US776121A - Spinning-spindle. - Google Patents
Spinning-spindle. Download PDFInfo
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- US776121A US776121A US21899104A US1904218991A US776121A US 776121 A US776121 A US 776121A US 21899104 A US21899104 A US 21899104A US 1904218991 A US1904218991 A US 1904218991A US 776121 A US776121 A US 776121A
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- bolster
- spindle
- case
- spring
- connection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
Definitions
- This invention relates to spinning-spindles adapted to be rotated at high speeds; and it has for its object the production of means for supporting and controlling' the spindle in such manner that it will run at high speed without jar or vibration and will be brought back to its proper center of rotation even when running with unbalanced loads and whereby the lit of the spindle in its bearing can be readily and quickly adjusted.
- the bolster-bearing of the spindle is under spring control, so that it is brought to a definite position when displaced temporarily by any cause, and as a result whatever the action of the spindle it will be returned toits proper and deiinite center of rotation.
- I have combined means to adjust the lit of the spindle in the bolster, and, as herein shown, this adjustment can be effected While the spindle is in operation, both the capacity for adjustment and the adjustability while the spindle is running being' of great importance.
- Figure 1 is a vertical sectional view of a spindle embodying one form oi2 my invention, all the parts being assembled in cooperative relation.
- Fig. 2 is a side elevation ofthe bolster and spindle-step and the spring connection therebetween, and Fig. is a similar view oil the detachable connection between the bolster-case and the upper end or head of the bolster.
- a spindle S of usual construction, having a tapering lower end or pintle S, the attached whirl WV, and bolsterease B, adapted to be clamped to the spindle- 5 rail R by a nut BX, said bolster-case having' an oil-reservoir 5X and a downholdw for the whirl, may be and are all substantially ot' wellknown construction, save in certain portions of the bolster-case, to be pointed out hereinafter.
- the bolster-case has a central opening made in its lower end or bottom, leaving' an shoulder 3 to rest or seat upon the upper end of the bolster case, said shoulder having notches l therein to receive the lugs (fi, whereby the connection is locked from rotation.
- connection below the shoulder 3 is ot' such a diameter as will permit it to readily enter the bolster-case, as in Fig. 1, and extend downward thereinto for some distance.
- the bolster 5, having oil-holes 5X, is provided with a tapering bore 6 toreeeive the spindle-pintle S', as is usual in bolster-bearing spindles, and at its upper end the bolster has an external screw-thread 7, adapted to be screwed into the suspension connection 1 with a loose fit.
- the screw connection the bolster is longitudinally movable in the suspension connection when one part is rotated with relation to the other part, and by making the screw-threads of the parts Ht loosely some slight lateral movement of the bolster is permitted with relation to the connection.
- the bolster is thus suspended from its upper end within the bolster-case, and by its vertical adjustment the lit ot' the spindlepintle in the tapering bore is changed when necessary.
- the bolster is reduced in diameter and a coarse spiral groove 8 is formed on the outside of the reduced portion, and one end of a spiral springQ is screwed into the groove, and thereby is positively connected with the bolster.
- a spindle-step 10 shown as a cylindrical block, usually made of hardened steel, has an external spiral groove 11 formed thereon, similar to the groove 8 but reversed, said groove 11 extending down to an annular enlargement or base 12 of the step, the base .having a conical or tapered lower portion 13.
- the lower end of the spiral spring 9 is screwed into the groove 11, and as the grooves 8 and 11 are reversed and the spring fits very tightly therein the bolster and step will turn together when the step is rotated without any slipping' of the spring.
- An expansible spring connection between the bolster and step is thus provided positively attached to each.
- a cylindrical threaded extension 14 projects beyond the base of the spindle-step and is long enough to pass through the hole b in the bottom of the bolster-case, said extension having a flattened or non-cylindrical extremity 15 for a purpose to be described. vWhen the parts are in position, a nut 16 is screwed upon the extension and bears against the bottom of the bolster-case, as shown in Fig. 1.
- rIhe flattened end 15 of the step extension 14 is now turned by the fingers or a wrench until the lit of the spindle-pintle in the bolster is correct, after which the nut 16 is -set up firmly by a wrench locking the parts.
