US2211077A - Spindle brake - Google Patents

Spindle brake Download PDF

Info

Publication number
US2211077A
US2211077A US259952A US25995239A US2211077A US 2211077 A US2211077 A US 2211077A US 259952 A US259952 A US 259952A US 25995239 A US25995239 A US 25995239A US 2211077 A US2211077 A US 2211077A
Authority
US
United States
Prior art keywords
spindle
whorl
spring plate
brake
lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US259952A
Inventor
Otto W Schlums
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Whitin Machine Works Inc
Original Assignee
Whitin Machine Works Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Whitin Machine Works Inc filed Critical Whitin Machine Works Inc
Priority to US259952A priority Critical patent/US2211077A/en
Application granted granted Critical
Publication of US2211077A publication Critical patent/US2211077A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H7/00Spinning or twisting arrangements
    • D01H7/02Spinning or twisting arrangements for imparting permanent twist
    • D01H7/04Spindles
    • D01H7/22Braking arrangements
    • D01H7/2208Braking arrangements using mechanical means
    • D01H7/2216Braking arrangements using mechanical means with one or two manually actuated shoe-brakes acting on a part of the whorl

Definitions

  • This invention relates to a brake for stopping the rotation of a spindle in a machine for spinning or twisting yarn.
  • Such spindles are commonly provided with small flanged pulleys or whorls, and ,a plurality of associated spindles are driven by a flat cotton tape. It is frequently necessary for the operator to stop a selected spindle in order to piece a broken end or for some other purpose which requires the use of both hands. It has been common to provide a knee brake for each spindle, but in modern-double or 3-bank spinning or twisting frames, the upper spindles are too high and the'lower spindles are too low to 'be conveniently knee-operated.
  • Another object is to provide an improved spindle brake which will apply and maintain a uniform and predetermined braking force.
  • a still further object is to provide a braking attachment which is a separate self-contained unit, which may be conveniently applied to existing spinning or twisting frames.
  • FIG. 1 is a side elevation, partly'in section, Showing my invention mounted in a spinning or twisting frame; a
  • Fig. 2 is a plan view, partly in section, and taken along the irregular line 22 in Fig. 1;
  • Fig. 3 is a partial side elevation of a modified construction
  • Fig. 4 is a view similar to Fig. 1 but showing the parts in braking position;
  • Fig. 5 is a rear elevation, looking in the direction of the arrow 5 in Fig. 4; Y
  • Fig. 6 is a side elevation, showing certain parts in a different position; and v Fig. 7 is a detail plan view, looking in the direction of the arrow 1 in Fig. 6.
  • a spindle rail 'lil forming part of a spinning or twisting machine and having a plurality of spindles S rotatably mounted thereon.
  • Each spindle comprises a spindle blade i2 rotatable in a bolster i3 loosely mounted in a spindle base II which has a portion l5 extending downward through the rail i0 and secured therein by a heavy spring 1939, Serial No. 259,95
  • the blade i2 is provided with a whorl 20 having flanges 2
  • My improved spindle brake comprises a standwhich may be secured to the rear side of the spindle rail llby a clamping bolt 3
  • the stand 30 also has a projection at its upper end which provides a shoulder 33 (Fig. 1) adapted to engage the upper face of the rail l0 and thus definitely locate the stand 30 vertically.
  • a post 351s fixed in the upper side of the stand 30, and a cross bar 36 is pivotally mounted at the top of the post and supports a leather pad 31 in position toengage the upper face of the flange 22 of the whorl 20 if the blade and whorl 20 are slightly raised.
  • a keeper I8 is pivoted at 39 on the cross bar 36 and normally falls down and embraces a noncircular portion 40 of the post 35 when the arm 36 and pad 31 are in operative position. If it 25 is desired to remove the blade 12 and whorl 20 from the machine, the keeper 38 is raised and the arm 38 is swung sideways about its pi-vot stud 4
  • a spring plate (Flg. 1) is pivoted at 5
  • the spring plate 50 is pivotally connected by a double link to an upstanding arm 6
  • the lever 62 is pivoted at 63 to downwardly and rearwardly extending arms 64 forming part0! the stand".
  • the link 60 is pivoted tothe spring plate at 65 and to the bell crank at 68.
  • An arin 58 extends forward from the bell crank 82 and isprovided with a handle portion 59 by which it may be conveniently 45 operated.
  • the lower end of the link is provided with a projection I0 (Fig. 4).which engages a rear. surface 1l on the bell crank 62 and forms a stop to limit downward movement of the handle arm 50 68 and spring plate 50. Upward movement of the handle arm I! is limited by engagement of an offset portion '3 (Fig.4) of the arm 68 by one of the depending arms 8
