Author: claimsbot

What is claimed is:

1. A flow cytometer, comprising:
(a) a frame having a boundary plane;
(b) a flow chamber supported by said frame, said flow chamber placed a distance from said boundary plane;
(c) a radiation source, said radiation source directed away from said flow chamber and away from the exterior side of said boundary plane,
(d) a first reflective surface placed to direct a radiation beam in a path crossing said boundary plane to said flow chamber;
(e) one or more reflective surfaces placed to direct a radiation beam from said radiation source to said first reflective surface, the path from said radiation source to said flow chamber being at least 1.5 times the distance from said flow chamber to said boundary plane.
2. The flow cytometer of claim 1, further comprising two or more openings, said openings capable of passing said radiation beam.
3. The flow cytometer of claim 2, wherein said two or more openings are aligned vertically.
4. The flow cytometer of claim 2, comprising 3 openings in said frame.
5. The flow cytometer of claim 2, comprising 4 openings in said frame.
6. The flow cytometer of claim 1, wherein said radiation source is a laser.
7. The flow cytometer of claim 1, further comprising a sample tube having a discharge opening directed to said flow chamber.
8. The flow cytometer of claim 7, wherein said discharge opening has a diameter of 300 micrometers or less.
9. The flow cytometer of claim 7, further comprising a pressure source providing pressure to said sample tube.
10. The flow cytometer of claim 9, wherein said pressure source provides at least 10 pounds per square inch to said sample tube.
11. The flow cytometer of claim 7, further comprising an oscillator removably connected to said sample tube, said oscillator capable of vibrating at a frequency that produces droplets from a stream emerging from said sample tube.
12. The flow cytometer of claim 1, further comprising a second radiation source, said second radiation source directed away from said flow chamber and away from the exterior side of said boundary plane.
13. The flow cytometer of claim 12, further comprising 2 separate lenses placed to separately focus excitation radiation beams from said first and second radiation sources on said flow chamber.
14. The flow cytometer of claim 12, further comprising a comprising a third radiation source, said third radiation source directed away from said flow chamber and away from the exterior side of said boundary plane.
15. The flow cytometer of claim 14, further comprising 3 separate lenses placed to separately focus excitation radiation beams from said first, second and third radiation sources on said flow chamber.
16. The flow cytometer of claim 14, wherein said radiation sources are directed parallel to each other.
17. The flow cytometer of claim 1, wherein said beam path from said flow chamber to said boundary plane is at least 2 times the distance from said flow chamber to said boundary plane.
18. The flow cytometer of claim 1, further comprising a camera placed to observe a radiation beam contacting said flow chamber.
19. The flow cytometer of claim 18, wherein said camera is placed to observe said flow chamber at a vantage opposite an entry point of said radiation beam.
20. A flow cytometer, comprising:
(a) a flow chamber;
(b) a first reflective surface placed to direct an excitation radiation beam to said flow chamber;
(c) one or more devices for directing an excitation radiation beam to said first reflective surface, wherein said excitation radiation beam passes orthogonally through a vertical plane in a forward direction, and
(d) a device for directing an emission radiation beam from said flow chamber, wherein said emission radiation beam passes through said vertical plane in a reverse direction compared to said forward direction.
21. The flow cytometer of claim 20, further comprising
(e) a second reflective surface placed to direct an excitation radiation beam to said first reflective surface, wherein said second reflective surface is placed at a different elevation compared to said first reflective surface.
22. The flow cytometer of claim 20, further comprising
(e) a radiation source placed to direct a radiation beam to said first reflective surface.
23. The flow cytometer of claim 22, wherein said radiation source is a laser.
24. The flow cytometer of claim 20, further comprising a sample tube having a discharge opening directed to said flow chamber.
25. The flow cytometer of claim 24, wherein said discharge opening has a diameter of 300 micrometers or less.
26. The flow cytometer of claim 24, further comprising a pressure source providing pressure to said sample tube.
27. The flow cytometer of claim 26, wherein said pressure source provides at least 10 pounds per square inch to said sample tube.
28. The flow cytometer of claim 24, further comprising an oscillator removably connected to said sample tube, said oscillator capable of vibrating at a frequency that produces droplets from a stream emerging from said sample tube.
29. The flow cytometer of claim 20, further comprising a second reflective surface placed to direct a second excitation radiation beam to said flow chamber.
30. The flow cytometer of claim 29, further comprising a second device for directing said second excitation radiation beam to said second reflective surface, wherein said second excitation radiation beam passes through said vertical plane in a forward direction.
31. The flow cytometer of claim 29, further comprising separate lenses placed to separately focus said first and second excitation radiation beams on said flow chamber.
32. The flow cytometer of claim 29, further comprising a third reflective surface placed to direct a third excitation radiation beam to said flow chamber.
33. The flow cytometer of claim 32, further comprising a third device for directing said third excitation radiation beam to said third reflective surface, wherein said third excitation radiation beam passes through said vertical plane in a forward direction.
34. The flow cytometer of claim 32, further comprising separate lenses placed to separately focus said first second and third excitation radiation beams on said flow chamber.
35. The flow cytometer of claim 20, further comprising an alignment pin hole placed to pass an excitation radiation beam from said first reflective surface to said flow chamber.
