Beds – Invalid bed or surgical support – Sectional user supporting surface
Reexamination Certificate
2005-10-25
2005-10-25
Trettel, Michael (Department: 3673)
Beds
Invalid bed or surgical support
Sectional user supporting surface
C005S616000, C005S618000
Reexamination Certificate
active
06957458
ABSTRACT:
A method of controlling the coordinative lifting of bottom sections of lying furniture such as a bed that has a back bottom section for lifting the back portion of a lying person and a knee bottom section for lifting his/her knee portion, in which the respective bottom sections can be lifted by the lifting mechanisms respectively provided for them, characterized in that a pressure detecting means is interposed between the back bottom section and the back of the lying person, and when the back bottom section is pivotally rotated and lifted to be kept inclined from a flat state where all the bottom sections are kept down to lie flat, the knee bottom section is also adequately lifted, wherein the knee bottom section is controlled to decline when the pressure applied from the back bottom section to the back of the lying person and detected by said pressure detecting means has increased to a preset value.
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Horitani Masao
Inoue Satoru
Nagaoka Hiroshi
Paramount Bed Co., Ltd.
Townsend & Banta
Trettel Michael
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