Arrangement in a chair, especially for regulating the level of t

Details Arrangement in a chair, especially for regulating the level of t Arrangement in a chair, especially for regulating the level of t

1997-09-30

2000-01-25

Barfield, Anthony D.

Chairs and seats

Movable bottom

Movable independently of back

297331, 2974462, 2974472, 108116, A47C 100, A47C 320

Patent

active

060170891

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The present invention relates to an arrangement in a chair, especially for regulating the level of the seat, etc., comprising a rack or carrier frame extending upwardly from a base, on which carrier frame for example a seat member is removably attached, by detachable holding means for in detached position to allow sliding along said frame for affixing in a new level position.


PRIOR ART

From U.S. Pat. No. 2,712,348 (J. E. Cooper) there is known a dental chair, comprising a seat member carried by a vertical rod which in turn can be moved in a vertical shaft. The rod is provided with a plurality of ring-shaped recesses communicating with a T-shaped guiding pin for adjusting the seat at various levels.
From FR 1 086 136 (Legrand) there is known a corresponding dental chair, wherein the level regulation of the seat takes place in that a carrier rod provided with a plurality of holes can be guided up and down in a vertical pipe, the level position of the seat being determined by passing a bolt through an appropriate hole, at the same time as the bolt will abut against recesses uppermost in the vertical pipe.


OBJECT OF THE INVENTION

An object of the present invention is to provide an arrangement in a chair, of the type as mentioned in the preamble, which in a simpler and safer manner will allow alteration of the seat level, etc.
Another object of the present invention is to provide an arrangement in a chair, which can be designed by relatively simple basic elements, but which nevertheless will render large freedom of choice as regards embodiment and rational use.
Still another object of the present invention is to provide arrangements in chairs which can be manufactured from various types of material, but which nevertheless render a large degree of freedom of the choice of possible design shapes, it being chairs for home use or office use, conference chairs, working chairs, etc.
Yet another object of the present invention is to provide arrangements in chairs, wherein both seat, back support and neck support can be chosen optionally, at the same time as the same can be regulated within wide ranges.


SUMMARY OF THE INVENTION

Such objects can be realized in an arrangement as stated in the preamble, which according to the invention is characterized by the features appearing from the appending patent claims.
Further features and advantages, as well as specific embodiments of the invention, will appear from the following description taken in connection with the drawings, as well as from the appending patent claims.


BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of a first embodiment of an arrangement in a chair according to the invention, wherein in only the basic rack and a seat hoop are illustrated.
FIG. 2 is a schematic view similar to FIG. 1, wherein the embodiment here is illustrated with an upholstered seat and attached back support and neck support.
FIG. 3 illustrates in side view and on a larger scale details of a first embodiment of holding means according to the present invention, in a first locking position.
FIG. 4 is a view similar to FIG. 3 and illustrates the holding means in a second released position.
FIGS. 5 and 6 are schematic perspective views of a second and third embodiment, respectively, of an arrangement in a chair according to the invention, provided with a second embodiment of holding means according to the invention.
FIG. 7 illustrates in side view and on a larger scale details of a second embodiment of holding means according to the present invention, in a first locking position.
FIG. 8 is a side view similar to FIG. 7, and illustrates the holding means in a second released position.
FIG. 9 is a perspective view on a larger scale illustrating details in a third embodiment of the holding means according to the present invention.
FIG. 10 is a perspective view of still another variant of an arrangement in a chair according to the invention, including a specific form of longitudinal means.
FIG. 11 is a perspective view of yet another variant of a

REFERENCES:
patent: 2637371 (1953-05-01), Boutin
patent: 4148523 (1979-04-01), Brand et al.
patent: 4793654 (1988-12-01), Takafuji
patent: 5167436 (1992-12-01), Wu
patent: 5511855 (1996-04-01), Miles

Affiliated with

Also associated with

Rating

Arrangement in a chair, especially for regulating the level of t does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Arrangement in a chair, especially for regulating the level of t, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Arrangement in a chair, especially for regulating the level of t will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2311490