US35391A - Improved scroll-saw stock - Google Patents

Improved scroll-saw stock Download PDF

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Publication number
US35391A
US35391A US35391DA US35391A US 35391 A US35391 A US 35391A US 35391D A US35391D A US 35391DA US 35391 A US35391 A US 35391A
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Prior art keywords
stock
saw
pitman
improved scroll
length
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D51/00Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
    • B23D51/02Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of beds; of guiding arrangements for work-tables or saw carriers; of frames
    • B23D51/025Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of beds; of guiding arrangements for work-tables or saw carriers; of frames of arrangements for guiding the saw blade
    • 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
    • Y10T83/00Cutting
    • Y10T83/687By tool reciprocable along elongated edge
    • 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
    • Y10T83/00Cutting
    • Y10T83/929Tool or tool with support
    • Y10T83/9457Joint or connection
    • Y10T83/9473For rectilinearly reciprocating tool
    • Y10T83/9481Tool is single element reciprocable along elongate cutting edge [e.g., saw blade, etc.]

Definitions

  • FIG. 2 is a perspective view of the split pin for clamping the saw in the stock, the saw being set in the split thereof.
  • Fig. 8 is a sectional perspective view of the socketed head of the stock.
  • Fig. 4 is a top end view of the stock with saw-blade in it.
  • my invention consists in the tubular guiding-stock,which admits the upper vend of the pitman into it and allows the pitman to deiiect or bend within its lower portion, the said stock constituting a part of the length of the pitman without interfering with its flexibility or rendering the length too great, and also serving as a firm lower support and guide to the saw-blade.
  • the 'stock A is made hollow and out of wrought-iron pipe, so that it,while answering the officedesigned for it,shall havethe requisite strength and stiffness with the least amount of weight.
  • the outer circumference of the stock is made with at portions, and is fitted within guide-boxes a a of a strong bracket, B, of the saw-mill frame, so that it cannot turn, but is l free to move up and down.
  • the pitman Chas its upper end made solid and stiff, as at b,- but below the portion b itis thin and flexible, so that while its solid portion aords a firm and strong support and holdfast to the guidingstock A its flexible portion c shall allow the necessary deflection from a straight line to take place as the eccentric revolves. It will be seen that the portion b of the pitman extends up nearly to the top of the ⁇ guiding-stock from near the middle thereof, and ts snugly to the inner circumference of the same. It will also be seen that the flexible part c extends up into the stock from the bottom of the stock to about the mid. d1ethereof,and there connects with or branches out into the solid portion b, as shown.
  • This arrangement makes the guiding'stock a part of the length of the pitman, and yet does not add greatly to its length necessarily, inasmuch as the full or nearly the full ilexibility of the pitman is allowed to come into play within the tubular stock.
  • the pitman is fastened within the stock and to a socketed head-piece, D, by means of a nut, d, and bolt e, fastening the pitman, as it were, to the end of the saw.
  • the socketed head-piece has a flange or collar near its upper edge and a screw-bolt hole through Y its seat on the bottom of the socket.
  • the saw-blade E which plays up and down through the tableF, is fastened into the/sockethead of the stock A by means of a split collapsible pin, g, and a set-screw, h, the pin fitting down into the socket-piece D and the My improved guiding-stock shortens the Whole length of the reciprocating parts, for if the pitman is attached to the lower end ofthe stock the length of the stock is added to the height of the sawmill, making the distance between the fop ofthe table and the crank o1' eccentric too great; but when the pitman is inserted into my guiding-stock its length is maintained almost completely, and yet a long guidestock for supporting and guiding the lower end of the saw secured, and all within n short distance.
  • the guide-stock is also relieved of 2t portion of the strain by reason of the socketed head being disconnected from the stock and bolted to the pitman.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Description

