Methods and apparatuses for comfort/support analysis of a sleep support member

• US 9,138,067 B2
• Filed: 11/14/2008
• Issued: 09/22/2015
• Est. Priority Date: 06/26/2008
• Status: Active Grant

• Current Assignee: Kingsdown Incorporated (Owen & Company Limited)
• Original Assignee: Kingsdown Incorporated (Owen & Company Limited)
• Inventors: Schmoeller, Joe W., Scott, David B., Oexman, Robert D., Carrier, Joshua
• Primary Examiner(s): WEST, PAUL M
• Application Number:
  US12/920,307
• Publication Number:
  US 20110041592A1
• Time in Patent Office: 2,503 Days
• Field of Search: 73/110.4, 737/88, 738/06
• US Class Current: 1/1
• CPC Class Codes: A47C 31/123 for beds or mattresses
• CPC Class Codes: G01M 99/001 Testing of furniture, e.g. seats or mattresses

Abstract

A method of testing a sleep support member, the method including: identifying the sleep support member; determining a tested comfort/support value for the identified sleep support member before the identified sleep support member is provided to a customer; and determining whether the tested comfort/support value is within a predetermined tolerance level of a goal comfort/support value for the identified sleep support member. An apparatus for testing a sleep support member, the apparatus including: an identification unit configured to identify the sleep support member; a comfort/support testing unit configured to determine a tested comfort/support value for the identified sleep support member before the identified sleep support member is provided to a customer; and an analysis unit configured to determine whether the tested comfort/support value is within a predetermined tolerance level of a goal comfort/support value for the identified sleep support member.

Claims

1. A method of testing a sleep support member, the method comprising:

identifying the sleep support member;

determining a tested comfort/support analysis curve for the identified sleep support member while the identified sleep support member is in a manufacturing line; and

determining whether a range of values along the tested comfort/support analysis curve deviates from a goal comfort/support analysis curve for the identified sleep support member by more than a predetermined tolerance level.

2. The method of claim 1, wherein the sleep support member comprises at least one of a mattress and a box spring.

3. The method of claim 1, wherein the goal comfort/support analysis curve comprises a goal Indention/Load/Deflection (“

ILD”

) curve, and

wherein the tested comfort/support analysis curve is determined by an ILD test.

4. The method of claim 3, further comprising:

determining a plurality of tested comfort/support analysis curves for the identified sleep support member while the identified sleep support member is in the manufacturing line; and

determining, for each of the plurality of tested comfort/support analysis curves, whether a range of values along the respective tested comfort/support analysis curve deviates from a respective goal comfort/support analysis curve by more than a respective predetermined tolerance level.

5. The method of claim 4, wherein each of the plurality of tested comfort/support analysis curves comprises an ILD curve.

6. The method of claim 4, wherein each of the plurality of tested comfort/support analysis curves for the identified sleep support member is associated with a different location on the sleep support member.

7. The method of claim 4, wherein a first of the plurality of tested comfort/support analysis curves for the identified sleep support member is associated with a location on a first side of the sleep support member;

and

wherein a second of the plurality of tested comfort/support analysis curves for the identified sleep support member is associated with a location on a second side of the sleep support member, opposite to said first side.

8. The method of claim 7, wherein the first of the plurality of tested comfort/support analysis curves and the second of the plurality of tested comfort/support analysis curves are determined simultaneously.

9. The method of claim 1, wherein the goal comfort/support analysis curve is retrieved from a memory.

10. The method of claim 9, wherein the memory includes a plurality of other goal comfort/support analysis curves respectively associated with a plurality of other sleep support members, and

wherein the method further comprises, in response to determining that the range of values along the tested comfort/support analysis curve deviates from the goal comfort/support analysis curve for the identified sleep support member by more than the predetermined tolerance level, then searching the plurality of other goal comfort/support analysis curves to determine if the range of values along the tested comfort/support analysis curve deviates from one of the plurality of other goal comfort/support analysis curves by more than the predetermined tolerance level.

