US2536754A - Detaching motion - Google Patents
Detaching motion Download PDFInfo
- Publication number
- US2536754A US2536754A US77396A US7739649A US2536754A US 2536754 A US2536754 A US 2536754A US 77396 A US77396 A US 77396A US 7739649 A US7739649 A US 7739649A US 2536754 A US2536754 A US 2536754A
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- gear
- shaft
- drive
- planet
- walls
- Prior art date
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- 150000001875 compounds Chemical class 0.000 description 21
- 239000011435 rock Substances 0.000 description 18
- 241000347389 Serranus cabrilla Species 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G19/00—Combing machines
- D01G19/06—Details
- D01G19/14—Drawing-off and delivery apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
Definitions
- the invention relates to combing machines, and has for its'primary object the provision of an improved detaching roll drive or motion of such simplicity, compactness and organizationas to be capable of operation with a minimum of vibration and effort, and hence, at high speeds.
- a further object, contributing to the same general result, is the elimination of play or back-lash such as has characterized prior constructions.
- Fig. 1 is a diagrammatic plan view of a comber, showing the preferred location of the improved detaching roll drive;
- Fig. 2 is a broken out, elevational view looking toward the right-hand end of the comber of .
- Fig. 3 is a vertical section on the line 33 of J I
- Fig. 4 is a top plan view of the drive (portions of thefhousing walls being removed'to expose the parts); and f 1 Figs. 5.
- 6 and 7 are ,yertical sections on the lines 5 5, .6 8. and 'I'I, respectively, of Fig. 4 (thebackground being omitted in FigsQG and 7).
- comber I including end frame members 2 and 3, is shown in more or less standard
- a draw box a and coiler 5 being indicated at the left.
- a housing 6 which encloses the, roll ber ⁇ and-the outer wall acover removably secured to the surrounding, housing wall 9.
- the organization isadapted to permit the I mechanism .to be housed, as indicated, in what serve asan oil bath enclosure, sothat adequate lubrication at all times is assured, without danger of the lubricant'spreading to'other parts of the comberand'so'iling the stock.
- sea visas (o1. 19-11s)
- the drive shaft for the motion may be the usual comb cylinder shaft I0, at least a portion of which extends between the walls I, '8.
- the shaft I0 is journaled in these walls andextends beyond the outer wall where/on its freeend, it carries a drive pulley I0a.
- Keyed to'shaft l0 between-walls I, 8' is adrive gear I I which meshes with the teeth IZ 'of a compound gear I3, sometimesfor convenience referred to herein as the first driven gear.
- Gear I3 is mounted on and, in this instance, free to rotate upon, a second shaft I4 which, like the drive shaft, has at least a portion of its length extending between the walls I, 8 and preferably, as shown, journaled in those wallsand extending beyond the outer wall.
- shaft I4 serves as and is sometimes referred to hereinas a rock shaft.
- the teeth IT of compound gear I3 mesh with the teeth I8 of a planet gear member, such as compound gear I 9, which is supported 'by a planet stud 20.
- the planet stud is, inturn, supported by a p1anet arm 2
- the teeth 22 of the planet gear member mesh with a gear 23," someti nes'referre'd to herein as the second driven gear, which is'also mounted on shaft I4.
- a second bottom detaching rol12I is indicated, its shaft 28 carrying-a pinion 29 which is driven from'pinion 24 through a longtooth idler 30 carried by shaft 3 I.
- the bottom detaching rolls 26,2"! cooperate withupper detaching rolls, the latter being indicated in dotted outline in Fig. 2, and
- the cam track is more or less kidney-shaped, including a concentric portion 36 extending through slightly more than half the circumferential length of the track; and a re-entrant portion consisting of straight stretches 31, 38 merging at a point 39 of minimum radius and at their outer ends merging smoothly into the ends of the concentric portion.
- the direction of rotation of shaft in and cam track 33 is indicated by the arrows in Figs. 5, 6 and '7.
