US306404A - of ihtts vi lli - Google Patents

Description

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(No ModeL) J. J. KRAUS.

MOBTISING "M- GHINR No. 306,404. Patented Oct. 14, 1884.

Wifqesses;

N. PETERS. Pnmu-Limu r. wm'l-gm ucf v QrosmirrJ. Keane, or rrrrsvnitn, Wisconsin.

MORTISINQ-MACHINEV fiSPECIFICATION forming part of Letters Patent Ncieoaeioe', dated @ctober 14, 1884.

application filed March 8, N84. (No model.)

ville, in the county'of WVo'od and State of we.

cousin, have invented a new and .usefnlIInprovement in Macljiines for Relnortising and Finishing Carriage-Hubs, of which the follow ing is a specification. My invention relates to improvements in re- 1nort1s1ng and finishing the outer surface of 7, wood carriage-hubs around said mortises after they have become tliioroughly seasoned, they belngmanufactured from logs of'the proper .diamete and required length for the hub desired by being iirst bored for the insertion of the axle, their outer surface then turned to the size desired, then bored and mortised for the reception of the spokes, after which they are steamed and dried. Itis wellknown that the two latter processes materially change their form and sizeand the size of their 1nortises one from the other. i

My invention consists of mechanism for the manufacture of hubs having their mortises for the reception of spokes of uniform width, one end thereof being formed at such uniform an gle with the face or outward end of the hub that upon the insertion of spokes therein a uniform dish of the wheel of the desired the mechanism illustrated in the accompanying drawings, in which- Figure 1 is afront elevation of the entire machine. Fig; 2 is a plan of thesaine below the lines 50, Fig. 1, the parts out by said line being in section. Fig. 3 is an elevation of the rotary cutting inechai'l'isrn as'viewed from the rearofliigs. land 2 in its application to the frame. Fig, 4 is a vertical section of the 'c'lanipil'ig-plate under which the hubs are retained for theaction thereon of thecuttingtools, and the rateliiet-wheel and lever for redvO1-ee1 the sameyand showing the manner of their application to the spindlcf. Fig. 5is a plan of the chuck in which the hubs are placed for the operation of the cutters thereon. Fig.

wheel, and lever, (referred to in Fig. 4,) and for acting upon the spring 0, Fig. has will "be hereinafter explained. Fig? is a vertical parts in connection with it, upon the line at m of Fig. 2; and Fig. 8 is a plan of the lower flange or plate forming the cutter-head.

Similar letters of reference indicate corre- A represents the frame of the machine, supported upon the legs a a, secured to it, and which is preferably made of cast-iron, to which is attached the mechanism composing this invention. p

B is a standard having a base, I), and resting upon the ways a, said ways being formed upon the surface of the frame A. I

C G are brackets attached to the standard I) is a hub-chuck supported and revolving freely upon its shaft d in thebracket 0'. Upon the upper extremity of said shaft is the plate cl and ways (1", said ways being at right an e is a screw-shaft revoluble in the bearing 0, and prevented from longitudinalmovement therein by collars A portion of said shaft has formed upon one extremity a right-hand thread of similar pitch.

Sliding upon ways d are jaws d, having corresponding threads engaging with it, and are simultaneously and equally moved to and from produced by a wrench in the hands of the operator and applied to either end thereof. Above said chuck in the bracket G and in axial 1 line therewith is the spindle f, having vertical in being prevented by a spline and feather.

L F is a plate having a hub bored to fit loosely the lower extremity of said spindle, and upon 'which'is fitted the lever h and the ratchetmovenient insaid bracket, its revolution there- 9 and secured, and in which they are revolved '6 is a plan of the clamping-plate, ratchetthe wedge-shaped lug 0', attached to the latter,

section of the connection-pin block, and the 6o sponding parts in the several views. v

