saw teeth. The object of this slide is to move aloner the timber which is to be mortised, this it ,does by means of a dog working into the rack. A nail or screw is driven into it to enable it to carry with it the timber.
The dog I is made to act by means of a tumbler J, which is placed in the frame in the position shown in Figs. l and 2 by occult lines. At the top of the tumbler` is a roller to prevent friction. There is a small rod runs from the top of it to a spring K. There is a rod attached to the dog which runs down to a treadle on the foot of the frame. This rod is marked V. The use of this is to raise the'dog off the rack.
Operation: The timber being placed upon the bed piece, which must be set of the proper height to bring the timber near the chisel. The operator touches the treadle T with his foot to raise the dog and prevent the timber moving along. He then moves the arms D backward and forward, producing the motion of the chisels till one end of the mortise is partially made. He then removes his foot from the treadle and the notched slide or rack N is moved along one notch with every downward stroke of one of the chisels. The spring K pushes the tumbler in, so that when the slide C rises the dog is drawn back and when it descends it strikes the roller of the tumbler (See Fig.
3) and produces the action of the dog. A Worked by one pinion, in the manner above notch is made in the back of one of the described. ehisels to bring out the core. Y FRANCIS BURDICK.
What We claim as our invention and de- THOMAS BURDICK. 5 sire to secure by Letters Patent is Witnesses:
The combination of the double rack or OWEN G. WARREN,
slides C, to Which the` ehisels are attached, L. F. WARREN.
US684D Machine for mortising timber Expired - Lifetime US684A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023052882A1 (en) 2021-09-30 2023-04-06 Medtronic, Inc. Medical device and method for detecting tachyarrhythmia

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023052882A1 (en) 2021-09-30 2023-04-06 Medtronic, Inc. Medical device and method for detecting tachyarrhythmia

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