- the fit of the spindle in the bolster can be adjusted while the spindle is running, (a feature of importance,) so that spindle vibration can be absolutely governed or controlled unless due to imperfect parts of the apparatus.
- the pull of the spring 9 is in the direction of the axis of rotation of the spindle and is uniform in all lateral directions, it responding quickly and easily to any tendency of the bolster to swing laterally within the suspension connection.
- the bolster will shift or swing laterally in response to the movement of the spindle when running with an unbalanced load, the sp-ringpermittingsuch movement and by its downward pull bringing the bolster and spindle yieldingly but steadily to the proper and definite center of rotation of the latter.
- the coils of the spring within the bolster-case and around the bolster act to prevent any sudden or violent Inovement of the bolster, serving as a species of lateral cushion therefor.
- a spindle-bearing in combination, a bolster-case, a bolster therein having a tapering bore to receive the pintle of the spindle, a spring under longitudinal tension or elongation attached to and controlling the bolster, and means to move the bolster longitudinally to change the fit of the spindle-pintle therein.
- a spindlebearing In a spindlebearing, the combination with a bolster-case, of a bolster suspended from its upper end therein and having a tapering bore to receive the pintle of the spindle, a spindle, and means to raise and lower the bolster relatively to and while the spindle is running, to change the relative fit of such parts.
- a spindle-bearing in combination, a bolster-case, a bolster suspended therein and having a tapering bore.to receive the pintle of the spindle, a spring under tension connected with and acting upon the bolster, and means to vertically adjust the bolster while under spring tension, to regulate the fit of the spindle-pintle in the bolster.
- a spindle having a tapered pintle, a bolster having a tapering bore to receive it, a bolster-case, a spring under tension operatively connected with the bolster and bolstercase, and means accessible from the exterior of the bolster-case to raise or lower the bolster with relation to the spindle, to change the relative lit of the pintle and bolster.
- the bolster being longitudinally movable in said connection, a spring attached to the bolster and acting through it against the connection, and means to effect longitudinal movement of' the bolster in the suspension connection, to vary the vertical position of' the bolster in the bolster-case.
- a vertically-adjustable bolster having a tapering bore to receive the pintle of the spindle, and means to maintain the bolster continuously under spring tension, exerted in the direction of the leng'th of the bolster.
- a spindle-bearing abolster-case, abolster therein having' a tapering' bore and an eX- ternally-threaded upper end, an internallythreaded connection to receive the threaded end of the bolster and adapted to seat on the upper end of the bolster-case, and means to prevent rotation of said connection, combined with a spring under tension between and connecting' the lower end oli' the bolster and the bolster-case, and means to rotate the bolster to effect longitudinal movement thereof in the bolster-case, the spring controlling the bolster and acting therethrough to maintain the connection seated.
- a bolster-case a bolster having a tapering bore within and vertically adjustable with relation to the bolstercase, and means including a member extended through the bottom of the bolster-case, and a spring iixedly connected with said member and with the bolster, to effect vertical adjustment of the bolster while the spindle is running.
- a bolster having a tapering bore to receive the pintle of the spindle, and having' an external spiral groove on .its lower end, a spindle-step having a reverse groove, and a spiral spring cooperating at its opposite ends with said grooves and positively connecting the bolster and step.
- a spindle-bearing in combination, a bolster-case, a bolster suspended therein and having a tapering' bore, a spindle-step, a spring' connecting' and positively attached to the bolster and step, means to stretch the spring and exert a downward pull upon the bolster, and means to act through the step and eli'ect vertical adjustment o'f the bolster while under spring control.
- a spindle-bearing in combination, a bolster-case, a vertically-adjustable bolster suspended therein and having a tapering bore, a spindle-step, a spring connecting and positively attached to the bolster and step, and means externally accessible at the bottom of' the bolster-case to stretch the spring and eX- erta downward pull upon and maintain the bolster under spring tension.
- a spindle-bearing in combination, a bolster-case having an annular seat at its lower end, a vertically-adjustable bolster suspended in the bolster-case and having a tapering bore, a spindle-step having a conical base to rest on the annular seat, and close the lower end of' the bolster-case, and provided with a threaded extension to project through said seat, a spring connecting' and positively attached to the bolster and step, and a nut adapted to be screwed upon the step extension outside of the bolster-case, to therebv stretch the spring' and bring the conical base of the spindle-step iirmly upon the annular seat.
