U.S. patent number 3,711,152 [Application Number 05/170,738] was granted by the patent office on 1973-01-16 for health chair.
This patent grant is currently assigned to Casey Sirpak, Incorporated. Invention is credited to Yarl Pretorius, Casey R. Sirpak.
United States Patent |
3,711,152 |
Sirpak , et al. |
January 16, 1973 |
HEALTH CHAIR
Abstract
A chair having a contoured portion defining a back rest and a
seat. The seat has a central recess extending inwardly from its
forward edge of a size and shape to accommodate the upper legs of a
person. The contoured portion of the chair is pivotally suspended
upon a support member which in turn is supported on a base. The
contoured portion is adjustable to different heights with respect
to the base. The contoured portion preferably includes a frame and
cushions supported by the frame. The chair may be provided with arm
rests and lower leg rests. Preferably, the contoured portion is
pivotally suspended at its arm rests upon the support member. The
contoured portion and the support member are adapted to swivel with
respect to the base and means are provided to selectively prevent
such swiveling. The chair is particularly advantageous as a marital
chair and for persons having stiff or ailing backs.
Inventors: |
Sirpak; Casey R. (Cleveland,
OH), Pretorius; Yarl (Cleveland, OH) |
Assignee: |
Casey Sirpak, Incorporated
(Cleveland, OH)
|
Family
ID: |
22621055 |
Appl.
No.: |
05/170,738 |
Filed: |
August 11, 1971 |
Current U.S.
Class: |
297/282; D6/367;
297/326; 297/423.3 |
Current CPC
Class: |
A47C
9/00 (20130101); A47C 15/004 (20130101); A47C
7/503 (20130101); A47C 1/0342 (20130101) |
Current International
Class: |
A47C
7/50 (20060101); A47C 1/00 (20060101); A47C
7/00 (20060101); A47C 9/00 (20060101); A47c
003/026 () |
Field of
Search: |
;297/349,345,282,281,328,329,327,326,312,429,423,271,458
;5/327,338,69 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Zugel; Francis K.
Claims
What is claimed is:
1. In an easy chair or the like, a contoured portion defining a
back rest and a seat extending forwardly from the back rest a
sufficient distance to support the posterior and upper legs of a
person occupying the chair, said seat having a central recess
extending inwardly from its forward edge, said recess being of
sufficient depth and of sufficient width through its entire depth
to accommodate the upper legs of a person facing toward or away
from said chair, said seat including upper leg supporting portions
on opposite sides of said recess, arm rests on said contoured
portion, a support base, means mounted on said support base and
pivotally connected to said arm rests for supporting said contoured
portion for swinging movement with respect to said support means in
substantially a vertical plane, and means for adjusting the height
of said contoured portion.
2. A chair as claimed in claim 1 further comprising lower leg rests
extending forwardly and downwardly from said upper leg supporting
portions.
3. A chair as claimed in claim 2 wherein said lower leg rests are
pivotally connected to said contoured portion adjacent said upper
leg supporting portions.
4. A chair as claimed in claim 1 wherein said contoured portion
includes a tubular frame defining said back rest and said seat
including said recess, and a cushion supported by said frame and
having a corresponding recess overlying the recess defined by said
frame.
5. A chair as claimed in claim 1 wherein said support means is
pivotally connected to said support base for rotation with respect
thereto in substantially a horizontal plane.
6. A chair as claimed in claim 5 including means for selectively
preventing rotation of said support means with respect to said
support base.
7. A chair as claimed in claim 1 wherein said support means is a
generally U-shaped member having a base and two legs, said base
portion being mounted on said support base and each of said legs
pivotally supporting an arm rest on said contoured portion.
8. A chair as claimed in claim 1 wherein said contoured portion
includes a tubular frame defining said back rest, seat, arm rests,
and lower leg rests, the portions of said frame defining said lower
leg rests being pivotally connected to said seat defining portion
on either side of said recess, a cushion supported by the back rest
defining portions and seat defining portions of said frame and
having a corresponding recess overlying the recess defined by said
frame, cushions on each of said arm rests, and cushions on each of
said lower leg rests.
