Title:
腰枕および腰枕セット
Document Type and Number:
Japanese Patent JP7411994
Kind Code:
B2
Abstract:
A lumbar pillow of height 9 to 11 cm has outer and inner cushioning members, with a hollow space formed in the outer cushioning member. The inner cushioning member has an identical cross-sectional shape as the hollow space. The load X for the user having the lumbar pillow placed under the user's lower back equals a value obtained by multiplying the user's weight by a coefficient 0.59. A preferable range of the amount of displacement against the load is defined. The comfort of the lumbar pillow may be determined on the basis of sensory evaluation including evaluation of the texture during use, and the lumbar pillow can be used for a long period of time. The physical properties may be visualized by providing a plurality of settings to provide a substantially straight load-displacement line, enabling any user to choose a suitable pillow regardless of race, gender, and weight.
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Inventors:
Masafumi Hoshino
Application Number:
JP2020048646A
Publication Date:
January 12, 2024
Filing Date:
March 19, 2020
Export Citation:
Assignee:
Masafumi Hoshino
International Classes:
A61F5/01
Domestic Patent References:
| JP2016185330A | ||||
| JP7017165U | ||||
| JP2013090889A | ||||
| JP2015043825A | ||||
| JP2005211648A |
Foreign References:
| CN206659978U | ||||
| CN210130671U |
Attorney, Agent or Firm:
Patent Attorney Corporation Hiroe Associates Patent Office