US1043486A - Alarm mechanism for carding and other textile machines. - Google Patents

Alarm mechanism for carding and other textile machines. Download PDF

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Publication number
US1043486A
US1043486A US59765810A US1910597658A US1043486A US 1043486 A US1043486 A US 1043486A US 59765810 A US59765810 A US 59765810A US 1910597658 A US1910597658 A US 1910597658A US 1043486 A US1043486 A US 1043486A
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shaft
roving
wheel
lever
ratchet
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US59765810A
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Michael E Walsh
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
    • D01H13/18—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material stopping supply only
    • D01H13/187—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material stopping supply only using means stopping the driving of the drafting, guiding cylinders, e.g. friction clutches

Definitions

  • This invention relates to improvements in devices for maintaining and automatically operating alarms for spinning machinery, and has for its object the provision of means for notifying the machine tender of a break in the roving operated upon by machines of the class above referred to.
  • FIG. 1 is a plan view of the device showing the parts as in their relative operating positions.
  • Fig. 2 is a front elevation and partial section on line 22, Fig. 3.
  • Fig. 3 is a. sectional elevation of Fig. 2 as seen at right angles thereto
  • Fig. 4 is an enlarged sectional view of the friction mechanism, taken on Line i.4;,.
  • Fig. 1 is a plan view of a construction similar to Fig. 1 but showing a modification of the mechanism.
  • Fig. 6 is a front elevation and partial section taken on line 6?6, Fig. 7 illustrating a modified construction of the machine.
  • Fig. I is a sectional view of Fig. 6.
  • A represents a large strand of fiber, commonly termed the roving which is driven, between the feed] rolls B, in the direction of the arrow; and, to said. feed rolls, through the medium of the shaft F and gears C and D, is imparted the power in the usual manner.
  • Constantly run,- ning and in mesh with the gear D is an?
  • other gear F which drives the short shaft in the direction of the arrow a, which shaft has its bearings in the downwardly extended portion of the supporting bracket E; at or near the end of the shaft 7).
  • At a convenient point on the shaft G is rigidly monnted a.
  • ratchet wheel h Adjacent the ratchet h is mounted a fixed collar j which is held in place on the shaft 9 by the pin j, thereby necessitating the revolving of the ratchet k in a fixed relation relatively to the shaft 9, Adjacent these mechanisms at a convenient point on the shaft G is mounted a bell is afiixed to. the shaft G by the clamp Z by means of the screw Z, said bell 70 being preferably of the ordinary bicycle type operated by the finger piece m.
  • bracket H Upon the larger bracket H is. mounted an iauxiliary bracket 0 upon which is supported the shaft P having on its outwardly extend-1 ing end 9 the weight r.
  • an upstanding lever s which has amounted thereon a spool t the axis of which is at right angles to the line of travel of the is ri idly mounted an angle shaped lever, the ownturned end at of which is so positioned as to, remain in close proximity-to the revolving ratchet 7L, and the other end a of which, through the aperture '0, engages the against the spring;
  • w. r will be understoodthat the shaft 2), the. we ght 1;, the levers s, a and a operate as tained' by the contact of the roller t against the upwandly running roving Ayand, in
