US1065763A - Gearing. - Google Patents

Description

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APPLICATION FILED JANA, 1912.

1,065,763. Patented June 24, 1913.

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GEARING.

APPLICATION FILED JANA r, 1912.

1,065,763. Patented June 24,1913.

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HUBERT ANGEBRANDT, J'R., OF TOLEDO, OHIO.

GEARING.

Specification of Letters Patent.

Patented June 24, 1913.

Application filed January 4, 1912. Serial No. 669,413.

To all whom it may concern:

Be it known that I, HUBERT ANGEBRANDT, Jr., a citizen of the United States, residing at Toledo, in the county of Lucas and State of Ohio, have invented certain new and useful Improvements in Gearing; and I do doclare 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.

This invention relates to improvements in gearing, used more particularly in double spindle shaping machines.

One object of the invention is to provide a machine of this character having an improved construction and arrangement of interchangeable top spindles and means for detachably and operatively connecting the same with the upper ends of the main spindles or shafts.

Another object is to provide a shaping machine having an improved construction and arrangement of friction driving mechanism whereby the floor space usually required for machines of this character is greatly reduced.

A further object is to provide an improved means for throwing the driving mechanism; into and out of gear.

Still another object is to provide a shaping machine in which all working parts are inclosed.

With these and other objects in View, the invention consists of certain novel features of construction, and the combination and arrangement of parts as will be more fully described and claimed.

In the accompanying drawings; Figure 1 is a perspective view of my improved shap ing machine; Fig. 2 is a vertical sectional view through one end thereof; Fig. 3 is a similar view through one end of the machine taken at right angles to Fig. 2; Fig. 4c is an enlarged vertical sectional view through the upper portion of the main cutter operating spindle and its supporting sleeve showing more clearly the manner in which the top or cutter attaching spindles are secured to the main spindles; Fig. 5 is an enlarged vertical sectional view through the engaging ends of one of the main spindles and its top or cutter attaching'spindle showing the mannor in which the top spindle is disengaged from its socket in the upper end of the main spindle; Fig. 6 is an enlarged detail horizontal section through a portion of one of the main spindle supporting sleeves and one of the guide ways which adjustably support the same, showing more clearly the means whereby the sleeve is looked after being adjusted in the guide way; Fig. 7 is a detail perspective view of one of the keeper or holding plates for the shifting levers of the (firiiction gears on the cutter operating spin- My improved shaping machine comprises a supporting frame or base in the form of a casing 1 closed on all sides and having on its upper end a work supporting table 2. Revolubly mounted in removable ball bearings 3 in the ends of the frame or base 1 is a horizontally disposed main drive shaft a on which, near its ends are fixed cone friction gears or disks 5 which are adapted to be engaged by the power transmitting friction gears 6 of the tool operating spindles hereinafter described. The gears or disks 5 comprise sleeves or hubs 7 which are adjustably keyed to the shaft 4: by set screws 8 and which have formed integral therewith annular back plates or flanges 9 to which are bolted outer clamping plates 10. Between the plates 9 and 10 are clamped fiber friction disks 11 the edges of which are beveled to the angle corresponding with the angular surfaces of an ordinary bevel gear. Fixed on the shaft 1 is a main drive pulley 12 with which is engaged a belt 13 whereby the pulley l2, shaft 4 and friction gears 5 are continuously driven from any suitable power, said belt passing through an opening 14 in one side of the casing as shown.

The power transmitting friction gears 6 are provided with elongated tubular hubs or sleeves 15 which are slidably keyed to the lower ends of main tool operating spin dles or shafts 16 which are revolubly mounted in adjustably supported ball bearings 17 hereinafter described. The gears 6 have a ball bearing engagement or connection at the ends of the hubs 15 with gear shifting sleeves 18, the lower ends of which extend down into annular recesses 19 formed in the upper sides of the gear 6 and are flared to receive ball bearings 20 as shown, while the upper ends of the sleeves 18 are also flared to receive ball bearings 21 arranged around the upper ends of the elongated hubs 15 of the gears as shown.