Description
BACKGROUND OF THE INVENTION
This invention relates to chairs and more particularly to a health
chair particularly suitable for use by older persons, and persons
suffering from injuries to or infirmities of the back or legs.
Chairs have been proposed for invalids or those with serious
injuries or infirmities who require special support of one kind or
another. Such chairs tend to be special purpose chairs and are
useful and comfortable only to persons having a specific serious
injury or infirmity which the chair is adapted to support or
alleviate, or at least not to aggravate, and are not suitable or
desirable for a person with a minor back or leg ailment.
From time to time almost everyone, and particularly an older
person, encounters a back or leg ailment or stiffness that is
relatively minor but which renders it painful to bend at the waist,
as in the process of sitting down or standing up. Other persons,
and again particularly older persons, suffer from chronic stiffness
of the back and leg joints which causes a comfortable chair to be a
virtual necessity. Special purpose chairs are, however, usually not
suited for such persons with relatively minor ailments.
Many persons with relatively minor ailments find comfort in contour
chairs which conform more or less to the curvature of the body and
allow the occupant to assume a reclining or semi-reclining
position. While such chairs are generally comfortable once the
proper position has been assumed therein, the process of getting
into and out of such a chair for a person with a stiff back or
similar infirmity may be quite uncomfortable.
Another difficulty encountered by those having minor back ailments
or stiffness, again, particularly older persons, is in the
performance of the marital act.
SUMMARY OF THE INVENTION
A general object of this invention is to provide a chair that is
comfortable to all and that is particularly adapted for convenient
use by persons having minor back or leg ailments.
Another object is to provide a chair that permits a reclining or
semi-reclining position to be assumed therein and which allows
seating and reclining to be accomplished with a minimum of bending
and turning.
Still another object is the provision of such a chair that permits
sitting with one or both feet on the floor and in an upright or
reclining position.
Another object is the provision of such a chair that is
particularly suited for use as a marital chair.
Still another object is the provision of such a chair that is
comfortable in use, simple in construction and economical to
manufacture and to purchase.
These and other objects of the invention are provided in a chair
having a contoured portion defining a back rest and a seat, the
seat having a central recess extending inwardly from its forward
edge of a size and shape to accommodate the upper legs of a person.
A support base is provided for supporting the contoured portion.
The recess allows a person suffering with an ailing back to seat
himself directly on the seat portion with a minimum of bending and
then to assume whatever position is desired. The recess also allows
the chair to be used as a marital chair, permitting minimum
exertion on the part of an elderly or ailing husband.
Preferably, support means are provided between the support base and
the contoured portion of the chair for pivotally supporting the
contoured portion for rocking movement in a vertical plane. Means
are provided to allow adjustment of the height of the contoured
portion. The chair is preferably adopted to swivel and means are
provided for selectively preventing swiveling. These features
facilitate the act of seating in the chair by a person having an
ailing back and also facilitate use of the chair as a marital
chair.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view of a chair embodying the present
invention.
FIG. 2 is a perspective view of the chair with the cushions removed
to show the contour-defining frame, the frame supporting members
and the support base.
FIG. 3 is a vertical sectional view of the chair along the line
3--3 of FIG. 4.
FIG. 4 is a front view of the chair.
FIG. 5 is a front elevational view of the support base and a
portion of the frame support member showing the locking device for
preventing swiveling of the contoured portion of the chair.