- agplanetary detaching roll drive comprising: an oil bath housing, including inner and outer side walls; a comb cylinder shaft passing through both walls; a cam wheel mounted on said shaft on the outside of the outer wall; a
- a planetary detaching roll drive comprising in combination: a first wall; a second, parallel wall; a comb cylinder shaft passing through both walls; a cam wheel mounted on the comb cylinder shaft to rotate therewith; a drive gear secured to the comb cylinder shaft between said walls; a second shaft having at least a portion of its length extending between said walls parallel to the comb cylinder shaft; 2.
- first driven gear mounted on the second shaft between the walls and meshing with the drive gear
- second driven gear mounted on the second shaft between said walls
- planet gear member between said walls meshing with both the first and second driven gears
- a planet stud supporting the planet gear member
- a planet arm mounted on said second shaft and supporting the planet stud; and an oscillator connection between the cam wheel and the planet arm.
- a planetary detaching roll drive comprising in combination: a first wall; a second, parallel wall; a drive shaft having at least a portion of its length extending between said walls; a cam wheel secured to the drive shaft; a drive gear secured to the drive shaft between said walls; a rock shaft having at least a portion of its length extending between said walls parallel to the drive shaft; 2.
- first driven gear freely mounted on the rock shaft between the walls and meshing with the drive gear a second driven gear freely mounted on the rock shaft between said walls; a planet gear member between said walls meshing with both the first and second driven gears; a planet stud supporting the planet gear member; a planet stud supporting arm secured to said rock shaft and supporting the planet stud; and an oscillator connection between the cam wheel and the rock shaft.
- a planetary detaching roll drive comprising in combination: a first wall; a second, parallel wall; a drive shaft having at least a portion of its length extending between said walls; a drive gear secured to the drive shaft between said walls; a second shaft having at least a portion of its length extending between said walls parallel to the drive shaft; a first drivengear mounted on the second shaft between the walls and meshing with the drive gear; a second driven gear mounted on the second shaft "between said walls; a planet gear member between said walls meshing with both the first and second driven gears; a planet stud supporting the planet gear member; and aplanet stud supporting arm mounted on said second shaft with freedom to oscillate relatively to the driven gears.
- a planetary detaching roil drive comprising in combination: a drive shaft; a drive gear secured to the drive shaft; a second shaft, parallel to the drive shaft; a first driven gear mounted on the second shaft and meshing with the drive gear; a second driven gear mounted on the second shaft; a planet gear member meshing with both the first and second driven gears; a planet stud supporting the planet gear member; and a planet stud supporting arm mounted on said second shaft with freedom to oscillate relatively to the driven gears.
- a planetary detaching roll drive comprising the combination with a comb cylinder shaft and a roll drive gear, of a compound planet gear meshing with such gear, a rock shaft and a crank thereon supporting the planet gear,.a second com- ;pound gear .rotatably mounted on therock shaft, a drive gear secured to the comb cylinder shaft and meshing with the second compound gear, and
- a cam secured to the comb cylinder shaft and adapted to effect intermittent oscillation of said rock shaft.
- a planetary detaching roll drive comprising the combination with a comb cylinder shaft and a roll drive gear, of a compound planet gear meshing with such gear, a second compound gear meshing with the planet gear, a drive gear secured to the comb cylinder shaft and meshing with the second compound gear, and a cam secured to the comb cylinder shaft and adapted to impart orbital motion to the planet gear.
- a planetary detaching roll drive comprising a roll drive gear, a compound planet gear meshing therewith, a second compound gear meshing with the planet gear, a drive gear mesh-- ing with the second compound gear, and means for imparting orbital motion to the planet gear.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Retarders (AREA)
Description
1951 J. s. DUDLEY El'AL 2,536,754
DETACHING MOTION Filed FeFg. 19, 1949 4 Sheets-Sheet l 1NVENTOR.
