Author: claimsbot

1. A pitot-static device comprising first and second pluralities of hollow spokes extending in a radial direction from a central hub,
the hollow interiors of the spokes of the first plurality being connected so as to allow fluid communication therebetween, and at least all but one of the spokes of the first plurality having at least one aperture facing in a first axial direction that is transverse to the radial direction, and
the hollow interiors of the spokes of the second plurality being connected so as to allow fluid communication therebetween, and at least one of the spokes of the second plurality having an aperture at an end portion thereof that faces in the radial direction.
2. The pitot-static device according to claim 1, in which at least all but one of the spokes of the second plurality have an aperture at an end portion thereof that faces in the radial direction.
3. The pitot-static device according to claim 1, in which at least one of the spokes of the first plurality has an aperture at an end thereof sealed against fluid communication.
4. The pitot-static device according to claim 3, in which at least all but one of the spokes of the first plurality have an aperture at an end thereof sealed against fluid communication.
5. A The pitot-static device according to claim 1, further comprising a handle for manual support.
6. A pitot-static device, comprising:
a central hub;
a first plurality of hollow spokes extending in a radial direction from the central hub;
a second plurality of hollow spokes extending in a radial direction from the central hub;
the hollow interiors of the spokes of the first plurality being connected so as to allow fluid communication therebetween, and at least all but one of the spokes of the first plurality having at least one aperture facing in a first axial direction that is transverse to the radial direction;
the hollow interiors of the spokes of the second plurality being connected so as to allow fluid communication therebetween, and at least all but one of the spokes of the second plurality having at least one aperture; and
a handle for manual support.
7. The pitot-static device according to 6, further comprising a ring around the central hub, the spokes extending from the central hub to an inner face of the ring.
8. The pitot-static device according to claim 7, in which at least the spokes of the second plurality each have an aperture at an end thereof, the end apertures extending through the ring.
9. The pitot-static device according to claim 7, in which the handle is attached to the ring.
10. The pitot-static device according to claim 6, further comprising:
a conduit extending from the central hub to the handle.
11. The pitot-static device according to claim 10, in which the conduit is free from apertures between the central hub and the handle.
12. The pitot-static device according to claim 6, in which the handle includes a connector for connection to external fluid conduits.
13. A pitot-static device, comprising a hub from which extends a plurality of spokes integrally moulded with a part of the hub, each spoke having a hollow interior that is in fluid communication with an interior space of the hub and at least one aperture to sense a fluid pressure, the hub being formed of a concave section and a cap attached thereto so as to close the concave section and define the interior space.
14. A pitot-static device, comprising a hub from which extend first and second pluralities of hollow spokes,
the spokes of the first plurality being connected via a first internal space within the hub so as to allow fluid communication between the hollow interiors thereof, and at least all but one of the spokes of the first plurality having at least one aperture facing in a first axial direction that is transverse to the spokes of the first plurality,
the spokes of the second plurality being connected via a second internal space within the hub so as to allow fluid communication between the hollow interiors thereof, and at least all but one of the spokes of the second plurality having at least one aperture,

wherein the hub is defined by at least three parts, comprising two concave sections being
moulded integrally with, respectively, the spokes of the first and the second pluralities, and
at least one cap connected to the concave sections, thereby to close the concave section and define the internal spaces.
15. The pitot-static device according to claim 14, in which there are two caps, one connected to each concave section.
16. The pitot-static device according to claim 14, in which an o-ring is interposed between the or each cap and each concave part.
17. A pitot-static device, comprising first and second pluralities of hollow spokes,
the spokes of the first plurality being connected so as to allow fluid communication between the hollow interiors thereof, and all but one spoke of the first plurality having at least one aperture facing in a first axial direction that is transverse to the spokes of the first plurality,
the spokes of the second plurality being connected so as to allow fluid communication between the hollow interiors thereof, and all but one spoke of the second plurality having at least one aperture,
wherein the spokes extend radially from a central hub, the hollow interiors of the spokes of the first plurality being connected via a first interior space within the central hub, the hollow interiors of the spokes of the second plurality being connected via a second interior space within the central hub, and the one spoke of each plurality is free from apertures other than at an end thereof.