FIG. 6 is a detail sectional view along the line 6--6 of FIG. 2
showing the means for adjusting the height of the chair.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring now to the drawings, a preferred form of chair embodying
this invention has a contoured portion including a frame 10 and
cushions supported thereby, a frame supporting member generally
indicated at 12 and a support base 14. Frame 10 is best seen in
FIG. 2 and is preferably formed of hollow steel stock of
rectangular cross-section but many other materials can, of course,
be used. Frame 10 includes a single member formed into an upper
cross bar 16 and two side sections 18 and 18a. Short cross members
20 and 21a are joined by welding or in any other suitable way to
the inside surfaces of side sections 18 and 18a and are welded or
otherwise suitably joined at their other ends to a U-shaped member
22. The upper cross bar 16 of frame 10 and the side sections 18 and
18a outline a back rest 26 of the chair and the side sections along
with short cross members 20 and 21a and U-shaped member 22 define a
seat 27 with a recess 28 therein extending rearwardly from its
forward edge. The side sections 18 and 18a also define arm rests 29
and 29a.
A lower leg rest 30 is formed by members 33 and 34 which are welded
together as shown at 35. Lower leg rest 30 is pivotally connected
by means of bolts 37 or other suitable means to blocks 41 and 42
that are welded or otherwise suitably joined to side section 18 and
U-shaped member 22, respectively. Another lower leg rest 30a is
formed and connected in the same way on the opposite side of frame
10 and corresponding parts thereof are designated by the same
reference numerals followed by the letter a, such as 33a, 34a.
The supporting member 12 for the frame 10 includes a pair of
U-shaped metal bars 44 and 45 of the same type as the frame 10, the
bars having base portions 47 and 48, respectively and upwardly
extending leg portions 50 and 51a for bar 44 and 51 and 51a for bar
45. Each pair of leg portions such as 50a and 51a is covered by a
sleeve, 57 for leg portions 50 and 51 and 57a for leg portions 50a
and 51a, of rectangular cross-section. As shown in FIG. 6, the leg
portions are received within the respective sleeves and are
provided with a series of vertically spaced transverse holes 58. A
single hole 59, 59a in each sleeve 57, 57a is adapted to be aligned
with one of the holes 58 to allow a bolt or pin 60, 60a to be
inserted therein and support the frame at a particular height.
Preferably, there are 10 such holes 58 placed so as to allow the
recess 28 to be positioned at heights from 16 to 34 inches above
the floor. Each sleeve, 57, 57a is pivotally connected to a block
61, 61a respectively by bolts 63, 63a. The blocks 61 and 61a are
joined to side sections 18, 18a, preferably by welding. Frame 10 is
thus pivotally supported by member 12 for rocking or pivotal
movement in a vertical plane parallel to the side sections 18, 18a
and is adjustable in height above the floor.
The base portions 47 and 48 of the bars 44 and 45 of support member
12 are joined at substantially their centers to a plate 65 (FIG. 3)
which is part of a swivel assembly including upper plate 65, lower
plate 66 and a bearing assembly 67 therebetween. The swivel
assembly including plates 65 and 66 and bearing assembly 67 is sold
as part No. 1321 by Middletown Mfg. Co. Division of Lear Siegler
Inc. Lower plate 66 is suitably connected as by welding to leg
members 70 which, together with the swivel assembly of plates 65
and 66 and bearing assembly 67, constitute a support base for the
chair.
It may become desirable to prevent swiveling of the chair at
inopportune times, such as in the act of seating and during the
marital act. To prevent swiveling a lock device 71 is provided as
best seen in FIG. 5. Lock device 71 is mounted beneath frame
support member 12 by means of bolts extending through a mounting
plate 72 and into base portions 47 and 48 of member 12. Device 71
has an operating handle 73, a pivot mechanism generally indicated
at 74 and an extensible and retractable neck 75 provided with a
friction member 76.
With handle 73 in the full line position of FIGS. 2 and 5 friction
member 76 is extended into tight frictional contact with swivel
plate 66 and prevents the frame and frame supporting member from
swiveling with respect to the support base. With handle 73 in the
dotted line position of FIG. 5 friction member 76 is retracted out
of contact with the plate 66 so that the chair is free to swivel.
The handle 73 is conveniently positioned to be operated by a person
in or out of the chair. The lock device 71 is preferably a Model
620 DE-STA-CO clamp manufactured by Detroit Stamping Co. of
Detroit, Michigan.