Jan. 2, 1951 J, 5, DUDLEY r 2,536,754
DETACHING MOTION Filed Feb. 19, 1949 4 Sheets-Sheet 2 1N VENTOR. :2
Jan. 2, 1951 J. 5. DUDLEY EI'AL DETACHING, MOTION Filed Feb. 19, 1949 4 Sheets-Sheet 3 Jan. 2, 1951 J, 5, DUDLEY L 2,536,754
DETACHING MOTION Filed Feb. 19, 1949 4 Sheets-Sheet 4 Patented Jan. 2, 1951 TA-res PATENT OFFICE,
DETACHING ,IMO'IION John S; Dudley, Douglas, and Carl D. Brandt,
Y Whitinsville, Mass.
' Claims.
This application is a continuation-in-part ofapplication, Serial No. 708,740, filed November 8 1946, now abandoned. j The invention relates to combing machines, and has for its'primary object the provision of an improved detaching roll drive or motion of such simplicity, compactness and organizationas to be capable of operation with a minimum of vibration and effort, and hence, at high speeds. A further object, contributing to the same general result, is the elimination of play or back-lash such as has characterized prior constructions. I
With the foregoing and other objects and advantages in view, as will presently appear, the invention comprises the combinations and arrangements hereinafter described with reference to the accompanying drawings, which exemplify a present y preferred form of the invention. In the drawings:
Fig. 1 is a diagrammatic plan view of a comber, showing the preferred location of the improved detaching roll drive;
Fig. 2 is a broken out, elevational view looking toward the right-hand end of the comber of .Fig. 3 is a vertical section on the line 33 of J I Fig. 4 is a top plan view of the drive (portions of thefhousing walls being removed'to expose the parts); and f 1 Figs. 5. 6 and 7 are ,yertical sections on the lines 5 5, .6 8. and 'I'I, respectively, of Fig. 4 (thebackground being omitted in FigsQG and 7).
In Fig. '1 a comber I, including end frame members 2 and 3, is shown in more or less standard,
general arrangement, a draw box a and coiler 5 being indicated at the left. At'the right, there is indicated a housing 6 which encloses the, roll ber} and-the outer wall acover removably secured to the surrounding, housing wall 9. While it is. by no means essential that the drive .be wholly enclosed, it is a feature of this preferred form that the organization isadapted to permit the I mechanism .to be housed, as indicated, in what serve asan oil bath enclosure, sothat adequate lubrication at all times is assured, without danger of the lubricant'spreading to'other parts of the comberand'so'iling the stock. In Figs. -2 and 3 1 application February 19, 1949, sea visas (o1. 19-11s) v there is shown a sight gauge So, by which the oil level is indicated.
' The drive shaft for the motion may be the usual comb cylinder shaft I0, at least a portion of which extends between the walls I, '8. In this instance, the shaft I0 is journaled in these walls andextends beyond the outer wall where/on its freeend, it carries a drive pulley I0a. Keyed to'shaft l0 between-walls I, 8'is adrive gear I I which meshes with the teeth IZ 'of a compound gear I3, sometimesfor convenience referred to herein as the first driven gear. Gear I3 is mounted on and, in this instance, free to rotate upon, a second shaft I4 which, like the drive shaft, has at least a portion of its length extending between the walls I, 8 and preferably, as shown, journaled in those wallsand extending beyond the outer wall. In the present embodiment, shaft I4 serves as and is sometimes referred to hereinas a rock shaft. i
The teeth IT of compound gear I3 mesh with the teeth I8 of a planet gear member, such as compound gear I 9, which is supported 'by a planet stud 20. The planet stud is, inturn, supported by a p1anet arm 2| which is mounted on and, in this instance, secured to rock shaft I i. The teeth 22 of the planet gear member mesh with a gear 23," someti nes'referre'd to herein as the second driven gear, which is'also mounted on shaft I4. Gear 23, which'serves as the roll drive gear, meshes with a pinion 24 secured to the shaft 25 of bottom detaching roll 26. In this instance, as is common, a second bottom detaching rol12I is indicated, its shaft 28 carrying-a pinion 29 which is driven from'pinion 24 through a longtooth idler 30 carried by shaft 3 I. It will be understood that, as usual, the bottom detaching rolls 26,2"! cooperate withupper detaching rolls, the latter being indicated in dotted outline in Fig. 2, and
"tively to driven gears I3, '23. shown as comprising a wheel 32 incorporating a cam track generally designated 33; and running in the cam track is a cam roll 34, stud-supported in the end of a crank arm 35 secured to rock shaft I4. Oscillation of rock shaft I4 by the cam track 'andcani rollres'ults in oscillationof planet arm 2| and o compound gear l9 about the axis of roclcshaftfllll the described mechanism constituting' a planetary drive from gear II to the 3 detaching rolls and adapted, as the result of the orbital movement imparted to compound gear 19, which is the planet of the system, to drive the detaching rolls alternately forward and backward and at speeds determined by the shape of the cam. As will be recognized, the compound form of gears l3 and !9 provides appropriate re duction.