- a spindle-bearing in combination. a bolster-case having an annular seat atits lower end, a bolster within the bolster-case and having a tapering bore, a suspension connection between the upper end of the bolster and the bolster-case and in which connection the bolster is rotatably and longitudinally movable, a spindle-step adapted to seat upon and close the central opening of the annular seat, a threaded extension on the seat, to project through the seat beyond the bottom of the bolster-case, a spring connecting and positively attached to the bolster and step, and a nut adapted to be screwed on the igu'ojecting end of the extension to stretch the spring' and seat the spindle-step upon the annular seat, rotation of said extension acting through the step and spring to rotate and vertically adjust the bolster in its suspension connection.
- a bolster-case In a spindle-bearing', a bolster-case, a tubular, internally-threaded suspension connection adapted to be supported thereby, means to lock said connection from rotation, and a bolster threaded at its upper end to engage loosely and be held in vertical position by said connection while permitting' slight lateral movement of' the bolster.
- a bolster-case In a spindle-bearing', a bolster-case, a bolster therein, having a tapering bore, a suspension connection between the bolster and the bolster-case, and means to vertically adjust the bolster by rotation of the same relatively to the suspension connection.
- a bolster in combination, a bolster, a bolster-case, a spring under tension attached to and extending' between said parts, and means acting through the spring to vertically adjust the bolster.
- a spindle-bearing in combination, a bolster, a bolster-case, a spring under tension positively attached to the bolster and rotatably connected with the bolster-case, bodily rotation of the spring acting' to rotate and vertically adjust the bolster, and means to maintain said spring' under tension and also to loch it from bodily rotation.
- a spindle-bearing in combination, a bolster-case, a Vertically-adjustable bolster mounted therein,and means, including a spring under tension and acting upon the bolster, to eifect Vertical adjustment oi' the bolster.
- a spindle-bearing in combination, a bolster-case, a vertically-adjustable bolster mounted therein, a spindle-step connected With the bolster, and means, including' a spring under tension and acting upon the bolster, to effect vertical adjustment of the latter.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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- Spinning Or Twisting Of Yarns (AREA)
Description
PATBNTBD NOV. 29, 1904.`
No. 776,121. l
- N G. o. DRAPBR.
SPINNING SPINDLE. APPLICATION FILED AUG. 1, 1904.
N0 MODEL.
no. arenal.
UNITED STATES Patented November 29, 1904.
`PATENT Orricn..l
GEORGE OTIS DRAPER, OF HOPEDALE, MASSACHUSETTS, ASSIGNOR TO SAIVYER SPINDLE COMPANY, A CORPORATION OF MAINE.
SPINNING-SPINDLE.
SPECIFICATION forming part of Letters Eatent No. 776,121, dated November 29, 1904i.
Application filed August 1, 19011. Serial No. 218,991. (No model.)
To n/ZZ whom it 1mi/y concern.-
Be it known that I, Geenen Oris DRArnn, a citizen ot' the United States, and a resident of Hopedale, county of Worcester, State of Massachusettshave invented an Improvement in Spinning-Spindles, of which the Jfollowing description, in connection with the accompanying drawings, is a specilication, like characters on the drawings representing like parts.
This invention relates to spinning-spindles adapted to be rotated at high speeds; and it has for its object the production of means for supporting and controlling' the spindle in such manner that it will run at high speed without jar or vibration and will be brought back to its proper center of rotation even when running with unbalanced loads and whereby the lit of the spindle in its bearing can be readily and quickly adjusted.
In the present embodiment of my invention the bolster-bearing of the spindle is under spring control, so that it is brought to a definite position when displaced temporarily by any cause, and as a result whatever the action of the spindle it will be returned toits proper and deiinite center of rotation. In connection with this structure I have combined means to adjust the lit of the spindle in the bolster, and, as herein shown, this adjustment can be effected While the spindle is in operation, both the capacity for adjustment and the adjustability while the spindle is running being' of great importance.
