U.S. patent number 3,892,452 [Application Number 05/346,680] was granted by the patent office on 1975-07-01 for modular cabinet assembly.
This patent grant is currently assigned to Duraform Inc.. Invention is credited to David H. Humphrey, Alfonso Villa, Chauncey L. Williams.
United States Patent |
3,892,452 |
Williams , et al. |
July 1, 1975 |
Modular cabinet assembly
Abstract
The disclosure describes a modular cabinet system, composed of
hanging units and standing cabinet units. The hanging cabinets have
sloping sidewalls and a sloping top wall which enable nesting of
the cabinets during storage and shipment. The disclosure also
describes a vertical stile for connecting two base members or
platforms of a standing cabinet in which pins in the shape of the
frustum of an inverted quadrangular, regular pyramid hold the
platforms together without the need for additional fasteners. The
disclosure also describes drawers having sloping sidewalls and a
sloping rear wall which enable nesting during storage and shipment,
as well as an improved drawer guide apparatus which prevents
horizontal and vertical chatter during the operation of the
drawer.
Inventors: |
Williams; Chauncey L. (Beverly
Hills, CA), Villa; Alfonso (Santurce, PR), Humphrey;
David H. (Santurce, PR) |
Assignee: |
Duraform Inc. (San Juan,
PR)
|
Family
ID: |
23360548 |
Appl.
No.: |
05/346,680 |
Filed: |
March 28, 1973 |
Current U.S.
Class: |
312/330.1;
312/107; 312/198 |
Current CPC
Class: |
A47B
47/0091 (20130101); A47B 87/02 (20130101); A47B
88/906 (20170101) |
Current International
Class: |
A47B
87/02 (20060101); A47B 87/00 (20060101); A47B
88/00 (20060101); A47B 47/00 (20060101); A47B
047/04 () |
Field of
Search: |
;312/33D,107,111,108,257R,257SK,346,347,198,330,245 ;52/284,593
;108/64,60,111 ;220/97C,97E,97F ;206/507,509 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
Primary Examiner: McCall; James T.
Attorney, Agent or Firm: Molinare, Allegretti, Newitt &
Witcoff
Claims
What is claimed is:
1. A container unit comprising a first wall;
a second wall substantially perpendicular to the first wall;
a third wall perpendicular to the first wall and attached to the
second wall at a first predetermined obtuse angle;
a fourth wall perpendicular to the first wall and attached to the
second wall at a second predetermined obtuse angle;
a fifth wall attached to the third and fourth walls and attached to
the second wall at a third predetermined obtuse angle, so that
multiple container assemblies can be nested inside each other for
storage and shipment;
the first wall comprising a front drawer wall;
the second wall comprising a bottom drawer wall;
the third wall comprising a left-hand side drawer wall;
the fourth wall comprising a right-hand side drawer wall;
the fifth wall comprising a rear drawer wall, said walls being
integrally molded;
an upper left-hand drawer guide having an inner edge and having a
lower planar surface;
a lower left-hand drawer guide having an upper planar surface
parallel to the lower planar surface of the upper left-hand drawer
guide;
an upper right-hand drawer guide having an inner edge and having a
lower surface coplanar with the lower planar surface of the upper
left-hand drawer guide;
a lower right-hand drawer guide having an upper surface coplanar
with the upper planar surface of the lower left-hand drawer
guide;
a left-hand drawer slide connected to the left-hand drawer wall and
adapted to slide on the upper planar surface of the lower left-hand
drawer guide;
a right-hand drawer slide connected to the right-hand side drawer
wall adapted to slide on the upper planar surface of the lower
right-hand drawer guide;
means for defining an arcuate surface connected to one of said
drawer sidewalls and adapted to slide against the lower planar
surface of the upper left-hand or upper right-hand drawer guide, so
that vertical chatter is elminated as the drawer is operated;
a left-hand upstanding member connected immobile with respect to
the left-hand side drawer wall and adapted to slide along the inner
edge of the upper left-hand drawer guide; and
a right-hand upstanding member connected immobile with respect to
the right-hand side drawer wall and adapted to slide along the
inner edge of the upper right-hand drawer guide, whereby horizontal
chatter is eliminated as the drawer is operated.
2. A container unit, as claimed in claim 1, wherein the first and
second obtuse angles are equal.
