1. A piece of furniture comprising:
at least one leg;
a hollow receiver shaped to receive an end section of the at least one leg, wherein the hollow receiver comprises a first engagement element formed as a helical segment at least partially encircling an inside of the hollow receiver, and a first counter-engagement element formed on a respective outside of the end section of the leg;
wherein the first engagement element engages the first counter-engagement element for fixing the leg in place free of play;
wherein the receiver is formed as a separate insert fixed in place in a respectively matched recess in a socket member; and
wherein the insert engages the socket with a snap fit;
wherein the first engagement element and a second engagement element are formed as grooves and are located opposite each other offset by 180\xb0, each of which has an insertion element extending in an axis-parallel direction, and
the first counter-engagement element and a second counter-engagement element are peg-shaped protrusions matched to the grooves of the respective first and second engagement elements;
wherein the receiver and the end section of the leg are correspondingly embodied to be conically tapering toward a free end of the end section and dimensioned so that the end section is introduced with play with respect to the receiver in the axial direction and is fixed in place by subsequent rotation, while supported free of play at a conical inside;
wherein the engagement elements and counter-engagement elements, as well as a dimensioning of the receiver and the end section are laid out so that, with the leg attached, an upper front side of the leg is supported on an upper inner surface of the receiver; and
wherein the socket member is a hollow profiled element which includes openings on an underside that are matched to an exterior cross section of the insert.
2. The piece of furniture in accordance with claim 1,
wherein the insert is in one of a cup shape and a hat shape and is one of pressed and glued into the respective recess, riveted, and screwed from a top of the socket member.
3. A piece of furniture comprising:
at least one leg;
a hollow receiver shaped to receive an end section of the at least one leg, wherein the hollow receiver comprises an engagement element formed as a helical segment at least partially encircling an inside of the hollow receiver, and a counter-engagement element formed on a respective outside of the end section of the leg;
wherein the engagement element engages the counter-engagement element for fixing the leg in place free of play;
wherein the receiver is formed as a separate insert fixed in place in a respectively matched recess in a socket member; and
wherein the insert engages the socket with a snap fit;
wherein the receiver is made of one of a plastic and a metal; and
wherein the socket member is a hollow profiled element which includes openings on an underside that are matched to an exterior cross section of the insert.
4. A piece of furniture, comprising:
a leg comprising a pin extending radially outward on opposite sides of the leg;
a socket member;
a mounting component received in the socket member having a pair of opposed axial slots receiving portions of said pin extending radially from the leg, wherein the pin is moveable in the slots, such that the leg is axially moveable relative to the mounting component, wherein the mounting component further comprises a helical engagement member following a continuously upward rise in a first rotational direction, with the helical engagement member continuously drawing the leg into the socket when the leg is rotated relative to the socket in the first direction;
wherein the pin does not penetrate beyond an outer surface of the mounting component.
5. The piece of furniture of claim 4, wherein the socket member is secured to an underside of a work surface on the piece of furniture.
6. The piece of furniture of claim 5, wherein the socket member is one of pressed and glued into a mating recess in the piece of furniture.
7. The piece of furniture of claim 5, wherein the axis of the mounting component is aligned obliquely upward and inward with respect to the work surface.
8. The piece of furniture of claim 4, wherein the mounting component is made of one of a plastic and a metal.
9. The piece of furniture of claim 4, wherein the leg is a hollow tube.
10. The piece of furniture of claim 4 wherein the helical engagement member is a slot.
11. The piece of furniture of claim 10 wherein the helical engagement member communicates with the axial slot.
12. The piece of furniture of claim 11 wherein the pin travels in the axial slot and helical engagement member.
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. In a chain reaction code having a plurality of output symbols and a plurality of source symbols, wherein each output symbol is associated with one or more source symbols, the output symbols associated with one or more source symbols referred to as output symbols of degree one or higher, wherein at least one output symbol is associated with at least two source symbols, the output symbols associated with two or more source symbols referred to as output symbols of degree two or higher, and wherein at least one source symbol is marked as active, a method for processing the chain reaction code, comprising:
(i) selecting one of the active source symbols that is associated with an output symbol of degree two or higher; and
(ii) deactivating the selected source symbol that is associated with the output symbol of degree two or higher.
