An insert for a centrifuge rotor is provided. The insert is rotatable about an axis of rotation. The insert comprises: a plurality of container mountings for attaching a plurality of containers to the insert. Each container mounting comprises a corresponding first fluid passageway and a corresponding second fluid passageway. Each first fluid passageway comprises a first rotor port for delivering fluid to a container attached to the corresponding container mounting. Each second fluid passageway comprises a second rotor port for delivering fluid to a container attached to the corresponding container mounting, the second rotor port radially closer to the axis of rotation than the corresponding first rotor port. Fluid flow is inhibited in the second fluid passageways.
Universal micro-centrifuge rotors are described herein. In one aspect, a rotor body structure for a centrifuge can include: a receptacle configured to rotate about an axis of rotation and to contain a toroidal body that accepts sample containers, where the receptacle comprises (i) an outer wall extending circumferentially about the axis of rotation, (ii) an inner wall extending circumferentially about the axis of rotation, and (iii) a floor portion connecting the outer wall and the inner wall, where the outer wall defines a height measured along the axis of rotation, and where the inner wall defines a height measured along the axis of rotation.
Micro-centrifuge rotors for high-speed applications are described herein. In one aspect, a rotor for a centrifuge, the rotor defining an axis of rotation, and the rotor including: a first winding band defining a diameter, a top edge, and a bottom edge, and the first winding band extending circumferentially about the axis of rotation; a second winding band defining a diameter, a top edge, and a bottom edge, and the second winding band extending circumferentially about the axis of rotation; a rotor body extending between the first winding band and the second winding band, and at least one of the first winding band and the second winding band including a helical winding of carbon fiber, the top edge of the second winding band being separated by a distance as measured along the axis of rotation from the bottom edge of the first winding band.
A rotating seal configured to convert a batch centrifuge rotor to a continuous flow centrifuge rotor is provided. The rotating seal includes a static feed and a rotary module. The static feed hub includes an internal coolant chamber configured to provide cooling to components of the rotating seal, a first fluid passageway, a second fluid passageway, and a third and a fourth passageway fluidly connected to the internal coolant chamber through which fluid coolant is provided. The rotary module includes a first plurality of openings and a second plurality of openings with are in fluid communication with the first and second fluid passageways of the static feed hub, respectively, to pass a first and a second liquid medium through the rotating seal. The rotating seal further includes a bearing assembly and at least one lip seal located between the body of the static feed hub and the rotary module.
A drive head (20) of a centrifuge drive for detachably connecting a rotor to the centrifuge. The drive head includes a drive head hub (66) including a plurality of recesses (70) formed in an outer sidewall, a locking shoe (74) movably retained within each of the plurality of recesses by the retaining plate (68) so as to be pivotable about a pivot axis in a radially inward direction and a radially outward direction relative to the rotational axis of the centrifuge drive, and a resilient element (92) for biasing each locking shoe in the radially outward direction. Each locking shoe is configured to exert a radially outwardly directed force on an interior sidewall of the hub (22) of the centrifuge rotor to prevent axial movement of the centrifuge rotor along the rotational axis of the centrifuge drive and rotational movement of the centrifuge rotor relative to the drive head, with the radially outwardly directed force increasing with a rising rotational speed of the drive head.
A drive head (20) of a centrifuge drive for detachably connecting a rotor to the centrifuge. The drive head includes a drive head hub (58) including a plurality of recesses (62) formed in an outer sidewall, a locking shoe (66) movably retained within each of the plurality of recesses to define a hinge joint and pivotable about a hinge axis in a radially inward direction and a radially outward direction, and a resilient element for biasing each locking shoe in the radially inward direction. Each locking shoe is configured to exert a radially outwardly directed force (A2) on an interior sidewall of the hub (22) of the centrifuge rotor to prevent axial movement of the centrifuge rotor along the rotational axis of the centrifuge drive and rotational movement of the centrifuge rotor relative to the drive head, with the radially outwardly directed force increasing with a rising rotational speed of the drive head.
Systems and methods of clarifying a liquid suspension at high speeds contained in a flexible bag is provided. The method includes nesting at least one flexible bag containing the liquid suspension within at least one bag adapter with the at least one inlet line and/or outlet line extending from the flexible bag to an exterior of the bag adapter. The method further includes at least partially enclosing the at least one inlet line and/or outlet line within a crown cavity defined by a crown assembly. The method further includes centrifuging the at least one bag adapter and the at least one flexible bag containing the liquid suspension in a centrifuge to produce a supernatant fluid and a pellet in the at least one flexible bag.