3. A container unit, as claimed in claim 2, wherein the third
obtuse angle minus 90.degree. is substantially twice as large as
the first obtuse angle minus 90.degree..
4. A container unit, as claimed in claim 3, wherein the third and
fourth walls and the second wall each comprises means for defining
shelf-supporting grooves.
5. A container unit, as claimed in claim 1, wherein said walls are
integrally formed of a plastic material.
Description
BACKGROUND AND SUMMARY OF THE INVENTION
This invention relates to modular cabinets and more specifically
relates to hanging cabinets which are nestable for shipping
purposes, and standing cabinets which are demountable for storage
and shipping.
Kitchens are generally fitted with hanging cabinets which are
mounted under wall soffits and with standing cabinets which are
mounted on a floor beneath the hanging cabinets. In the past, such
cabinets frequently have been assembled on site by skilled
laborers. If this technique is used, the shipping costs are low,
because only rough lumber and other construction materials need to
be shipped. However, since the cabinets must be built on site by
skilled craftsmen, the final assembly costs are extremely high.
Kitchen cabinets also have been constructed in a factory, and then
shipped to the building site for final installation. Although this
technique reduces the cost of constructing the cabinets, the
shipping costs are relatively high due to the bulkiness of the
assembled cabinets. Moreover, final installation costs are
relatively high due to the complexity of conventional installation
techniques. For example, the cabinets generally are installed by
using conventional screws and fasteners that require carpentry
tools. In addition, and even more important, movable parts, such as
drawer guides, generally must be carefully adjusted by hand if
chatter-free operation is to result. Each of these installation
steps requires the attention of a highly-skilled and experienced
craftsman.
Accordingly, a principal object of the present invention is to
provide modular kitchen-type cabinets and drawers which are
nestable to reduce the cost of shipment.
Another object of the present invention is to provide modular
cabinets of the foregoing type in which shelf supports are provided
in the form of grooves so that nesting may be more readily
achieved.
Yet another object of the present invention is to provide
kitchen-type cabinets parts which can be held together by pins
which require no tools for installation and which require a minimum
of screws or other fasteners.
Still another object of the present invention is to provide
improved drawer guide apparatus which prevents both horizontal and
vertical chatter during operation of the drawer.
DESCRIPTION OF THE DRAWINGS
These and other objects, advantages and features of the present
invention will hereafter appear in connection with the accompanying
drawings which disclose a preferred embodiment of the invention,
and wherein:
FIG. 1 is an isometric view of a kitchen in which cabinets made in
accordance with the present invention have been installed;
FIG. 2 is a front elevational view of a preferred form of hanging
cabinet made in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along line 3--3 in FIG.
2;
FIG. 4 is a top plan, broken, partially cross-sectional view of the
cabinet shown in FIG. 2;
FIG. 5 illustrates the manner in which cabinets of the type shown
in FIGS. 2-4 can be nested for shipment;
FIG. 6 is an isometric, fragmentary view of a preferred form of
standing cabinet and drawer guide apparatus made in accordance with
the present invention and supported by base members;
FIG. 7 is a front elevational view of a preferred form of vertical
stile made in accordance with the present invention in which base
members supporting the stile are partially broken away to
illustrate the manner in which pins attached to the stile are
fitted into the base members;
FIG. 8 is a side elevational view of the apparatus shown in FIG.
7;
FIG. 9 is a cross-sectional view taken along line 9--9 of FIG.
8;
FIG. 10 is an isometric view of the apparatus shown in FIG. 9;
FIG. 11 is a front elevational view of a preferred form of cabinet
end panel made in accordance with the present invention in which a
base member supporting the end panel is partially broken away to
show the manner in which pins attached to the end panel are fitted
into the base member;
FIG. 12 is a side elevational view of the apparatus shown in FIG.
11;
FIG. 13 is a fragmentary, top plan view of a portion of the side
panel shown in FIG. 12 taken along the 13--13 in FIG. 12;
FIG. 14 is a top plan view of a preferred form of drawer made in
accordance with the present invention;
FIG. 15 is a side elevational view of the drawer shown in FIG. 14;
and
FIG. 16 is an isometric view showing the drawer of FIGS. 14 and 15
mounted on the drawer guide apparatus shown in FIG. 12, together
with a similar complementary drawer guide apparatus.
