US2200700A - Spindle bracket - Google Patents

Description

May 14, 1940- E. F. MONNIA ET AL SPINDLE BRACKET Filed July 15, 1939 zw/gm mm 3, m vbo'o i EUGENEF HON/WA ,L ALEX MARCUS Patented May 14, 1940 metres Eugene F. Monnia and Alex Marcus, Scranton, Pa., assignors of thirty-three and one-third per cent to Kenneth F. Mills scranton, Pa.

I Application July 13, 1939, Serial No. 284,361

9 Claims. (or. 57-129) This invention relates to spinning spindle brackets employed in the art ofspinning cotton and silk. a v i In spinningmachines of the above mentioned character, thespindles are subjected to severe duty and amaximum speed to produce a better grade and quality of yarn. This condition causes considerable wear on thetspindles and the sup porting bracketywhich is accentuated usually by an unbalanced load imposed on the spindle or, if the latter should contain slight mechanical imperfections due to the fact that the load is located above the driving band an oscillatory or gyratory motion is set up around the normal center of gravity.

The above objections and disadvantages are overcome by providing a spindle bracket in accordance with this invention in which all shocks caused by high vibrations are absorbed and adjustments may be made to compensate for the wear on the bracket caused by the oscillatory and gyratory vibrations. Further, the spindle will be held yieldingly against the drivingband in such a manner as to eliminate considerable vibration and allow the spindles to be driven at a much greater speed without liability of damage to the spinning machine and its associated parts.

Other objects and advantages of the invention will become apparent during the course of the following description taken in connection with the accompanying drawing wherein:

Figure 1 is a side elevational view of the spindle bracket embodying the invention,

Figure 2 is a top elevational view thereof showing the arc of the bracket with respect to the pivot bearing, and,

Figure 3 is a vertical cross sectional view taken online 3-3 of Figure 2 looking in the direction of the arrows illustrating the bracket and pivot bearing in structural detail.

In the drawing, wherein for the purpose of illustrating the invention in detail and wherein like reference characters will be employed to designate like parts throughout the same, the reference character 5 will be employed to generally designate a spindle bracket including a vertical web portion! offset at, the top and bottom asatSandll. i

The upper portion of the bracket web terminates in collar 13 having a central opening I 5 for receiving an adjustable pivot pin ll, held in place by a set screw l9 and having its lowermost siliently supporting the spindle bolster.

bushings.

an annular flange 23 and having its center providedwith a bore 25. Mounted within the central bore 25 is a pivot pin 21 having its upper end pointed, as at28, and said pivot pin 21 is held in' axial alignment with the pivot pin I 1 by means of a set screw '30. a. y

The lowermost portion of the bushing 2| is externally threaded, as at 32, for being received in corresponding screw-threads formed in the rail of the spinningmachine-(notshown); Swiveled between the axial aligned pivot pins l7 and 21 is a collar 34 having opposed bushings 3B and 38 preferably formedof a lubricant containing metal and each bushing is centrally formed with an opening 40 and 42, respectively, terminating at theinner end in a tapered pertion for receiving the axial pointed pivot pins H and 21.

Extending laterally from the collar 34 is a bracket arm 44 having formed on the free end thereof, a circular bolster support 46 having secured thereto a soft rubber washer 48 for re- The spindle drive extends through the central opening 50 in the bolster support and through the shock absorbing washer 48 where it is connected to the spindle by the usual couple.

Alsoextending laterally from the collar 34 is a limit stop 52, the outer end of which engages the web portion 1 of the bracket to prevent oscillatory motion beyond a predetermined degree.

Pivotal or turning movement of the bracket 44 is yieldingly retarded by a coil spring 54 which encircles the collar 34 and has one end fixed to the web portion of the bracket 1, as at 55, and one end secured to the bracket arm 44 as at 58. Constant axial tension exerted by the coil spring 54 maintains the spindle drive in contact with the driving band of the spinning machine re ceiving apparatus. In the event that the opposed bearings 36 and 38 become worn or pitted, the axial aligned pivot pins I! and 21 can be moved toward each other to compensate for the wear on the pivot pins and This structure insures the swing bracket 44 against any lost motion and prevents vibration from end play.

It will be noted, that the bearing members are so positioned as to prevent chattering and binding and it is also to be noted that the form of the invention herewith shown and described is to be taken as a preferred embodiment of the same and that various changes in the shape, size and arrangement of parts may be resorted to without departing from the spirit of invention or the scope of'the subjoined claims.

What is claimed is: 1. A bracket for supporting spindles, comprising a bracket arm, opposed pivot bearings carried by the arm, and a spindle supporting member pivotally mounted between the pivot bearings.

2. A bracket for supporting spindles, comprising a bracket arm, opposed axially aligned bearings carried by the bracket arm, and a spindle,

spindle supporting bracket, and shock reducing supporting member pivotally mounted between the bearings.

3. A bracket for supporting spindle bolsters, comprising a bracket arm, opposedpivot bearings mounted in the bracket in axial alignment and a bolster supporting member pivotally mounted between the axial bearings.

4. A bracket for supporting spindle bolsters, comprising a bracket arm having opposed collars, pivot bearings mounted in the collars in axial alignment, a swinging bolster support mounted between the axial pivot bearings, anda shock reducing member carried by the bolster supporting member.

5. A bracket for supporting spindles, comprising a bracket arm having opposed collars, pivot bearings adjustably mounted in the collars, a swinging spindle supporting arm mounted. be-

tween the'pivot bearings and a shock reducing washer mounted on the spindle supporting arm.

6. A spindle supporting bracket for spinning machines, comprising a bracket arm mounted on the rail of the spinning machine, a pair of axially aligned bearings carried by the bracket arm and a spindle supporting arm mounted between the aligned bearings.

'7. A spindle supporting bracket for spinning machines, comprising a bracket arm adapted to be detachably secured to the spinning machine rail, a spindle supporting arm journaled in the chines, comprising abracket arm adapted to be detachably secured to the rail of the spinning machine, opposed axially aligned bearings mounted in the bracket arm and a spindle bolster supporting arm pivotally mounted between the opposed bearings. g

9. A spindle bolster support forspinning machines, comprising a bracket arm adapted to be screw-threaded in the spinning machine rail, opposed axially aligned pivot pins carried by the bracket arm, a spindle bolster supporting arm journaled between the pivot pin bearings and shock reducing means mounted on the spindle bolster supporting arm.

EUGENE F. MONNIA.

ALEX MARCUS.

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