A drive head (20) of a centrifuge drive for detachably connecting a rotor to the centrifuge. The drive head includes a drive head hub (74) having a plurality of recesses (98) spaced circumferentially and symmetrically about the drive head hub, a locking shoe (80) movably retained within each of the plurality of recesses and movable radially therein, and a resilient element (102) located between each locking shoe and the drive head hub for biasing each locking shoe in a radially outward direction relative to the rotational axis of the centrifuge drive. Each locking shoe is configured to exert a radially outwardly directed force on an interior sidewall of the hub of the centrifuge rotor to prevent axial movement of the centrifuge rotor along the rotational axis of the centrifuge drive and rotational movement of the centrifuge rotor relative to the drive head, with the radially outwardly directed force increasing with a rising rotational speed of the drive head.
A rotor (10) for use in a centrifuge includes a rotor body (12), a drive hub (20), and a balance ring (16, 160). The rotor body (12) includes an elongated bore (32) extending along its axis of rotation (24), and an upper surface (26) having an annular groove (42). The drive hub (20) is mounted within the elongated bore (32), and includes a drive portion (138) having a cross-sectional shape that is complementary to the cross-sectional shape of the elongated bore (32). The drive hub (20) applies torque to the rotor body (12) via engagement of the drive portion (138) with the lower bore opening (36) of the rotor body (12). The balance ring (16, 160) is positioned in the annular groove (42), and includes a plurality of apertures (78, 163) formed in an upper surface (90, 170) thereof. Each of the apertures (78, 163) is configured to receive a weight (80, 164) so that the rotor (10) can be balanced by selectively adding weights (80, 164) to one or more of the apertures (78, 163).
A rotor assembly that includes a rotor body having a plurality of rotor wells. The rotor body includes an upstanding annular lip that defines an annular containment groove configured to capture and retain material leaked from a sample container received a rotor well during rotation of the rotor assembly. The rotor body also includes an annular containment lip that forms a continuous extension of the annular containment groove. The rotor assembly includes a lid selectively attachable to the open end of the rotor body that includes a first undercut channel configured to receive a portion of a first sealing gasket formed as an annular disk. The lid is supported above the upper surface of the rotor body by the annular containment lip such that the first sealing gasket is positioned between the lid and the annular containment lip to form a seal between the lid and the rotor body.
A rotor assembly (10, 150, 270, 310) and method of using the rotor assembly (10, 150, 270, 310). The rotor assembly (10, 150, 270, 310) includes a bio-process bag (48), a drum (46) that receives a lower portion of the bag (48), and a pressure ring (50). A holder (54, 182) couples an upper portion of the bag (48) to the pressure ring (50). The pressure ring (50) is coupled to the drum (46) to define an interior space that contains the bag (48). A liquid transport assembly (35, 178, 272) passes through an opening in the holder (54, 182) so that liquids can be added to, and removed from, the bag (48) without removing the rotor (16, 154) from the centrifuge. A bearing assembly (190) in the holder (54, 182) couples the liquid transport assembly (35, 178, 272) to the rotor (16, 154), and enables the liquid transport assembly (35, 178, 272) to remain stationary while the rotor (16, 154) rotates around it. One or more seal assemblies (276, 312) provide a fluid-tight seal against the outer portion of the liquid transport assembly (35, 178, 272), and prevent fluids from leaking from the bag (48) during centrifugation.
A rotor for use in a centrifuge, and adapters for coupling one or more processing containers to the rotor. The rotor includes a rotor body having a plurality of receptacles each configured to receive an adapter. Each adapter includes an outer surface configured to interface with one of the receptacles, and one or more cavities each configured to accept a processing container. The rotor may also include a rotor liner positioned between the adapters and the rotor body. The rotor liner engages the receptacles of the rotor body, and provides a plurality of receptacles that receive the adapters, thereby providing an interface between the adapters and the receptacles of the rotor body.
A rotor assembly that includes a fixed-angle rotor with a plurality of rotor wells that each have a central axis in a fixed angular relationship relative to a rotational axis of the rotor to define a rotor well angle for each rotor well, and further includes an adapter for use with one of the rotor wells. The adapter includes a body with a circular cross-sectional shape that extends between a first end and a second end, and a sample tube cavity formed in the body. The cavity extends from an opening at the first end of the body to a closed base at the second end of the body and includes a longitudinal axis. When the adapter is positioned within the rotor well, the longitudinal axis of the cavity has an angular relationship relative to the rotational axis of the rotor that is different compared to the rotor well angle.