18. The pitot-static device according to claim 17, in which the spokes of the second plurality include apertures facing in a second axial direction that is opposed to the first axial direction.
19. The pitot-static device according to claim 14, in which at least all but one of the second plurality of spokes each have an aperture at the end thereof.
20. The pitot-static device according to claim 14, in which at least all but one of the spokes of the first plurality have an aperture at an end thereof, the end apertures being sealed against fluid communication.
21. A pitot-static device, comprising first and second pluralities of hollow spokes, the hollow interiors of the spokes of the first plurality being connected so as to allow fluid communication therebetween and each spoke of the first plurality having at least one aperture facing in a first axial direction that is transverse to the spokes of the first plurality, the hollow interiors of the spokes of the second plurality being connected so as to allow fluid communication therebetween and each spoke of the second plurality having at least one aperture facing in a second axial direction that is opposed to the first axial direction.
22. The pitot-static device according to claim 21, in which the spokes extend radially from a central hub.
23. The pitot-static device according to claim 22, in which the hollow interiors of the spokes of at least one of the pluralities are connected via an interior space within the central hub.
24. The pitot-static device according to claim 22, in which the spokes of both the first and second pluralities extend from a single central hub.
25. The pitot-static device according to claim 23, in which the spokes of both the first and second pluralities extend from a single central hub having a first interior space to allow fluid communication between the spokes of the first plurality and a second interior space to allow separate fluid communication between the spokes of the second plurality.
26. The pitot-static device according to a claim 21, in which the second plurality of spokes each have an aperture at the end thereof.
27. The pitot-static device according to claim 26, in which the spokes of the first plurality each have an aperture at an end thereof, the end apertures being sealed against fluid communication.
28. A pitot-static device, comprising a plurality of hollow spokes extending in a first direction, wherein the hollow interiors of the spokes are connected so as to allow fluid communication therebetween, and at least all but one of the spokes has at least one aperture facing in a second, axial direction that is transverse to the first direction.

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 ring catalyst for preparing acrolein and acrylic acid,
including a mixture of an catalytic active ingredient including at least molybdenum (Mo) and bismuth (Bi), and an inorganic fiber, and
having a ring shape, and
satisfying the following Relational Equation 1:
0.1\u22662Lf(De\u2212Di)<0.2\u2003\u2003Relational Equation 1
wherein, in said Relational Equation 1, Lf is the number average length of the inorganic fiber, De is the external diameter of the ring catalyst, and Di is the internal diameter of the ring catalyst.
2. The ring catalyst according to claim 1, satisfying the following Relational Equation 2:
0.2\u2266LcDe\u22661.5\u2003\u2003Relational Equation 2

wherein, in said Relational Equation 2, Lc is the longitudinal length of the ring catalyst, and De is the external diameter of the ring catalyst.
3. The ring catalyst according to claim 2, wherein the ring catalyst has at least two shapes having different LcDe.
4. The ring catalyst according to claim 3, wherein the ring catalyst includes 2 kinds or more of catalysts of the first type having LcDe of 0.2 to 1 and the second type having LcDe of 0.6 to 1.5.
5. The ring catalyst according to claim 1, wherein the catalytic active ingredient is represented by the following Chemical Formula 1:
Moa Bib Ac Bd Ce Of\u2003\u2003Chemical Formula 1

wherein, in Chemical Formula 1,
Mo is molybdenum; Bi is bismuth; A is one or more elements selected from the group consisting of Fe, Zn, Mn, Nb, and Te; B is one or more elements selected from the group consisting of Co, Rh, and Ni; C is one or more elements selected from the group consisting of Na, K, Li, Cs, Ta, Ca, Rb, and Mg; O is oxygen; and
a, b, c, d, e, and f are atomic ratios of each element, wherein b is 0.1 to 10, c is 0.1 to 10, d is 0.1 to 15, e is 0.001 to 10, and f is a number determined according to the oxidation state of each element, when a=12.
