US5614A - Machinery for cutting cog-wheels - Google Patents

Machinery for cutting cog-wheels Download PDF

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US5614A
US5614A US5614DA US5614A US 5614 A US5614 A US 5614A US 5614D A US5614D A US 5614DA US 5614 A US5614 A US 5614A
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wheel
cutter
cogs
mandrel
wheels
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F23/00Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/08Index mechanisms
    • 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
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/10Gear cutting
    • Y10T409/10954Work dividing or checking of work position or division

Description

UNITED sTATEs PATENT onrioE.
J. P. GAUME, OF CINCINNATI, OHIO.
MACHINERY FOR CUTTING COG-WHEELS, 86C.
Specication of Letters Patent No. 5,614, dated June 6, 1848.
To all whom t may concern Be it known that I, JosEPH P. GAUME, of Cincinnati, in the county of Hamilton and State of Ohio, have invented new and useful Improvements in Cutting Engines or Machines for Dividing and Cutting Teethl of Cog-Wheels, and that the following is a full, clear, and exact description of the principle or character which distinguishes them from all other things before known and of the manner of making, constructing, and using the same, reference being had to the accompanying drawings, making part of this specification, in which- Figure l is a plan Fig. 2 a front, and Fig. 3 a side elevation.
The same letters indicate like parts inf-all the figures.
The leading object of my invention is to adapt the common lathe, by the addition of certain parts, to the cutting of cog wheels, chiey for the use of small shops and manufactories where a lathe and cutting engine are only required occasionally. And the nature of the iirst part of my invention consists in adding to a lathe, and in combination with the mandrel thereof, a puppet made in two parts for carrying the cutter the lower half to be attached in the usual manner to the bench and connected with the upper one by an inclined plane that the upper part may slide on the lower one at an angle of forty five or any other number of degrees, for the purpose of carrying the cut-ter or bur over the wheel in the operation of cutting the cogs of beveled wheels.
yThe second partl of my invention consists in combining with this puppet the cutter frame which carries the spindle of the cutter or bur, by means of an adjustable horizontal slide on which the cutter frame moves back and forth to carry the cutter over the wheel in which the cogs are to be out, the said slide being a plate with dove tail or other formed edges embraced by or embracing the cutter frame and attached at one end by'a fixed bolt to the top plate of the puppet, andA at the other by a screw bolt that passes through a curved slot, whereby the cutter frame may be made to carry the cutter, in its horizontal motion diagonally with the axis of the mandrel for the cutting of diagonal cogs, the spindle of the cutter or bur having its bearings in an adjustable ter frame to adapt the cutter to wheels of l different diameters), by means of a xed bolt on one side and a screw bolt passing through a curved slot on the other that the axis of the cutter may be placed at any angle with a vertical line. part of my invention relates to the method of dividing the cogs, and consists in placing the index wheel on a slide that it may be adjusted to a wheel of any desired num* ber of cogs on an arbor that communi- Cates by a screw, or its equivalent, to the mandrel which carries the wheel to be cut, so that by merely changing the wheel on this arbor a single division index may be used for the cut-ting of any desired number of cogs. And the fourth part of my invention consists in combining the vdividing apparatus with the mandrel of a lathe by means And the third of cogs on the pulley of the mandrel or on c the mandrel, the dividing apparatus being so arranged that it can be 'thrown in and out of gear.
In the accompanying drawings (a) represents the bench of the lath, and (b) the mandrel with its set of cone pulleys (o) the face of the larger one of which is a crown cog wheel (CZ) the cogs 0f which engage with the threads of an endless screw on an arbor (e) (the threads of the screw are shown by dotted lines in the plan Fig. l). One end of this arbor runs on the point of a pivot screw (f) and the other has a long journal that runs in a box in a standard (g) attached to the bench or the puppet head of the mandrel, so that when the rear end is liberated from the pivot screw the arbor can be moved far enough in the standard (g) to carry the threads of the screw out of the cogs of the crown wheel that the mandrel may be used for turning the wheel (h), in this way the wheel can be made with great accuracy for it is turned and cut on the same mandrel, and therefore there is no danger of not having it properly centered. When 'the wheel is to be cut the arbor (e) is properly mounted and its outer end is adapted by a collar and nut to receive a spur wheel (j) of any desired, number yof cogs which take into the cogs of the wheel (7c) one face of which is provided with the division plate or index (Z) and the other with a handle (m) for turning it. rIhis wheel is fitted to, and.
v (r) is used to catch in the notches of the j, cogs on bevel wheels then the cutter index o-r division plate (Z).
From the foregoing it will bey seen that with any given size of wheel on the arbor (e) the number of cogs to be cut may be varied by the motions of the dividing or index wheel, as in the ordinary dividing engine, and that by changing, the wheel on the arbor (c) any variation can be given to these divisions.
