Patent US4898419A successfully refreshed from Google Patents.
US4898419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underbody structure of a motor vehicle
Assignee: Honda Motor Co Ltd
•
Filing: 1988-03-18
•
Granted: 1990-02-06
•
Expires: 2008-03-18
Abstract
Abstract A floor panel disposed between a side sill and a center tunnel of a motor vehicle is constituted by a honeycomb panel having a honeycomb core which is sandwiched between an upper plate and a lower plate. The lower plate of the floor panel is formed integrally with a sill upper panel which defines the upper surface of the side sill and/or a tunnel panel which defines the upper surface of the center tunnel.
Inventors
- 👤 Toshihisa Kenmochi
- 👤 Tatsunori Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:25
CPC Classifications
B; B62; B62D; B62D21/00; B62D21/17; B62D21/10; B62D25/00; B62D25/02; B62D25/025; B62D25/20; B62D25/2009; B62D25/2036; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
107 words
An underbody of a motor vehicle having a plurality of strength members which give strength to a body of said vehicle and individually extend in a longitudinal direction of said body of said vehicle, and a floor panel disposed between said strength members, said floor panel comprising: a honeycomb sandwich structure having an upper plate, a lower plate, and a honeycomb core interposed between said upper plate and a recessed portion of said lower plate, wherein said recessed portion has a periphery for accommodating said upper plate, and wherein said lower plate is integrally formed with a panel for defining an upper surface of said strength members.
Claim 2
Dependent Claim
107 words
An underbody of a motor vehicle having a plurality of strength members which give strength to a body of said vehicle and individually extend in a longitudinal direction of said body of said vehicle, and a floor panel disposed between said strength members, said floor panel comprising: a honeycomb sandwich structure having an upper plate, a lower plate, and a honeycomb core interposed between said upper plate and a recessed portion of said lower plate, wherein said recessed portion has a periphery for accommodating said upper plate, and wherein said lower plate is integrally formed with a panel for defining an upper surface of said strength members.
Claim 3
Dependent Claim
60 words
An underbody as claimed in claim 1, wherein a lower surface of said recessed portion and lower surfaces of said strength members define bottom-open channels therebetween, connecting members which interconnect first members which are mounted in a front part of said body and second members which are mounted in a rear part of said body being received in said channels.
Claim 4
Dependent Claim
19 words
An underbody as claimed in claim 2, wherein lower ends of said channels are each closed by a cover.
Claim 5
Dependent Claim
28 words
An underbody as claimed in claim 1, wherein a peripheral portion of said upper plate is laid on and bonded to said lower plate around said recessed portion.
References Cited (Backward Citations)
CA693866A
Cited
US2116771A
Cited
US2126607A
Cited
US3177031A
Cited
US3940176A
Cited
US4081197A
Cited
US4129330A
Cited
US4175631A
Cited
JPS5784267A
Cited
US4475765A
Cited
JPS58218472A
Cited
US4585086A
Cited
US4593949A
Cited
US4712829A
Cited
US4606959A
Cited
JPS61249853A
Cited
US4730870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-02-05 | 1993-08-07 | 1994-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-05 | 1997-08-07 | 1998-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-05 | 2001-08-07 | 2002-02-06 | $7700.00 | Window Closed / Lapsed |