DESCRIPTION OF THE PREFERRED EMBODIMENT
FIG. 1 illustrates a preferred form of modular cabinet assembly 20
made in accordance with the present invention comprising hanging
cabinets 22 and standing cabinets 24.
An exemplary hanging cabinet 30 made in accordance with the present
invention is shown in more detail in FIGS. 2-4. Cabinet 30
comprises a bottom wall 32 having a front edge 34 and a rear edge
36. A brace flange 37 is attached to the rear of wall 32 and an
L-shaped flange 40 is attached to the front of wall 32.
Cabinet 30 also comprises a rear wall 44 having an upper edge 46
and a lower edge 48. The wall is fitted with shelf supporting
grooves 50-54 and with corresponding ribs 58-62 that reinforce the
grooves. An upper brace flange 64 assists in mounting the cabinet
on a wooden cleat attached to a vertical wall surface.
Cabinet 30 also includes a left-hand sidewall 65 that is fitted
with stops 66a and 66b which prevent nesting cabinets from wedging
too tightly. The front edge of wall 65 terminates in an L-shaped
flange 67 in which door hinge and latch mounting holes 68 and 69
are formed. Wall 65 is fabricated with shelf supporting grooves
70-74 that form continuations of corresponding grooves 50-54.
Left-hand sidewall 65 is perpendicular to bottom wall 32 and forms
an angle A of 97.degree. with rear wall 44.
Cabinet 30 also includes a right-hand sidewall 75 that is fitted
with stops 76a and 76b. The front edge of wall 75 terminates in an
L-shaped flange 77 in which door hinge and latch mounting holes 78
and 79 are fabricated. Right-hand sidewall 75 is fabricated with
shelf supporting grooves 80-84 that form extensions of
corresponding grooves 50-54. Sidewall 75 is perpendicular to bottom
wall 32 and makes an angle B of 97.degree. with rear wall 44.
Cabinet 30 also includes a top wall 86 having a front edge which
terminates in an L-shaped flange 88. Top wall 86 makes an angle C
of 104.degree. with rear wall 44.
Angles A, B and C are important features since the applicants have
found that these angles enable the nesting of the cabinet without
interferring with its ability to hold kitchen items. Since bottom
wall 32 remains flat and horizontal when the cabinet is hung on a
wall, it can be used as a storage shelf. The applicants have
discovered that nesting can be best achieved and bottom wall 32 can
remain perpendicular to rear wall 44 if angle C minus 90.degree. is
approximately twice as large as angle A minus 90.degree., and if
angles A and B are about equal. When cabinet 30 is manufactured in
accordance with FIGS. 2-4, it can be nested with additional
cabinets 90, 91 and 92 as shown in FIG. 5. As a result, the cost of
storage and shipping the cabinets is substantially reduced.
It should be noted that the grooves in the rear wall and sidewalls
are indented from the inner surfaces of the walls to to provide
shelf-supporting surfaces that do not interfere with the nesting
process. By proportioning and arranging a cabinet as shown in FIGS.
2-4, the cabinet can be integrally formed from relatively
inexpensive plastic material, thereby reducing the manufacturing
cost, as well as the shipping cost, of the overall cabinet
assembly.
FIG. 6 illustrates an exemplary standing cabinet 100 of the type
collectively shown by the numeral 24 in FIG. 1. Cabinet 100 is
mounted on a kick base 102 that supports platforms 104 and 106
having front edges 105 and 107, respectively. The upper surfaces of
the platforms lie in a common plane P. Cabinet 100 includes an end
panel 108, a vertical stile 109 and a horizontal stile 110 that
connects panel 108 with vertical stile 109. Cabinet 100 also
includes a symmetrical drawer guide 111 that is connected to
vertical stile 109 and a counter top 112. Since it is symmetrical,
the same drawer guide part 111 supports a drawer 113 that is
mounted above a door 114. A shelf 115 is supported by a shelf
support 116 that plugs into platforms 104 and 106. Components of
cabinet 100 shown generally in FIG. 6 are shown in more detail in
FIGS. 7--13.