  • the bell is mounted on the shaft G will revolve therewith, andcthe finger piece at will strike the now stationary cam shaped lips mounted on the ratchet wheel h and by an intermittentdownward pressure of the finger lever m the bell is will be caused to ring, it also being understood that under the conditions just above stated for causing the operation of the alarm the friction band 6 slips on the The operator is thus immediately notified of a break in the roving and upon coming to that part of the machine where the roving is broken, the same, by a backward thrust of the lever 8, may be engaged in the recess :0 of the flat metal strip 3 thereby causing the bell to cease ringing and affording a better opportunity of making the necessary repair to the broken roving, after the performance of which, by a simple operation of the hand, the spool or pulley t is returned to its proper axial relation to the roving and the machine is again set in operation.
  • the wheel it being rigidly having the ratchet teeth it at its edge and the one or more cam lips 12- projecting laterally from its face is an element which under normal conditions, that is when the roving is running unbroken, turns as one with the shaft on which it is mounted and which, nevertheless, is one which under the conditions calling for automatic action of the device may be restrained against rotation while the shaft alarm bell and its operating finger continue to revolve; and the provision of the strap 6 which frictionally engages the drum or pulley 0 and which strap has the connection with the cam lip provided wheel h establishes the conditions rendered necessary.
  • the shaft P has been placed on the inner side of the roving A and the lever M has been positioned above the ratchet. wheel h, the spring lever M has been transferred to a forward position so that in case of a break in the roving the wheel 25, the
  • lever s and accompanying parts will be caused to fall away from the machine instead of toward the machine; and the lever it having the hook-shaped extremity u 1s brought into contact with the revolving ratchet wheel h in an opposite way to that illustrated in Fig. 3.
  • the lever s is secured in a backward position within the recess a in the hook shape part 9 i
  • I have not departed from the fundamental principles of the invention, but simply in the relatlve arrangement of the parts.
  • an alarm device for spinning ma chinery, in combination with feed rolls for the roving a shaft, means for actuating said shaft from said feed rolls, a wheel loose on the shaft and formed with a tooth, and a cam lip on said wheel, an alarm device rotatable with the shaft and having an actuating part for engagement with said cam lip, a pulley fixed on the shaft, a friction and engaging the pulley and secured to said wheel, a second shaft, a lever connected to such second shaft and having its free end engaging the roving, a weight connected to the second shaft to partially rotate same, and a part carried by the second shaft for engagement with the tooth of said wheel to hold the latter against rotation to thereby cause said lip to operate the alarm device.
  • an alarm bell fixed on and revoluble with the shaft and having a finger piece in cooperative proximity to a cam lip, which is formed as a lateral projection upon a wheel loose on the shaft and having a ratchet shaped tooth at its edge, means for frlctional connection between the shaft and said wheel to normally cause the two to rotate in unison, a pivoted device having a part adapted to engage the roving and a second part adapted to engage said tooth, whereby on breaking of the roving said second part of the pivoted device will be moved to en gage said tooth to hold the wheel stationary relatively to the continuously revolving shaft and bell.

