US686227A - Coping or scroll saw. - Google Patents

Coping or scroll saw. Download PDF

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Publication number
US686227A
US686227A US4955501A US1901049555A US686227A US 686227 A US686227 A US 686227A US 4955501 A US4955501 A US 4955501A US 1901049555 A US1901049555 A US 1901049555A US 686227 A US686227 A US 686227A
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United States
Prior art keywords
stub
shaft
coping
saw
teeth
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Expired - Lifetime
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US4955501A
Inventor
Arthur Jones
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Individual
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Priority to US4955501A priority Critical patent/US686227A/en
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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
    • B23D51/00—Sawing 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
    • B23D51/08—Sawing 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 devices for mounting straight saw blades or other tools
    • B23D51/12—Sawing 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 devices for mounting straight saw blades or other tools for use with tools, dealt with in this subclass, which are connected to a carrier at both ends, e.g. bows adjustable in length or height
    • B23D51/14—Attachment of the tool

Definitions

  • the principal object of the invention is to provide a new and improved saw to be operated by hand for cutting out intricate patterns in pieces of various kinds of material for ornaments and for doing other curved or irregular work which shall be simple and durablein construction and arranged for conven ient adjustment to permit of the saw-blade being turned in its bearings to any desired angle, thus enabling the cut or incision to be made in any direction from the operator.
  • Another object of the invention is to furnish means for firmly holding the ends of the blade in the shafts therefor.
  • FIG. 1 is a View in side elevationof a saw embodying my invention.
  • Fig. 2 is a View, partly in elevation and partly in section,-of one of the stub-shafts for holding one end of the saw-blade.
  • Fig. 8 is a viewin elevation of a portion of the handle and frame, showing a modification in the means for adj ustin g and holding the blade at diiferent angles.
  • Fig. 4 is a similar view of the opposite end of the frame, also showing a modification for a like purpose; and
  • Fig. '5 is an end view of one of the stub-shafts used in said modified constructions.
  • A represents the frame, which may be made of metal or other suitable material and of any desired shape in cross-section, but preferably cylindrical or tubular, and is bent to form three sides of substantially a rectangular figure.
  • the end of the frame to which the handle B is connected is provided with a. bearing-piece or journal-box A, which'is preferably tubular in form and has on its outer end or surface a series of teeth av to engage the serrated surface of a disk or collar 0, secured on the stub-shaft D, which is journaled in the bearing A and has secured to its outer end the handle 13, which may be of wood or other suitable material.
  • the inner or free end of the stub-shaft D is provided with a slot d, thus splitting said end, so as to receive the end of the blade d, which may be held in position by means of a collar E, which encircles the split portion of the stub-shaft and is provided with a setscrew e, which fits in a countersunk depression e in the stub-shaft.
  • the opposite end of the frame A from that on which the handle is secured is also provided with a bearingpiece or journal-box A of the construction just above described.
  • a stub-shaft D which is of the same construction as the one above described, but has on its outer end a milled disk or button 0, which is provided on its inner surface with serrations c to engage the teeth a on the piece A or journal-box.
  • Figs. 3 and 4 of the drawings I have shown a modification in the construction of the stub-shafts, which consists in providing the shaft D with projections b to engage the teeth a on the bearing-piece A for the stubshaft.
  • the projections 12 may be made integral with the shaft or may be separated therefrom and secured in suitable openings therein; but I prefer the former construction.
  • the stub-shaft D is provided with a thumb-piece g to be used for turning the same, and it is also provided with projections b to engage the teeth a on the bearing-piece A for said stub-shaft.
  • the handle and button 0' or thumb-piece 9 may be turned in the proper direction, when the teeth or projections adjacent to the handle and those on the thumb-piece or button will engage the teeth or serrations on the outer ends of the bearings for the stub-shafts, and thus hold the saw-blade in the desired position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Surgical Instruments (AREA)

