GB1294091A - Improvements in or relating to lumbar support pads - Google Patents

Improvements in or relating to lumbar support pads

Info

Publication number
GB1294091A
GB1294091A GB4623068A GB4623068A GB1294091A GB 1294091 A GB1294091 A GB 1294091A GB 4623068 A GB4623068 A GB 4623068A GB 4623068 A GB4623068 A GB 4623068A GB 1294091 A GB1294091 A GB 1294091A
Authority
GB
United Kingdom
Prior art keywords
pad
support surface
lumbar support
relating
support pads
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4623068A
Inventor
Bernard Curtis Watkin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB4623068A priority Critical patent/GB1294091A/en
Publication of GB1294091A publication Critical patent/GB1294091A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

1294091 Cushions B C WATKIN 30 Dec 1969 [30 Sept 1968] 46230/68 Heading A4M A lumbar support pad has a support surface 10 shaped to fit against the back of a user in the lumbo-sacral region, the support surface 10 being general convex, as in Fig.3a, in sections taken on vertical planes through the pad, and generally concave, as in Fig. 2, in sections on horizontal planes through the pad, and the general form of the support surface is defined as a smooth surface passing through points located at specified co-ordinates relative to the planar base 4 of the pad. The pad has flat sides and ends 26, 28, 29, may be of foamed plastics, and may be formed integrally with a back rest of a seat.
GB4623068A 1968-09-30 1968-09-30 Improvements in or relating to lumbar support pads Expired GB1294091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4623068A GB1294091A (en) 1968-09-30 1968-09-30 Improvements in or relating to lumbar support pads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4623068A GB1294091A (en) 1968-09-30 1968-09-30 Improvements in or relating to lumbar support pads

Publications (1)

Publication Number Publication Date
GB1294091A true GB1294091A (en) 1972-10-25

Family

ID=10440391

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4623068A Expired GB1294091A (en) 1968-09-30 1968-09-30 Improvements in or relating to lumbar support pads

Country Status (1)

Country Link
GB (1) GB1294091A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5267416U (en) * 1975-11-14 1977-05-19
EP0032839A2 (en) * 1980-01-21 1981-07-29 Bernard Curtis Watkin Chair shells
GB2130086A (en) * 1982-11-13 1984-05-31 James Putnam Improvements relating to back supporting cushions for seats
GB2155781A (en) * 1984-03-21 1985-10-02 Orthopaedic Aids Limited Cushion

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5267416U (en) * 1975-11-14 1977-05-19
JPS5411133Y2 (en) * 1975-11-14 1979-05-21
EP0032839A2 (en) * 1980-01-21 1981-07-29 Bernard Curtis Watkin Chair shells
EP0032839B1 (en) * 1980-01-21 1984-05-16 Bernard Curtis Watkin Chair shells
GB2130086A (en) * 1982-11-13 1984-05-31 James Putnam Improvements relating to back supporting cushions for seats
GB2155781A (en) * 1984-03-21 1985-10-02 Orthopaedic Aids Limited Cushion

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PE20 Patent expired after termination of 20 years