B by bolts, and adjustable thereon. 7 5

gles with the vertical plane of the shaft d,- v d and upon the opposite extremity a left-hand each other upon the ways (I by its revolution I,

wheel 11', the latter lj eing secured to the hub 10o aforesaid by the setscrew-h, extending through said hub and into a groove in the lower extremity of the spindle f, allowing the free revolution of said plate, the lever,*and ratchetwheel, but retaining them securely upon the spindlef, as shown in Fig. 4. In the lower face of the plate F are spurs f which enter the upper end of the hub E and retain it firmly in its position upon the chuck D, said plate being forced down upon the hubby the action of a screw engaging with the upper extremity of the spindle f and operated by the handwheel f G is a hand-wheel secured to the extremity of the shaft 9, said shaft passing transversely through the frame A, and having secured to it a pinion which engages with the teeth of the rack g, said rack being attached to the base 5 of the standard B. The revolution of the wheel G by the operator causes the standard B and its attachments to be moved upon the ways a, as required, for advancing to the cutting-tools and removing therefrom the hub E, contained in. the chuck D. The ratchet-wheel His secured to the upper extremity of the hub of the plate F and revolves with it, below which and fitting loosely thereon is the handlever h, its backward movement thereon being limited by the spring 0, and its forward move inent causing the engagement of the springratchet h with the teeth of wheel H, revolving it, the plate F and hub E. Secured to the bracket 0 is a spring, 0, its lower extremity bent into a horizontal. position, and in its normal position entering a mortise of the hub E.

0 is awedge-shaped lug adjustably attached to the lever h, which upon the engagement of its angular point with the spring 0, as the lever h is oscillated to its backward limit, disengages the spring a from its mortise and retains it thus during a portion of the forward movement of said lever, and presenting the lower extremity of the spring for entrance into the approaching mortise as the hub is revolved in the direction of the arrow.

, K is a bar fulcrumed upon a pin in the standard L,and having means for the vertical adjustment of said pin, the opposite end of the aforesaid bar having also means for its vertical movement upon the standard L.

Upon the bar K are bearings t" 1", through which is reciprocated, by the revolutions of the crank-wheel J, the rod I, said rod having secured in one extremity thereof the mortising-tool i. By means of the vertical adjustment of the ends of the bar K the angle at which the mortising-tool i is presented to the hub may be varied as required for producing the required dish to the wheel.

The connection-pin blockj, Fig. 7, is formed from a single piece of steel bored for the reception of the rod I, and a slot, j, cut through it from said bore to its outer surface, a bolt, j, clamping the part thus slotted tightly upon the rod I. Upon loosening the bolt the rod I may be revolvedtherein, as required, and

also moved longitudinally for the purpose of adjusting the mortising-tool i in its relation to theliub being operated upon. Said block j also serves as aguide for the reciprocating rod I, its rear portion being extended and slidingin a slot through the bar K andbetween the guides j, adjustable upon and se cured to said bar.

Attached to the base I) of the sliding standard B is a wedge-formed piece, 0.

m is a bell-crank lever fulcrumed upon the bolt m", the outward extremity of its horizon tal arm engaging with the wedge-piece 0 as the standard 13 is brought forward to the position required for the action of the mortisingtool 11 upon the hub E. In the upper extremity of its vertical arm isa slot, Z, formed at an angle therewith,and inclining toward the outward extremity of its horizontal arm.

Passing through the bar K is the spade-handle bolt Z, having check-nuts 'n n for its vertical adjustment therein, its lower extremity being connected to the slot Zby a pin, a.

Connected to the horizontal arm of the lever m, near-its extremity, is a weight, p, its effect being to depress said arm and elevate that extremity of the bar K in connection with. said lever, and also the mortising tool i, to its highest limit. As the sliding standard B is moved into the required position for action upon the hub of the mortising-tool, the gage o limiting said movement, the extremity of the horizontal arm-is raised by the wedge 0, thus bringing said tool to its lowest limit, said limit beingaccurately governed by the screw and check-nut Z ,and thereby gradually bringing the cutting-tool i to its lowest limit within the mortise, andforming their ends at the angle with their face or lower end of the hub required to produce the desired dish to th wheel. s

In the rear of the hub E and secured to the standard 13 is a bracket, b, having a socket in which is the oscillating gage I), said gage being adjustable vertically therein by means of a screw in the lower extremity of said socket. The outward extremity of the gage is bent to the form required for its entrance 7 into and engagement with the upper end of a mortise, thereby gaging its height relative to the mortising-tool, that they may be formed alike in the hubs one with another for the reception of spoke-tenons of a uniform width. The hubs are adjusted vertically, as required, for this purpose by the hand-wheel d".

