US3164307A - Pivoted distributor arm supporting a discharge hose in a liquid dispensing device - Google Patents

Pivoted distributor arm supporting a discharge hose in a liquid dispensing device Download PDF

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Publication number
US3164307A
US3164307A US237561A US23756162A US3164307A US 3164307 A US3164307 A US 3164307A US 237561 A US237561 A US 237561A US 23756162 A US23756162 A US 23756162A US 3164307 A US3164307 A US 3164307A
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US
United States
Prior art keywords
arm
supply hose
collector
distributor
discharge end
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
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US237561A
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English (en)
Inventor
Hrdina Jiri
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Czech Academy of Sciences CAS
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Czech Academy of Sciences CAS
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/18—Devices for withdrawing samples in the liquid or fluent state with provision for splitting samples into portions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/80—Fraction collectors
    • 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
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents
    • Y10T74/20648—Interrelated lever release
    • 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
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents
    • Y10T74/20666—Lever engaging
    • 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
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20882—Rocker arms
    • 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
    • Y10T74/21—Elements
    • Y10T74/2173—Cranks and wrist pins
    • Y10T74/2178—Yieldable

Definitions

  • the present invention relates to a liquid dispensing device and more particularly to a device of this type supplying liquid to vessels placed in a plurality of circular rows around a rotary fraction collector in preparatory chromatography and in similar processes, where a relatively large number of fractions has to be collected.
  • fractions are collected in vessels which are placed in one circle around a rotary collector, whose rotatable part carries an arm, usually a simple tube arranged for stepwise rotary movement and provided with a mouthpiece from which the liquid to be collected is discharged, the mouthpiece travelling step by step above the collecting vessels.
  • a rotary collector whose rotatable part carries an arm
  • a simple tube arranged for stepwise rotary movement and provided with a mouthpiece from which the liquid to be collected is discharged, the mouthpiece travelling step by step above the collecting vessels.
  • These known devices usually collect the liquid in bottles, whose necks are provided with funnels almost contacting one another, in order to prevent the liquid from flowing outside the bottles during the periods when the mouthpiece travels from one bottle to the next.
  • the positioning of the vessels in relation to the collector has to be performed with great care and the number of fractions to be collected is limited by the size and shape of the vessels and their above referred to funnels which have to conform to the number of steps which the collector is able to effect during one revolution and, which are available in a limited number of types and further in view of the available working space and the length of the describing arm.
  • the present invention aims at removing the aforementioned disadvantages.
  • the vessels are placed in a plurality of concentric circular rows or in a continuing helical row and the known rigid distributing arm is replaced by an arm permitting the mouthpiece for the discharge of the liquid to be brought successively into operative positions relative to receiving vessels which are at least partly differently distanced from the rotational axis of the distributing arm.
  • the distributor arm according to the invention rotating with a spindle of a rotatable fraction collector comprises a central or base part and a peripheral or extension part; the outer end of the central part is journaled to one end of the peripheral part of the distributor arm, the other end of said peripheral arm adjustably supporting a holder for the supply hose.
  • the saidparts of the distributor arm are connected by spring catch means for example it garries at that end where it is journalled to the central part of the arm, asegment provided with notches, in which a roller is pressed by a spring, said roller being mounted on a lever arranged for rocking movement in the central part of the arm
  • the end of the immovable axis of the rotary fraction collector carries an immovable arm with a roller adapted to engage one of the guide members secured to an auxiliary segment which is journalled for swivelling movement about an axis fixed in the central part of the distributor arm.
  • the rotatable auxiliary segment is connected to the peripheral part of the distributor arm by means of a connecting rod and pins.
  • the auxiliary segment which is rotatable about the axis fixed in the central part of the distributor arm, carries a guide roller engaging a spiral guide fixed by means of a plate to the immovable axis of the rotary fraction collector.
  • the distributor arm according to the invention can be arranged as a supplementary device in connection with most conventional types of rotary fraction collectors as are generally used in laboratories.
  • FIG. 1 shows schematically, certain parts shown in FIG. 2 being omitted, an elevational sectional view of my new device.
  • FIG. 2 shows a plan view thereof
  • FIG. 3 shows in elevational section a modified detail of the device.
  • a conventional rotary fraction collector is represented by disk 4 attached to a stepwise rotatable hollow shaft 3 which is rotatably mounted on a stationary axle 18.
  • the upper end of this axle extends beyond the hollow shaft 3 and a radially extending arm 17 is adjustably fastened thereto.