A rotor for use in a centrifuge, and a method for balancing the rotor. The rotor includes a plurality of apertures arranged circumferentially around the rotor's axis of rotation, each configured to selectively receive a weight. A critical speed is determined for the rotor, and an imbalance determined for the rotor at a test speed below the critical speed. A trial weight is installed in a reference aperture, and another imbalance determined at the test speed. The trial weight is repeatedly moved to another aperture angularly displaced from the previous aperture, and the imbalance measured at the test speed until a predetermined number of imbalance measurements have been obtained. A target mass and location for balancing the rotor is determined from the imbalance measurements, and balancing weights installed in apertures based on the target mass and location. The balancing process may be repeated for multiple critical frequencies.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Laboratory apparatus, namely, adapters for holding liquid
containers in a centrifuge rotor during rotation; laboratory
apparatus, namely, adapters for holding liquid containers in
a fixed-angle centrifuge rotor during rotation.
A rotor (10) for use in a centrifuge includes a rotor body (12), a drive hub (20), and a balance ring (16, 160). The rotor body (12) includes an elongated bore (32) extending along its axis of rotation (24), and an upper surface (26) having an annular groove (42). The drive hub (20) is mounted within the elongated bore (32), and includes a drive portion (138) having a cross-sectional shape that is complementary to the cross-sectional shape of the elongated bore (32). The drive hub (20) applies torque to the rotor body (12) via engagement of the drive portion (138) with the lower bore opening (36) of the rotor body (12). The balance ring (16, 160) is positioned in the annular groove (42), and includes a plurality of apertures (78, 163) formed in an upper surface (90, 170) thereof. Each of the apertures (78, 163) is configured to receive a weight (80, 164) so that the rotor (10) can be balanced by selectively adding weights (80, 164) to one or more of the apertures (78, 163).
A rotor (10) for use in a centrifuge includes a rotor body (12), a drive hub (20), and a balance ring (16, 160). The rotor body (12) includes an elongated bore (32) extending along its axis of rotation (24), and an upper surface (26) having an annular groove (42). The drive hub (20) is mounted within the elongated bore (32), and includes a drive portion (138) having a cross-sectional shape that is complementary to the cross-sectional shape of the elongated bore (32). The drive hub (20) applies torque to the rotor body (12) via engagement of the drive portion (138) with the lower bore opening (36) of the rotor body (12). The balance ring (16, 160) is positioned in the annular groove (42), and includes a plurality of apertures (78, 163) formed in an upper surface (90, 170) thereof. Each of the apertures (78, 163) is configured to receive a weight (80, 164) so that the rotor (10) can be balanced by selectively adding weights (80, 164) to one or more of the apertures (78, 163).
A rotor assembly (10, 150, 270, 310) and method of using the rotor assembly (10, 150, 270, 310). The rotor assembly (10, 150, 270, 310) includes a bio-process bag (48), a drum (46) that receives a lower portion of the bag (48), and a pressure ring (50). A holder (54, 182) couples an upper portion of the bag (48) to the pressure ring (50). The pressure ring (50) is coupled to the drum (46) to define an interior space that contains the bag (48). A liquid transport assembly (35, 178, 272) passes through an opening in the holder (54, 182) so that liquids can be added to, and removed from, the bag (48) without removing the rotor (16, 154) from the centrifuge. A bearing assembly (190) in the holder (54, 182) couples the liquid transport assembly (35, 178, 272) to the rotor (16, 154), and enables the liquid transport assembly (35, 178, 272) to remain stationary while the rotor (16, 154) rotates around it. One or more seal assemblies (276, 312) provide a fluid-tight seal against the outer portion of the liquid transport assembly (35, 178, 272), and prevent fluids from leaking from the bag (48) during centrifugation.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Laboratory apparatus, namely, adapters for holding liquid containers in a centrifuge rotor during rotation; laboratory apparatus, namely, adapters for holding liquid containers in a fixed-angle centrifuge rotor during rotation
A rotor (10, 150) for use in a centrifuge, and adapters (18, 154) for coupling one or more processing containers (142, 156) to the rotor (10, 150). The rotor (10, 150) includes a rotor body (22, 152) having plurality of receptacles (140, 194) each configured to receive an adapter (18, 154). Each adapter (18, 154) includes an outer surface configured to interface with one of the receptacles (140, 194), and one or more cavities (92, 200) each configured to accept a processing container (142, 156). The rotor (10, 150) may also include a rotor liner (20) positioned between the adapters (18, 154) and the rotor body (22, 152). The rotor liner (20) engages the receptacles (140, 194) of the rotor body, and provides a plurality of receptacles (100) that receive the adapters (18, 154), thereby providing an interface between the adapters (18, 154) and the receptacles (140, 194) of rotor body (22, 152).