Q, Figs. 1 and 2, is a plate having ears projecting from its face. R is a frame having journals therein, in which is supported and revolved the shaft 1'. Said shaft has near its upper extremity the cutter-head flanges s t, and fitting the space between its bearings the pulley a, which is secured thereto by a setscrew, and serves as a collar for preventing the shaft from vertical movement consequent upon-the action of the belt a, by which it is 'revolved'froni the pulley it upon the crank- I the plate Q, by the position 0 to hubs having 'inthe position of 'sition and the other one ad secured to their i and having the low Upon loosening said sci'ewthe sl'ujtf't and the cutter-heads are adjusted vertically by n'ieans of the set-screw r.'

The frame It is connected with the ears of links 1 and pins 20, and permits f the cutter-head to he changed ilroina right motion of the mortisingtool to that shown in dotted. lines, for thepnrpose of its application any number of niortises not fOLll,-2lll(l also permits a change the connectingpin w, by is connected to the link 9 n of its driving-belt a will divisible by which the frame R whereby the tensio keep the cutters from contact-with the hub E until their action is desi red, when a slight pull by the operator upon the handle r brings them to it for their action in the formation of seatsupou the outer surface of the mortises. The pivotal point of the frameethe pin w-is retained in the position required by the slot ted'sleeve-link s, journaled upon it, and secured to the plate Q by a bolt, The advancement of the cutter head toward the huh is limited to its required diameter bya set- I screw betwe en the lowerpart of framesA and Q. I

Gutter-heads constructed in various methods can be used for the formation of spokeseats upon the hubs, but one formed as described is preferred as being more quickly and :iiccurately adapted to the required width of spoke. It is formed of two plates or flanges having, upon one side of each, ears to which are secured cutters c n, and having also grooves in which are secured the side cutters, g/ y. Said flanges are secured to the-shaft, as shown in. Fig. 3, the lower one in a fixed po- 'ustable by means of nuts z. I

. The cutter-flanges s and t are so formed and shaft that the outer edges of the cutters h of the plate 8 will overlap those etc in the plate t, whereby the width of cut U which they make can be varied from near the width of the cutters n or h to that of their combined width.

The operation of the several parts is as follows: The different parts being adjusted for the length and diameter of hub, the width of mortise, their number and angle of their ends for the. dish required, and the width of the spoke-seats, a hub is placed upon the ways (Z or the lower surface of the jaws d", as'its size requires, and upon its face'or outward end, er extremity of the spring 0 entering a mortise. It is secured upon the chuck by turning the screw c and clamping-it within the jaws cl". By turning the hand wheelf it is firmly held therein for the operation of the cutting-tools. l'tis then advanced to the mortising-tool' by revolving the handwheel G, the mortise formed, the rotary cutters advanced, and spoke-seat iori'ncd, the cutter-head returning to its non-cutting position by the tension ol'its belt. The standard B is spoke angle with the vertical plane of zontal direction, and ha then rec ded from the mortising'tool', the hub revolvtzsduntil the spring enters the adjoining mortise, and the operation repeated until all arebrouglilt to the cutting-tools for action thereon, when the 11 inserted, and the operation continued, as de scribed.

Having thus, described my invention, whatI claim, and desire to secure by Letters Patent, is

1. In a machine for renmrtising carriagel'lllbS, a sliding standard, with means, substantiallyas described, for its movement in ahoriving a chuck withjaws adapted to center and secure a hub therein in a vertical position, and having in axial line therewith a clampingdisk, both chuck and disk being vertically adjustable and adapted to rotate snljistantially as described, the disk having a ratchetwheel. and paw]. and a lever for its rotation, and, in combination, a cylindrical niortisingtool holder and hearings in which it is reciprocated, said bearings being vertically adjustable upon standards to which they are connected, whereby the angle at which the mortises are l'orn'ied in the hub will produce the reql'iired dish to the wheel, substan tially as sctforth. u,

2. 'In a machine for remortising carriage hubs, a sliding standard, with means, substan tially as described, for its movementinahorizontal di recti on, and havi ng a chuck with jaws adapted to center and s a vertical position, and therewith a c'lai'nping-d disk being vertical to rotate substantially as described, the disk having a ratchet-wlileel and pawl and a lever for its rotation, a spring secured above the lelver and limiting its backward movement, the lower extremity of the spring in its normal position entering a mortise of the hub, a lug upi on the lever-engaging with the spring near the limit of its backward movement, releasing itfrom the mortise and retaining it thus during a sufiicient portion of the forward rotary motion of the hub to prevent its return to said mortise, and, in combination, a cylindrical mortisingtool. holder and bear it is reciprocated, said bearings being vertically adj ustablc upon standards to which they are connected,whereby thcaugle at which the mortises are formed in the hub will produce the required dish to thewhcel, substantially as described.

