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US5730496A Expired / Lapsed US ⏱️ 0.0 years remaining

Vehicle rear seat device

Assignee: Toyota Motor Corp
•
Filing: 1996-12-11
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Granted: 1998-03-24
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Expires: 2016-12-11
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Abstract

Abstract A vehicle rear seat device, which enables an increase in a floor surface area of a rear portion of a vehicle, includes: a seat cushion provided so as to be rotatable approximately 180 degrees toward a front of the vehicle; a seat back which is forwardly-collapsible; and a rotating mechanism which rotates the seat cushion and at which a center of rotation of the seat cushion is set at a height which is approximately one-half of a height of the seat cushion at a front end surface of the seat cushion.

Inventors

  • 👤 Kazunori Hashimoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:34
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/32; B60N2/36; B60N2/30; B60N2/3002; B60N2/3004; B60N2/3009; B60N2/3013; B60N2/3038; B60N2/304; B60N2/3045; B60N2/305; B60N2/3072; B60N2/3075

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 102 words
A vehicle rear seat device enabling an increase in a floor surface area of a rear portion of a vehicle, comprising: a seat cushion provided so as to be rotatable approximately 180 degrees toward a front of the vehicle; a seat back which is forwardly-collapsible; and a rotating mechanism which rotates said seat cushion and in which a center of rotation of said seat cushion is set at a height which is substantially one-half of a height of a front end surface of said seat cushion, wherein said center of rotation is located on said front end surface of said seat cushion.
Claim 2
Dependent Claim 102 words
A vehicle rear seat device enabling an increase in a floor surface area of a rear portion of a vehicle, comprising: a seat cushion provided so as to be rotatable approximately 180 degrees toward a front of the vehicle; a seat back which is forwardly-collapsible; and a rotating mechanism which rotates said seat cushion and in which a center of rotation of said seat cushion is set at a height which is substantially one-half of a height of a front end surface of said seat cushion, wherein said center of rotation is located on said front end surface of said seat cushion.
Claim 3
Dependent Claim 44 words
A vehicle rear seat device according to claim 1, wherein at said rotating mechanism, the center of rotation of said seat cushion is set at a height which is approximately one-half of a thickness dimension of said seat back which has been collapsed forward.
Claim 4
Dependent Claim 75 words
A vehicle rear seat device according to claim 1, wherein said seat cushion has a seat cushion lower portion which is adapted to be disposed in a floor recess portion formed in a floor surface provided at a rear of the vehicle, and a seat cushion upper portion which is rotatable toward the front of the vehicle, the floor surface being a border between said seat cushion lower portion and said seat cushion upper portion.
Claim 5
Dependent Claim 61 words
A vehicle rear seat device according to claim 3, wherein said rotating mechanism has an upper plate which is mounted to a front portion of a seat frame provided at said seat cushion upper portion, a lower plate which is adapted to be mounted to the floor surface, and a hinge shaft which connects said upper plate and said lower plate.
Claim 6
Dependent Claim 107 words
A vehicle rear seat device according to claim 4, wherein said seat cushion upper portion has a top plate, and a rear end of said top plate is fixed to a rear portion of the seat frame, and a front end of said top plate is allowed to bend toward a bottom of the vehicle when a vehicle passenger is seated, and the front end of said top plate is connected to said lower plate via a connecting member such that bending of the front end of said top plate toward the bottom of the vehicle when said seat cushion is in a folded-forward state is restricted.
Claim 7
Dependent Claim 29 words
A vehicle rear seat device according to claim 5, wherein said connecting member is provided beneath a front portion of the seat frame when a vehicle passenger is seated.
Claim 8
Dependent Claim 46 words
A vehicle rear seat device according to claim 5, wherein when said seat cushion is in a folded-forward state, a substantially intermediate portion of said connecting member is pushed by the front portion of the seat frame such that tension is applied to said connecting member.
Claim 9
Dependent Claim 17 words
A vehicle rear seat device according to claim 5, wherein said connecting member is an elongated member.
Claim 10
Dependent Claim 104 words
A vehicle rear seat device enabling an increase in a floor surface area of a rear portion of a vehicle, comprising: a seat cushion provided so as to be rotatable approximately 180 degrees toward a front of the vehicle; a seat back which is forwardly-collapsible; and a rotating mechanism which rotates said seat cushion and in which a center of rotation of said seat cushion is set at a height which is substantially one-half of a height of a front end surface of said seat cushion and which is substantially one-half of a thickness dimension of said seat back which has been collapsed forward.
Claim 11
Dependent Claim 104 words
A vehicle rear seat device enabling an increase in a floor surface area of a rear portion of a vehicle, comprising: a seat cushion provided so as to be rotatable approximately 180 degrees toward a front of the vehicle; a seat back which is forwardly-collapsible; and a rotating mechanism which rotates said seat cushion and in which a center of rotation of said seat cushion is set at a height which is substantially one-half of a height of a front end surface of said seat cushion and which is substantially one-half of a thickness dimension of said seat back which has been collapsed forward.
Claim 12
Dependent Claim 75 words