The various novel features oi' my invention will be fully described in the subjoined specilication and particularly pointed out in the following claims.
Figure 1 is a vertical sectional view of a spindle embodying one form oi2 my invention, all the parts being assembled in cooperative relation. Fig. 2 is a side elevation ofthe bolster and spindle-step and the spring connection therebetween, and Fig. is a similar view oil the detachable connection between the bolster-case and the upper end or head of the bolster.
Referring' to Fig. l, a spindle S, of usual construction, having a tapering lower end or pintle S, the attached whirl WV, and bolsterease B, adapted to be clamped to the spindle- 5 rail R by a nut BX, said bolster-case having' an oil-reservoir 5X and a downholdw for the whirl, may be and are all substantially ot' wellknown construction, save in certain portions of the bolster-case, to be pointed out hereinafter.
The bolster-case has a central opening made in its lower end or bottom, leaving' an shoulder 3 to rest or seat upon the upper end of the bolster case, said shoulder having notches l therein to receive the lugs (fi, whereby the connection is locked from rotation.
The lower portion of the connection below the shoulder 3 is ot' such a diameter as will permit it to readily enter the bolster-case, as in Fig. 1, and extend downward thereinto for some distance.
The bolster 5, having oil-holes 5X, is provided with a tapering bore 6 toreeeive the spindle-pintle S', as is usual in bolster-bearing spindles, and at its upper end the bolster has an external screw-thread 7, adapted to be screwed into the suspension connection 1 with a loose fit. By means oll the screw connection the bolster is longitudinally movable in the suspension connection when one part is rotated with relation to the other part, and by making the screw-threads of the parts Ht loosely some slight lateral movement of the bolster is permitted with relation to the connection. The bolster is thus suspended from its upper end within the bolster-case, and by its vertical adjustment the lit ot' the spindlepintle in the tapering bore is changed when necessary. At its lower end the bolster is reduced in diameter and a coarse spiral groove 8 is formed on the outside of the reduced portion, and one end of a spiral springQ is screwed into the groove, and thereby is positively connected with the bolster.
A spindle-step 10, shown as a cylindrical block, usually made of hardened steel, has an external spiral groove 11 formed thereon, similar to the groove 8 but reversed, said groove 11 extending down to an annular enlargement or base 12 of the step, the base .having a conical or tapered lower portion 13. The lower end of the spiral spring 9 is screwed into the groove 11, and as the grooves 8 and 11 are reversed and the spring fits very tightly therein the bolster and step will turn together when the step is rotated without any slipping' of the spring. An expansible spring connection between the bolster and step is thus provided positively attached to each. By reference to Fig. 1 it will be seen that when the parts are assembled the spindle-step is in a definite position with relation to the suspension connection 1, so that vertical movement of the bolster therein affects the fit of the pintle in the bore of the bolster.
A cylindrical threaded extension 14 projects beyond the base of the spindle-step and is long enough to pass through the hole b in the bottom of the bolster-case, said extension having a flattened or non-cylindrical extremity 15 for a purpose to be described. vWhen the parts are in position, a nut 16 is screwed upon the extension and bears against the bottom of the bolster-case, as shown in Fig. 1.
In assembling the bolster having the connected spindle-step is screwed into the suspension connection 1 and the several parts are pushed down into the bolster-case until the shoulder 3 rests upon its upper edge, as in Fig. 1, the step extension 14 projecting through the bottom of the bolster-case. The nut 16 is then screwed up by the fingers until the conical portion 13 of the step is seated upon the annular seat 7/ in the bolster-case, thereby stretching the spring' 9 and putting the bolster under the control of the spring under tension. The base portion 18 tits so tightly on the annular seat that an oil-tight closure of the lower end of the bolster-case is secured, no packing or other closing means being required. rIhe flattened end 15 of the step extension 14 is now turned by the fingers or a wrench until the lit of the spindle-pintle in the bolster is correct, after which the nut 16 is -set up firmly by a wrench locking the parts.
