US229908A - Edwaed nunatf - Google Patents

Edwaed nunatf Download PDF

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Publication number
US229908A
US229908A US229908DA US229908A US 229908 A US229908 A US 229908A US 229908D A US229908D A US 229908DA US 229908 A US229908 A US 229908A
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saw
sleeves
ot
nunatf
edwaed
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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
    • B23D49/00Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
    • B23D49/007Jig saws, i.e. machine saws with a vertically reciprocating narrow saw blade chucked at both ends for contour cutting
    • 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
    • Y10T83/6875With means permitting tool to be rotatably adjusted about its cutting edge during cutting
    • 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
    • Y10T83/69Stored energy furnishes drive in one direction
    • 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
    • Y10T83/869Means to drive or to guide tool
    • Y10T83/8696Means to change datum plane of tool or tool presser stroke
    • 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
    • Y10T83/869Means to drive or to guide tool
    • Y10T83/8789With simple revolving motion only

Description

E. NUNAN. Scroll Sawing Machine.

No; 229,908. Patented Ju|y13, 1880.

Whiz/dw /Q Wwf@ i7 NETERS, PHOO-LQTHOGRAPHER. WASHINGTON. D C.

UNITED STATES PATENT OFFICE.

EDWARD NUNAN, OF SAN FRANCISCO, CALIFORNIA.

SCROLL-SAWING MACHINE.

SPECIFICATION forming part of Letters Patent No. 229,908, dated July 13, 1880.

Application filed December 8, 1879.

To all whom t may concern:

Be it known that I, EDWARD NUNAN, ot' the city and county ot' San Francisco, and State of California, have invented a new and useful Improvement in Scroll-Sawing Machines, of which the following is a specification.

The object of this invention is to revolve a scroll-cutting saw without giving` motion to the table or frame in which the saw may be held, so that it may cut in any direction, avoiding the necessity' of turning the lumber being cut, which is often difticult when it is long or heavy. This difficulty is avoided in this invention by having the saw-rods work through loose sleeves and made to turn with them, the sleeves being turned by means ot' gearing. The upper and lower ends of the saw-rod Work with a swivel, allowing it to be turned in the direction required. The direction is regulated by means ot' a disk provided with radial grooves that gear to a driving or intermediate rod. This disk is placed so that it can be worked with the hand, foot, or leg, as most convenient to the operator.

In the annexed drawings, making a part of this specification, Figure 1 is a front elevation. Fig. 2 is a vertical section, showing the sleeve and saw-rod working in it.

The same letters are employed in all the iigures in the indication of identical parts.

The sleeves A A, one above and the other below the table, are made ot' a cylindrical piece of material (wood or metal) hollowed out in the center to allow the saw-rod to pass. rlhese sleeves turn in the bearings B and C, B and C', which are made fast to the cross-pieces X and X of the frame. Said sleeves are made to revolve b v means of friction-wheels7 gearing, or endless chain, connecting them with and driving them by a driving or intermediate rod, to which is connected the adjuster E.

The saw-rods P and P are made to swivel at R and R', so that while they play longitudinally through the sleeves A A they will turn with them, as hereinbefore described. To and between said rods P and P the saw W is adjusted.

Instead ot' the disk shown, a drum or platform may be substituted, extending the entire length of the frame, so that it may be operated by the Sawyer standin g at any part of the table. v

The machine, as illustrated, shows the adjusrer connected with the sleeves through the train ot' gearing F M N N M K K D D; but the construction may be varied by the substitution of other equivalent and well-known devices.

The mechanism for operating the saw and for attaching the same, as shown at Q Q P P S, is well known and need not be particularly'deseribed, as the same forms no part of my invention.

What I claim as my invention, and desire to secure by Letters Patent, is-

The combination ot' the adjuster E, sleeves A A, saw W, rods P and P', and intermediate gearing, constructed to operate substantially as shown and described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

ED WD. N UN AN.

WVitnesses:

J. W. REAY, A. J. SHRADER.

US229908D Edwaed nunatf Expired - Lifetime US229908A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611399A (en) * 1949-09-23 1952-09-23 Jacobson William Drag saw having angularly adjustable blade
US4116101A (en) * 1976-06-24 1978-09-26 Toshiba Kikai Kabushiki Kaisha Automatic fret sawing machines
US20040120216A1 (en) * 2002-12-23 2004-06-24 Donthnier Thomas S. Power bowl lift, motor mount and tensioner for mixing machine
US20050090004A1 (en) * 2003-01-16 2005-04-28 Sayre Chauncey B. Stem cell maturation for all tissue lines
US6935216B1 (en) * 2000-08-02 2005-08-30 Premark Feg L.L.C. Belt tensioning device
US20050257383A1 (en) * 2004-05-18 2005-11-24 Phil Million Output shaft assembly for power tool and power tool incorporating such assembly

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611399A (en) * 1949-09-23 1952-09-23 Jacobson William Drag saw having angularly adjustable blade
US4116101A (en) * 1976-06-24 1978-09-26 Toshiba Kikai Kabushiki Kaisha Automatic fret sawing machines
US6935216B1 (en) * 2000-08-02 2005-08-30 Premark Feg L.L.C. Belt tensioning device
US20040120216A1 (en) * 2002-12-23 2004-06-24 Donthnier Thomas S. Power bowl lift, motor mount and tensioner for mixing machine
US6883959B2 (en) 2002-12-23 2005-04-26 Premark Feg L.L.C. Power bowl lift, motor mount and tensioner for mixing machine
US20050141340A1 (en) * 2002-12-23 2005-06-30 Donthnier Thomas S. Power bowl lift, motor mount and tensioner for mixing machine
US7014354B2 (en) 2002-12-23 2006-03-21 Premark Feg L.L.C. Power bowl lift, motor mount and tensioner for mixing machine
US20050090004A1 (en) * 2003-01-16 2005-04-28 Sayre Chauncey B. Stem cell maturation for all tissue lines
US20050257383A1 (en) * 2004-05-18 2005-11-24 Phil Million Output shaft assembly for power tool and power tool incorporating such assembly

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