A rotor hub assembly for a centrifuge rotor includes a rotor hub including a head portion, an elongated shaft portion extending axially away from the head portion and a central bore extending through the head portion and the shaft portion. The head portion includes a plurality of balancing bores each configured to selectively receive at least one balancing weight for balancing the centrifuge rotor. A method for balancing a centrifuge rotor is also provided.
A rotor for use in a centrifuge, and a method for balancing the rotor. The rotor includes a plurality of apertures arranged circumferentially around the rotor's axis of rotation, each configured to selectively receive a weight. A critical speed is determined for the rotor, and an imbalance determined for the rotor at a test speed below the critical speed. A trial weight is installed in a reference aperture, and another imbalance determined at the test speed. The trial weight is repeatedly moved to another aperture angularly displaced from the previous aperture, and the imbalance measured at the test speed until a predetermined number of imbalance measurements have been obtained. A target mass and location for balancing the rotor is determined from the imbalance measurements, and balancing weights installed in apertures based on the target mass and location. The balancing process may be repeated for multiple critical frequencies.
A fixed angle centrifuge rotor (10) is provided including a rotor body (12) having an upper surface (34) and a plurality of tubular cavities (60) extending from the upper surface (34) to respective bottom walls (50). A pressure plate (14) is operatively coupled to the bottom walls (50) of the tubular cavities (60) and is configured to transfer torque to the bottom walls (50). The pressure plate (14) is configured to be directly coupled to a rotor hub (16) and to receive torque directly from the rotor hub (16).
A fixed angle centrifuge rotor is provided including a rotor body having an upper surface and a plurality of tubular cavities extending from the upper surface to respective bottom walls. A pressure plate is operatively coupled to the bottom walls of the tubular cavities and is configured to transfer torque to the bottom walls. The pressure plate is configured to be directly coupled to a rotor hub and to receive torque directly from the rotor hub.
A fixed angle centrifuge rotor includes a rotor body having a circumferential sidewall and a plurality of circumferentially spaced tubular cavities. Each tubular cavity has an open end and a closed end, and is configured to receive a sample container therein. The rotor further includes a pressure plate operatively coupled to the rotor body so that the pressure plate, in combination with the plurality of tubular cavities and the circumferential sidewall of the rotor body, define a hollow chamber within the rotor. The rotor further includes a plurality of elongated torque transfer members supported by the rotor body and an annular containment groove.
A fixed angle centrifuge rotor includes a rotor body having a circumferential sidewall and a plurality of circumferentially spaced tubular cavities. Each tubular cavity has an open end and a closed end, and is configured to receive a sample container therein. The rotor further includes a pressure plate operatively coupled to the rotor body so that the pressure plate, in combination with the plurality of tubular cavities and the circumferential sidewall of the rotor body, define a hollow chamber within the rotor. The rotor further includes a plurality of elongated torque transfer members supported by the rotor body and an annular containment groove.
A tool for removing first and second centrifuge bottle closure members from a centrifuge bottle includes a tool head including an aperture sized and shaped to receive a protruding portion of the first centrifuge bottle closure member. The tool further includes an elongate shaft extending from the tool head to a distal end and including a tapered portion adjacent the distal end. The tapered portion is sized and shaped to be at least partially inserted in a recessed portion of the second centrifuge bottle closure member. The aperture is configured to transfer torque to the first centrifuge bottle closure member during a rotating operation of the tool and the tapered portion is configured to exert an output force on the second centrifuge bottle closure member during a prying operation of the tool.