11. The method of claim 1, wherein the identifying the sleep support member comprises reading a bar code provided on the sleep support member.

12. The method of claim 1, wherein the identifying the sleep support member comprises reading an RFID provided on or in the sleep support member.

13. The method of claim 1, wherein the determining a tested comfort/support analysis curve for the identified sleep support member comprises:

applying a load to the sleep support member at a location using a contact surface; and

measuring a deflection of the sleep support member caused by the applied load.

14. The method of claim 13, further comprising:

applying a plurality of loads to the sleep support member at the location using the contact surface; and

measuring a plurality of corresponding deflections of the sleep support member caused by the applied loads.

15. The method of claim 1, further comprising determining recovery characteristics of the sleep support member.

16. The method of claim 15, wherein the determining recovery characteristics of the sleep support member comprises:

applying a load to the sleep support member at a location using a contact surface; and

measuring a plurality of deflections of the sleep support member caused by the applied load as the applied load is removed from the sleep support member.

17. The method of claim 1, further comprising communicating the tested comfort/support analysis curve to a consumer.

18. The method of claim 1, wherein the method is performed for substantially all sleep support members that are manufactured in the manufacturing line.

19. The method of claim 1, wherein the determining the tested comfort/support analysis curve for the identified sleep support member comprises determining the tested comfort/support analysis curve for the identified sleep support member before the identified sleep support member is provided to any customers.

20. The method of claim 1, wherein the determining a tested comfort/support analysis curve for the identified sleep support member is performed only while the identified sleep support member is in the manufacturing line.

21. The method of claim 1, further comprising determining whether the range of values along the tested comfort/support analysis curve deviates from the goal comfort/support analysis curve for the identified sleep support member by more than a predetermined percentage.

22. An apparatus for testing a sleep support member, the apparatus comprising:

an identification unit configured to identify the sleep support member;

a comfort/support testing unit configured to determine a tested comfort/support analysis curve for the identified sleep support member while the identified sleep support member is in the manufacturing line; and

an analysis unit configured to determine whether a range of values along the tested comfort/support analysis curve deviates from a goal comfort/support analysis curve for the identified sleep support member by more than a predetermined tolerance level.

23. The apparatus of claim 22, wherein the sleep support member comprises at least one of a mattress and a box spring.

24. The apparatus of claim 22, wherein the goal comfort/support analysis curve comprises at least one goal Indention/Load/Deflection (“

ILD”

) curve, and

wherein the tested comfort/support analysis curve is determined by an ILD test.

25. The apparatus of claim 24, wherein the comfort/support testing unit is configured to determine a plurality of tested comfort/support analysis curves for the identified sleep support member while the identified sleep support member is in the manufacturing line;

and

wherein the analysis unit is configured to determine, for each of the plurality of tested comfort/support analysis curves, whether a range of values along the respective tested comfort/support analysis curve deviates from a respective goal comfort/support analysis curve by more than a respective predetermined tolerance level.

26. The apparatus of claim 25, wherein each of the plurality of tested comfort/support analysis curves comprises an ILD curve.

27. The apparatus of claim 25, wherein the comfort/support testing unit is configured such that each of the plurality of tested comfort/support analysis curves for the identified sleep support member is associated with a different location on the sleep support member.

28. The apparatus of claim 25, wherein the comfort/support testing unit is configured such that a first of the plurality of tested comfort/support analysis curves for the identified sleep support member is associated with a location on a first side of the sleep support member;

and

wherein the comfort/support testing unit is configured such that a second of the plurality of tested comfort/support analysis curves for the identified sleep support member is associated with a location on a second side of the sleep support member, opposite to said first side.

29. The apparatus of claim 28, wherein the comfort/support testing unit is configured to determine the first of the plurality of tested comfort/support analysis curves and the second of the plurality of tested comfort/support analysis curves simultaneously.

