Invention Grant
- Patent Title: Backrest, lumbar support, chair, attachment structure for optional member, optional member, and furniture
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Application No.: US16307795Application Date: 2017-06-09
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Publication No.: US10932573B2Publication Date: 2021-03-02
- Inventor: Hiroshi Masunaga , Shinpei Totsuka
- Applicant: OKAMURA CORPORATION
- Applicant Address: JP Yokohama
- Assignee: OKAMURA CORPORATION
- Current Assignee: OKAMURA CORPORATION
- Current Assignee Address: JP Yokohama
- Agency: Nixon Peabody LLP
- Agent Jeffrey L. Costellia
- Priority: JPJP2016-116113 20160610,JPJP2017-074011 20170403,JPJP2017-074012 20170403
- International Application: PCT/JP2017/021467 WO 20170609
- International Announcement: WO2017/213251 WO 20171214
- Main IPC: A47C7/40
- IPC: A47C7/40 ; A47C7/46 ; A47C7/02
Abstract:
A backrest (7) includes: a tensile material (71) on which a load support surface (71f) configured to receive a load of a seated person is formed; a back front frame (80F) that supports an outer peripheral end portion (71e) of the tensile material (71); an attachment portion (87) which is formed in the back front frame (80F) and faces the tensile material (71) in a state where the attachment portion (87) is separated from the tensile material (71) in a direction intersecting the load support surface (71f); and a lumber support (200) that is attachable to and detachable from the attachment portion (87), in which the lumber support (200) includes an attaching portion (222) which extends in a direction along the load support surface (71f), is inserted into a gap (S) between the tensile material (71) and the attachment portion (87), and is fixed to the attachment portion (87).
Public/Granted literature
- US10966530B2 Backrest, lumbar support, chair, attachment structure for optional member, optional member, and furniture Public/Granted day:2021-04-06
Information query