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

Description

M. E. WALSH. ALARM MECHANISM FOR GARDING AND OTHER TEXTILE MACHINES.
APPLIOATION FILED DEO.16, 1910.
Patented Nov. 5, 1912.
WITNESSES.-
M. E. WALSH. ALARM MEGHANISM FOP. OARDING AND OTHER TEXTILE MACHINES.
APPLICATION FILED DEG.16, 1910.
Patented Nov. 5, 1912.
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UNITED STATES PATENT OFFICE.
MICHAEL E. WALSH, or I-IINSZDATQE, .MAssA nUsnrrs.
Specification of Letters Patent.
Patented Nov. 5, 1912.
Application filed December 16, 1910. SeriaINo. 597,658;
To all whom it may concern:
Be it known that 1, MICHAEL E. WALSH, a citizen of the United. States of America, and resident of Hinsdale, in the county of Berk shire and State of Massachusetts, have invented certain new and useful Improvements in Alarm Mechanisms for Carding and other Textile Machines, of which the following is a full, clear, and exact description.
This invention relates to improvements in devices for maintaining and automatically operating alarms for spinning machinery, and has for its object the provision of means for notifying the machine tender of a break in the roving operated upon by machines of the class above referred to.
The invention is described in conjuntcion with the accompanying drawings and set forth in the claims.
In the drawings :-Figure 1 is a plan view of the device showing the parts as in their relative operating positions. Fig. 2 is a front elevation and partial section on line 22, Fig. 3. Fig. 3 is a. sectional elevation of Fig. 2 as seen at right angles thereto, Fig. 4: is an enlarged sectional view of the friction mechanism, taken on Line i.4;,. Fig, 1. Fig. 5 is a plan view of a construction similar to Fig. 1 but showing a modification of the mechanism. Fig. 6 is a front elevation and partial section taken on line 6?6, Fig. 7 illustrating a modified construction of the machine. Fig. I is a sectional view of Fig. 6.
Referring to the drawings, A represents a large strand of fiber, commonly termed the roving which is driven, between the feed] rolls B, in the direction of the arrow; and, to said. feed rolls, through the medium of the shaft F and gears C and D, is imparted the power in the usual manner. Constantly run,- ning and in mesh with the gear D is an? other gear F which drives the short shaft in the direction of the arrow a, which shaft has its bearings in the downwardly extended portion of the supporting bracket E; at or near the end of the shaft 7). At a convenient point on the shaft G is rigidly monnted a. pulley or drum 0 secured in place by the pin d which is causedf'to run in cooperative re: lation to the friction band-c composed of a suitable flexible material such as leather, the ends 9 of which are held by dish-shaped bolt f which passes therethrough held under pressure by the adjusting nuts By referring o Fis- 1 t ill a. seem-that the end f of the L-shaped bolt f engages: an.
opening in the ratchet wheel h, thereby causing said ratchet wheel h to revolve with the pulley c in yielding relation thereto, said ratchet wheel h being mounted loosely upon the shaft G. Adjacent the ratchet h is mounted a fixed collar j which is held in place on the shaft 9 by the pin j, thereby necessitating the revolving of the ratchet k in a fixed relation relatively to the shaft 9, Adjacent these mechanisms at a convenient point on the shaft G is mounted a bell is afiixed to. the shaft G by the clamp Z by means of the screw Z, said bell 70 being preferably of the ordinary bicycle type operated by the finger piece m.
Referring to Fig. 3 it will be seen that the finger piece m is so positioned relative to the ratchet it that the two cam lips 11. are inclose contact therewith; and it will be further understood that under ordinary running conditions these parts of the machine, namely the pulley c, the friction band 6, the ratchet h, collar j and bell 7c, revolving on the shaft G, are constantly rotated in a fixed relation to each other.
, Upon the larger bracket H is. mounted an iauxiliary bracket 0 upon which is supported the shaft P having on its outwardly extend-1 ing end 9 the weight r. To this shaft is secured an upstanding lever s which has amounted thereon a spool t the axis of which is at right angles to the line of travel of the is ri idly mounted an angle shaped lever, the ownturned end at of which is so positioned as to, remain in close proximity-to the revolving ratchet 7L, and the other end a of which, through the aperture '0, engages the against the spring; w. r will be understoodthat the shaft 2), the. we ght 1;, the levers s, a and a operate as tained' by the contact of the roller t against the upwandly running roving Ayand, in
lever. s will, through the medium of the ght nd. t e p ng-W 6 se t lfiall in a relatively inward direction, bring-ingcloser relationship. with the continuously res nmainingn stationary. And it is to be further roving. At the bifurcation of the bracket Q/ spring guide pin 4) in slight compression:
one lneinbenthe position of which is mains case of; the breakage of. the roving A the.
the, oiitturned end L4 of the. lever a into;
Yings atche Me d t uch. e a h PQSitiQn of, the. ratchet tooth h coincides. with the end of; the lever M the lever wilh 19.6. caused to fall into the ratchet tooth h .thereby resulting in; the ratchet wheeh re 1 pulley a.