Description

No. 686,227. Patented Nov. 5, 1901;
A. JONES.
COPING 0B SCROLL SAW.
(Application filed Mar. 2, 1901.)
(No Model.)
Whxwsses: Rwemkov,
% ox M NITED STATES.
PATENT OFFICE.
ARTHUR JONES, OF CHICAGO, ILLINOIS.
COPING OR scaou. SAW.
SPECIFICATION forming part of Letters Patent No. 686,227, dated November 5, 1901.
' Application filed March 2, 1901. $eria1No. 49,555. (No model.)
To aZZ wit/017?, it Tmay concern.-
Be it known that I, ARTHUR JONES, a subjcct of the King of Great Britain, residing at in the claim.
The principal object of the invention is to provide a new and improved saw to be operated by hand for cutting out intricate patterns in pieces of various kinds of material for ornaments and for doing other curved or irregular work which shall be simple and durablein construction and arranged for conven ient adjustment to permit of the saw-blade being turned in its bearings to any desired angle, thus enabling the cut or incision to be made in any direction from the operator.
Another object of the invention is to furnish means for firmly holding the ends of the blade in the shafts therefor.
The invention contemplates other objects, which will be disclosed in the subjoined description and explanation.
In order to enable others skilled in the art to which my invention pertains to made and use the same, I will now proceed to describe it, referring to the accompanying drawings, in which- Figure 1 is a View in side elevationof a saw embodying my invention. Fig. 2 is a View, partly in elevation and partly in section,-of one of the stub-shafts for holding one end of the saw-blade. Fig. 8 is a viewin elevation of a portion of the handle and frame, showing a modification in the means for adj ustin g and holding the blade at diiferent angles. Fig. 4 is a similar view of the opposite end of the frame, also showing a modification for a like purpose; and Fig. '5 is an end view of one of the stub-shafts used in said modified constructions.
Similar letters refer to like parts throughout the difierent views of the drawings.
A represents the frame, which may be made of metal or other suitable material and of any desired shape in cross-section, but preferably cylindrical or tubular, and is bent to form three sides of substantially a rectangular figure. The end of the frame to which the handle B is connected is provided with a. bearing-piece or journal-box A, which'is preferably tubular in form and has on its outer end or surface a series of teeth av to engage the serrated surface of a disk or collar 0, secured on the stub-shaft D, which is journaled in the bearing A and has secured to its outer end the handle 13, which may be of wood or other suitable material.
The inner or free end of the stub-shaft D is provided with a slot d, thus splitting said end, so as to receive the end of the blade d, which may be held in position by means of a collar E, which encircles the split portion of the stub-shaft and is provided with a setscrew e, which fits in a countersunk depression e in the stub-shaft. The opposite end of the frame A from that on which the handle is secured is also provided with a bearingpiece or journal-box A of the construction just above described. Within this piece is located a stub-shaft D, which is of the same construction as the one above described, but has on its outer end a milled disk or button 0, which is provided on its inner surface with serrations c to engage the teeth a on the piece A or journal-box.
In Figs. 3 and 4 of the drawings I have shown a modification in the construction of the stub-shafts, which consists in providing the shaft D with projections b to engage the teeth a on the bearing-piece A for the stubshaft. In this construction the projections 12 may be made integral with the shaft or may be separated therefrom and secured in suitable openings therein; but I prefer the former construction.
In the construction shownin Fig. 4 of the drawings the stub-shaft D is provided with a thumb-piece g to be used for turning the same, and it is also provided with projections b to engage the teeth a on the bearing-piece A for said stub-shaft.
By inserting the ends of the saw in the slots d of the stub-shafts it is apparent that they will be firmly held in position by tightening the thumb-screws e,which will have the effect of causing the forks of the shafts to be pressed toward each other, thus clam ping them tightly on the blade. When it is desired to turn the blade, the handle and button 0' or thumb-piece 9 may be turned in the proper direction, when the teeth or projections adjacent to the handle and those on the thumb-piece or button will engage the teeth or serrations on the outer ends of the bearings for the stub-shafts, and thus hold the saw-blade in the desired position.
Having thus fully described my invention, WhatI claim as new, and desire to secure by Letters Patent, is-
The combination with a flexible frame provided at its ends with hearings or journalportion to engage the teeth or serrations of 20 said bearing, a stub-shaft journaled in the other bearing on the frame and having its inner end provided with a slot and means fixed on its outer portion to turn the shaft and to engage the teeth or serrations on its 25 bearing, substantially as described.
- ARTHUR JONES. 'W itnesses:
CHAS. O. TILLMAN, A. GUsTAFsoN,
US4955501A 1901-03-02 1901-03-02 Coping or scroll saw. Expired - Lifetime US686227A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840059A (en) * 1973-04-23 1974-10-08 B Ingro Hack saws
US5675900A (en) * 1995-09-11 1997-10-14 Scies Miniatures S.A. Saw blade-holder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840059A (en) * 1973-04-23 1974-10-08 B Ingro Hack saws
US5675900A (en) * 1995-09-11 1997-10-14 Scies Miniatures S.A. Saw blade-holder

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