UNITED STATES PATENT OFFICE.
JOHNRIOHARDS, OF COLUMBUS, OHIO.
IMPROVED SCROLL-SAW STOCK.
S pacification forming'part of Letters Patent No. 35,391, dated May 27, 18.62.
To all whom it may concern.-
Be it known that I, JOHN RIoHARDs, of Columbus, in the county of Franklin and State of Ohio, have invented a new and useful Improvement in Scroll-Saw Stocks; and Ido hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specication, in which-- Figure lis a sectional view of a scrollsaw stock and part of the mill. Fig. 2 is a perspective view of the split pin for clamping the saw in the stock, the saw being set in the split thereof. Fig. 8 is a sectional perspective view of the socketed head of the stock. Fig. 4 is a top end view of the stock with saw-blade in it.
y Similar letters of reference in Vthe several figures indicate corresponding parts.
The nature of my invention consists in the tubular guiding-stock,which admits the upper vend of the pitman into it and allows the pitman to deiiect or bend within its lower portion, the said stock constituting a part of the length of the pitman without interfering with its flexibility or rendering the length too great, and also serving as a firm lower support and guide to the saw-blade.
It consists, second, in a split pin, in combi- ,nation with a tubular or socketed head-piece and a set-screw or its equivalent for fastening the saw-blade in the tubular stock.
It consists, third, inthe socketed perforated head-piece, in combination with the bored pitman, its tapped holdfast, and a headed screwbolt for the purpose of connecting the pitman and tubular stock together.
To enable others skilled in the art to make `and use my invention, I will proceed to describe the same with reference to the drawings.
The 'stock A is made hollow and out of wrought-iron pipe, so that it,while answering the officedesigned for it,shall havethe requisite strength and stiffness with the least amount of weight. The outer circumference of the stock is made with at portions, and is fitted within guide-boxes a a of a strong bracket, B, of the saw-mill frame, so that it cannot turn, but is l free to move up and down.
The pitman Chas its upper end made solid and stiff, as at b,- but below the portion b itis thin and flexible, so that while its solid portion aords a firm and strong support and holdfast to the guidingstock A its flexible portion c shall allow the necessary deflection from a straight line to take place as the eccentric revolves. It will be seen that the portion b of the pitman extends up nearly to the top of the `guiding-stock from near the middle thereof, and ts snugly to the inner circumference of the same. It will also be seen that the flexible part c extends up into the stock from the bottom of the stock to about the mid. d1ethereof,and there connects with or branches out into the solid portion b, as shown. This arrangement makes the guiding'stock a part of the length of the pitman, and yet does not add greatly to its length necessarily, inasmuch as the full or nearly the full ilexibility of the pitman is allowed to come into play within the tubular stock. The pitman is fastened within the stock and to a socketed head-piece, D, by means of a nut, d, and bolt e, fastening the pitman, as it were, to the end of the saw. The socketed head-piece has a flange or collar near its upper edge and a screw-bolt hole through Y its seat on the bottom of the socket.
The saw-blade E, which plays up and down through the tableF, is fastened into the/sockethead of the stock A by means of a split collapsible pin, g, and a set-screw, h, the pin fitting down into the socket-piece D and the My improved guiding-stock shortens the Whole length of the reciprocating parts, for if the pitman is attached to the lower end ofthe stock the length of the stock is added to the height of the sawmill, making the distance between the fop ofthe table and the crank o1' eccentric too great; but when the pitman is inserted into my guiding-stock its length is maintained almost completely, and yet a long guidestock for supporting and guiding the lower end of the saw secured, and all within n short distance. The guide-stock is also relieved of 2t portion of the strain by reason of the socketed head being disconnected from the stock and bolted to the pitman.
I do not claimfastening a saw-blade by means of n set-screw; but
TWhat I do claim as myinvention, and desire to secure by Letters Patent, is-
JOHN RICHARDS. fr.. S.,]
wVl/Titnesses: s
GUsTAvUs Dimnnicn, EDWIN S. JACOB.
US35391D Improved scroll-saw stock Expired - Lifetime US35391A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2634771A (en) * 1949-08-23 1953-04-14 Philip T Gardner Saber saw
US2735685A (en) * 1956-02-21 Chuck for jig saws or the like
US20050049489A1 (en) * 1994-09-16 2005-03-03 Foerster Seth A. Methods for marking a biopsy site

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735685A (en) * 1956-02-21 Chuck for jig saws or the like
US2634771A (en) * 1949-08-23 1953-04-14 Philip T Gardner Saber saw
US20050049489A1 (en) * 1994-09-16 2005-03-03 Foerster Seth A. Methods for marking a biopsy site

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