It will be noted that the fit of the spindle in the bolster can be adjusted while the spindle is running, (a feature of importance,) so that spindle vibration can be absolutely governed or controlled unless due to imperfect parts of the apparatus. The pull of the spring 9 is in the direction of the axis of rotation of the spindle and is uniform in all lateral directions, it responding quickly and easily to any tendency of the bolster to swing laterally within the suspension connection. The bolster will shift or swing laterally in response to the movement of the spindle when running with an unbalanced load, the sp-ringpermittingsuch movement and by its downward pull bringing the bolster and spindle yieldingly but steadily to the proper and definite center of rotation of the latter. The coils of the spring within the bolster-case and around the bolster act to prevent any sudden or violent Inovement of the bolster, serving as a species of lateral cushion therefor.
Various changes or modifications may be made by those skilled in the art in the details of the construction and arrangement herein shown and described without departing from the spirit and scope of my invention.
Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. In a spindle-bearing, in combination, a bolster-case, a bolster therein having a tapering bore to receive the pintle of the spindle, a spring under longitudinal tension or elongation attached to and controlling the bolster, and means to move the bolster longitudinally to change the fit of the spindle-pintle therein.
2. In a spindlebearing, the combination with a bolster-case, of a bolster suspended from its upper end therein and having a tapering bore to receive the pintle of the spindle, a spindle, and means to raise and lower the bolster relatively to and while the spindle is running, to change the relative fit of such parts.
3. In a spindle-bearing, in combination, a bolster-case, a bolster suspended therein and having a tapering bore.to receive the pintle of the spindle, a spring under tension connected with and acting upon the bolster, and means to vertically adjust the bolster while under spring tension, to regulate the fit of the spindle-pintle in the bolster.
4. In a spindle-bearing, the combination with a bolster-case, of a bolster therein having a tapering bore to receive the pintle of the spindle, a suspension connection between the bolster-case and the upper end of the bolster, a spring under tension connected with the lower end of the latter, and means to effect longitudinal movement of the bolster with relation to the suspension connection.
5. A spindle having a tapered pintle, a bolster having a tapering bore to receive it, a bolster-case, a spring under tension operatively connected with the bolster and bolstercase, and means accessible from the exterior of the bolster-case to raise or lower the bolster with relation to the spindle, to change the relative lit of the pintle and bolster.
6. The combinatiomin aspindle-bearing, of a bolster-case, a bolster therein, a connection between it and the bolster-case and with relation to which the bolster is longitudinally adjustable, and a spring acting upon thebolster in opposition to said connection.
7. The combination, in aspindle-bearing, of a bolster-case, a bolster therein, a suspension connection between it and the bolster-case,
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non-rotatively held on the latter, the bolster being longitudinally movable in said connection, a spring attached to the bolster and acting through it against the connection, and means to effect longitudinal movement of' the bolster in the suspension connection, to vary the vertical position of' the bolster in the bolster-case.
8. In a spindle-bearing, in combination, a vertically-adjustable bolster having a tapering bore to receive the pintle of the spindle, and means to maintain the bolster continuously under spring tension, exerted in the direction of the leng'th of the bolster.
9. In a spindle-bearing, abolster-case, abolster therein having' a tapering' bore and an eX- ternally-threaded upper end, an internallythreaded connection to receive the threaded end of the bolster and adapted to seat on the upper end of the bolster-case, and means to prevent rotation of said connection, combined with a spring under tension between and connecting' the lower end oli' the bolster and the bolster-case, and means to rotate the bolster to effect longitudinal movement thereof in the bolster-case, the spring controlling the bolster and acting therethrough to maintain the connection seated.
10. In a spindle-bearing', a bolster-case, a bolster having a tapering bore within and vertically adjustable with relation to the bolstercase, and means including a member extended through the bottom of the bolster-case, and a spring iixedly connected with said member and with the bolster, to effect vertical adjustment of the bolster while the spindle is running.
11. In a spindle-bearing, a bolster having a tapering bore to receive the pintle of the spindle, and having' an external spiral groove on .its lower end, a spindle-step having a reverse groove, and a spiral spring cooperating at its opposite ends with said grooves and positively connecting the bolster and step.
12. In a spindle-bearing, in combination, a bolster-case, a bolster suspended therein and having a tapering' bore, a spindle-step, a spring' connecting' and positively attached to the bolster and step, means to stretch the spring and exert a downward pull upon the bolster, and means to act through the step and eli'ect vertical adjustment o'f the bolster while under spring control.
