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US 8,618,451 B2Granted
Heater member for chair and method for producing the same
AssigneeToyota Boshoku Kabushiki Kaisha
InventorHideaki Kunisada
Life of this patent
Estimating the term…
Abstract
A heater member for a chair, of which the dimension as measured in the width direction is not constant, includes a fabric of a weft knitting structure having a plurality of conductive threads woven into the fabric as a part of constituent yarn. Each of the conductive threads has substantially the same length.
Claims9
A heater member for a chair, of which a dimension as measured in a width direction varies, comprising:
- a stretched fabric of a weft knitting structure that is stretched from a first shape having a generally constant width so as to have a predetermined shape that varies in width in a course direction of the fabric and having a plurality of conductive threads woven into the fabric as a part of constituent yarn,
- wherein each of said plurality of conductive threads, in an extended straight form, has substantially the same length.
A method for producing a heater member for a chair, comprising:
- cutting out a piece of fabric having a generally rectangular shape, from a fabric of a weft knitting structure having a plurality of conductive threads woven into the fabric as a part of constituent yarn;
- and
- stretching the piece of fabric into a predetermined shape so as to vary in width in a course direction of the fabric and provide the heater member for the chair,
- wherein each of said plurality of conductive threads, in an extended straight form, has substantially the same length.
1 more element
Dependencies are inferred from the claim text.