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US5155685A Expired / Lapsed US ⏱️ 0.0 years remaining

Seat with fatigue lessening device

Assignee: Nissan Motor Co Ltd
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Filing: 1990-07-12
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Granted: 1992-10-13
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Expires: 2010-07-12
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Abstract

Abstract A seat having fatigue lessening device has a seat shape changer for changing an occupant holding portion of the seat. A physique judging device is employed for determining whether the occupant is overweight, middle sized or slim. The operation of the seat shape changer is controlled in accordance with information provided by the physique judging device.

Inventors

  • 👤 Yoichi Kishi
  • 👤 Hideyuki Nagashima
  • 👤 Akira Mochizuki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 08:49
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/90; B60N2/914; B60N2/64; B60N2/66; A; A61; A61H; A61H2201/00; A61H2201/01; A61H2201/0119; A61H2201/0138; A61H2201/0149

Claims Analysis

Total Claims: 34
Claim 1
Independent Claim 76 words
A seat control system comprising: a seat with an occupant holding portion; first means for changing the shape of said occupant holding portion; second means for controlling said first means to change the shape of said occupant holding portion for a given duration at given intervals; third means for producing an information representative of the physique of an occupant; and fourth means for changing said given intervals in accordance with said information from said third means.
Claim 2
Dependent Claim 76 words
A seat control system comprising: a seat with an occupant holding portion; first means for changing the shape of said occupant holding portion; second means for controlling said first means to change the shape of said occupant holding portion for a given duration at given intervals; third means for producing an information representative of the physique of an occupant; and fourth means for changing said given intervals in accordance with said information from said third means.
Claim 3
Dependent Claim 57 words
A seat control system as claimed in claim 1, wherein said first means comprises: an air pump; a plurality of air-bags installed in given portions of the seat; a plurality of pipes connecting the respective air-bags to an outlet of said air-pump; and electromagnetic valves mounted to the respective pipes to selectively open and close the same.
Claim 4
Dependent Claim 20 words
A seat control system as claimed in claim 2, wherein said second and fourth means are incorporated with a computer.
Claim 5
Dependent Claim 39 words
A seat control system as claimed in claim 3, wherein said third means comprises a pressure sensor which is installed in a seat cushion of the seat at the position where the hip portion of the occupant is placed.
Claim 6
Dependent Claim 39 words
A seat control system as claimed in claim 4, wherein said third means further comprises means for determining whether the occupant is overweight, middle-sized or slim in accordance with a pressure applied to said pressure sensor by the occupant.
Claim 7
Dependent Claim 32 words
A seat control system as claimed in claim 5, wherein said fourth means comprises a timer which starts a time measuring when said third means has determined the physique of the occupant.
Claim 8
Dependent Claim 31 words
A seat control system as claimed in claim 6, wherein the time measured by said timer is determined in accordance with the physique of the occupant determined by said third means.
Claim 9
Dependent Claim 32 words
A seat control system as claimed in claim 3, wherein said third means comprises a key board through which various factors of the physique of the occupant are fed to said computer.
Claim 10
Dependent Claim 19 words
A seat control system as claimed in claim 8, wherein said factors include height and weight of the occupant.
Claim 11
Dependent Claim 27 words
A seat control system as claimed in claim 9, wherein said third means includes means which quantifies the inputted factors to an obesity index of the occupant.
Claim 12
Dependent Claim 30 words
A seat control system as claimed in claim 10, wherein said third means quantifies the occupant as overweight, middle-sized or slim in accordance with the obesity index of the occupant.
Claim 13
Dependent Claim 32 words
A seat control system as claimed in claim 11, wherein said fourth means comprises a timer which starts a time measuring when said third means has determined the physique of the occupant.
Claim 14
Dependent Claim 31 words
A seat control system as claimed in claim 12, wherein the time measured by said timer is determined in accordance with the physique of the occupant determined by said third means.
Claim 15
Dependent Claim 28 words
A seat control system as claimed in claim 1, wherein the changing of said intervals by said physique of the occupant is carried out in an analogue manner.
Claim 16
Dependent Claim 36 words
A seat control system as claimed in claim 1, wherein said first means comprises an air-bag which is installed in a seatback of the seat at a position which supports a lumbar portion of the occupant.
Claim 17
Dependent Claim 30 words
A seat control system as claimed in claim 1, wherein said third means determines the physique of the occupant by information based on weight, figure, and height of the occupant.