2. The method of claim 1, wherein (ii) deactivating the selected source symbol produces a deactivated source symbol and one or more recoverable source symbols, wherein each recoverable source symbol is associated with an output symbol of degree one.
3. The method of claim 2, further comprising repeating (i)-(ii) if any source symbols associated with an output symbol of degree two or higher remain in the chain reaction code.
4. The method of claim 2, further comprising repeating (i)-(ii) one or more times to produce one or more deactivated source symbols and one or more recoverable source symbols
5. The method of claim 1, wherein selecting one of the active source symbols comprises selecting the active source symbol which is associated with the greatest number of output symbols.
6. The method of claim 1, wherein selecting one of the active source symbols comprises randomly selecting an active source symbol from a group of active source symbols that are each associated with an output symbol of degree two or higher.
7. The method of claim 1, wherein (i) selecting one of the active source symbols comprises:
(a) identifying an active source symbol;
(b) determining the number of active source symbols which are potentially recoverable if the identified active source symbol is deactivated; and
(c) if the number of potentially recoverable source symbols does not exceed a predefined number, repeating (a) and (b) for another active source symbol.
8. The method of claim 3, further comprising:
reactivating the deactivated source symbol if the number of potentially recoverable source symbols does not exceed a predefined number; and
selecting another active source symbol.
9. The method of claim 1, wherein (i) selecting one of the active source symbols associated with an output symbol of degree two or higher comprises:
identifying a source symbol which is associated with an output symbol that is itself associated with a predefined number of active source symbols,
wherein deactivating the selected source symbol comprises deactivating all but one of the active source symbols associated with the identified output symbol, and wherein the remaining active source symbol comprising a non-deactivated source symbol.
10. The method of claim 9, wherein the non-deactivated source symbol is associated with the fewest number of output symbols.
11. The method of claim 1, wherein (i) selecting one of the active source symbols comprises selecting an active source symbol associated with a first output symbol, wherein the first output symbol is associated with a first set of two active source symbols.
12. The method of claim 11, wherein at least one of the first set of two source symbols is associated with a second output symbol, the second output symbol being associated with a second set of two active source symbols.
13. The method of claim 12, wherein at least one of the second set of two source symbols is associated with a third output symbol, the third output symbol being associated with a third set of two active source symbols.
14. The method of claim 1, further comprising:
(iii) identifying at least one output symbol which is associated with only one active source symbol;
(iv) recovering the active source symbol associated with the identified output symbol; and
(v) determining that no output symbol remains which is associated with only one active source symbol.
15. The method of claim 14, further comprising repeating (iv)-(v) for each of the identified output symbols associated with only one source symbol.
16. The method of claim 2, further comprising:
(iii) recovering the values of the one or more deactivated source symbols; and
(iv) determining, based upon the recovered values of the one or more deactivated source symbols, the values of one or more recoverable source symbols.
17. The method of claim 16, further comprising repeating (i)-(iv) one or more times.
18. The method of claim 16, wherein (iii) recovering the values of one or more of the deactivated source symbol comprises recovering the values of all of the deactivated source symbols.
19. The method of claim 16, wherein (iv) determining the values of one or more source symbols comprises determining the values of all of the source symbols.
20. The method of claim 17, wherein repeating (i)-(iv) one or more times comprises repeating (i)-(iv) until no active source symbols remain.
21. The method of claim 17, further comprising marking as active, a predetermined number of source symbols.
22. The method of claim 21, wherein marking as active, a predetermined number of source symbols comprises marking as active, all source symbols.
23. The method of claim 21, wherein marking as active, a predetermined number of source symbols comprises marking as active, at least one source symbol.
24. In a chain reaction code having a plurality of output symbols and a plurality of source symbols, wherein each output symbol is associated with one or more source symbols, the output symbols associated with one or more source symbols referred to as output symbols of degree one or higher, wherein at least one output symbol is associated with at least two source symbols, the output symbols associated with two or more source symbols referred to as output symbols of degree two or higher, and wherein at least one source symbol is marked as active, a method for processing the chain reaction code, comprising:
(i) determining that no output symbol within the chain reaction code is associated with only one source symbol;
(ii) selecting one of the active source symbols associated with an output symbol of degree two or higher; and
(iii) deactivating the selected source symbol associated with an output symbol of degree two or higher.