As shown more particularly in Fig. 5, the cam track is more or less kidney-shaped, including a concentric portion 36 extending through slightly more than half the circumferential length of the track; and a re-entrant portion consisting of straight stretches 31, 38 merging at a point 39 of minimum radius and at their outer ends merging smoothly into the ends of the concentric portion. The direction of rotation of shaft in and cam track 33 is indicated by the arrows in Figs. 5, 6 and '7.
By reason of the fact that the motion or drive consists of a simple train of components, which can be very closely spaced and which can be well supported immediately on both side by the adiacent walls 1, 8, a high degree of balance and freedom from whip and vibration are achieved. 1:
Also, by mounting all of the gear components between the walls and the cam and crank oscillating mechanism on the outside side of the outer wall, the indicated advantages of adequate lubrication and cleanliness are achieved, while permitting the timing of the motion (which is changed by adjusting the cam track relatively to the follower) .:to be adjusted without in any way disturbing the rest of the motion.
As will be understood, the details are subject to variation, within the claims, to meet the exigencies of particular situations; and in the light of the foregoing description of a preferred em- ;bodiment of the invention, the followin is claimed:
.1. In a comber, agplanetary detaching roll drive :comprising: an oil bath housing, including inner and outer side walls; a comb cylinder shaft passing through both walls; a cam wheel mounted on said shaft on the outside of the outer wall; a
drive gear secured to said shaft within the housing; a rock shaft journaled in said walls; a. first driven gear freely mounted on said rock shaft within the housing and meshing with the drive gear; a second driven gear freely mounted on the crock shaft within the housing; a compound planet gear meshing with both said driven gears; a planet stud, wholly within the housing, supporting the compound planet gear; a planet stud supporting .arm secured to the rock shaft within {first driven gear freely mounted on said rock {shaft within the housing and meshing with the .Idrive gear; a second driven gear freely mounted r on the rock shaft within the housing; a compound planet gear meshing with both said driven gears;
;a' planet stud supportin the compound planet -.i;gear; a planet stud supporting arm secured to j the rock shaft; a crank are: .secured to the rock shaft on the outside of the outer wall; and means ,connecting the crank arm and thecam wheel.
3. In a comber, a planetary detaching roll drive comprising in combination: a first wall; a second, parallel wall; a comb cylinder shaft passing through both walls; a cam wheel mounted on the comb cylinder shaft to rotate therewith; a drive gear secured to the comb cylinder shaft between said walls; a second shaft having at least a portion of its length extending between said walls parallel to the comb cylinder shaft; 2. first driven gear mounted on the second shaft between the walls and meshing with the drive gear; a second driven gear mounted on the second shaft between said walls; a planet gear member between said walls meshing with both the first and second driven gears; a planet stud supporting the planet gear member; a planet arm mounted on said second shaft and supporting the planet stud; and an oscillator connection between the cam wheel and the planet arm.