36. The flow cytometer of claim 20, wherein said flow chamber, said first reflective surface, said device for directing an excitation radiation beam, and said device for directing an emission radiation beam occur within an area having dimensions of 15 inches by 9 inches or smaller.
37. The flow cytometer of claim 20, further comprising a camera placed to observe a radiation beam contacting said flow chamber.
38. The flow cytometer of claim 37, wherein said camera is placed to observe said flow chamber at a vantage opposite an entry point of said radiation beam.
39. A flow cytometer, comprising
(a) a flow chamber capable of being contacted by a radiation beam;
(b) a reflective surface, wherein said reflective surface is responsive to radiation in the UV, VIS and IR regions of the spectrum;
(c) a lens placed to direct a radiation beam from said flow chamber to said reflective surface;
(d) a detector module;
(e) a second reflective surface placed to reflect said radiation beam from said reflective surface to said detector module, wherein said reflective surface is responsive to radiation in the UV, VIS and IR regions of the spectrum, and
(f) a detector removably connected to said detector module, wherein said detector is placed to detect said radiation beam.
40. The flow cytometer of claim 39, further comprising a separate filter cassette, wherein said separate filter cassette attaches to an opening in said detector module.
41. The flow cytometer of claim 40, further comprising a separate filter, wherein said separate filter attaches to said filter cassette at an internal surface.
42. The flow cytometer of claim 41, further comprising a separate attachment module, said separate attachment module attaching to an outer surface of said filter cassette, wherein a radiation beam passing through said opening can pass through said filter cassette and said attachment module.
43. The flow cytometer of claim 42, further comprising a separate detector attached to said attachment module.
44. The flow cytometer of claim 39, further comprising a sample tube having a discharge opening directed to said flow chamber.
45. The flow cytometer of claim 44, wherein said discharge opening has a diameter of 300 micrometers or less.
46. The flow cytometer of claim 44, further comprising a pressure source providing pressure to said sample tube.
47. The flow cytometer of claim 46, wherein said pressure source provides at least 10 pounds per square inch to said sample tube.
48. The flow cytometer of claim 44, further comprising an oscillator removably connected to said nozzle, said oscillator capable of vibrating at a frequency that produces droplets from a stream emerging from said sample tube.
49. The flow cytometer of claim 39, further comprising a screen having a mirrored surface interrupted by one or more pin holes, said screen placed to pass said separate radiation beams from said lens to said detector module.
50. The flow cytometer of claim 49, wherein said screen having a mirrored surface is interrupted by 3 pin holes, wherein said separate radiation beams pass through two of said three pin holes.
51. The flow cytometer of claim 50, further comprising a third detector placed to detect forward scattered radiation passing through the third of said three pin holes.
52. The flow cytometer of claim 49, further comprising a camera placed to observe said mirrored surface.
53. The flow cytometer of claim 39, further comprising a camera placed to observe a radiation beam contacting said flow chamber.
54. The flow cytometer of claim 53, wherein said camera is placed to observe said flow chamber at a vantage opposite an entry point of said radiation beam.
55. A flow cytometer, comprising
(a) a flow chamber having two separate points capable of being contacted by separate radiation beams;
(b) a detector module;
(c) a lens placed to direct separate radiation beams from said two separate points to said detector module;
(d) a first detector removably connected to said detector module, wherein said first detector is placed to detect said first radiation beam, and
(e) a second detector removably connected to said detector module, said second detector being placed to detect said second radiation beam, wherein said first and second detectors are placed on the same side of said first and second radiation beams directed from said lens to said first pair of reflective surfaces.
56. The flow cytometer of claim 55, further comprising a pair of reflective surfaces placed to reflect each of said separate radiation beams from said lens to said detector module.
57. The flow cytometer of claim 55, further comprising a separate filter cassette, wherein said separate filter cassette attaches to an opening in said detector module.
58. The flow cytometer of claim 57, further comprising a separate filter, wherein said separate filter attaches to said filter cassette at an internal surface.
59. The flow cytometer of claim 58, further comprising a separate attachment module, said separate attachment module attaching to an outer surface of said filter cassette, wherein a radiation beam passing through said opening can pass through said filter cassette and said attachment module.
60. The flow cytometer of claim 59, further comprising a separate detector attached to said attachment module.
61. The flow cytometer of claim 55, further comprising a sample tube having a discharge opening directed to said flow chamber.
62. The flow cytometer of claim 61, wherein said discharge opening has a diameter of 300 micrometers or less.
63. The flow cytometer of claim 61, further comprising a pressure source providing pressure to said sample tube.
64. The flow cytometer of claim 63, wherein said pressure source provides at least 10 pounds per square inch to said sample tube.
65. The flow cytometer of claim 61, further comprising an oscillator removably connected to said nozzle, said oscillator capable of vibrating at a frequency that produces droplets from a stream emerging from said sample tube.
66. The flow cytometer of claim 55, further comprising a screen having a mirrored surface interrupted by one or more pin holes, said screen placed to pass said separate radiation beams from said lens to said detector module.
67. The flow cytometer of claim 66, wherein said screen having a mirrored surface is interrupted by 3 pin holes, wherein said separate radiation beams pass through two of said three pin holes.