  • a distributor arm consisting of an arm base 1 attached to the'shaft 3 and an arm extension 6 jointed thereto by pivot 5 guides the discharge end of a supply hose 8 stepwise to a plurality of receiving vessels arranged in at least two concentric circular rows in even spacings conforming to stepwise displacement of the discharge end of the hose 8.
  • This discharge end is held in a holder 7 which is adjustably attached to the outer end of the arm extension 6 for example by a screw 10 engaging a slot 9 thereof.
  • the arm extension 6 is held by conventional spring catch means in variable angular positions relative to the arm base 1 so that the effective rotational radius of the discharge end of the supply hose 8 held by its holder 7 may be changed.
  • the arm extension 6 may be provided with a ratchet segment 11 attached thereto and including notches 15 which are engaged by a roller 12 of a pawl 13 swingably mounted on the arm base 1 and loaded by a spring 14 to ensure the engagement of the roller 12 into one or the other notch 15. It will be understood that the arm extension 6 will partake in the stepwise rotation of the spindle 3 and that the discharge end of the hose will rotate in different circular rows as the roller 12 engages one or the other notch 15.
  • the radially extending arm 17 attached to the stationary axle 18 holds a follower such as roller 16 which is adapted to engage successively a plurality of steering plates 1%, 19b, 19c and to pass through the space between neighboring steering plates.
  • These steering plates are supported by a swing member 20 pivotable about stud 21 on arm base 1 and the swing member 20 is linked to the arm extension 6 by a connecting rod 22 at 23, 24 in such manner that the joints 5, 21, 23, 24 define a parallelogram linkage as indicated by the dotted lines in FIG. 2.
  • My distributing devices operates as follows:
  • roller 16 After roller 16 has engaged steering plate 19a, and v the distributing arm 1-6 hascompleted a full revolution in anticlockwise direction as indicated by the arrow in FIG. 2, said roller 16 engages the steering plate 1% and passes between the neighboring steering plates 19b, 190, until after another full revolution of the distributing arm 1-6 it engages the steering plate thereby causing the swing member 20 to turn in three stages in clockwise direction and to push by means of the connecting rod 22 the arm extension 6 outwardly until the roller 12 snaps into the next notch 15 of the ratchet member 11, bringing the discharge end of the hose 3 into operational location 63 relative to the next following circular row of receiving vessels. 7
  • the base member 24 may be pivoted directly on the pivot 5 thus eliminating the connecting rod 22.
  • the amended device will operate as described before.
  • the receiving vessels may be placed evenly spaced in a continuously helical row around the fraction collector.
  • the device is modified as indicated in FIG. 3.
  • the swing plate 24 is provided with a roller or other follower 3B which engages a spiral shaped steering member 31 arranged on the support 32 fixed to the stationary axle 18.
  • the spring catch members 11, 12, 13, 14 may also be modified in any known manner to permi t a controlled swing movement of the arm extension 6 relative to the arm base 1.
  • the device has to be supplemented by a correction member, for instance by substituting a rolling'joint for the simple rotatable joint 5 in order to link the parts of the arm together.
  • a correction member for instance by substituting a rolling'joint for the simple rotatable joint 5 in order to link the parts of the arm together.
  • the vessels may be placed in a continuous spiral.
  • the mechanism of the distributor arm has to be modified so as to effect the corresponding part of a radial displacement of the hose mouthpiece upon each step of the collector.
  • the auxiliary segment 20 mounted for rotation about the axis 21 arranged in the central part 1 of the distributor arm, carries a roller or follower 35 which engages a spiral guide 31 fixed by means of apl-ate 32 to the immovable axis 18 of the rotatable fraction collector.
  • dispensing means for supplying liquids to stationary receiving vessels placed evenly spaced in a plurality of circular rows centered on the rotatable central shaft of the collector, particularly for use in preparatory chromatography
  • said dispensing means comprising (a) a two-part distributor arm including an arm base fixed for stepwise rotation to the central shaft of the collector and an arm extension jointed with one end to the arm base;
  • Dispensing means comprise a plurality of steering plates; a support for said plates swingably mounted on the arm base; a connecting rod linking said support with the arm extension in a parallelogram linkage; and a stationary follower mounted for succeeding cooperation with the said steering plates.
  • Dispensing means comprise a plurality of steering plates; a support for said plates swingably mounted on the arm base; a connecting rod linking said support with the arm extension in a parallelogram linkage; a stationary axle coaxial with the rotatable shaft of the collector; an arm fixed to said axle; and a follower at the free end of said arm for succeeding cooperation with the said steering plates.
  • Dispensing means comprising a plurality of steering plates; a support for said plates swingably mounted on the arm base at its joint with the arm extension; connecting means between said support and the arm extension; and a stationary follower mounted for succeeding cooperation with the steering plates.
  • Dispensing means comprising a plurality of steering plates mounted on the arm extension and a stationary follower mounted for succeeding cooperation therewith.
  • dispensing means for supply liquids to stationary receiving vessels placed evenly spaced in a helical row centered on the rotational axis of the central shaft of the collector, particularly for use in preparatory chromatography
  • said dispensing means comprising (a) a two-part distributor arm including an arm base fixed for stepwise rotation to the central shaft of the collector and an arm extension jointed with one end to the arm base;