In a machine for rel'nortising carriagehubs, a sliding standard, with means, substantially as described, for its movcmentin a horh zontal direction, and having a chuck with jaws adapted to center and securca hub therein in a vertical position, and having in axial line therewith a clamping-disk, both chuck and disk being vertically adjustable andadapted, to rotate sulj stantially as described, the disk having a ratchet-wheel and pawl and a leveri'or its rotation, and, in combination, a

having in axial line isk, both chuck and ings in which nb is removed, another ecure a hub therein in 1y adj ustablc and adapted l cylindrical lnortising-tool holder and bearings in which it is reciprocated, said bearings being vertically adjustable which they are connected, whereby the angle at which the mortises are formed in the hub will produce the required dish to the wheel,

upon standards to said angle having a gradual and definite increase produced by the'advancing movement toward the mortising-tool carried by said holder of the standard aforesaid, substantially as shown and set forth.

4. In a machine for reinortising carriage hubs, a sliding standard,with means, substantiallyas described, for its movement in a horizontal direction, and having a chuck with jaws adapted to center and secure a hub therein in a vertical position, and having in axial line therewith a clamping disk, both chuck and disk being vertically adjustable and adapted to. rotate substantially as set forth, the disk having a ratchet-wheel and pawl and a lever for its rotation, and, in combination, a cylindrical mortising-tool holder and bearings in which it is reciprocated, said bearings being vertically adjustable upon standards to which they are connected,w11ereby the angle at which the mortises are formed in the hub will produce the required dish to the wheel, and also, in combination, a cutterhead secured upon a vertical shaft, and adjustable vertically for its adaptation to the hub-inortises, and in its normal position not in contact with them, but adapted to be advanced .to and receded from each hub-mortise in a plane at right angles tolthe longitude of the hub, substantially as described.

5. In a machine for relnortising carriagehubs, a sliding standard,with means, substantially as described, for its movement in a hori- 4O zontal .direction, and having a chuck with soleao ,7

, the outer edge of the jaws adapted to center and secure a hub there in in a vertical position, and having in axial line therewith a clamping-disk, both chuck and disk being vertically adjustable and adapted to rotate substantially as set forth, the disk having a ratchet-wheel and pawl and a lever for its rotation, and, in combination, a cylindrical mortising'tool holder and bearings in which it is recipro'cated, said bearings being vertically adjustable upon standards to which they are connected,whereby the angle at which the mortises are formed in the hub will produce the required dish to the wheel, and also, in combination, a cutter-head formed of two disks or flanges, s 16, one, as t, secured to a shaft in a fixed position, the other, 8, adjustable thereon, each having similar cutters, v and 3/, upon their adjacent sides, the former having grooves, the latter the shoulders thereof, grooving-cutters of one disk overlapping those of the other when placed in position upon their shaft, whereby the width ofcut produced thereby may be adjusted for various width of spokes, substantially as shown and set forth.

6. A cylindrical mortising-tool holder and bearings in which it is reciprocated, and, in combination, a clamp secured thereon bycompression, in which said tool-holder may be adjusted in a rotary or longitudinal direction, said clamp having a connection pin for its connection to the crank-shaft, and also having adjustable guiding-ways within which it is guided and reciprocated, substantially as shown and set forth.

JOSEPH J. KRAUS.

itncsse s:

O'RIN GREY, B. H. TARBOX.

It is hereby certified that in Letters Patent No. 306,404, granted October 14, 1884,

upon the application of Joseph J. Kraus, of Pittsville, Wisconsin, for an inprovement in Mortisiug-Maehines, an error appears in the printed specification requiring the following correction, viz: In the lines 58-59, page 4, the word having should read forming; and that the Lettere Patent should be read with this correction therein to make it conform to the record of the casein the Patent Office.

Signed, conntersigned, and sealed this 4th day of November, A. 1). 1884.

[SEAL] M. L. JOSLYN,

Acting Secretary of the Interior. Conntersigned H. H. Buns,

Acting Commissioner of Patents.

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