4. In a comber, a planetary detaching roll drive comprising in combination: a first wall; a second, parallel wall; a drive shaft having at least a portion of its length extending between said walls; a cam wheel secured to the drive shaft; a drive gear secured to the drive shaft between said walls; a rock shaft having at least a portion of its length extending between said walls parallel to the drive shaft; 2. first driven gear freely mounted on the rock shaft between the walls and meshing with the drive gear; a second driven gear freely mounted on the rock shaft between said walls; a planet gear member between said walls meshing with both the first and second driven gears; a planet stud supporting the planet gear member; a planet stud supporting arm secured to said rock shaft and supporting the planet stud; and an oscillator connection between the cam wheel and the rock shaft.
5. In a comber, a planetary detaching roll drive comprising in combination: a first wall; a second, parallel wall; a drive shaft having at least a portion of its length extending between said walls; a drive gear secured to the drive shaft between said walls; a second shaft having at least a portion of its length extending between said walls parallel to the drive shaft; a first drivengear mounted on the second shaft between the walls and meshing with the drive gear; a second driven gear mounted on the second shaft "between said walls; a planet gear member between said walls meshing with both the first and second driven gears; a planet stud supporting the planet gear member; and aplanet stud supporting arm mounted on said second shaft with freedom to oscillate relatively to the driven gears.
6. 'In a comber, a planetary detaching roil drive comprising in combination: a drive shaft; a drive gear secured to the drive shaft; a second shaft, parallel to the drive shaft; a first driven gear mounted on the second shaft and meshing with the drive gear; a second driven gear mounted on the second shaft; a planet gear member meshing with both the first and second driven gears; a planet stud supporting the planet gear member; and a planet stud supporting arm mounted on said second shaft with freedom to oscillate relatively to the driven gears.
7. A planetary detaching roll drive comprising the combination with a comb cylinder shaft and a roll drive gear, of a compound planet gear meshing with such gear, a rock shaft and a crank thereon supporting the planet gear,.a second com- ;pound gear .rotatably mounted on therock shaft, a drive gear secured to the comb cylinder shaft and meshing with the second compound gear, and
a cam secured to the comb cylinder shaft and adapted to effect intermittent oscillation of said rock shaft.
8. A planetary detaching roll drive comprising the combination with a comb cylinder shaft and a roll drive gear, of a compound planet gear meshing with such gear, a second compound gear meshing with the planet gear, a drive gear secured to the comb cylinder shaft and meshing with the second compound gear, and a cam secured to the comb cylinder shaft and adapted to impart orbital motion to the planet gear.
9. A planetary detaching roll drive comprising a roll drive gear, a compound planet gear meshing therewith, a second compound gear meshing with the planet gear, a drive shaft, a gear secured to the drive shaft and meshing with the second compound gear, and a cam secured to the drive shaft and adapted to impart orbital motion to the planet gear.
10. A planetary detaching roll drive comprising a roll drive gear, a compound planet gear meshing therewith, a second compound gear meshing with the planet gear, a drive gear mesh-- ing with the second compound gear, and means for imparting orbital motion to the planet gear.