B67B 7/18 - Dispositifs à main ou à moteur pour ouvrir des récipients fermés pour enlever les capsules filetées
B01L 3/00 - Récipients ou ustensiles pour laboratoires, p. ex. verrerie de laboratoireCompte-gouttes
B67B 7/14 - Dispositifs à main ou à moteur pour ouvrir des récipients fermés pour enlever les couvercles ou opercules à fermeture très ajustée, p. ex. des boîtes de cirage, par saisie et rotation
B01L 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
B67B 7/44 - Outils combinés, p. ex. comportant tire-bouchons, ouvre-boîtes et ouvre-bouteilles
A fixed angle centrifuge rotor (10, 210) includes a rotor body (12, 212) having a circumferential sidewall (20, 220) and a plurality of circumferentially spaced tubular cavities (24, 224). Each tubular cavity (24, 224) has an open end (34, 234) and a closed end (36, 236), and is configured to receive a sample container therein. The rotor (10, 210) further includes a pressure plate (16, 216) operatively coupled to the rotor body (12, 212) so that the pressure plate (16, 216), in combination with the plurality of tubular cavities (24, 224) and the circumferential sidewall (20, 220) of the rotor body (12, 212), define a hollow chamber (42, 242) within the rotor (10, 210). The rotor (10, 210) further includes a plurality of elongated torque transfer members (50, 250) supported by the rotor body (12, 212). Each of the plurality of torque transfer members (50, 250) has a first end (52, 252) located between a respective pair of adjacent tubular cavities (24, 224), and extends radially inward in a direction toward a rotational axis (A) of the rotor (10, 210).
A fixed angle centrifuge rotor includes a rotor body having a circumferential sidewall and a plurality of circumferentially spaced tubular cavities. An annular containment groove is disposed above and circumferentially surrounds the tubular cavities. Each tubular cavity has an open end and a closed end, and is configured to receive a sample container therein. The rotor further includes a pressure plate operatively coupled to the rotor body so that the pressure plate, in combination with the plurality of tubular cavities and the circumferential sidewall of the rotor body, define a hollow chamber within the rotor. The pressure plate includes circumferentially spaced upstanding tabs that are received in respective pockets located between adjacent tubular cavities. The rotor further includes a plurality of elongated torque transfer members supported by the rotor body. Each of the plurality of torque transfer members has a first end located between a respective pair of adjacent tubular cavities, and extends radially inward in a direction toward a rotational axis of the rotor.
A closure for attachment to a sample container for use in a centrifuge includes a top wall, an annular skirt wall depending from the top wall and defining a maximum outer diameter, and a handle extending from the top wall and including a central boss and at least two finger grips extending radially outward from the central boss. A respective free terminal end of each of the finger grips is located so as not to extend beyond the maximum outer diameter.
A closure for attachment to a container body of a sample container for use in a centrifuge includes a top wall, an annular skirt wall depending from the top wall and defining a maximum outer diameter, and a handle extending from the top wall and including a central boss and at least two finger grips extending radially outward from the central boss. A respective free terminal end of each of the finger grips is located so as not to extend beyond the maximum outer diameter.
A centrifuge rotor includes a rotor body having first and second axial ends and a circumferential sidewall extending therebetween. The rotor body has a plurality of wells for receiving sample containers to be processed in the rotor. The rotor further includes an elongate reinforcement extending around the circumferential sidewall of the rotor body along a helical path. At least two portions of the elongate reinforcement interlock at one or more specific points on the surface of the rotor.
B65H 81/00 - Procédés, appareils ou dispositifs pour recouvrir ou habiller les noyaux, en enroulant des bandes, des rubans, ou un matériau filiforme, non prévus ailleurs
42.
Method of making a composite swing bucket centrifuge rotor
A centrifuge rotor includes a rotor body having a central hub and first and second bucket receiving spaces defined on diametrically opposed sides of the rotor body. A first pair of bucket supports is supported by the rotor body for pivotally supporting a swing bucket in the first bucket receiving space, and a second pair of bucket supports is supported by the rotor body for pivotally supporting a swing bucket in the second bucket receiving space. The rotor further includes reinforcing material wound around oppositely disposed ones of the first and second pairs of bucket supports.
B65H 81/00 - Procédés, appareils ou dispositifs pour recouvrir ou habiller les noyaux, en enroulant des bandes, des rubans, ou un matériau filiforme, non prévus ailleurs
43.
FIBER-REINFORCED SWING BUCKET CENTRIFUGE ROTOR AND RELATED METHODS
A centrifuge rotor 10 is provided having a rotor core 16 that defines a rotational axis of the rotor 10. A plurality of bucket supports 20a, 20b is arranged about the axis of rotation 14. The rotor 10 includes first and second straps 36, 38 that respectively wrap around two diametrically-opposed ones of the bucket supports 20b for restricting outward movement of the two bucket supports 20a, 20b relative to the rotor core 16. The first and second straps 36, 38 intersect one another at a location through the axis of rotation 14 of the rotor 10.