6. The ring catalyst according to claim 1, wherein the inorganic fiber is one or more fibers selected from the group consisting of glass fiber, silica fiber, alumina fiber, and silica-alumina fiber.
7. The ring catalyst according to claim 1, wherein the inorganic fiber a the number average length of 2 mm or less and a number average diameter of 2 to 40 \u03bcm.
8. The ring catalyst according to claim 1, wherein the content of the inorganic fiber is 2 to 15 parts by weight per 100 parts by weight of the active ingredient.
9. A preparation method of acrolein and acrylic acid, including the step of
carrying out a catalytic vapor-phase oxidation reaction of one or more raw materials selected from the group consisting of propylene, isobutylene, and tert-butanol, and molecular oxygen, in the presence of the ring catalyst according to claim 1.
10. The preparation method according to claim 9, wherein the catalytic vapor-phase oxidation reaction is carried out in a multi-tubular fixed bed reactor in which the ring catalyst is packed.
11. The preparation method according to claim 9, wherein the ring catalyst satisfies the following Relational Equation 2:
0.2\u2266LcDe\u22661.5\u2003\u2003Relational Equation 2

wherein, in said Relational Equation 2, Lc is the longitudinal length of the ring catalyst, and De is the external diameter of the ring catalyst.
12. The preparation method according to claim 10, wherein the ring catalyst is packed in the reactor to form at least two layers having different LcDe, and said LcDe decreases from the raw material inlet side to the product outlet side of the reactor.

1. An adjustable linkage to support an object comprising:
(a) a pair of arms rotatable about a first axis, one of said arms supporting said object;
(b) damper means disposed about said first axis between said arms for selective rotational movement and placement of said object relative said other arm.
2. An adjustable linkage as claimed in claim 1 comprising a hinge damper.
3. An adjustable linkage as claimed in claim 2 wherein said object comprises a headrest.
4. An adjustable linkage as claimed in claim 3 wherein said hinge damper is co-axially disposed about said first axis.
5. An adjustable linkage as claimed in claim 4 wherein said pair or arms comprises:
(a) a first arm section having one end attachable to a chair back and another end;
(b) a second arm section having one end attachable to a headrest, and another end;
(c) said another end of said first and second arm sections rotatably connected to said hinge damper about said first axis of rotation.
6. An adjustable linkage as claimed in claim 5 wherein one end of said first arm section is rotatably attachable to said chair back about a second axis, and further includes a second hinge damper co-axially disposed between said chair back and said one end of said first arm section.
7. An adjustable linkage as claimed in claim 6 wherein one end of said second arm section is rotatably attached to said headrest about a third axis of rotation, and further includes a third hinge damper co-axially disposed between said headrest and said one end of said second arm section.
8. An adjustable linkage as claimed in claim 7 wherein one of said first, second and third hinge dampers has a different strength than said other hinge dampers.
9. An adjustable linkage as claimed in claim 8 wherein all of said hinge dampers have different strengths.
10. An adjustable linkage as claimed in claim 9 wherein said first and second arm sections are curved.
11. An adjustable linkage as claimed in claim 10 wherein each of said curved first and second arm sections comprise one end having a pair of spaced legs for rotatable connection to said chair back and headrest respectively.
12. An adjustable linkage as claimed in claim 11 wherein each of said first and second curved arm sections comprise another end having a pair of spaced trunions carrying at least one of said first hinge dampers for selective rotational movement about said first axis.
13. An adjustable headrest for a chair comprising:
(a) a first arm member having one end rotatably connected to said chair;
(b) a second arm member having one end rotatably connected to said headrest;
(c) said first arm member having another end rotatably connected to another end of said second arm member about an axis of rotation;
(d) a hinge damper co-axially disposed about said axis of rotation between said first and second arms for selective rotational movement and placement of said headrest to a desired position.
