US160768A - Improvement in scroll-sawing machines - Google Patents

Improvement in scroll-sawing machines Download PDF

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US160768A
US160768A US160768DA US160768A US 160768 A US160768 A US 160768A US 160768D A US160768D A US 160768DA US 160768 A US160768 A US 160768A
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Prior art keywords
scroll
improvement
sawing machines
slides
arm
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
    • B23D49/007—Jig saws, i.e. machine saws with a vertically reciprocating narrow saw blade chucked at both ends for contour cutting
    • 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
    • Y10T83/687—By tool reciprocable along elongated edge
    • Y10T83/705—With means to support tool at opposite ends
    • Y10T83/7055—And apply drive force to both ends of tool

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)

Description

V L-HALE. Scroll-Sawing Machine.
$10,160,768, Patented March16,1875.
THE GRAPHIG C0.PHOTD.-LITH.39&4Y PARK PLAG JtY.
UNITED STATES PATENT OFFICE.
JOSEPH HALE, OF SOMERVILLE, MASSACHUSETTS.
IMPROVEMENT IN SCROLL-SAWING MACHINES.
Specification forming part of Letters Patent No. 160,768., dated March 16, 1875 application filed March 20, 1874.
slides working in fixed grooves, said slides serving to hold the saw, and thus directing its motion; also, in arranging one of the slides so that it may be strained up to make the saw taut.
The drawing represents the invention in elevation.
Let S represent the driving-wheel, from which a band connects with the crank-disks K. On this crank-disk I place a crank-pin, m, which, working through a slot, L L, in the arm E, operates said arm. The arm E is connected by a link, H, to the upper arm D, so that the arms E and D must operate together.- A and A is a fixed frame, made as shown.
In the extremities of. the arms of this fixed frame I hang the slides P P, which Work in fixed grooves. These slides P I? hold the ends of the saw, and are attached to the oscillating arms E and D by the links R and R, as shown, so that the saw may have a perfectly vertical motion. The upper link R is connected to an adjustable rod, T, which is held at the desired point by the set-nut T.
The advantage that I claim for my invention is that I get a perfectly vertical motion by a very simple and cheap device.
I claim as my invention- In a fret-saw, the combination of the crank K M, slotted arm E, link H, and arm D with the links E R, slides P P, and adjusting-rod T, all constructed and operating together, substantially as described, and for the purpose set forth.
JOSEPH HALE.
Witnesses:
FRANK G. PARKER, WILLIAM EDsoN.
US160768D Improvement in scroll-sawing machines Expired - Lifetime US160768A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609015A (en) * 1947-04-22 1952-09-02 Gaviola Frank Reciprocating power-driven saw

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609015A (en) * 1947-04-22 1952-09-02 Gaviola Frank Reciprocating power-driven saw

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