13. In a spindle-bearing', in combination, a bolster-case, a vertically-adjustable bolster suspended therein and having a tapering bore, a spindle-step, a spring connecting and positively attached to the bolster and step, and means externally accessible at the bottom of' the bolster-case to stretch the spring and eX- erta downward pull upon and maintain the bolster under spring tension.
14. In a spindle-bearing, in combination, a bolster-case having an annular seat at its lower end, a vertically-adjustable bolster suspended in the bolster-case and having a tapering bore, a spindle-step having a conical base to rest on the annular seat, and close the lower end of' the bolster-case, and provided with a threaded extension to project through said seat, a spring connecting' and positively attached to the bolster and step, and a nut adapted to be screwed upon the step extension outside of the bolster-case, to therebv stretch the spring' and bring the conical base of the spindle-step iirmly upon the annular seat.
15. In a spindle-bearing, in combination. a bolster-case having an annular seat atits lower end, a bolster within the bolster-case and having a tapering bore, a suspension connection between the upper end of the bolster and the bolster-case and in which connection the bolster is rotatably and longitudinally movable, a spindle-step adapted to seat upon and close the central opening of the annular seat, a threaded extension on the seat, to project through the seat beyond the bottom of the bolster-case, a spring connecting and positively attached to the bolster and step, and a nut adapted to be screwed on the igu'ojecting end of the extension to stretch the spring' and seat the spindle-step upon the annular seat, rotation of said extension acting through the step and spring to rotate and vertically adjust the bolster in its suspension connection.
16. In a spindle-bearing', a bolster-case, a tubular, internally-threaded suspension connection adapted to be supported thereby, means to lock said connection from rotation, and a bolster threaded at its upper end to engage loosely and be held in vertical position by said connection while permitting' slight lateral movement of' the bolster.
17. In a spindle-bearing', a bolster-case, a bolster therein, having a tapering bore, a suspension connection between the bolster and the bolster-case, and means to vertically adjust the bolster by rotation of the same relatively to the suspension connection.
18. The combination, witha rotatable spindle, and a bolster therefor under spring tension exerted in the direction ol. the length of the bolster, of means to adjust the lit of the spindle in the bolster. i
19. In a spindle-bearing, in combination, a bolster, a bolster-case, a spring under tension attached to and extending' between said parts, and means acting through the spring to vertically adjust the bolster.
20. In a spindle-bearing, in combination, a bolster, a bolster-case, a spring under tension positively attached to the bolster and rotatably connected with the bolster-case, bodily rotation of the spring acting' to rotate and vertically adjust the bolster, and means to maintain said spring' under tension and also to loch it from bodily rotation.
21. In a siiiimlle-bearing, in combination, a bolster, a bolster-case, a spring under tension attached to and extending between said parts,
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a connection between the bolster-case and ybolster and in which the latter is rotatable to effect vertical adjustment thereof, and means to effect rotation of the bolster by or through the spring.
22. In a spindle-bearing, in combination, a bolster-case, a Vertically-adjustable bolster mounted therein,and means, including a spring under tension and acting upon the bolster, to eifect Vertical adjustment oi' the bolster.
23. In a spindle-bearing, in combination, a bolster-case, a vertically-adjustable bolster mounted therein, a spindle-step connected With the bolster, and means, including' a spring under tension and acting upon the bolster, to effect vertical adjustment of the latter.
In testimony WhereofI have signed my name to this specification in the presence of two subscribing Witnesses.
JOHN C. EDWARDS, MABEL PARTELOW.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21899104A US776121A (en) | 1904-08-01 | 1904-08-01 | Spinning-spindle. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21899104A US776121A (en) | 1904-08-01 | 1904-08-01 | Spinning-spindle. |
Publications (1)
Publication Number | Publication Date |
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US776121A true US776121A (en) | 1904-11-29 |
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ID=2844606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US21899104A Expired - Lifetime US776121A (en) | 1904-08-01 | 1904-08-01 | Spinning-spindle. |
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US (1) | US776121A (en) |
-
1904
- 1904-08-01 US US21899104A patent/US776121A/en not_active Expired - Lifetime
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