68. The flow cytometer of claim 67, further comprising a third detector placed to detect forward scattered radiation passing through the third of said three pin holes.
69. The flow cytometer of claim 66, further comprising a camera placed to observe said mirrored surface.
70. The flow cytometer of claim 66, further comprising a means for detecting radiation reflected by said mirrored surface, wherein said detecting means determines a position of a radiation beam relative to said pin hole.
71. The flow cytometer of claim 55, further comprising a camera placed to observe a radiation beam contacting said flow chamber.
72. The flow cytometer of claim 71, wherein said camera is placed to observe said flow chamber at a vantage opposite an entry point of said radiation beam.
73. A flow cytometer capable of attaching a nozzle having a discharge opening, comprising
(a) a means for directing a radiation beam in a horizontal path;
(b) an adjustable bracket, said adjustable bracket having a means for attaching a nozzle having a discharge opening, wherein said adjustable bracket is placed to direct said discharge opening of said nozzle above said horizontal path, and
(c) a means for adjusting said adjustable bracket, said adjusting means pivoting said discharge opening of said attached nozzle in an arc parallel to said horizontal path of said radiation beam.
74. The flow cytometer of claim 73, further comprising a nozzle attached to said adjustable bracket.
75. The flow cytometer of claim 73, further comprising
(e) a second means for adjusting said adjustable bracket, wherein said second adjusting means moves said discharge opening in a vertical path orthogonal to said horizontal path of said radiation beam.
76. The flow cytometer of claim 73, further comprising
(e) a second means for adjusting said adjustable bracket, wherein said second adjusting means moves said discharge opening in a horizontal path orthogonal to said horizontal path of said radiation beam.
77. The flow cytometer of claim 73, further comprising a sample tube within said nozzle, said sample tube having a discharge opening in said nozzle.
78. The flow cytometer of claim 77, wherein said discharge opening of said sample tube has a diameter of 300 micrometers or less.
79. The flow cytometer of claim 77, further comprising a pressure source providing pressure at said discharge opening.
80. The flow cytometer of claim 79, wherein said pressure source provides at least 10 pounds per square inch to said sample tube.
81. The flow cytometer of claim 77, further comprising an oscillator, said oscillator capable of vibrating at a frequency that produces droplets from a stream emerging from said sample tube.
82. The flow cytometer of claim 73, further comprising a oscillator removably connected to said nozzle, said oscillator capable of vibrating at a frequency that produces droplets from a stream emerging from said sample tube.
83. A flow system, comprising
(a) a vacuum manifold having an internal cavity with 3 openings;
(b) a sample container seal;
(c) a first tube removably connected to a first of said 3 openings in said vacuum manifold, said first tube removably connected to said sample container seal, wherein said first tube passes through said sample container seal;
(d) a second tube removably connected to a second of said 3 openings in said vacuum manifold;
(e) a nozzle removably connected to said second tube, wherein a discharge opening of said second tube occurs in said nozzle, and
(f) a third tube removably connected to a third of said 3 openings in said vacuum manifold, wherein a vacuum applied to said third tube can evacuate said first and second tubes.
84. The flow cytometer of claim 83, further comprising zero volume pinch valves attached to one or more of said tubes.
85. The flow cytometer of claim 83, further comprising a sample container having an internal surface attached to said sample container seal.
86. The flow cytometer of claim 85, further comprising a pressure source providing pressure to said sample container.
87. The flow cytometer of claim 86, wherein said pressure source provides at least 10 pounds per square inch to said sample container.
88. The flow cytometer of claim 83, wherein said discharge opening of said second tube has a diameter of 300 micrometers or less.
89. The flow cytometer of claim 83, further comprising an oscillator removably connected to said nozzle, said oscillator capable of vibrating at a frequency that produces droplets from a stream emerging from said sample tube.
90. A flow cytometer comprising,
(a) a flow chamber, having two separate points capable of being contacted by separate radiation beams;
(b) a first reflective surface placed to direct a first excitation radiation beam to a first of said two separate points of said flow chamber;
(c) a second reflective surface placed to direct a second excitation radiation beam to a second of said two separate points of said flow chamber;
(d) two or more devices for separately directing said first and second excitation radiation beams to said two separate points of said flow chamber, wherein said first excitation radiation beam passes orthogonally through a vertical plane in a forward direction, wherein said second excitation radiation beam passes through said vertical plane in a forward direction;
(e) a device for directing first and second emission radiation beams from said two separate points of said flow chamber, wherein said emission radiation beams pass through said vertical plane in a reverse direction compared to said forward direction;
(f) a detector module, said detector module placed to contact said first and second radiation beams;
(g) a first detector connected to said detector module, wherein said first detector is placed to detect said first radiation beam;
(h) a second detector connected to said detector module, said second detector being placed to detect said second radiation beam, wherein said first and second detectors are placed on the same side of said vertical plane;
(i) an adjustable bracket, said adjustable bracket having a means for attaching a nozzle, wherein said adjustable bracket is placed to direct an attached nozzle toward said two separate points of said flow chamber, and
(j) a means for adjusting said adjustable bracket, said adjusting means pivoting said nozzle in an arc parallel to said horizontal path of said radiation beam.

