US324688A - haesteom - Google Patents

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US324688A
US324688A US324688DA US324688A US 324688 A US324688 A US 324688A US 324688D A US324688D A US 324688DA US 324688 A US324688 A US 324688A
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Prior art keywords
lever
belt
machine
shaft
spindle
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/16Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
    • B23G1/18Machines with one working spindle
    • B23G1/185Machines with one working spindle specially adapted for making nuts
    • 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
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/47Cutting by use of rotating axially moving tool with work-infeed means
    • Y10T408/482Driven by means having sliding engagement therewith

Definitions

  • Our invention relates-to that class of drilling-machines designed only for very small work, and which are clamped to a bench or table when in use,and may be put to one side,
  • Figure 1 is an elevation of the entire machine.
  • Fig. 2 represents the construction of a part of the bench-clamp used.
  • Fig. 3 is a top view of the feeding-lever.
  • Fig. 4 is atop view of the driving-pulleys.
  • the bench-clamp A is provided with a clamping-socket, a, constructed as shown in Figs. 1 and 2.
  • a clamping-socket a, constructed as shown in Figs. 1 and 2.
  • the vertical shaft or post 1' is securely held.
  • the table-braeket C On the shaft B we place the table-braeket C, which is free to be moved vertically on and swung to the right or left around B. It may also be firmly held in any desired position on the shaft by means of the tightening-screw c, as that part of the bracket encircling the shaft is made in the form of a clamp, as shown at I in Fig. 1. This is a common method of holding such brackets. In place of the slot and screw c, a set-screw may be inserted to answer parts throughout the thesame purpose. The other end of the bracket is bored to receive the tables spindle D, and it also carries an extension,d, to which is pivoted at e the feeding-lever E.
  • p in the lever E is to at'tbrd means for lifting the lever by footpressure. This is done by connecting the lever by a cord or cords in the holes to a small treadle on the floor.
  • the upper end of the shaft B supports the drillspindle frame H, its distinctive feature consisting of its adaptability to be raised, lowered, or swung to the right or left. It is held in place by the set-screwy; or it may be clamped in a manner similar to that employed for the table-bracket.
  • the drill-spindle J is bored to receive a common form of jewelers drill-chuck, and is driven in an ordinary manner by miter-gears 7,: 7.1. Gear-wheels may be used to propel the horizontal shaft Lto which 7c is attached; but we prefer the belt method here shown.
  • L is a small pulley, preferably a cone, as shown, to afford easy changes of speed. .K is
  • a driving-pulley likewise made in the form of v a cone.
  • the belt is passed over these two pulleys, in the usual manner, the actual belt-surface on the small cone is too small for the work to be done.
  • ⁇ Ve therefore place the belt as shown in the illustrationsi. c., cross itobtaining nearly theentire periphery of the pulle, as belt-surface; but it gives the The object of the ICO 'pulley L; also, by raising or lowering the clamp M the tension of the belt can be varied; also, by swinging shaft at slightly out of parallel with shaft Z the rubbing together of the belt at its point of crossing, 0, is avoided, as will be more clearly seen in Fig. 4, which is a view looking down upon the two pulleys.
  • O is a handle for turning the driving-wheel and propelling the machine.
  • the whole is secured to a bench or table by means of the clamp A, as shown.
  • a feeding-lever In combination with a table having a threaded guiding spindle and clamping-nut, as described, a feeding-lever, substantially as herein shown.
  • adjustable spindle-frame In a drilling-machine, the adjustable spindle-frame, vertical shaft, adjustable balance-wheel support, adjustable table-bracket, feeding-lever and its supporting-arm, threaded clamping-nut. threaded table-spindle,and table, all combined as described, for the purposes set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Description

