1460735157-722f948f-b348-4c43-b40d-e4bf640c7965

1. A polymeric stent, comprising:
a repeating unit comprising a unit cell having a shape of a closed figure that looks like a V-letter and comprising a first hinge portion bent inwardly to the unit cell and a second hinge portion facing the first hinge portion and bent outwardly from the unit cell; and a linker portion extended outwardly from a bent portion of the second hinge portion,
wherein the repeating units are disposed such that an end of a linker portion of one repeating unit is connected to a bent portion of a first hinge portion of another adjacent repeating unit, or
an end of a first hinge portion and an end of a second hinge portion of one repeating unit are connected to an end of a first hinge portion and an end of a second hinge portion of the another adjacent repeating unit, respectively.
2. The polymeric stent of claim 1, wherein the polymeric stent comprises three or more repeating units,
the repeating units are disposed such that an end of a linker portion of one repeating unit is connected to a bent portion of a first hinge portion of another adjacent repeating unit, and
an end of a first hinge portion and an end of a second hinge portion of one repeating unit are connected to an end of a first hinge portion and an end of a second hinge portion of further another adjacent repeating unit, respectively.
3. The polymeric stent of claim 1, wherein in the polymeric stent, all corners and ends of one repeating unit are connected to corners and ends of another adjacent repeating unit.
4. The polymeric stent of claim 1, wherein when the polymeric stent is a tube type, 4 to 15 repeating units are disposed in a circumferential direction of the polymeric stent.
5. The polymeric stent of claim 1, wherein an interior angle of the second hinge portion is 100 degrees or more.
6. The polymeric stent of claim 1, wherein in the repeating unit, an area of a rectangle that passes through both ends of the first hinge portion, both ends of the second hinge portion and an end of the linker portion is 0.1 to 45 mm2.
7. The polymeric stent of claim 1, wherein the repeating unit comprises a strut of the unit cell, which is a line that forms the shape of a closed figure that looks like a V-letter of the unit cell and a strut of the linker portion, which is a line that forms the linker portion.
8. The polymeric stent of claim 7, wherein an area of the strut of the unit cell and the strut of the linker portion is 5 to 46%, based on an area of a rectangle which passes through both ends of the first hinge portion, both ends of the second hinge portion, and an end of the linker portion.
9. The polymeric stent of claim 7, wherein a thickness of the strut of the unit cell and the strut of the linker portion is 80 to 160 \u03bcm.
10. The polymeric stent of claim 1, wherein when the polymeric stent is a tube type, a diameter of the polymeric stent is 2 to 8 mm.
11. The polymeric stent of claim 1, wherein the polymeric stent comprises a biodegradable polymer.
12. The polymeric stent of claim 1, wherein the repeating unit is formed by processing a polymeric tube using laser.
13. A method for manufacturing a polymeric stent, comprising:
forming a repeating unit including a unit cell having a shape of a closed figure that looks like a V-letter and including a first hinge portion bent inwardly to the unit cell and a second hinge portion facing the first hinge portion and bent outwardly from the unit cell; and a linker portion extended outwardly from the bent portion of the second hinge portion; and
disposing the repeating units, such that an end of a linker portion of one repeating unit is connected to a bent portion of a first hinge portion of another adjacent repeating unit, or
forming the repeating units continuously such that an end of a first hinge portion and an end of a second hinge portion of one repeating unit are connected to an end of a first hinge portion and an end of a second hinge portion of the another adjacent repeating unit, respectively.
14. The method of claim 13, wherein the repeating unit is formed by using laser.
15. The method of claim 13, wherein the repeating unit is formed on a side surface of a polymeric tube.
16. The method of claim 14, wherein the repeating unit is formed on a side surface of a polymeric tube.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An aircraft landing gear assembly comprising a bogie beam, an axle extending through the bogie beam and a jacking dome fitting extending through a sidewall of the bogie beam and arranged to be in contact with the axle during jacking so as to transfer vertical loads applied to the jacking dome fitting directly to the axle.