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  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Hydrology & Water Resources (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Basic Packing Technique (AREA)
US237561A 1961-11-18 1962-11-14 Pivoted distributor arm supporting a discharge hose in a liquid dispensing device Expired - Lifetime US3164307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS683261 1961-11-18

Publications (1)

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US3164307A true US3164307A (en) 1965-01-05

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US237561A Expired - Lifetime US3164307A (en) 1961-11-18 1962-11-14 Pivoted distributor arm supporting a discharge hose in a liquid dispensing device

Country Status (6)

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US (1) US3164307A (pt)
BE (1) BE624298A (pt)
CH (1) CH408455A (pt)
FR (1) FR1340440A (pt)
GB (1) GB1017068A (pt)
SE (1) SE303391B (pt)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598161A (en) * 1969-04-14 1971-08-10 William C Baldwin Layout fraction collector
WO1991004939A1 (en) * 1989-10-02 1991-04-18 Jones Richard W Method and apparatus for distributing a liquid
US5797546A (en) * 1996-10-29 1998-08-25 Morton International, Inc. Weight-supported adjustable mixing and dispensing gun for two chemically reactive materials
CN103983503A (zh) * 2014-05-23 2014-08-13 万宝矿产有限公司 一种铜钴合金分析制样方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1673152B1 (de) * 1964-04-01 1972-10-26 Technicon Instr Probenzufuehrgeraet fuer fortlaufend arbeitende Analysiergeraete
DE1598906B1 (de) * 1965-10-27 1970-07-23 Pollmann Dipl Chem Dr Rer Nat Fraktionssammler
SE450532B (sv) * 1981-09-22 1987-06-29 Pharmacia Ab Provbehandlingsanordning
FR2586811B1 (fr) * 1985-08-27 1987-12-18 Rhone Poulenc Rech Tube de piegeage adaptable a la sortie d'un chromatographe en phase gazeuse et dispositif de support et de presentation d'un tel tube

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US789728A (en) * 1903-10-28 1905-05-16 William Hinrichs Adjustable bed-spring.
US1238910A (en) * 1913-12-13 1917-09-04 Cutler Hammer Mfg Co Vehicle-controller.
US2654522A (en) * 1951-02-17 1953-10-06 Technicon Chromatography Corp Fraction collection apparatus
US2712403A (en) * 1950-05-15 1955-07-05 T L Smith Co Water measuring device
US2894542A (en) * 1955-09-30 1959-07-14 Lkb Produkter Fabriksaktiebola Apparatus for collecting liquid samples
US2997077A (en) * 1959-04-06 1961-08-22 Microchemical Specialties Co Fraction collector
US3063528A (en) * 1959-03-30 1962-11-13 Allis Chalmers Mfg Co Clutch lockout
US3081158A (en) * 1959-12-28 1963-03-12 Technicon Instr Liquid treatment apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US789728A (en) * 1903-10-28 1905-05-16 William Hinrichs Adjustable bed-spring.
US1238910A (en) * 1913-12-13 1917-09-04 Cutler Hammer Mfg Co Vehicle-controller.
US2712403A (en) * 1950-05-15 1955-07-05 T L Smith Co Water measuring device
US2654522A (en) * 1951-02-17 1953-10-06 Technicon Chromatography Corp Fraction collection apparatus
US2894542A (en) * 1955-09-30 1959-07-14 Lkb Produkter Fabriksaktiebola Apparatus for collecting liquid samples
US3063528A (en) * 1959-03-30 1962-11-13 Allis Chalmers Mfg Co Clutch lockout
US2997077A (en) * 1959-04-06 1961-08-22 Microchemical Specialties Co Fraction collector
US3081158A (en) * 1959-12-28 1963-03-12 Technicon Instr Liquid treatment apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598161A (en) * 1969-04-14 1971-08-10 William C Baldwin Layout fraction collector
WO1991004939A1 (en) * 1989-10-02 1991-04-18 Jones Richard W Method and apparatus for distributing a liquid
US5797546A (en) * 1996-10-29 1998-08-25 Morton International, Inc. Weight-supported adjustable mixing and dispensing gun for two chemically reactive materials
CN103983503A (zh) * 2014-05-23 2014-08-13 万宝矿产有限公司 一种铜钴合金分析制样方法

Also Published As

Publication number Publication date
SE303391B (pt) 1968-08-26
FR1340440A (fr) 1963-10-18
CH408455A (de) 1966-02-28
BE624298A (pt)
GB1017068A (en) 1966-01-12

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