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

What is claimed is:

1. A method of providing a combustible gas mixture in a combustion chamber of an internal combustion-engined tool and having movable walls (14, 18) limiting two chamber sections (21, 22) and provided with openings (14a, 38) therethrough, the method comprising the steps of displacing the movable walls (14, 18) in a direction toward a combustion chamber bottom (3), whereby a combustion chamber space (V) lying between an end wall (17) of the combustion chamber (1) opposite the bottom (3) and a movable wall (14) facing the end wall (17) expands; and feeding the fuel gas into the expandable combustion chamber space (V).
2. A method according to claim 1, wherein the feeding step includes feeding the fuel gas in a liquefied form.
3. A method according to claim 1, comprising the step of feeding fresh air through the end wall (17) of the combustion chamber located opposite the combustion chamber bottom (3) during displacement of the movable walls (14, 18) in the direction toward the bottom (3).
4. A method according to claim 1, comprising the step of expanding the chamber sections (21, 22) during which step the fuel gas flows from the space (V) behind the movable wall 14 into the chamber sections (21, 22).
5. A method according to claim 5, comprising the step of igniting the fuel gas after collapse of the space (V) behind the movable walls (14, 18) resulting from expansion of the chamber sections (21, 22).
6. An internal combustion-engined tool, comprising a piston having a piston plate (9); and a combustion chamber (1) for generating power for driving the piston and having a bottom (3) adapted to receive the piston plate (9), an end wall (17) located opposite the bottom (3), a movable wall (14) located between the bottom (3) and the end wall (17) and provided with a check valve (14a), a movable separation wall (18) located between the bottom (3) and the movable wall (14) and provided with a plurality of openings (38), the movable wall (14) and the separation wall (18) being displaceable in a direction of the bottom (3) upon collapsing of the combustion chamber (1) with formation of an expandable space (V) between the movable wall (14) and the end wall (17) during displacement of the movable wall (14) in the direction toward the bottom (3), and means for feeding fuel gas into the expandable space (V).
7. A tool according to claim 7, further comprising at least one further check valve (17c) provided in the end wall (17).
8. A tool according to claim 7, wherein the separation plate (18) has a lug (19) provided, at a free end thereof with a shoulder (20), and wherein the movable wall (14) has a hollow extension (15) surrounding the lug (19), with both the lug (19) and the extension (15) extending through the end wall (17).
9. A tool according to claim 7, wherein the feeding means comprises single metering means.