Claim 18
Dependent Claim 32 words
A seat control system as claimed in claim 16, wherein the given intervals are controlled by the information of the third means which represents the weight, figure and height of the occupant.
Claim 19
Dependent Claim 98 words
A seat control system comprising: a seat with an occupant holding portion; first means for changing the shape of a first given part of said occupant holding portion for a given duration at a first given interval; second means for changing the shape of a second given part of said seat occupant holding portion for a given duration at a second given interval; third means for providing an information signal representative of the physique of an occupant; and fourth means for changing said first and second given intervals in accordance with said information signal from said third means.
Claim 20
Dependent Claim 98 words
A seat control system comprising: a seat with an occupant holding portion; first means for changing the shape of a first given part of said occupant holding portion for a given duration at a first given interval; second means for changing the shape of a second given part of said seat occupant holding portion for a given duration at a second given interval; third means for providing an information signal representative of the physique of an occupant; and fourth means for changing said first and second given intervals in accordance with said information signal from said third means.
Claim 21
Dependent Claim 75 words
A seat control system as claimed in claim 18, wherein said first and second means comprises: an air pump; a plurality of air-bags installed in the seat, wherein two of the air-bags are installed in said first and second given parts of said occupant holding portion; a plurality of pipes connecting the respective air-bags to an outlet of said air-pump; and electromagnetic valves mounted to the respective pipes to selectively open and close the same.
Claim 22
Dependent Claim 18 words
A seat control system as claimed in claim 19, wherein said fourth means is incorporated with a computer.
Claim 23
Dependent Claim 39 words
A seat control system as claimed in claim 20, wherein said third means comprises a pressure sensor which is installed in a seat cushion of the seat at the position where the hip portion of the occupant is placed.
Claim 24
Dependent Claim 38 words
A seat control system as claimed in claim 21, wherein said third means further comprises means for determining whether the occupant is overweight, middle-sized or slim in accordance with pressure applied to said pressure sensor by the occupant.
Claim 25
Dependent Claim 32 words
A seat control system as claimed in claim 22, wherein said fourth means comprises a timer which starts a time measuring when said third means has determined the physique of the occupant.
Claim 26
Dependent Claim 31 words
A seat control system as claimed in claim 23, wherein the time measured by said timer is determined in accordance with the physique of the occupant determined by said third means.
Claim 27
Dependent Claim 33 words
A seat control system as claimed in claim 20, wherein said third means comprises a key board through which various factors of the physique of the occupant are manually fed to said computer.
Claim 28
Dependent Claim 19 words
A seat control system as claimed in claim 25, wherein said factors include height and weight of the occupant.
Claim 29
Dependent Claim 27 words
A seat control system as claimed in claim 26, wherein said third means includes means which quantifies the inputted factors to an obesity index of the occupant.
Claim 30
Dependent Claim 30 words
A seat control system as claimed in claim 27, wherein said third means quantifies the occupant as overweight, middle-sized or slim in accordance with the obesity index of the occupant.
Claim 31
Dependent Claim 32 words
A seat control system as claimed in claim 28, wherein said fourth means comprises a timer which starts a time measuring when said third means has determined the physique of the occupant.
Claim 32
Dependent Claim 31 words
A seat control system as claimed in claim 29, wherein the time measured by said timer is determined in accordance with the physique of the occupant determined by said third means.
Claim 33
Dependent Claim 49 words
A seat control system as claimed in claim 18, wherein said first given part is the part which supports a hip portion of the occupant and in which said fourth means shortens said second given interval when said third means provide an information signal which represents an overweight occupant.
Claim 34
Dependent Claim 49 words
A seat control system as claimed in claim 31, wherein said second given part is a part which supports a lumbar portion of the occupant and in which said fourth means shortens said second given interval when said third means provide and information signal which represents a slim occupant.

References Cited (Backward Citations)

US4811226A Cited
US4797824A Cited
US4812838A Cited
US4706194A Cited
US4833614A Cited
US4853687A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-10-13 1996-04-13 1996-10-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-10-13 2000-04-13 2000-10-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-10-13 2004-04-13 2004-10-13 $7700.00 Window Closed / Lapsed

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