A centrifuge rotor is provided having a rotor core that defines a rotational axis of the rotor. A plurality of bucket supports is arranged about the axis of rotation. The rotor includes first and second straps that respectively wrap around two diametrically-opposed ones of the bucket supports for restricting outward movement of the two bucket supports relative to the rotor core. The first and second straps intersect one another at a location through the axis of rotation of the rotor.
B04B 5/02 - Centrifugeurs constitués par plusieurs tambours indépendants tournant autour d'un axe situé entre les tambours
B65H 81/00 - Procédés, appareils ou dispositifs pour recouvrir ou habiller les noyaux, en enroulant des bandes, des rubans, ou un matériau filiforme, non prévus ailleurs
45.
FIXED ANGLE CENTRIFUGE ROTOR WITH TUBULAR CAVITIES AND RELATED METHODS
A fixed angle centrifuge rotor (10, 150) is provided. The rotor (10) includes a rotor body (12) having a circumferential sidewall (19) and a plurality of tubular cavities (26). Each of the cavities (26) has an open end (21 ) and a closed end (22) and is configured to receive a sample container therein. A pressure plate (54, 154) is operatively coupled to the plurality of tubular cavities (26) so that the pressure plate (54), in combination with the plurality of tubular cavities (26), defines an enclosed hollow chamber (48) between each adjacent pair of the plurality of tubular cavities (26). Each of the plurality of tubular cavities (26) has a sidewall (34b) facing an interior (28) of the rotor body (12) and a bottom wall (34c) at the closed end (22).
A fixed angle centrifuge rotor is provided. The rotor includes a rotor body having a circumferential sidewall and a plurality of tubular cavities. Each of the cavities has an open end and a closed end and is configured to receive a sample container therein. A pressure plate is operatively coupled to the plurality of tubular cavities so that the pressure plate, in combination with the plurality of tubular cavities, defines an enclosed hollow chamber between each adjacent pair of the plurality of tubular cavities. Each of the plurality of tubular cavities has a sidewall facing an interior of the rotor body and a bottom wall at the closed end.
B04B 5/02 - Centrifugeurs constitués par plusieurs tambours indépendants tournant autour d'un axe situé entre les tambours
B65H 81/00 - Procédés, appareils ou dispositifs pour recouvrir ou habiller les noyaux, en enroulant des bandes, des rubans, ou un matériau filiforme, non prévus ailleurs
47.
Reinforced swing bucket for use with a centrifuge rotor
A bucket is provided for use with a centrifuge rotor. The bucket includes a bucket body that has a side wall and a bottom wall. A pair of projections extend from the side wall on opposing sides of the bucket body and are configured for engagement with the centrifuge rotor. The bucket also includes reinforcing material coupled to the projections for restricting movement of the bucket body relative to the projections during centrifugation on the centrifuge rotor. The projections may include bushings that extend outwardly from the side wall for engaging corresponding pins on the centrifuge rotor. The projection may alternatively or additionally include pins for engaging corresponding journals on the centrifuge rotor. The bucket body may include a pair of diametrically opposed apertures, with each of the projections extending through one of the apertures.
A centrifuge rotor is provided. The rotor includes a compression-molded rotor body that includes a central hub defining an axis of rotation of the rotor body, and a plurality of bays, each configured to receive a bucket therein. A plurality of load transferring members are integrally molded with the rotor body and each include a bucket support for supporting a bucket, with the bucket support permitting pivoting movement of the bucket during centrifugation of the rotor body about the axis of rotation. A reinforcement layer extends circumferentially and/or helically around an exterior of the rotor body.
A centrifuge rotor includes a rotor body having first and second axial ends and a circumferential sidewall extending therebetween. The rotor body has a plurality of wells for receiving sample containers to be processed in the rotor. The rotor further includes an elongate reinforcement extending around the circumferential sidewall of the rotor body along a helical path. At least two portions of the elongate reinforcement interlock at one or more specific points on the surface of the rotor.
A centrifuge rotor includes a rotor body having a central hub and first and second bucket receiving spaces defined on diametrically opposed sides of the rotor body. A first pair of bucket supports is supported by the rotor body for pivotally supporting a swing bucket in the first bucket receiving space, and a second pair of bucket supports is supported by the rotor body for pivotally supporting a swing bucket in the second bucket receiving space. The rotor further includes reinforcing material wound around oppositely disposed ones of the first and second pairs of bucket supports.