Boots – shoes – and leggings
Patent
1995-02-21
1998-09-22
Teska, Kevin J.
Boots, shoes, and leggings
318467, 318266, 318286, 297340, 2972841, 297337, 296 651, G06F 770, A47C 3025
Patent
active
058123997
DESCRIPTION:
BRIEF SUMMARY
The invention relates to devices for adjusting vehicle seats, in particular the front seats of motor vehicles, the adjustments under consideration being at least two in number and preferably concerning the longitudinal position of the seat and the height of the seat proper; other adjustments advantageously also being taken into consideration such as adjustments concerning the inclination of the seat back, the inclination of the seat proper, the length of the seat proper, the height of the head rest, the inclination of the head rest, etc.
The invention also relates to vehicle seats fitted with such devices.
More particularly, amongst such devices and seats, the invention relates to those which comprise mechanisms capable of performing adjustments that make use of predetermined mutual displacements of two parts (which displacements may be simple angular or linear displacements or may be displacements that are more complex), reversible electric motors being associated with said mechanisms, together with control means for the motors that are easily actuated by the user sitting on the seat.
In known embodiments of devices of the kind in question, the motors are subject to mutually independent on/off control.
As a result, the adjustments of the various movements of the seat or portions of the seat (seat advance or reverse, inclination of its back, height of its seat proper, . . . ) are all subject to relationships that are imposed by the particular mechanical solutions used, and they can be performed only in succession and independently of one another.
When imposed by conventional mechanical solutions, such relationships are simple (translations, rotations) in order to be economically acceptable.
As a result they do not enable basic movements to be obtained that are ergonomically satisfactory, and combinations of such relationships that have been proposed in the past are ill-adapted to human biomechanics, so the user of the seat needs to perform multiple readjustments in order to correct the perverse effects of such combinations.
For example, if the longitudinal position of the seat is initially adjusted so that the heel of the right foot of the person sitting on the seat is in the natural position for making it easy for the right foot to control the vehicle accelerator pedal (i.e. associated with an ideal degree of flexing of the corresponding leg), then any subsequent adjustment of the height of the seat proper can give rise to said leg being flexed undesirably to a greater or a lesser extent.
Another example relates to seats in which the height of the seat proper is adjustable by means of two mechanisms, one adjusting the height of the front portion thereof and the other the height of the rear portion: altering just the height of such a seat requires identical adjustments to be applied to both mechanisms, and if the amplitudes of the vertical adjustments performed by each of the two mechanisms are not accurately identical, then the preadjusted inclination of the seat is altered, and indeed it may happen that the preadjusted inclination of the seat back is also altered.
Under such circumstances, a certain amount of learning is required to achieve control over the various adjustments made available, as is a certain amount of dexterity.
Experience shows that it is difficult to require a user to make the intellectual effort necessary to understand fully the operation of and the possibilities offered by the multiple adjustments of a seat so that the user learns how to make proper use thereof: in practice it is observed that the user frequently gives up making corrections to early adjustments after they have been disturbed by subsequent adjustments, and that is naturally bad for the comfort of the user.
Proposals have already been made to remedy this drawback by combining the adjustments of two different parameters, such as the parameters in the examples given above: by controlling the resulting composite mechanism by means of a single motor; or else respectively adjust the two parameters in question by simultaneou
REFERENCES:
patent: 4204255 (1980-05-01), Cremer
patent: 4386803 (1983-06-01), Gilderbloom
patent: 4401343 (1983-08-01), Schmidt
patent: 4434468 (1984-02-01), Caddick et al.
patent: 4503504 (1985-03-01), Suzumura et al.
patent: 4773703 (1988-09-01), Krugener et al.
patent: 4787593 (1988-11-01), Pipon et al.
patent: 5019765 (1991-05-01), Ogasawara
patent: 5054574 (1991-10-01), Scroggie et al.
patent: 5126640 (1992-06-01), Leroy
patent: 5135282 (1992-08-01), Pappers
patent: 5155685 (1992-10-01), Kishi et al.
patent: 5164645 (1992-11-01), Furuse et al.
patent: 5169112 (1992-12-01), Boyles et al.
patent: 5171062 (1992-12-01), Courtois
patent: 5278363 (1994-01-01), Krieg et al.
Judic Jean-Marc
Leroy Yannick
Bertrand Faure Automobile "BFA
Louis-Jacques Jacques
Teska Kevin J.
LandOfFree
Vehicle seat adjustment device with programmed relationships does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Vehicle seat adjustment device with programmed relationships, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vehicle seat adjustment device with programmed relationships will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1629203