The chair is completed by providing cushions supported by frame 10
as shown in FIGS. 1, 3, and 4. Cushions 78 and 78a are provided for
the lower leg rest 30 and 30a, respectively and are connected
thereto by means of flaps 79 and 79a which encircle the frame
members of the leg rest such as 33, 34 and 33a, 34a and are then
snapped or otherwise fastened to the back of the cushion to hold it
in place.
Arm rest cushions 80 and 80a are provided for the arm rests 29 and
29a, respectively, of frame 10 and are secured thereto by cord for
easy removal if desired.
A back rest and seat cushion 82 is placed on frame 10 and secured
thereto by a flap 84 on the underside thereof which encircles the
base of the U-shaped member 22 on frame 10 and is snapped to the
underside of the cushion or otherwise secured to hold it in place.
The cushion 82 has a back rest portion 86 and a seat portion 87
which is provided with a recess corresponding substantially in size
and shape to the recess 28 defined by U-shaped member 22 in frame
10. Upper plate 65 on the support may also be provided with a
leather or cloth covering to improve its appearance.
It will be apparent that the chair completed as described above and
shown in FIGS. 1 and 4 provides restful and relaxing support to any
occupant and is not confined to use by persons suffering from back
ailments. The recess 28 does not interfere with normal use of the
chair for ordinary relaxation, the portions on either side of the
recess providing support for the upper portions of the occupant's
legs. The leg rests 30 and 30a, which can be pivoted to any desired
position, provide support for the lower parts of the legs. The
pivotal suspension of the chair frame about the support member 12
allows the chair occupant to vary his position from upright to
reclining merely by shifting his weight. The flexibility or "give"
of the cushions allows an occupant to position himself higher
toward the back rest portion without sliding to a lower position as
would probably happen in a stiff molded contour chair.
In addition, unlike prior contour and reclining chairs of which we
are aware, a person suffering from an ailment or stiffness of the
back or legs which renders it difficult or painful to bend or
change position can gain entrance to the chair conveniently with a
minimum of bending. This is done merely by the person positioning
himself within the recess 28 and pivoting the chair about the
support member 12 to a convenient position so that he can seat
himself down directly in a straight line with a minimum amount of
bending or stretching. One or both of the occupant's feet can
remain on the floor if desired or one or both legs may be
positioned on the upper leg supporting areas on either side of the
recess 28. The height adjustment can of course facilitate entry
into and exit from the chair since when the chair is properly
height adjusted bending will be minimized. Use of the locking
device to prevent swiveling during the act of seating or arising
minimizes motion and so also assists in getting into and out of the
chair.
The chair is particularly useful as a marital chair for older
husbands or those having back or leg ailments or stiffness. When
used for this purpose the wife may recline in the chair and the
husband may stand within the recess 28. In this use the height
adjustment and the swivel lock are particularly important and
advantageous. The contoured portion of the chair can be positioned
at the ideal height for the husband and swiveling must, of course,
be prevented at this time. When used in this way the chair allows
older husbands not to overexert themselves and removes the
necessity for painful bending by husbands suffering from back
ailments or the like.
While a preferred form of the invention has been shown and
described, it will be apparent that other forms are within the
spirit and scope of the invention and that all the features
described herein are not absolutely necessary for providing a
useful and advantageous health chair. For example, it will be
apparent that the chair could be made without arm rests or lower
leg rests and need not be capable of swiveling. In addition, the
pivotal suspension of the chair about the support member, while
preferable and highly advantageous, is not absolutely necessary for
its basic use. The frame could be supported directly on the support
base 14 and the chair would still provide many of the advantages
described above. It will also be apparent to those skilled in the
art that the chair need not be made in a frame and cushion
structure but could be made in a one piece molded form supported on
a support base and having the recess 28 in the seat portion.
Other modifications and improvements will also become apparent to
those skilled in the art who come to understand the essential
principles and accomplishments of this invention. Accordingly, this
invention is not to be limited to the form herein specifically
disclosed nor in any other way inconsistent with the progress in
the art promoted by this invention.
* * * * *