  • the operator is thus free to use both hands for piecing a broken end or for other purposes and the spindle will be held from rotation as long as desired.
  • the operator then returns the arm 68 to normal lowered position and the spindle is thereby rendered free to rotate.
  • the entire braking device forms a self-contained and separate unit, which may be attached to an existing spinning or twisting frame by the single clamping bolt 3
  • the post is omitted and the fixed pad 80 is mounted on an arm 8
  • the operation is identical with the construction previously described, but diifers therefrom in providing the fixed pad 80 as a part of the spindle structure, rather than as a part of a self-contained braking unit.
  • the upward pressure of the pads 54 is determined by the stiffness of the spring plate 50, the length of the link 60, and the relative location of the pivots 63, I! and 6. Consequently the pressure will be uniform every time the brake is applied and does not in any way depend upon the operator, who merely shifts the handle 89 upward and downward between its fixed limits to apply and release the brake.
  • a spinning or twisting machine having 'a spindle rail" and a pluralityof spindles mounted thereon and each provided with a flanged driving whorl, that improvement which comprises a brake for each spindle having friction elements engaging the top and bottom faces of a whorl flange, manually-operated means to relatively move said elements to apply friction pressure to said flange. and means to automatically determine the amount of friction pressure applied on said flange and to automatically and independ ently maintain said pressure for an indefinite period after manual application thereof.
  • a spinning or twisting machine having thereon and each provided with a flanged driving whorl
  • that improvement which comprises a brake for each spindle having friction elements engaging the top and bottom faces of a whorl flange, a spring plate on which certain of said friction elements are mounted, manually operated means to put said spring plate under tension to apply friction pressure to said whorl flange, and means to automatically limit said pressure and to automatically maintain said limited pressure for an indefinite period after manual application thereof.
  • a spinning or twisting machine having a spindle rail and a plurality of spindles mounted thereon and each provided with a flanged driving whorl
  • that improvement which comprises a brake for eachspindle having friction elements engaging the top and bottom faces of a whorl flange, a spring plate on which certain of said friction elements are mounted, manually-operated toggle means to put said spring plate under tension to apply friction pressure to said whorl flange, and means to thereafter automatically maintain said toggle in holding position.
  • a spinning or twisting machine having a spindle rail and a plurality of spindles mounted thereon and each provided with a flanged driving whorl
  • that improvement which comprises a brake for each spindle having friction elements engaging the top and bottom faces of a whorl flange, a spring plate on which certain of said friction elements are mounted, a manually operated lever, a link connecting said spring plate and lever and forming a toggle with said lever, and a stand fixed to said rail and on which said plate and lever are pivotally mounted.
  • a spinning or twisting machine having a spindle rail and a plurality of spindles mounted thereon and each provided with a flanged driving whorl
  • that improvement which comprises a brake for each spindle having friction elements engaging the top and bottom faces of a whorl flange.
  • a spring plate on which certain of said friction elements are mounted, a manually operated lever having a shoulder thereon, a link connecting said spring plate and lever, a stand to pivotally support said plate and lever, and a projection on said link engageable with said shoulder on said lever to determine the inoperative position of the parts.
  • a spinning or twisting machine having a spindle rail and a plurality of spindles mounted thereon and each provided with a flanged driving whorl
  • that improvement which comprises a brake for eachspindle having friction elements engaging the top and bottom faces of a whorl flange, a spring plate on which certain of said friction elements are mounted, a manually operated lever having a shoulder thereon, a link connecting said spring plate and lever, a stand to pivotally support said plate and lever, a projection on said link engageable with said shoulder on said lever to determine the inoperative position of the parts, and a portion of said lever engaging a part of said stand to determine the holding position of said parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Description

