The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2005
Filed:
Apr. 11, 2003
Hiroshi Nagaoka, Tokyo, JP;
Masao Horitani, Tokyo, JP;
Satoru Inoue, Tokyo, JP;
Paramount Bed Co., Ltd., Tokyo, JP;
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 the back bottom section is provided with an external force detecting means for detecting the external force in the sliding direction acting on the back of the lying person when the back bottom section is lifted while the knee bottom section is kept lifted, that 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, and that when the external force in the sliding direction acting on the back of the lying person, detected by said external force detecting means, has risen to a preset value, the knee bottom section is controlled to descend.