A vehicle rear seat device according to claim 9, wherein said seat cushion has a seat cushion lower portion which is adapted to be disposed in a floor recess portion formed in a floor surface provided at a rear of the vehicle, and a seat cushion upper portion which is rotatable toward the front of the vehicle, the floor surface being a border between said seat cushion lower portion and said seat cushion upper portion.
Claim 13
Dependent Claim 159 words
A vehicle rear seat device according to claim 10, wherein said rotating mechanism has an upper plate which is mounted to a front portion of a seat frame provided at said seat cushion upper portion, a lower plate which is adapted to be mounted to the floor surface, and a hinge shaft which connects said upper plate and said lower plate, and said seat cushion upper portion has a top plate, and a rear end of said top plate is fixed to a rear portion of the seat frame, and a front end of said top plate is allowed to bend toward a bottom of the vehicle when a vehicle passenger is seated, and the front end of said top plate is connected to said lower plate via a connecting member such that bending of the front end of said top plate toward the bottom of the vehicle when said seat cushion is in a folded-forward state is restricted.
Claim 14
Dependent Claim 29 words
A vehicle rear seat device according to claim 11, wherein said connecting member is provided beneath a front portion of the seat frame when a vehicle passenger is seated.
Claim 15
Dependent Claim 46 words
A vehicle rear seat device according to claim 11, wherein when said seat cushion is in a folded-forward state, a substantially intermediate portion of said connecting member is pushed by the front portion of the seat frame such that tension is applied to said connecting member.
Claim 16
Dependent Claim 17 words
A vehicle rear seat device according to claim 11, wherein said connecting member is an elongated member.
Claim 17
Dependent Claim 169 words
A vehicle rear seat device enabling an increase in a floor surface area of a rear portion of a vehicle, comprising: a seat cushion provided so as to be rotatable approximately 180 degrees toward a front of the vehicle, said seat cushion having a seat cushion lower portion, which is adapted to be disposed in a floor recess portion formed in a floor surface provided at a rear of the vehicle, and a seat cushion upper portion, which is rotatable toward the front of the vehicle, the floor surface being a border between said seat cushion lower portion and said seat cushion upper portion; a seat back which is forwardly-collapsible; and a rotating mechanism which rotates said seat cushion and in which a center of rotation of said seat cushion is set at a height which is substantially one-half of a height of a front end surface of said seat cushion and which is substantially one-half of a thickness dimension of said seat back which has been collapsed forward.
Claim 18
Dependent Claim 169 words
A vehicle rear seat device enabling an increase in a floor surface area of a rear portion of a vehicle, comprising: a seat cushion provided so as to be rotatable approximately 180 degrees toward a front of the vehicle, said seat cushion having a seat cushion lower portion, which is adapted to be disposed in a floor recess portion formed in a floor surface provided at a rear of the vehicle, and a seat cushion upper portion, which is rotatable toward the front of the vehicle, the floor surface being a border between said seat cushion lower portion and said seat cushion upper portion; a seat back which is forwardly-collapsible; and a rotating mechanism which rotates said seat cushion and in which a center of rotation of said seat cushion is set at a height which is substantially one-half of a height of a front end surface of said seat cushion and which is substantially one-half of a thickness dimension of said seat back which has been collapsed forward.
Claim 19
Dependent Claim 159 words
A rear seat vehicle device according to claim 15, wherein said rotating mechanism has an upper plate which is mounted to a front portion of a seat frame provided at said seat cushion upper portion, a lower plate which is adapted to be mounted to the floor surface, and a hinge shaft which connects said upper plate and said lower plate, and said seat cushion upper portion has a top plate, and a rear end of said top plate is fixed to a rear portion of the seat frame, and a front end of said top plate is allowed to bend toward a bottom of the vehicle when a vehicle passenger is seated, and the front end of said top plate is connected to said lower plate via a connecting member such that bending of the front end of said top plate toward the bottom of the vehicle when said seat cushion is in a folded-forward state is restricted.
Claim 20
Dependent Claim 29 words
A rear seat vehicle device according to claim 16, wherein said connecting member is provided beneath a front portion of the seat frame when a vehicle passenger is seated.
Claim 21
Dependent Claim 17 words
A rear seat vehicle device according to claim 17, wherein said connecting member is an elongated member.
Claim 22
Dependent Claim 46 words
A rear seat vehicle device according to claim 16, wherein when said seat cushion is in a folded-forward state, a substantially intermediate portion of said connecting member is pushed by the front portion of the seat frame such that tension is applied to said connecting member.
Claim 23
Dependent Claim 17 words
A rear seat vehicle device according to claim 19, wherein said connecting member is an elongated member.

References Cited (Backward Citations)

US3328069A Cited
US4133556A Cited
US4376552A Cited
US4512609A Cited
JPS5994934A Cited
JPS5994933A Cited
JPS61155242A Cited
US4637653A Cited
US4805953A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-03-23 2001-09-22 2002-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-03-23 2005-09-22 2006-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-03-23 2009-09-22 2010-03-24 $7700.00 Window Closed / Lapsed

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