Patented Aug. 13, 1940 UNITED STATES PATENT OFFICE SPINDLE BRAKE Otto W. Schlums, Whitinsville, Mass assignor to Whitin Machine Works, Whltinsvllle, Mesa, a corporation of Massachusetts Application March 6,
6 Claims.
This invention relates to a brake for stopping the rotation of a spindle in a machine for spinning or twisting yarn.
Such spindles are commonly provided with small flanged pulleys or whorls, and ,a plurality of associated spindles are driven by a flat cotton tape. It is frequently necessary for the operator to stop a selected spindle in order to piece a broken end or for some other purpose which requires the use of both hands. It has been common to provide a knee brake for each spindle, but in modern-double or 3-bank spinning or twisting frames, the upper spindles are too high and the'lower spindles are too low to 'be conveniently knee-operated.
It is the general object of my invention to provide an improved brake which is manually controlled but which will automatically maintain braking pressure as long as the operator desires.
Another object is to provide an improved spindle brake which will apply and maintain a uniform and predetermined braking force.
A still further object is to provide a braking attachment which is a separate self-contained unit, which may be conveniently applied to existing spinning or twisting frames.
My invention further relates to arrangements and combinations of parts which will be hereinafter-described and more particularly pointed out in the appended claims. a
Preferred forms of the invention are shown in the drawings, in which Fig. 1 is a side elevation, partly'in section, Showing my invention mounted in a spinning or twisting frame; a
Fig. 2 is a plan view, partly in section, and taken along the irregular line 22 in Fig. 1;
Fig. 3 is a partial side elevation of a modified construction;
Fig. 4 is a view similar to Fig. 1 but showing the parts in braking position;
Fig. 5 is a rear elevation, looking in the direction of the arrow 5 in Fig. 4; Y
Fig. 6 is a side elevation, showing certain parts in a different position; and v Fig. 7 is a detail plan view, looking in the direction of the arrow 1 in Fig. 6.
Referring to the drawing-s,-I,have shown a spindle rail 'lil forming part of a spinning or twisting machine and having a plurality of spindles S rotatably mounted thereon. Each spindle comprises a spindle blade i2 rotatable in a bolster i3 loosely mounted in a spindle base II which has a portion l5 extending downward through the rail i0 and secured therein by a heavy spring 1939, Serial No. 259,95
II and clamping nut ll. The blade i2 is provided with a whorl 20 having flanges 2| and 22 and adapted to .be engaged and rotated by the usual driving tape, not shown.
' The parts thus far described are of the usual 5 construction and in themselves form no part of my present invention.
My improved spindle brake comprises a standwhich may be secured to the rear side of the spindle rail llby a clamping bolt 3| extending .10 through a slot 32 (Fig. 5). The stand 30 also has a projection at its upper end which provides a shoulder 33 (Fig. 1) adapted to engage the upper face of the rail l0 and thus definitely locate the stand 30 vertically. 16
A post 351s fixed in the upper side of the stand 30, and a cross bar 36 is pivotally mounted at the top of the post and supports a leather pad 31 in position toengage the upper face of the flange 22 of the whorl 20 if the blade and whorl 20 are slightly raised.
A keeper I8 is pivoted at 39 on the cross bar 36 and normally falls down and embraces a noncircular portion 40 of the post 35 when the arm 36 and pad 31 are in operative position. If it 25 is desired to remove the blade 12 and whorl 20 from the machine, the keeper 38 is raised and the arm 38 is swung sideways about its pi-vot stud 4|.
A spring plate (Flg. 1) is pivoted at 5| on a rearward extension 52 of the stand 30 and is 30 provided with forked ends 53 (Fig. 2) which embrace the spindle base and present leather pads 54 under the flange 22 of the whorl 20. These pads are normally. spaced below the flange as shown in Fig. 1. through an opening 55 in the plate 50.
The spring plate 50 is pivotally connected by a double link to an upstanding arm 6| on a bell crank lever 62. The lever 62 is pivoted at 63 to downwardly and rearwardly extending arms 64 forming part0! the stand". The link 60 is pivoted tothe spring plate at 65 and to the bell crank at 68. An arin 58 extends forward from the bell crank 82 and isprovided with a handle portion 59 by which it may be conveniently 45 operated. I
The lower end of the link is provided with a projection I0 (Fig. 4).which engages a rear. surface 1l on the bell crank 62 and forms a stop to limit downward movement of the handle arm 50 68 and spring plate 50. Upward movement of the handle arm I! is limited by engagement of an offset portion '3 (Fig.4) of the arm 68 by one of the depending arms 8| of the stand 30.
'I'helparts are shown in nonnaior inoperative 66 The post 35 extends freely 35 position in Fig. 1. If it is desired to stop the spindle, the operator grasps the handle 6! and,
the toggle formed by the bell crank and the link 60, thus forcing the upper link pivot 65 upward and raising the spring plate so that the pads 54 v will engage the under side of theflange 22 and force the spindle blade and whorl upward against the fixed pad 31.
Further movement of the bell crank 68 places the spring plate under tension as indicated in an exaggerated manner in Fig. 4 and carries the pivot 66 beyond the center line joining the pivots 63 and 65. At this point, further movement of the bell crank is stopped by engagement of the offset shoulder 13 and the arm 64, and the parts will remain indefinitely in this position, with the spring plate 50 under tension.