(No Model.)
0. G. HARSTROM & A. K. WESTERDAHL.
DRILLING MACHINE.
No. 324,688. Patented Aug. 18, 1885.
Fig.3
Witness es: Inventor llnirnn STATES PATENT CARL G. HARSTRDM AND AXEL K. \VESTERDAHL, OF PEFKSKTLL, N. Y.
DRILLING-MACHINE.
SPECIFICATION forming part of Letters Patent No. 324,688, dated August 18, 1885.
Application filtd July 7, 1884. (No model.)
To all whom it may concern:
Be it known that we, CARL G. I-IARs'rRoM and AXEL K. WESTERDAHL, citizens of the United States, residing at Peekskill, in the county of \Vestchester and State of New York, have invented a new and useful Hand Drilling-Machine,of which the following is a specification.
Our invention relates-to that class of drilling-machines designed only for very small work, and which are clamped to a bench or table when in use,and may be put to one side,
out of the way, when they are not needed; and the object of our improvements is to afford a simple drill, chiefly for watch-makers and jewelers use,'that shall possess advantages not before obtained in any similar tool for such use. The universal swiveling of the parts, the easy drivinggear, and the we tremely sensitive method of feeding give a combination of qualites that years of experience as practical watch-makers and jewelers and as mechanicians have proved to us is greatly in demand. Nearly all the work that is done with a bow-drill can be performed with this too1,not only in much less time, but in. a manner far more satisfactory. WVe attain these objects by the mechanism illustrated in the accompanying drawings, in which similar letters refer to similar several views.
Figure 1 is an elevation of the entire machine. Fig. 2 represents the construction of a part of the bench-clamp used. Fig. 3 is a top view of the feeding-lever. Fig. 4 is atop view of the driving-pulleys.
The bench-clamp A is provided with a clamping-socket, a, constructed as shown in Figs. 1 and 2. In this socket, by means of the tightening-screw I), the vertical shaft or post 1'; is securely held.
On the shaft B we place the table-braeket C, which is free to be moved vertically on and swung to the right or left around B. It may also be firmly held in any desired position on the shaft by means of the tightening-screw c, as that part of the bracket encircling the shaft is made in the form of a clamp, as shown at I in Fig. 1. This is a common method of holding such brackets. In place of the slot and screw c,a set-screw may be inserted to answer parts throughout the thesame purpose. The other end of the bracket is bored to receive the tables spindle D, and it also carries an extension,d, to which is pivoted at e the feeding-lever E.
F is the table on which pieces to be drilled are placed. On the spindle D,which is firmly and truly fixed to the table F, a screw-thread is out, and upon it is a clamping-nut, f. By means of the screw 9 this nut is held at a desired position. lts object is to regulate the height of the table. As the work to be drilled or tapped 0r polished is held with the fingers, the ball of the hand rests upon the broad part G of the lever E, so. that the operator feels the action of the drill or tap and can feed accordingly. The short end of the lever E is forked to reach up on opposite sides of D, and its ends lie centrally under the nut or clamp f. Depressing the outer end of the lever obviously lifts the table. To prevent the table turning, Dis provided with groove 71, which slides upon a pin provided at Fig. 3 is a top view of the lever E. holes 1) p in the lever E is to at'tbrd means for lifting the lever by footpressure. This is done by connecting the lever by a cord or cords in the holes to a small treadle on the floor.
The upper end of the shaft B supports the drillspindle frame H, its distinctive feature consisting of its adaptability to be raised, lowered, or swung to the right or left. It is held in place by the set-screwy; or it may be clamped in a manner similar to that employed for the table-bracket. The drill-spindle J is bored to receive a common form of jewelers drill-chuck, and is driven in an ordinary manner by miter-gears 7,: 7.1. Gear-wheels may be used to propel the horizontal shaft Lto which 7c is attached; but we prefer the belt method here shown.
L is a small pulley, preferably a cone, as shown, to afford easy changes of speed. .K is
a driving-pulley, likewise made in the form of v a cone. Now, it the belt is passed over these two pulleys, in the usual manner, the actual belt-surface on the small cone is too small for the work to be done. \Ve therefore place the belt as shown in the illustrationsi. c., cross itobtaining nearly theentire periphery of the pulle, as belt-surface; but it gives the The object of the ICO 'pulley L; also, by raising or lowering the clamp M the tension of the belt can be varied; also, by swinging shaft at slightly out of parallel with shaft Z the rubbing together of the belt at its point of crossing, 0, is avoided, as will be more clearly seen in Fig. 4, which is a view looking down upon the two pulleys. As
the belt travels in grooves in the pulleys, this vagary of position does not render the belt liable to run off the pulleys.
O is a handle for turning the driving-wheel and propelling the machine. The whole is secured to a bench or table by means of the clamp A, as shown.
We claim the privelege of departing from the details of construction herein represented, so long as we adhere to the essential features pointed out.
Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is-
1. In a hand drilling-machine, the combination, with the feeding-table, of a guidingspindle provided with a screw-thread and a clamping-nut, substantially as described.
2. In combination with a table having a threaded guiding spindle and clamping-nut, as described, a feeding-lever, substantially as herein shown.
, 3. In a hand drilling-machine, the combination of the vertical shaft or post and adjustable balance-wheel support, for the purposes set forth.
4. The combination, in a hand drilling-machine, of the adjustable spindle-frame, vertical shaft or post, and adjustable balancewheel support, substantially as shown and described.
5. In a drilling-machine, the adjustable spindle-frame, vertical shaft, adjustable balance-wheel support, adjustable table-bracket, feeding-lever and its supporting-arm, threaded clamping-nut. threaded table-spindle,and table, all combined as described, for the purposes set forth.
OARL t HARSTRGM. AXEL K. \VESTERDAHL.
Witnesses:
AUGUST PETERSON, CHARLES M. HAUF.
US324688D haesteom Expired - Lifetime US324688A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541814A (en) * 1968-05-08 1970-11-24 Gen Electric Extraction system for washing machine
US6575212B2 (en) * 2000-04-28 2003-06-10 Gilman Engineering & Manufacturing Co. Llc Adjustable height workstation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541814A (en) * 1968-05-08 1970-11-24 Gen Electric Extraction system for washing machine
US6575212B2 (en) * 2000-04-28 2003-06-10 Gilman Engineering & Manufacturing Co. Llc Adjustable height workstation

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