30. The apparatus of claim 22, further comprising a memory;

wherein the goal comfort/support analysis curve is retrieved from the memory.

31. The apparatus of claim 30, wherein the memory includes a plurality of other goal comfort/support analysis curves respectively associated with a plurality of other sleep support members, and

wherein the analysis unit is configured to, in response to determining that the range of values along the tested comfort/support analysis curve deviates from the goal comfort/support analysis curve for the identified sleep support member by more than the predetermined tolerance level, then search the plurality of other goal comfort/support analysis curves to determine if the range of values along the tested comfort/support analysis curve deviates from one of the plurality of other goal comfort/support analysis curves by more than the predetermined tolerance level.

32. The apparatus of claim 22, wherein the identification unit is configured to identify the sleep support member using a bar code provided on the sleep support member.

33. The apparatus of claim 22, wherein the identification unit is configured to identify the sleep support member using an RFID provided on or in the sleep support member.

34. The apparatus of claim 22, wherein the sleep support member comprises an identifier;

and

wherein the identifier comprises information relating to at least one of goal specifications of the sleep support member, goal ILD curves of the sleep support member, goal tolerance levels of the sleep support member, a type of the sleep support member, a location where the sleep support member was manufactured, a date of manufacture of the sleep support member, manufacturing materials of the sleep support member, and customer information.

35. The apparatus of claim 34, wherein the identifier comprises reference information relating to a database.

36. The apparatus of claim 22, wherein the comfort/support testing unit comprises:

a contact surface configured to apply a load to the sleep support member at a testing location; and

a measurement unit configured to measure a deflection of the sleep support member caused by the applied load at the testing location.

37. The apparatus of claim 36, wherein the contact surface is configured to apply a plurality of loads to the sleep support member at the testing location;

and

wherein the measurement unit is configured to measure a plurality of corresponding deflections of the sleep support member caused by respective applied loads.

38. The apparatus of claim 22, wherein the comfort/support testing unit is configured to determine recovery characteristics of the sleep support member.

39. The apparatus of claim 38, wherein the comfort/support testing unit comprises:

a contact surface configured to apply a load to the sleep support member at a testing location; and

a recovery characteristics measurement unit configured to measure a plurality of deflections of the sleep support member caused by the applied load as the applied load is removed from the sleep support member.

40. The apparatus of claim 22, further comprising a communication unit configured to communicate the tested comfort/support analysis curve to a consumer.

41. The apparatus of claim 22, wherein the identification unit is configured to identify substantially all sleep support members that are manufactured in a manufacturing line;

wherein the comfort/support testing unit is configured to determine a tested comfort/support analysis curve for each of the identified sleep support members while the identified sleep support members are in a manufacturing line; and

wherein the analysis unit is configured to determine whether a range of values along each of the tested comfort/support analysis curves deviates from a respective goal comfort/support analysis curve for each of the respective identified sleep support members by more than the predetermined tolerance level.

42. A method of testing a sleep support member, the method comprising:

identifying the sleep support member;

determining a tested comfort/support analysis curve for the identified sleep support member while the identified sleep support member is in the manufacturing line; and

determining whether a range of values along the tested comfort/support analysis curve deviates from a goal comfort/support analysis curve for the identified sleep support member by more than a predetermined tolerance level;

wherein the goal comfort/support analysis curve comprises a goal Indention/Load/Deflection (“

ILD”

) curve.

43. The method of claim 42, further comprising:

determining a plurality of tested comfort/support analysis curves for the identified sleep support member while the identified sleep support member is in the manufacturing line; and

determining, for each of the plurality of tested comfort/support analysis curves, whether a range of values along the respective tested comfort/support analysis curve deviates from a respective goal comfort/support analysis curve by more than a respective predetermined tolerance level.

44. The method of claim 42, further comprising determining recovery characteristics of the sleep support member.