The operator is thus free to use both hands for piecing a broken end or for other purposes and the spindle will be held from rotation as long as desired. The operator then returns the arm 68 to normal lowered position and the spindle is thereby rendered free to rotate.
It will be noted that the entire braking device forms a self-contained and separate unit, which may be attached to an existing spinning or twisting frame by the single clamping bolt 3|.
In the modification shown in Fig. 3, the post is omitted and the fixed pad 80 is mounted on an arm 8|, pivotally secured by a stud 82 at the top of the oiling projection 83 formed at the edge of the spindle base 8.4. The operation is identical with the construction previously described, but diifers therefrom in providing the fixed pad 80 as a part of the spindle structure, rather than as a part of a self-contained braking unit.
It should be particularly noted that the upward pressure of the pads 54 is determined by the stiffness of the spring plate 50, the length of the link 60, and the relative location of the pivots 63, I! and 6. Consequently the pressure will be uniform every time the brake is applied and does not in any way depend upon the operator, who merely shifts the handle 89 upward and downward between its fixed limits to apply and release the brake.
Having thus described my invention and the advantages thereof, I do not wish to be limited to the details herein disclosed, otherwise than as set forth in the claims, but what I claim is:
1. In a spinning or twisting machine having 'a spindle rail" and a pluralityof spindles mounted thereon and each provided with a flanged driving whorl, that improvement which comprises a brake for each spindle having friction elements engaging the top and bottom faces of a whorl flange, manually-operated means to relatively move said elements to apply friction pressure to said flange. and means to automatically determine the amount of friction pressure applied on said flange and to automatically and independ ently maintain said pressure for an indefinite period after manual application thereof.
2. In a spinning or twisting machine having thereon and each provided with a flanged driving whorl, that improvement which comprises a brake for each spindle having friction elements engaging the top and bottom faces of a whorl flange, a spring plate on which certain of said friction elements are mounted, manually operated means to put said spring plate under tension to apply friction pressure to said whorl flange, and means to automatically limit said pressure and to automatically maintain said limited pressure for an indefinite period after manual application thereof.
3. In a spinning or twisting machine having a spindle rail and a plurality of spindles mounted thereon and each provided with a flanged driving whorl, that improvement which comprises a brake for eachspindle having friction elements engaging the top and bottom faces of a whorl flange, a spring plate on which certain of said friction elements are mounted, manually-operated toggle means to put said spring plate under tension to apply friction pressure to said whorl flange, and means to thereafter automatically maintain said toggle in holding position.
4. In a spinning or twisting machine having a spindle rail and a plurality of spindles mounted thereon and each provided with a flanged driving whorl, that improvement which comprises a brake for each spindle having friction elements engaging the top and bottom faces of a whorl flange, a spring plate on which certain of said friction elements are mounted, a manually operated lever, a link connecting said spring plate and lever and forming a toggle with said lever, and a stand fixed to said rail and on which said plate and lever are pivotally mounted.
5. In a spinning or twisting machine having a spindle rail and a plurality of spindles mounted thereon and each provided with a flanged driving whorl, that improvement which comprises a brake for each spindle having friction elements engaging the top and bottom faces of a whorl flange. a spring plate on which certain of said friction elements are mounted, a manually operated lever having a shoulder thereon, a link connecting said spring plate and lever, a stand to pivotally support said plate and lever, and a projection on said link engageable with said shoulder on said lever to determine the inoperative position of the parts. a
6. In a spinning or twisting machine having a spindle rail and a plurality of spindles mounted thereon and each provided with a flanged driving whorl, that improvement which comprises a brake for eachspindle having friction elements engaging the top and bottom faces of a whorl flange, a spring plate on which certain of said friction elements are mounted, a manually operated lever having a shoulder thereon, a link connecting said spring plate and lever, a stand to pivotally support said plate and lever, a projection on said link engageable with said shoulder on said lever to determine the inoperative position of the parts, and a portion of said lever engaging a part of said stand to determine the holding position of said parts. I
O'I'IO W. SCHLUMS.
US259952A 1939-03-06 1939-03-06 Spindle brake Expired - Lifetime US2211077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US259952A US2211077A (en) 1939-03-06 1939-03-06 Spindle brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US259952A US2211077A (en) 1939-03-06 1939-03-06 Spindle brake