25. The method of claim 24, wherein (iii) deactivating the selected source symbol produces the deactivated source symbol and one or more recoverable source symbols, wherein each recoverable source symbol is associated with an output symbol of degree one.
26. The method of claim 25, further comprising repeating (i)-(iii).
27. In a chain reaction code having a plurality of multi-stage output symbols and a plurality of source symbols, each of the multi-stage output symbols comprising either an output symbol or a check symbol, wherein each of the multi-stage output symbols is associated with one or more source symbols, the multi-stage output symbols associated with one or more source symbols referred to as multi-stage output symbols of degree one or higher, wherein at least one multi-stage output symbol is associated with at least two source symbols, the multi-stage output symbols associated with two or more source symbols referred to as mulit-stage output symbols of degree two or higher, and wherein at least one source symbol is marked as active, a method for processing the chain reaction code, comprising:
(i) selecting one of the active source symbols associated with a multi-stage output symbol of degree two or higher; and
(ii) deactivating the selected source symbol associated with a multi-stage output symbol of degree two or higher.
28. The method of claim 27, wherein (ii) deactivating the selected source symbol produces a deactivated source symbol and one or more recoverable source symbols, wherein each recoverable source symbol is associated with an output symbol of degree one or a check symbol of degree one.
29. The method of claim 28, further comprising repeating (i)-(ii) if any source symbols associated with a multi-stage output symbol of degree two or higher remain in the chain reaction code.
30. The method of claim 28, further comprising repeating (i)-(ii) one or more times to produce one or more deactivated source symbols and one or more recoverable source symbols.
31. The method of claim 27, wherein at least one of the multi-stage output symbols comprises an output symbol and at least one of the multi-stage output symbols comprises a check symbol.
32. The method of claim 27, wherein (i) selecting one of the active source symbols comprises selecting one the active source symbol which is associated with a multistage output symbol of degree two or higher, the multi-stage output symbol comprising two or more check symbols.
33. The method of claim 27, wherein (i) selecting one of the active source symbols comprises selecting one of the active source symbol which is associated with the greatest number of multi-stage output symbols.
34. The method of claim 27, wherein (i) selecting one of the active source symbols comprises randomly selecting an active source symbol from a group of active source symbols that are each associated with a multi-stage output symbol of degree two or higher.
35. The method of claim 27, wherein (i) selecting one of the active source symbols comprises:
(a) identifying an active source symbol;
(b) determining the number of active source symbols which are potentially recoverable if the identified active source symbol is deactivated; and
(c) if the number of recoverable source symbols does not exceed a predefined number, repeating (a) and (b) for another active source symbol.
36. The method of claim 30, further comprising:
reactivating the deactivated source symbol if the number of potentially recoverable source symbols does not exceed a predefined number; and
selecting another active source symbol.
37. The method of claim 27, wherein (i) selecting one of the active source symbols comprises:
identifying a source symbol which is associated with a multi-stage output symbol that is itself associated with a predefined number of active source symbols, wherein deactivating the selected source symbol comprises deactivating all but one of the active source symbols associated with the identified multi-stage output symbol, and wherein the remaining active source symbol comprises a non-deactivated source symbol.
38. The method of claim 37, wherein the selected source symbol is associated with the fewest number of multi-stage output symbols.
39. The method of claim 27, wherein (i) selecting one of the active source symbols comprises selecting an active source symbol associated with a first multi-stage output symbol, wherein the first multi-stage output symbol is associated with a first set of two active source symbols.
40. The method of claim 39, wherein at least one of the first set of two source symbols is associated with a second multi-stage output symbol, the second multi-stage output symbol being associated with a second set of two active source symbols.
41. The method of claim 40, wherein at least one of the second set of two source symbols is associated with a third multi-stage output symbol, the third multi-stage output symbol being associated with a third set of two active source symbols.
42. The method of claim 27, further comprising:
(iii) identifying at least one multi-stage output symbol which is associated with only one active source symbol;
(iv) recovering the active source symbol associated with the identified multi-stage output symbol; and
(v) determining that no multi-stage output symbol remains which is associated with only one active source symbol.