1. A fitted top sheet adapted to be fit over a mattress and having a lip at the foot of the sheet, said top sheet having an end portion at the foot of the sheet, a pair of opposed side portions at the foot of the sheet and a thin bottom portion adapted to be slipped under an end of said mattress, said lip having elastic material thereat running at least partially from one side thereof to the other, with no other elastic material provided or carried by said top sheet, said top sheet having portions which are adapted to be folded down over the mattress such that upon insertion of an individual’s feet between the mattress and said top sheet, said top sheet has enough give to accommodate the individual’s feet without undue pressure on the individual’s feet, whereby a bed having been made up with said fitted top sheet does not have a wrinkled appearance while at the same time provides sufficient give to accommodate an individual’s feet beneath said top sheet.
2. The apparatus of claim 1, wherein said sheet is made from non-flexible material.
3. The apparatus of claim 1, wherein said lip has opposed elasticized corners attached, thereby to establish the conformal top sheet fit by grasping the mattress corners, the ends of said lip attached to the underneath side of said top sheet.
4. The apparatus of claim 3, wherein said lip ends are attached to said top sheet by unelasticized material, and wherein said elasticized material runs inwardly from said lip ends towards the center of said lip.
5. The apparatus of claim 4, wherein said inwardly running elasticized material runs completely from one end of said lip to the other.
6. The apparatus of claim 3, wherein the points at which the ends of said lip are attached to the underside of said top sheet are not directly above the ends of said lip but are rather towards the head of said top sheet.
7. The apparatus of claim 6, wherein the position of the attachment of the ends of said lip to the underside of said top sheet is not so far towards the head of said top sheet so as to preclude motion of said overlying folded down portions of said top sheet responsive to the pushing upwardly of said top sheet by an individual’s feet.
8. The apparatus of claim 3, and further including a portion of the material of said top sheet stitched to a portion of said lip to connect said lip to said top sheet, whereby the material to one side of said lip is stitched to said top sheet.
9. A method of providing a lip for a fitted top sheet to be tucked under a mattress, comprising the step of:
providing only the lip with an elastic material.
10. A method of avoiding wrinkling of a fitted top sheet when fitted to a mattress in which the top sheet is provided with a lip adapted to be tucked under a mattress, comprising the steps of:
providing the foot of the top sheet with a lip;
providing only the lip with an elastic material; and,
joining corners of the lip to positions on the underside of the top sheet with a non-elastic material such that the sheet has a tight wrinkle-free fit to the mattress and such that there is enough give at the foot of the top sheet to accommodate an individual’s feet.
11. The method of claim 10, wherein the top sheet has side portions that fall downwardly when the top sheet is fit to the mattress.
12. The method of claim 11, wherein at least a major portion of each side portion is free to move upwardly when the fitted top sheet is in place on a mattress, thus to establish top sheet give at the foot of the top sheet when an individual’s foot is inserted between the top sheet and the mattress.

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

What is claimed is:

1. A sheet-metal cage for rolling-contact bearings, comprising
at least one cage segment which is in a circular shape, each cage segment having opposite circumferential ends in the circular shape, and two of the cage segment ends meet at a joint;
the cage segment ends having closure parts shaped to interlock in a positive manner in the circumferential direction at the joint;
a plastic locking element for fixing the closure parts at the joint in a non-detachable manner, wherein the locking element is molded on both radially inside and outside the closure parts, the locking element being connected in an integral manner, to form one part, via an opening through the cage in the region of the closure parts.
2. The sheet-metal cage as claimed in claim 1, further comprising holding projections for rolling bodies that are to be guided by the cage, the projections being integrally formed on the locking elements.
3. The sheet-metal cage as claimed in claim 2, further comprising the cage having rolling body receiving openings circumferentially around the cage, and webs of the cage between the rolling body receiving openings;
further elements having holding projections, the further elements being molded in place on the webs of the cage, and the further elements being connected to the webs at the rolling body receiving openings.
4. The sheet-metal cage as claimed in claim 3, wherein there is a plurality of the cage segments arrayed together to define the circular shape and the cage segment end of one of the segments is fixed to the cage segment end of the adjacent segment.
5. The sheet-metal cage as claimed in claim 1, wherein there is a plurality of the cage segments arrayed together to define the circular shape and the cage segment end of one of the segments is fixed to the cage segment end of the adjacent segment.
6. The sheet-metal cage as claimed in claim 1, wherein there is a single cage segment and the opposite ends of the cage segment are fixed to each other.