Publications (1)

Publication Number Publication Date
US2211077A true US2211077A (en) 1940-08-13

Family

ID=22987154

Family Applications (1)

Application Number Title Priority Date Filing Date
US259952A Expired - Lifetime US2211077A (en) 1939-03-06 1939-03-06 Spindle brake

Country Status (1)

Country Link
US (1) US2211077A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471052A (en) * 1945-03-30 1949-05-24 Rca Corp Spring mounted brake
US2657523A (en) * 1952-01-03 1953-11-03 Davis & Furber Spindle brake
US2977751A (en) * 1956-08-21 1961-04-04 Jr Ralph H Thrasher Balance-wheel lock
US3044082A (en) * 1960-05-23 1962-07-17 Brothers Inc Survival vessel
DE1136621B (en) * 1960-07-30 1962-09-13 Johann Jacob Keyser Brake for spinning or twisting spindles
DE1155375B (en) * 1960-07-30 1963-10-03 Johann Jacob Keyser Brake for spinning or twisting spindles
US3337010A (en) * 1965-05-13 1967-08-22 R H Stearns Spring-applied electromagnetically released brake
US5778650A (en) * 1995-12-30 1998-07-14 Palitex Project-Company Gmbh Device for stopping a spindle of a textile machine driven by a drive belt

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471052A (en) * 1945-03-30 1949-05-24 Rca Corp Spring mounted brake
US2657523A (en) * 1952-01-03 1953-11-03 Davis & Furber Spindle brake
US2977751A (en) * 1956-08-21 1961-04-04 Jr Ralph H Thrasher Balance-wheel lock
US3044082A (en) * 1960-05-23 1962-07-17 Brothers Inc Survival vessel
DE1136621B (en) * 1960-07-30 1962-09-13 Johann Jacob Keyser Brake for spinning or twisting spindles
DE1155375B (en) * 1960-07-30 1963-10-03 Johann Jacob Keyser Brake for spinning or twisting spindles
US3337010A (en) * 1965-05-13 1967-08-22 R H Stearns Spring-applied electromagnetically released brake
US5778650A (en) * 1995-12-30 1998-07-14 Palitex Project-Company Gmbh Device for stopping a spindle of a textile machine driven by a drive belt

Similar Documents

Publication Publication Date Title
US2211077A (en) Spindle brake
US2433987A (en) Textile spindle mounting
US2333047A (en) Spindle brake
US2584096A (en) Stop motion for twisting and winding machines
US2997017A (en) Waxing attachment for winding machines
US2246473A (en) Pawl for spindle swing arms
US2930182A (en) Automatic stopping device for stopping thread twisting machines
US1423801A (en) Spinning, doubling, and twisting machine
US2770092A (en) Brake for spinning or twisting spindle
US2034601A (en) Spindle brake
JPS6099020A (en) Oe-friction spinning frame
DE623162C (en) Stopping device for twisting spindles
US3712040A (en) Yarn joining assembly for automatic yarn piecing apparatus
US2532261A (en) Brake for textile mill spindles
US2258914A (en) Stop motion for twisting and winding machines
US1587113A (en) Spinning spindle
US1786252A (en) Bearing support for spinning or twisting spindles
US1149088A (en) Spool-carrier for braiding, lace-making, and like machines.
US2034192A (en) Spindle
US2058917A (en) Cord carrier for braiding machines
US2411127A (en) Spindle brake
US4176512A (en) Rotor braking apparatus at each spinning unit of an open-end spinning machine
US1700665A (en) Tension device
US1830540A (en) Twister stop motion
GB823041A (en) Improvements in and relating to textile winding machines