14. An adjustable headrest as claimed in claim 13 wherein one end of said first arm member is rotatably connected to said chair about a second axis of rotation, and includes a second hinge damper co-axially connected between said chair and one end of said first arm member about said second axis of rotation for selective rotational movement and placement of said first arm member relative said chair.
15. An adjustable headrest as claimed in claim 14 wherein one end of said second arm member is rotatably connected to said headrest about a third axis of rotation, and includes a third hinge damper co-axially connected between said headrest and said one end of said second arm member about said third axis of rotation for selective rotational movement and placement of said headrest relative said second arm.
16. An adjustable headrest as claimed in claim 15 wherein said first, second and third hinge dampers have different resistance to torsion.
17. An adjustable headrest as claimed in claim 16 wherein said first and second arms are covered.
18. A method of selectively adjusting the position of a headrest relative a chair comprising:
(a) placement of at least one hinge damper between said headrest and said chair for selective rotational movement of said headrest about said hinge damper for placement of said headrest to a desired position.
19. A method as claimed in claim 18 further including a linkage having at least two axis of rotation between said headrest and said chair, and at least two hinge dampers co-axially disposed about said two axis of rotation respectively wherein said hinge dampers have different coefficients of resistance to rotational movement.
20. A method as claimed in claim 18 wherein said hinge is curved.

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 wagon for mounting a portable carrier and for carrying for cargo, comprising:
a base and at least one wall that is movable relative to the base between an upright position for use and a displaced position for storage, wherein in the upright use position the wall extends generally upward from the base to assist in holding and carrying some of the cargo on the base, wherein in the displaced storage position the wall vacates a space in which the portable carrier is mountable in an outboard position with at least a portion of the portable carrier extending beyond the base, the wall upright use position, or both, and wherein the portable carrier mounts in place on the wagon either directly or indirectly and holds and carries other of the cargo.
2. The wagon of claim 1, further comprising an adapter that removably mounts to the wagon and which the portable carrier removably mounts to or is supported by, wherein the portable carrier mounts in place on the wagon indirectly via the adapter.
3. The wagon of claim 2, wherein the adapter includes at least one carrieradapter latch component that releasably engages at least one carrieradapter latch component of the portable carrier.
4. The sub-combination of the adapter, the portable carrier, the wagon, or a combination thereof, of claim 3.
5. The wagon of claim 2, wherein the adapter includes at least one adapterwagon latch component that releasably engages at least one adapterwagon latch component of the wagon.
6. The sub-combination of the adapter, the portable carrier, the wagon, or a combination thereof, of claim 5.
7. The wagon of claim 1, wherein the wagon further includes at least two adjacent upright walls positioned adjacent the displaceable wall, wherein in the upright use position the displaceable wall cooperates with the two adjacent walls to assist in holding the cargo on the base, wherein at least one of the two adjacent walls includes a latch component that releasably engages at least one latch component of the displaceable wall to selectively secure the displaceable wall in the upright use position or release it for displacement therefrom, and wherein the portable carrier mounts in place on the wagon either directly or indirectly to the adjacent-wall latch component.
8. The wagon of claim 7, wherein the portable carrier includes at least one carrierwagon wall latch component that releasably engages the adjacent-wall latch component of the wagon to provide the direct mounting in place on the wagon, and wherein the portable carrier, when mounted in place on the wagon, contacts the adjacent walls to maintain the structural integrity of the wagon adjacent walls.
9. The wagon of claim 7, further comprising an adapter that removably mounts to the wagon and to which the portable carrier removably mounts, wherein the portable carrier mounts in place on the wagon indirectly via the adapter, and wherein the adapter includes at least one adapterwagon wall latch component that releasably engages the adjacent-wall latch component of the portable carrier, and wherein the adapter, when mounted in place on the wagon, contacts the adjacent walls to maintain the structural integrity of the wagon adjacent walls.