The wheel having been turned and the dividing apparatus put in connection-the centering puppet head (s) of the lathe is thrown back and the extra puppet (t) is se cured in place on the bench. This puppet is made in two parts (t, t) connected together by a dovetail or other slide (u) at an angle of 45 or any other number of degrees with the plane of the bench. The lower half (t) is secured to the bench and the other (t') can be made to slide on itV by means of a handle or lever (o) that turns on a fulcrum pin (fw) attached to t-he lower half and connected with the upper half by a pin (m) that passes through a slotted holev in a well known manner. The top plate of the upper half is on a plane parallel with the mandrel and has a dovet-ail slide (y) connected with it at the forward end by a fixed bolt (a) (see Fig. 4 .which is a plan view of this part) and, at the other end by a screw bolt (a') that passes through a curved slot (see dotted lines) in the top v plate, so that any horizontal inclination desired may be given to this slide, whichA is f embraced by the bottom plate (b') of the cutter frame (0') which can be made to slide thereon by a handle or lever (d') that turns on a fulcrum pin' attached to the puppet and connected with the cutter frame by a joint link (t'), so that by the motion of this lever the attendant'carries the cutter back andforth horizontally over the edge of the wheel to be cut for cutting spur cogs in a direction parallel with the axis of the mandrel, or inclined therewith as the slide may be set, to be indicated by a pointer (f') on the cutter frame, and an index (g') on the top plate of the puppet. But when the machine is t-o be used for cuttin the rame is carried by sliding the upper part (t) of the puppet head on the lower part (t) the inclination of this slide determining the bevel of the cogs cut.
to give any desired inclination to the axis.
of the cutter; and this last named plate is provided with dovetail ways in which slides the cutter carrier (m'), which is a. frame in which are the bearings' of the spindle (n') of the cutter (0') so that this may be -regulated endwise by a set screw (72'). The
cutter is rotated bya belt (g') that passes from any first mover over a pulley (7") on the spindle.
`I4`rom the foregoing it .will be seen that the cutter can be adjusted in any direction relatively to the axis of the mandrel that carries the wheel to be cut, and that by means of one of the handles or levers the cutter frame can be moved back and fort-h to cut t-he cogs by sliding the cutter carriage on the puppet in a horizontal plane parallel with the axis of the mandrel, which by the adjustment of the Ways or slide on the puppet may be adjusted to move in a vertical plane projected from the axis of the mandrel or at an yinclination therewith to cutoblique cogs;,or b means of the other handle that the'cutter rame may be made to move with the upper part of the puppet on an inclined plane to cut the cogs of bevel cog wheels. It will be obvious from the above that the plane of the junction of the 'two halves of the puppet lmay be made at any inclination desired to suit the bevel of the wheel intended to be cut.
Vhat I claim as my invention and desire to secure by Letters Patent is- 1. Making the lpuppet which carries the inclined plane that one may slide on the y other for cutting the cogs of bevel wheels in combinationy with the cutter frame that slides thereon, substantially as described.
2. And I also claim the cutter frame and double puppet combined together as herein described in combination w1th the mandrel of the lathe substantially as described.
3. I also claim the method of adapting the index or division plate that has but one set of divisions to any division of cogs desired to be cut by means of shifting t-he wheel on the arbor that communicates motion to the mandrel in combination with the sliding connection of the index or division wheel, substantially as described, whereby numerous divisions on the index plate is avoided. A
4:. And iinally I claim the dividing ap'- cutter frame in two `parts separated by an j paratus in combination With the mandrel of whereby also the turning lathe may be used a lathe by means of the cog Wheeldani pulfor a cutting engine, as described.`
leys ut on one and the same man re substantliblly as described, .whereby 'the Wheels J' P' GAUME to be eut can be turned and cut on the same Witnesses:
mandrel Without being removed therefrom L. SAWYER,
to insure good Work as described, and E. SINGER.
US5614D Machinery for cutting cog-wheels Expired - Lifetime US5614A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050079102A1 (en) * 2003-10-14 2005-04-14 Staton Kenneth L. Interrogation apparatus
EP2174880A1 (en) 2008-10-08 2010-04-14 Zeta Holding GmbH Device for holding containers and accompanying container
WO2014053821A1 (en) 2012-10-01 2014-04-10 Rothamsted Research Limited Recombinant organisms
EP3736346A1 (en) 2015-01-09 2020-11-11 Gen-Probe Incorporated Methods and compositions for diagnosing bacterial vaginosis

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050079102A1 (en) * 2003-10-14 2005-04-14 Staton Kenneth L. Interrogation apparatus
EP2174880A1 (en) 2008-10-08 2010-04-14 Zeta Holding GmbH Device for holding containers and accompanying container
WO2014053821A1 (en) 2012-10-01 2014-04-10 Rothamsted Research Limited Recombinant organisms
EP3736346A1 (en) 2015-01-09 2020-11-11 Gen-Probe Incorporated Methods and compositions for diagnosing bacterial vaginosis

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