2. The aircraft landing gear assembly according to claim 1, wherein the bogie beam sidewall includes a region of increased thickness through which the jacking dome fitting extends and which is arranged to react lateral loadings applied to the jacking dome fitting.
3. The aircraft landing gear assembly according to claim 2, wherein the region of increased thickness is either integrally formed in the bogie beam sidewall or comprises a separate element secured to the bogie beam sidewall.
4. The aircraft landing gear assembly according to claim 1, wherein the jacking dome fitting is biased into contact with the axle.
5. The aircraft landing gear assembly according to claim 4, wherein the jacking dome fitting is secured to one end of an elongate resilient element, the elongate resilient element biasing the jacking dome fitting into contact with the axle.
6. The aircraft landing gear assembly according to claim 4, wherein one or more wedge elements are located between a portion of the jacking dome fitting and the bogie beam sidewall, thereby urging the jacking dome fitting into contact with the axle.
7. The aircraft landing gear assembly according to claim 4, wherein the jacking dome fitting includes a threaded collar in engagement with a threaded portion of the jacking dome fitting and in engagement with the bogie beam sidewall, whereby the threaded collar urges the jacking dome fitting into contact with the axle.
8. The aircraft landing gear assembly according to claim 1, wherein the jacking dome fitting is biased away from the axle when said jacking dome fitting is not loaded by a jack.
9. The aircraft landing gear assembly according to claim 1, wherein the jacking dome fitting comprises a further portion in mechanical engagement with the axle, whereby lateral loads applied to the jacking dome fitting are transmitted to the axle.
10. The aircraft landing gear assembly according to claim 9, wherein the further portion encircles a region of the axle, and the further portion and the axle include aligned recesses arranged to receive a locking spigot pin.

1460735150-0558a2e1-a78a-400c-bf86-30a99d6f5e84

1. A filter cartridge comprising:
a housing including opposing first and second shell sections, the shell sections being generally symmetric about a cartridge axis and being joined together, the first shell section having a convex-shape when viewed from a side, the first shell section comprising:
an end portion having an end surface defining a cartridge opening substantially coaxial with said cartridge axis,
a cylindrical side wall portion, and
a transition portion connecting the side wall portion to the end portion,

the transition portion having a radius of 0.125-1.125 inches; and
a filter disposed within the housing, the filter including at least one filter element.
2. The filter cartridge of claim 1 wherein the transition portion has a radius of 0.5-0.625 inches.
3. The filter cartridge of claim 1 wherein the first section end portion also includes a clip element having:
a substantially cylindrical inner side wall segment having oppositely disposed first and second end sections, the inner side wall segment defining the cartridge opening; and
an outer rim segment extending axially inward and radially inward from the end surface to the inner side wall segment first end section.
4. The filter cartridge of claim 3 wherein the clip element also has a circumferential lip segment extends radially outward from the inner side wall segment second end section.
5. The filter cartridge of claim 4 further comprising a sealing grommet mounted within the cartridge opening, the sealing grommet comprising:
an upper shoulder extending radially over the clip element outer rim segment; and
a lower shoulder extending radially under the clip element lip segment.
6. The filter cartridge of claim 5 wherein the sealing grommet also comprises a recess surface disposed intermediate the upper and lower shoulders, the recess surface engaging the clip element inner side wall segment.
7. The filter cartridge of claim 5 wherein the sealing grommet also comprises:
an inner wall defining a bore; and
at least one seal protrusion extending radially inward from the inner wall.