JCJHN S. DUDLEY. CARL D. BRANDT.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77396A US2536754A (en) | 1949-02-19 | 1949-02-19 | Detaching motion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77396A US2536754A (en) | 1949-02-19 | 1949-02-19 | Detaching motion |
Publications (1)
Publication Number | Publication Date |
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US2536754A true US2536754A (en) | 1951-01-02 |
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ID=22137815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US77396A Expired - Lifetime US2536754A (en) | 1949-02-19 | 1949-02-19 | Detaching motion |
Country Status (1)
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US (1) | US2536754A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2621967A (en) * | 1948-03-30 | 1952-12-16 | Sorensen Kaj Valdemar | Sprinkling device for agricultural and horticultural purposes |
US2655817A (en) * | 1950-04-07 | 1953-10-20 | Sarl So Called Soc D Etudes De | Mechanism for converting a uniform motion into a variable motion |
US2658406A (en) * | 1951-05-04 | 1953-11-10 | Jr John Gibson Mcilvain | Variable speed feed mechanism |
EP2108721A1 (en) * | 2008-04-08 | 2009-10-14 | Maschinenfabrik Rieter Ag | Drive for detaching rollers in a combing machine |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US938189A (en) * | 1909-05-27 | 1909-10-26 | Alsacienne Constr Meca | Feeding device of heilmann combing-machine. |
GB191204425A (en) * | 1912-02-22 | 1913-01-09 | Robert Howard Lunn | Improvements in Combing Machines. |
GB191302019A (en) * | 1912-11-07 | 1914-01-22 | Paul August Helmbold | Improvements in Differential Gear for Producing Periodic Variations of Speed of the Drawing-off or Detaching-rollers of Heilmann and like Combing Machines. |
US1164458A (en) * | 1914-03-19 | 1915-12-14 | Max Boehmer | Combing-machine. |
US1169046A (en) * | 1913-02-10 | 1916-01-18 | Robert H Lunn | Combing-machine. |
US1394054A (en) * | 1918-10-07 | 1921-10-18 | Alsatian Machine Company | Detaching roll-motion for combing-machines |
US1818555A (en) * | 1929-09-05 | 1931-08-11 | Whitin Machine Works | Detaching roll motion |
US2353812A (en) * | 1940-10-02 | 1944-07-18 | Whitin Machine Works | Cotton comber |
US2382481A (en) * | 1942-05-16 | 1945-08-14 | Whitin Machine Works | Detaching motion |
US2444554A (en) * | 1940-10-02 | 1948-07-06 | Whitin Machine Works | Detaching system |
-
1949
- 1949-02-19 US US77396A patent/US2536754A/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US938189A (en) * | 1909-05-27 | 1909-10-26 | Alsacienne Constr Meca | Feeding device of heilmann combing-machine. |
GB191204425A (en) * | 1912-02-22 | 1913-01-09 | Robert Howard Lunn | Improvements in Combing Machines. |
GB191302019A (en) * | 1912-11-07 | 1914-01-22 | Paul August Helmbold | Improvements in Differential Gear for Producing Periodic Variations of Speed of the Drawing-off or Detaching-rollers of Heilmann and like Combing Machines. |
US1169046A (en) * | 1913-02-10 | 1916-01-18 | Robert H Lunn | Combing-machine. |
US1164458A (en) * | 1914-03-19 | 1915-12-14 | Max Boehmer | Combing-machine. |
US1394054A (en) * | 1918-10-07 | 1921-10-18 | Alsatian Machine Company | Detaching roll-motion for combing-machines |
US1818555A (en) * | 1929-09-05 | 1931-08-11 | Whitin Machine Works | Detaching roll motion |
US2353812A (en) * | 1940-10-02 | 1944-07-18 | Whitin Machine Works | Cotton comber |
US2444554A (en) * | 1940-10-02 | 1948-07-06 | Whitin Machine Works | Detaching system |
US2382481A (en) * | 1942-05-16 | 1945-08-14 | Whitin Machine Works | Detaching motion |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2621967A (en) * | 1948-03-30 | 1952-12-16 | Sorensen Kaj Valdemar | Sprinkling device for agricultural and horticultural purposes |
US2655817A (en) * | 1950-04-07 | 1953-10-20 | Sarl So Called Soc D Etudes De | Mechanism for converting a uniform motion into a variable motion |
US2658406A (en) * | 1951-05-04 | 1953-11-10 | Jr John Gibson Mcilvain | Variable speed feed mechanism |
EP2108721A1 (en) * | 2008-04-08 | 2009-10-14 | Maschinenfabrik Rieter Ag | Drive for detaching rollers in a combing machine |
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