The sleeves l8 hate on their outer sides guide flanges 22 which are slidably engaged with guide ways 23 arranged in the ends of the casing 1 as shown. Pivotally engaged near their inner ends with studs 24 on the inner sides of the'sleeves 15 are gear shifting levers 25 which are pivotally mounted at their inner ends on suitable brackets in the casing 1 and have their outer ends projecting through slots 26 formed in the sides of the casing. The projecting ends of the levers 25 are adapted to be engaged with notched slots 27 formed in lever holding plates 28 secured to the outer side of the casing as shown. By thus arranging the levers 25 it will be seen that the sleeves 15 together with the friction gears 16 may be shifted downwardly and upwardly to bring either of the gears 6 into and out of operative engagement with the friction gears 5 on the main drive shaft 4 whereby the movement of said shaft is transmitted to the main tool operating spindles or shafts 16.

The upper bearing sleeves 17 for the main spindles or shafts 16 have formed on the inner side thereof supporting brackets 29 having therein threaded passages to receive the threaded upper ends of bearing spindle screws 30 the lower ends of which are revolubly secured in brackets 31 formed on the inner sides of the frame or casing 1. FiXedly secured to the lower portions of the screws 30 are beveled operating gears 32 with which are engaged similar gears 33 on the inner ends of gear operating shafts 34 mounted in suitable bearings in one side of the frame or casing 1 and having their outer ends projecting through said side of the casing and provided with hand wheels 35 which when turned in one direction or the other will revolve the screws 30 in the proper direction for raising and lowering the bearing sleeves 17 and the spindles or shafts engaged therewith.

The lower ends of the sleeves 17 set into and have a ball bearing engagement with sockets 36 which are engaged with the spindles 16 and are supported in position thereon by collars 37 screwed onto a threaded portion of the spindles and fastened by set screws as sh own. On the upper ends of the bearing sleeves 17 are formed cups 38 in which are arranged the upper ball bearings 39 of the sleeves. The upper ends of the spindles 16 have formed thereon annular flanges 40 on which are formed threaded bosses 41. In the ends of the spindles are formed tapered sockets 42 and around the upper ends of the spindles below the flanges 40 and within the cups 238 are arranged bushings 43. The sleeves 17 are also provided with linings or bushings 44 which surround the portion of the spindles engaged by the sleeves.

Adapted to be engaged with the upper ends of the main spindles 16 are spindle tops 45 of which there may be a number of various sizes, said tops having on their lower ends annular threaded flanges 46 and tapered tangs 47 said t-angs being adapted to set into the tapered sockets 42 in the upspindle tops are threaded to receive nuts 49 to hold the knives or forming cutters in position on the spindles. The top spindles are held in operative engagement with the upper ends of the main spindles by collars 50 having interiorly threaded inner ends which are adapted to be screwed onto thethreaded bosses 41 on the upper ends of the main spindles and which have on their upper ends inwardly projecting annular flanges 51 which fit around the offsets or shoulders 43 above the threaded flange 46 thus securely fastening the top spindles on the upper ends of the main spindles In the sides of the collars 50 are formed holes 52 in which may be engaged a pin wrench or other suitable tool whereby the collars are screwed 'onand off the threaded bosses 41 on the upper ends of the main spindle to fasten and release the top spindle. On the threaded flanges 46 of the top spindles are screwed spindle loosening nuts 53 which when screwed down on the flange 46 and into engagement with the upper end of the boss 41 will lift or force the tangs 47 of the top spindles out of the sockets in the upper ends of the main spindles, thus releasing the top spindles and permitting the same to be readily removed and interchanged for spindles of a different size. The sleeves 17 are provided v 1. The screws 54 are provided with enlarged heads 54 which engage the blocks 55 and to said heads are attached handles or levers 56 which project laterally therefrom in position to be grasped and the heads and screws turned inwardly a sufficient distance to force the blocks 55 into clamping engagement with the flanges 53*thereby lock ing the sleeves and spindles in their adjusted position.

In the top or table of the machine around the upper ends of the spindles are formed circular openings 57 in which are arranged a plurality of removable table rings 58, the inner one of which fits closely around the collars 51 and closes the opening through which the same projects. By constructing and arranging the top spindles and securing the same to the main spindles as herein shown and described the top spindles may be set and will run absolutely true as no dirt or grit can accumulate in the seats of the top spindles to throw the same out of alinement when engaged with the main spindle.