8. The filter cartridge of claim 7 wherein the seal protrusion has a substantially triangular cross-sectional shape.
9. A filter cartridge housing comprising first and second shell sections, the shell sections being generally symmetric about a cartridge axis and being joined together, the first shell section having a convex-shape when viewed from a side and comprising:
an end portion including
an end surface,
clip element having
a substantially cylindrical inner side wall segment having oppositely disposed first and second end sections, the inner side wall segment defining a cartridge opening substantially coaxial with said cartridge axis,
an outer rim segment extending axially inward and radially inward from the end surface to the inner side wall segment first end section, and
a circumferential lip segment extending radially outward from the inner side wall segment second end section;
a cylindrical side wall portion;
a transition portion connecting the side wall portion to the end portion, the transition portion having a radius of 0.125-1.125 inches; and
a sealing grommet mounted within the cartridge opening
10. The filter cartridge housing of claim 9 wherein the transition portion has a radius of 0.5-0.625 inches.
11. The filter cartridge housing of claim 9 wherein the sealing grommet comprises:
an upper shoulder extending radially over the clip element outer rim segment;
a lower shoulder extending radially under the clip element lip segment;
an outer recess surface disposed intermediate the upper and lower shoulders; and
an inner wall defining a bore.
12. The filter cartridge of claim 11 wherein the recess surface engages the clip element inner side wall segment.
13. The filter cartridge of claim 11 wherein the sealing grommet also comprises at least one seal protrusion extending radially inward from the inner wall.
14. The filter cartridge of claim 13 wherein the seal protrusion has a substantially triangular cross-sectional shape.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A method, said method comprising:
multicasting a plurality of data units;
initializing a request counter;
multicasting a request for acknowledging receipt of said plurality of data units;
incrementing said request counter;
initializing a timer;
receiving signals responsive to said request;
first determining if said timer has expired prior to receiving said signals from all receivers;
second determining if said signals responsive to said request have been received from all receivers of said request;
third determining whether said request counter has exceeded a retry limit;
updating said request for acknowledgment of said plurality of data units responsive to said third determination;
fourth determining reception status of said plurality of data units based on said received signals;
removing any identification of responding receivers from which said signals responsive to said request for acknowledgment have been received; and
re-multicasting said request for acknowledgement.
2. The method according to claim 1, further comprising:
determining if a lifetime of said data units has been expired; and
re-multicasting said data units responsive to said determination.
3. The method according to claim 1, further comprising receiving an acknowledgment for each multicast request.
4. The method according to claim 1, further comprising transmitting an acknowledgment for each signal received.
5. The method according to claim 1, wherein said signals are delayed.
6. The method according to claim 1, further comprising receiving uplink data from said receivers.
7. The method according to claim 1, wherein said identification is one of an association identifier, a media access control address, an internet protocol address and contained within a bitmap arrangement.
8. An apparatus, comprising:
means for multicasting a plurality of data units;
means for initializing a request counter;
means for multicasting a request for acknowledging receipt of said plurality of data units;
means for incrementing said request counter;
means for initializing a timer;
means for receiving signals responsive to said request;
means for first determining if said timer has expired prior to receiving said signals from all receivers;
means for second determining if said signals responsive to said request have been received from all receivers of said request;
means for third determining whether said request counter has exceeded a retry limit;
means for updating said request for acknowledgment of said plurality of data units responsive to said third determination;
means for fourth determining reception status of said plurality of data units based on said received signals;
means for removing any identification of responding receivers from which said signals responsive to said request for acknowledgment have been received; and
means for re-multicasting said request for acknowledgement.
9. The apparatus according to claim 8, further comprising:
means for fifth determining if a lifetime of said data units has been expired; and
means for re-multicasting said data units responsive to said determination.
10. The apparatus according to claim 8, further comprising means for receiving an acknowledgment for each multicast request.
11. The apparatus according to claim 8, further comprising means for transmitting an acknowledgment for each signal received.
12. The apparatus according to claim 8, wherein said signals are delayed.
13. The apparatus according to claim 8, further comprising means for receiving uplink data from said receivers.
14. The apparatus according to claim 8, wherein said identification is one of an association identifier, a media access control address, an internet protocol address and contained within a bitmap arrangement.