US934216A - Engraving-machine. - Google Patents

Engraving-machine. Download PDF

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Publication number
US934216A
US934216A US46852608A US1908468526A US934216A US 934216 A US934216 A US 934216A US 46852608 A US46852608 A US 46852608A US 1908468526 A US1908468526 A US 1908468526A US 934216 A US934216 A US 934216A
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United States
Prior art keywords
engraving
machine
chisel
shaft
casing
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US46852608A
Inventor
Arnt Rostad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARTHUR DAVID ANDERSON
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ARTHUR DAVID ANDERSON
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Publication date
Application filed by ARTHUR DAVID ANDERSON filed Critical ARTHUR DAVID ANDERSON
Priority to US46852608A priority Critical patent/US934216A/en
Application granted granted Critical
Publication of US934216A publication Critical patent/US934216A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/28—Means for securing sliding members in any desired position
    • 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
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/50—Planing

Definitions

  • ARNT ROSTAD OF DRONTHEIM
  • My invention relates to means for carrying out that kind of engraving or incision work performed by silversmiths for obtaining ornaments of a dull appearance on plane surfaces.
  • This kind of work is at present, as far as I know, carried out by hand, the tool used being a small chisel (or engraving needle) with a flat point; this chisel is moved along the surface to be provided with ornaments and simultaneously therewith imparted a rocking movement, so that a continuous incision line is made consisting of an uninterrupted series of short fine lines running transversely to the direction, in which the tool is moved over the surface.
  • My invention consists in a device, whereby the chisel is imparted its rocking motion by mechanical means, for instance by way of an electric motor, connected by means of a flexible shaft with the toolholder.
  • Figure l is an axial sectional view and Fig. 2 a plan view of the device; Fig. 3 is a cross section Fig. 4 is a rear view of the back part of the device and Fig. 5 is a diagrammatic illustration of an incision line produced by the device.
  • the casing serves as a handle for manipulating the tool, the operator having only to mow e the tool along the surface in order that the required incisions shall be obtained.
  • a rod m with a screw Z is adjustably fixed by way of a screw 0 in a sleeve 11, which latter is adjustably mounted on the casing e by way of a screw 7).
  • a screw 0 in a sleeve 11 which latter is adjustably mounted on the casing e by way of a screw 7.
  • a chisel In an engraving machine, a chisel, a holder for the same, means whereby to the latter is imparted a rocking movement and a casing in which the parts are mounted and serving as a handle for manipulating the machine.
  • a chisel In an engraving machine, a chisel, a holder for the same, means whereby to the latter is imparted a rocking movement, a casing in which the parts are mounted and which serves as a handle for manipulating the machine and a guide rod adjustably mounted on the said casing for the purpose specified.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Description

A. ROSTAD.
q ENGRAVING MACHINE.
APPLICATION TILED DEG.21, 1908.
. 934 216 r I Patented Sept. 14,1909.
ARNT ROSTAD, OF DRONTHEIM, NORWAY UNITED STATES PATENT OFFICE.
, ASSIGNOR 0F ONE-HALF T0 ARTHUR DAVID- ANDERSON, OF GHRIS'IIANIA, NORWAY.
ENGRAVING-MACHIN E.
To all whom it may concern:
Be it known that I, ARNT RosTAD, a subject of the King of Norway, residing at Drontheim, Norway, have invented certain new and useful Improvements in Engraving- Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.
My invention relates to means for carrying out that kind of engraving or incision work performed by silversmiths for obtaining ornaments of a dull appearance on plane surfaces. This kind of work is at present, as far as I know, carried out by hand, the tool used being a small chisel (or engraving needle) with a flat point; this chisel is moved along the surface to be provided with ornaments and simultaneously therewith imparted a rocking movement, so that a continuous incision line is made consisting of an uninterrupted series of short fine lines running transversely to the direction, in which the tool is moved over the surface.
My invention consists in a device, whereby the chisel is imparted its rocking motion by mechanical means, for instance by way of an electric motor, connected by means of a flexible shaft with the toolholder.
In the annexed drawing I have shown a form of such device, as I prefer to carry it out.
Figure l is an axial sectional view and Fig. 2 a plan view of the device; Fig. 3 is a cross section Fig. 4 is a rear view of the back part of the device and Fig. 5 is a diagrammatic illustration of an incision line produced by the device.
(4 indicates the chisel which is held in the thick part b of the rockshaft d by the screw 0. At the other end the rockshaft carries a.
bifurcated arm it, fixed to the shaft by a screw 9. These parts are inclosed in a casing 6, the latter serving as a bearing for the thick part Z; of the shaft, as shown; at the other end the shaft rests against a screw f,
entering the casing through the head or.
cover 25 of the same.
r 1s a flexible shaft, surrounded 1n a usual way by a flexible tube 9; the latter is adjust- Specification of Letters Patent.
Application filed December 21, 1908.
Patented Sept. 14:, 1909. Serial No. 468,526.
[ ably held in a slot at in the cover 25. On the end of the shaft 7 is fixed a disk j with a crank pin is entering the bifurcation of the arm h. The rotation of the flexible shaft 1 will cause a rocking motion of the arm 7t and shaft (Z with the chisel, and it is obvious, that a regulation of the motion of the chisel will be effected by simply adjusting the shaft 1 in the slot u.
The casing serves as a handle for manipulating the tool, the operator having only to mow e the tool along the surface in order that the required incisions shall be obtained.
In some cases it is required that the incisions are made in a certain distance from and parallel with an edge of the object. To facilitate this kind of Work, a rod m with a screw Z is adjustably fixed by way of a screw 0 in a sleeve 11, which latter is adjustably mounted on the casing e by way of a screw 7). When doing such work the end of the screw Z is held against the edge of the object, thereby steadying the tool.
I claim as my invention:
1. In an engraving machine, a chisel, a holder for the same, means whereby to the latter is imparted a rocking movement and a casing in which the parts are mounted and serving as a handle for manipulating the machine.
2. In an engraving machine, -a chisel, a holder for the same, a bearing for the holder, an arm having a slot therein on the holder, a driving shaft, a crank 011 the latter, the pin of which enters the slot in the said arm, and a casing in which the parts are mounted and which serves as a handle for manipulating the machine.
3. In an engraving machine, a chisel, a holder for the same, means whereby to the latter is imparted a rocking movement, a casing in which the parts are mounted and which serves as a handle for manipulating the machine and a guide rod adjustably mounted on the said casing for the purpose specified.
In testimony that I claim the foregoing as my invention, I have signed my name in presence of two subscribing witnesses.
ARNT ROSTAD.
lVitnesses:
SVIRRI BERG, M. GRAM. p
US46852608A 1908-12-21 1908-12-21 Engraving-machine. Expired - Lifetime US934216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US46852608A US934216A (en) 1908-12-21 1908-12-21 Engraving-machine.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46852608A US934216A (en) 1908-12-21 1908-12-21 Engraving-machine.

Publications (1)

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US934216A true US934216A (en) 1909-09-14

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US46852608A Expired - Lifetime US934216A (en) 1908-12-21 1908-12-21 Engraving-machine.

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