Mounted on the ends of the main frame or casing 1 are hoods or covers 59 which are adapted to be swung over the friction gears 6 and the spindles whereby the same and the parts engaged therewith are covered and entirely inclosed, thus keeping these parts free from dust. The covers or casings are provided with suitable catches or fastening devices for holding the same in closed posit-ion and have in their upper sides openings 60 through which the levers 56 for operating the set screws 54 project. It will thus be seen that by constructing the base or supporting frame in the form of a closed casing as herein shown and described and providing the covers or casings 59 that all working parts of the machine are inclosed and protected. It will also be noted that by providing the spindles with a friction driving mechanism constructed and arranged as herein shown and described the machine will occupy about one-third the floor space usually required by belt driven machinery, and a greater pulling power is provided. In the usual form of belt driven machines the pulleys are arranged in the centers of the spindles so that the, latter are subjected not only to the torsional strain applied by the driving force and resistance of the work, but in addition to this strain the center driving of the shaft through the belt pulley produces a great lateral strain on the spindles which is entirely eliminated by the improved driving mechanism herein shown and described.

The arrangement of the ball bearing supports for the spindles as herein shown and described also reduces the friction on the spindles to a minimum. The construction and arrangement of the lower spindle bearings 15 and the arrangement of the raising and lowering levers engaged therewith forms an efficient and easily operated means for starting and stopping either spindle of the machine.

From the foregoing description taken in connection with the accompanying drawings, the construction and operation of the invention will be readily understood, without requiring a more extended explanation.

Various changes in the form, proportion and the minor details of construction may be resorted to without departing from the principle or sacrificing any of the advantages of the invention as claimed.

Having thus described my invention, what I claim is:

1. In a shaping machine, the combination with a horizontal power shaft, and a friction bevel gear thereon; of a vertical spindle, a friction bevel gear including an extended hub splined on the spindle, a sleeve surrounding said hub, and having a pair of flanges, guide ways for said flanges, and means for adjusting said sleeve therein.

2. In a shaping machine, the combination with a horizontal power shaft fixed against sliding, and a bevel friction gear fixed on the shaft; of a vertical spindle, a hollow bevel friction wheel having an extended hub slidably splined on the spindle, a sleeve inclosing the hub and having an enlarged lower end extending into the annular recess in the upper face of the wheel, ball bearings in said recess between the lower ends of the hub and sleeve, and means for sliding the sleeve and hub on the spindle.

8. In a shaping machine, the combination with a horizontal power shaft, and a bevel friction gear thereon; of a vertical driven shaft, a beveled friction driven wheel having a tubular hub extending upward and splined on said driven shaft, a sleeve loosely inclosing the hub and having both its ends enlarged and the lowermost descending into the friction wheel, ball bearings inside said enlarged ends of the sleeve and outside the ends of the hub, the exterior of the sleeve having flanges, a main frame having guides in which said flanges are movably mounted, and means for adjusting the sleeve and with it the hub and the driven gear in said guides.

4. In a shaping machine of the character described, a main frame, a main drive shaft revolubly mounted therein, a friction gear mounted on said shaft, a spindle revolubly and adjustably supported in said frame, a friction gear slidably keyed to said spindle and adapted to be engaged with the gear on said main drive shaft, a sleeve having a ball bearing engagement with the gear on the spindle, and means to shift said sleeve whereby the gear supported thereon is engaged with and disengaged from the gear on said main drive shaft.

5. In a shaping machine of the character described, a main frame, a main drive shaft revolubly mounted therein, a friction gear fixed on said main shaft, a revolubly mounted spindle, means to adjustably support said spindle, a friction gear having an elongated hub and an annular recess, said hub being slidably keyed to the spindle, a gear supporting sleeve arranged on said hub and having a ball bearing engagement therewith at its upper end, and a ball bearing engagement with the annular recess in said gear, and an adjusting lever pivoted in said frame and having an operative connection with said sleeve whereby said gear is shifted into and out of engagement with the gear on said main drive shaft.

6 In a machine of the class described, the combination with an upright shaft, a tubular member thereon, and ball bearings surrounding the ends of said member; of an upright sleeve loosely inclosing said member and having both ends enlarged and closely inclosing said bearings, and means for ad- 'justing said sleeve vertically, for the purl0 pose set forth.

In testimony whereof I have hereunto set my hand in presence of two subscribing wit- Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

' Washington, D. Q.

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