10. The wagon of claim 7, wherein the portable carrier has a bottom and mounts in place on the wagon with the bottom positioned below a top of the adjacent walls for stability.
11. The wagon of claim 1, wherein in the portable carrier is a child seat selected from the group consisting of an upright car seat, an infant carrier seat, and a stroller seat.
12. The wagon of claim 11, wherein multiple different of the child seats can be interchangeably mounted in place on the wagon.
13. The wagon of claim 1, wherein the wall is pivotally mounted to the base and in the displaced storage position is folded down to adjacent the base.
14. A wagon for mounting a child seat and for carrying cargo, comprising:
a base for carrying the cargo; and
at least three peripheral walls including a displaceable wall and two adjacent upright walls, wherein the displaceable wall is movable relative to the base between an upright position for use and a displaced position for storage,
wherein in the upright use position the displaceable wall cooperates with the two adjacent walls to assist in holding the cargo on the base, wherein at least one of the two adjacent walls includes a latch component and the displaceable wall includes at least one latch component that releasably engages the adjacent-wall latch component to selectively secure the displaceable wall in the upright use position or release it for displacement therefrom, and
wherein in the displaced storage position the displaceable wall vacates a space in which the child seat is mountable in an outboard position with at least a portion of the child seat extending beyond the base, the displaceable wall upright use position, or both, and wherein the child seat mounts in place on the wagon either directly to the adjacent-wall latch component or indirectly to the adjacent-wall latch component via a seat adapter.
15. The wagon of claim 14, wherein the child seat includes at least one carrierwagon wall latch component that releasably engages the adjacent-wall latch component of the wagon to provide the direct mounting in place on the wagon, and wherein the child seat, when mounted in place on the wagon, contacts the adjacent walls to maintain the structural integrity of the wagon adjacent walls.
16. The wagon of claim 14, wherein the seat adapter removably mounts to the wagon and the child seat removably mounts to or is supported by the seat adapter, and wherein the seat adapter includes at least one adapterwagon wall latch component that releasably engages the adjacent-wall latch component of the child seat, and wherein the seat adapter, when mounted in place on the wagon, contacts the adjacent walls to maintain the structural integrity of the wagon adjacent walls.
17. The wagon of claim 16, wherein the seat adapter includes at least one hub at which the adapterwagon wall latch component is positioned and from which at least one support member downwardly extends, wherein the support member removably mounts to the base.
18. The wagon of claim 17, wherein the seat adapter includes an outer transverse member and an inner transverse member spaced apart from the outer transverse member, wherein the inner and outer transverse members extend transversely from the hub, and wherein the inner and outer transverse members support or frame the child seat.
19. A method of mounting a portable carrier to a wagon for carrying cargo, comprising the steps of:
providing the wagon with a base and at least one wall that is movable relative to the base between an upright position for use and a displaced position for storage, wherein in the upright use position the wall extends generally upward from the base to assist in holding and carrying some of the cargo on the base,
displacing the wall from the upright use position to the displaced storage position to vacate a space on the base; and
mounting the portable carrier in place on the wagon in the vacated space in an outboard position with at least a portion of the portable carrier extending beyond the base, the wall upright use position, or both, wherein the portable carrier is mounted in place on the wagon either directly or indirectly via an adapter, and wherein the portable carrier holds and carries other of the cargo.
20. The method of claim 19, wherein the wagon further includes at least two adjacent upright walls positioned adjacent the displaceable wall, wherein in the upright use position the displaceable wall cooperates with the two adjacent walls to assist in holding the cargo on the base, wherein at least one of the two adjacent walls includes a latch component that releasably engages at least one latch component of the displaceable wall to selectively secure the displaceable wall in the upright use position or release it for displacement therefrom, and wherein:
the step of displacing the wall further comprises actuating at least one of the latch components to release the displaceable wall from the adjacent walls; and
the step of mounting the portable carrier includes moving a wall latch component of the portable carrier or the seat adapter into engagement with the adjacent-wall latch component to mount the portable carrier in place on the wagon either directly or indirectly.