43. The method of claim 28, further comprising:
(iii) recovering the values of the one or more deactivated source symbols; and
(iv) determining, based upon the recovered values of the one or more deactivated source symbols, the values of one or more recoverable source symbols.
44. The method of claim 43, further comprising repeating (i)-(v) one or more times.
45. The method of claim 43, wherein (iii) recovering the values of one or more of the deactivated source symbol comprises recovering the values of all of the deactivated source symbols.
46. The method of claim 43, wherein (iv) determining the values of one or more source symbols comprises determining the values of all of the source symbols.
47. The method of claim 44, wherein at least one of the multi-stage output symbols comprises an output symbol for (i)-(v), and a check symbol for a subsequent repetition of (i)-(V).
48. The method of claim 44, wherein at least one of the multi-stage output symbols comprises a check symbol for (i)-(v), and an output symbol for a subsequent repetition of (i)-(V).
49. The method of claim 44, wherein at least one of the multi-stage output symbols comprises an output symbol for (i)-(v) until no active source symbol remains, and wherein thereafter, the at least one multi-stage output symbols comprises a check symbol.
50. The method of claim 44, wherein at least one of the multi-stage output symbols comprises a check symbol for (i)-(v) until no active source symbol remains, and wherein thereafter, the at least one multi-stage output symbols comprises an output symbol.
51. A system configured to process a chain reaction code having a plurality of output symbols and a plurality of source symbols, wherein each output symbol is associated with one or more source symbols, the output symbols associated with one or more source symbols referred to as output symbols of degree one or higher, wherein at least one output symbol is associated with at least two source symbols, the output symbols associated with two or more source symbols referred to as output symbols of degree two or higher, and wherein at least one source symbol is marked as active, the system comprising:
(i) means for selecting one of the active source symbols associated with an output symbol of degree two or higher; and
(ii) means for deactivating the selected source symbol associated with an output symbol of degree two or higher.
52. The system of claim 51, wherein (ii) the means for deactivating the selected source symbol produces a deactivated source symbol and one or more recoverable source symbols, wherein each recoverable source symbol is associated with a single output symbol of degree on.
53. The system of claim 51, further comprising
(iii) means for identifying at least one output symbol which is associated with only one active source symbol;
(iv) means for recovering the active source symbol associated with the identified output symbol; and
(v) means for determining that no output symbol remains which is associated with only one active source symbol.
53. The system of claim 52, further comprising:
(iii) means for recovering the values of one or more deactivated source symbols; and
(iv) means for determining, based upon the recovered values of the deactivated source symbols, the values of one or more recoverable source symbols.
54. The system of claim 453, wherein (i)-(iv) are comprised with a computer processor.
55. A computer program product, on a computer readable storage medium, for processing a chain reaction code having a plurality of output symbols and a plurality of source symbols, wherein each output symbol is associated with one or more source symbols, the output symbols associated with one or more source symbols referred to as output symbols of degree one or higher, wherein at least one output symbol is associated with at least two source symbols, the output symbols associated with two or more source symbols referred to as output symbols of degree two or higher, and wherein at least one source symbol is marked as active, the computer program product comprising:
(i) instruction code to select one of the active source symbols associated with an output symbol of degree two or higher; and
(ii) instruction code to deactivate the selected source symbol associated with the selected output symbol of degree two or higher.
56. The system of claim 55, wherein (ii) the instruction code for deactivating the selected source symbol produces a deactivated source symbol and one or more recoverable source symbols, wherein each recoverable source symbol is associated with an output symbol of degree one.
57. The computer program product of claim 56, further comprising:
(iii) instruction code to identify at least one output symbol which is associated with only one active source symbol;
(iv) instruction code to recover the active source symbol associated with the identified output symbol; and
(v) instruction code to determine whether no output symbol remains which is associated with only one active source symbol.
58. The computer program product of claim 57, further comprising:
(iii) instruction code to recover the values of one or more deactivated source symbols; and
(iv) instruction code to determine, based upon the recovered values of the deactivated source symbols, the values of one or more of the recoverable source symbols.