understood that the bell is mounted on the shaft G will revolve therewith, andcthe finger piece at will strike the now stationary cam shaped lips mounted on the ratchet wheel h and by an intermittentdownward pressure of the finger lever m the bell is will be caused to ring, it also being understood that under the conditions just above stated for causing the operation of the alarm the friction band 6 slips on the The operator is thus immediately notified of a break in the roving and upon coming to that part of the machine where the roving is broken, the same, by a backward thrust of the lever 8, may be engaged in the recess :0 of the flat metal strip 3 thereby causing the bell to cease ringing and affording a better opportunity of making the necessary repair to the broken roving, after the performance of which, by a simple operation of the hand, the spool or pulley t is returned to its proper axial relation to the roving and the machine is again set in operation.
It is to be understood that the wheel it being rigidly having the ratchet teeth it at its edge and the one or more cam lips 12- projecting laterally from its face is an element which under normal conditions, that is when the roving is running unbroken, turns as one with the shaft on which it is mounted and which, nevertheless, is one which under the conditions calling for automatic action of the device may be restrained against rotation while the shaft alarm bell and its operating finger continue to revolve; and the provision of the strap 6 which frictionally engages the drum or pulley 0 and which strap has the connection with the cam lip provided wheel h establishes the conditions rendered necessary. And it is to be stated that when, under the breaking of the roving, the lever s, u, is swung to a position to engage the wheel having the cam lips n stopping the rotation, of such wheel, the alarm device constantly moving around with the shaft G will have the actuated member 72 thereof successively brought to impingements against the cam lips for swinging and releasing of such actuated member to repeatedly cause ghplhammer of the alarm device to strike the Referring to Figs. 5, 6 and 7, it will be seen that a modification of a very similar nature has been illustrated, where the adaptation of the previously described devices is inconsistent with the existing conditions on the machine itself, and by a reversal and transpositlon of the several parts of the mechanism better operation could be accomplished. The shaft P has been placed on the inner side of the roving A and the lever M has been positioned above the ratchet. wheel h, the spring lever M has been transferred to a forward position so that in case of a break in the roving the wheel 25, the
lever s and accompanying parts will be caused to fall away from the machine instead of toward the machine; and the lever it having the hook-shaped extremity u 1s brought into contact with the revolving ratchet wheel h in an opposite way to that illustrated in Fig. 3. The lever s is secured in a backward position within the recess a in the hook shape part 9 i In designing the mechanism in th1s way, it will be clearly seen that I have not departed from the fundamental principles of the invention, but simply in the relatlve arrangement of the parts.
What I claim is:
1. In an alarm device for spinning ma chinery, in combination with feed rolls for the roving a shaft, means for actuating said shaft from said feed rolls, a wheel loose on the shaft and formed with a tooth, and a cam lip on said wheel, an alarm device rotatable with the shaft and having an actuating part for engagement with said cam lip, a pulley fixed on the shaft, a friction and engaging the pulley and secured to said wheel, a second shaft, a lever connected to such second shaft and having its free end engaging the roving, a weight connected to the second shaft to partially rotate same, and a part carried by the second shaft for engagement with the tooth of said wheel to hold the latter against rotation to thereby cause said lip to operate the alarm device.
2. In an alarm device for spinning machinery, in combination with roving feeding means, a shaft, and means for driving same, an alarm bell fixed on and revoluble with the shaft and having a finger piece in cooperative proximity to a cam lip, which is formed as a lateral projection upon a wheel loose on the shaft and having a ratchet shaped tooth at its edge, means for frlctional connection between the shaft and said wheel to normally cause the two to rotate in unison, a pivoted device having a part adapted to engage the roving and a second part adapted to engage said tooth, whereby on breaking of the roving said second part of the pivoted device will be moved to en gage said tooth to hold the wheel stationary relatively to the continuously revolving shaft and bell.
Signed by me at Springfield, Mass, in presence of two subscribing witnesses.
MICHAEL E. WALSH- Witnesses:
G. R. DRISCOLL, WM. S. BELLENS.
Copies of this patent may be obtained for five cents each,
r Washington, D. G
by addressing the Commissioner of Patents:
US59765810A 1910-12-16 1910-12-16 Alarm mechanism for carding and other textile machines. Expired - Lifetime US1043486A (en)

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