Referring to FIGS. 7 and 8, vertical stile 109 comprises a top
flange 117 and a bottom flange 118. The stile supports roller
mounts 119, 120, hinge and latch mounting holes 124-129, and
horizontal stile locks 132, 134. Referring to FIGS. 7-10, identical
pins 136 and 138 are connected to bottom flange 118 adjacent to the
front edge of platforms 104 aand 106. Pin 138 comprises sidewalls
140-143, a base 144, and a bottom wall 145. The walls are
fabricated in the shape of a frustum of an inverted, regular,
quadrangular pyramide having the base 144 attached to the lower
surface of flange 118. The base of the pyramid comprises edges 147
- 150 that form a rectangle. As shown in FIGS. 7 and 8, platforms
104 and 106 are fabricated with cavities having a shape
complementary to pins 136 and 138 and having center points 152 and
153. The cavities are adapted to receive the pins in a
tight-fitting arrangement. The applicants have found that this
arrangement of fitting vertical stile 109 to platforms 104 and 106
draws the edges of the platforms toward one another, rigidly holds
the parts together, and obviates the need of additional fastenings.
The same type of pins connect shelf support 116 to platforms 104
and 106 (FIG. 6). Moreover, the component parts can be assembled
without the use of any tools.
Referring to FIGS. 11 and 12, an end panel 160, which is the same
as end panel 108, is shown in more detail. End panels 108 and 160
are symmetrical about a vertical axis which obviates the necessity
of fabricating mirror image parts End panel 160 includes a top
flange 162, and a bottom end 164 that is fitted with pins 166 and
168 that are identical to pin 138. The pins fit in
identically-shaped cavities in base member 104. Panel 160 is fitted
with hinge or latch mounting holes 170-172. Flange 162 is supported
by an upper mounting strip 174 and an angle brace 173.
The left-hand part of the symmetrical drawer guide 180, similar to
corresponding part 111, is shown in more detail in FIGS. 11-13. The
design comprises a drawer supporting surface that is part of end
panel 160 in the position shown. The left-hand part of upper drawer
guide 184 having an inner edge 186 and a lower surface 188 is
fitted with a stop member 189. The left-hand part of lower drawer
guide 190 has an upper surface 192 parallel to surface 188, as well
as a sloping guide surface 194 which terminates at a front end
point 196.
The right-hand part of the symmetrical drawer guide assembly 199 is
shown in part in FIG. 16. Assembly 199 has a right-hand upper
drawer guide 200, an inner edge 202 and a lower surface 204 that is
coplanar with surface 188. A right-hand lower drawer guide 206 has
an upper surface 208 that is coplanar with surface 192. In
addition, guide 206 terminates in a sloping guide surface (not
shown) parallel to surface 194.
FIGS. 14-16 illustrate a preferred form of drawer 118 made in
accordance with the present invention. The drawer comprises a
bottom wall 220 and a front wall 224 connected perpendicular to the
bottom wall. A left-hand sidewall 226 is fitted with a slide flange
228 having a lower surface 230 and an upper surface 232. Sidewall
226 makes an angle D of 100.degree. with bottom wall 220. The
drawer also includes a right-hand sidewall 236 that is fitted with
a slide flange 238 having a lower surface 240 and an upper surface
242 Sidewall 236 makes an angle E of 100.degree. with bottom wall
220, Sidewalls 226 and 236, as well as bottom wall 220, are
connected by a rear wall 246 that makes an angle F of 110.degree.
with bottom wall 220.
Left-hand sidewall 226 is fabricated with an arch member 250 having
an arcuate slide surface 252 that is adapted to slide along surface
188 of drawer guide 184. Right-hand sidewall 236 is fabricated with
an arch member 254 having an arcuate slide surface 256 that is
adapted to slide along surface 204 of drawer guide 200. As shown in
FIGS. 12 and 16, slide surfaces 252 and 256 prevent vertical
chatter of the drawer as it is moved along the drawer guides.
A left-hand upstanding member 260 is connected to left-hand drawer
sidewall 226 adjacent rear wall 246. Member 260 has an outer edge
262 that slides in contact with inner edge 186 of left-hand upper
drawer guide 184. An opposed right-hand upstanding member 266 is
connected to right-hand sidewall 236 of drawer 118 in the position
shown adjacent rear wall 246. Member 266 has an outer edge 268 that
slides in contact with inner edge 202 of right-hand upper drawer
guide 200. As shown in FIG. 16, members 260 and 266 prevent
horizontal chatter of the drawer as it is moved along the drawer
guides.
While there has been described a presently preferred form of the
invention, it will be understood by those skilled in the art that
the invention is not limited thereto since it may be otherwise
embodied within the scope of the following claims.
* * * * *