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Патент USA US3034159

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May 15, 1962
v<5. A. LYON
Filed Sept. 28, 1959
Fl'q_ /
George ?/é er/Zyan
w’, ¢¢¢¢
United States Patent 0 ” c1C6
Patented May 15, 1952
George Albert Lyon, Detroit, Mich, assignor to Lyon
On its outer terminus, the rigid sink rim ?ange 9 is pro
vided with reinforcing and counter top-engaging means
comprising an upwardly and outwardly turned terminal
?ange it}, the upper and outer portion of which is in this
instance of arched rib-like form providing an outer margin
Incorporated, Detroit, Mich” a corporation of Delaware
Filed Sept. 28, 1959, Ser. No. 842,904
4 Claims. (Cl. 4—187)
11 for seating on the counter top 7 while an inner up
The present invention relates to improvements in sink
wardly and inwardly angled ?ange portion 12 joins the
rim ?ange 9 and provides therewith an inwardly opening
structures, and more particularly concerns sinks of the
groove 13 de?ned by an inner downwardly and inwardly
rigid rim ?ange type and improved means for attaching 10 facing generally overhanging shoulder 14 on the rim
?ange portion 12. Through this arrangement, the rim
the same to a counter top.
?ange 9 is disposed at a substantially lower elevation than
In heavy pressed steel enameled sinks of the lavatory,
the upper surface of the counter top 7 and the rim ?ange
bar sink, kitchen sink and the like, type it is desirable to
have a reinforcing edge structure on the lateral rim ?ange
to avoid warpage such as may occur during heating to 15
which the sink is subjected in the enameling process.
Such reinforcement may take the form of a rib. In any
event, a problem is encountered in attaching the sink to
a counter top through the rim ?ange.
An important object of the present invention is to proe
vide an improved rigid rim ?ange sink structure wherein
the rim ?ange is provided with combined reinforcement
10 serves as an over?ow preventing curb.
Although the counter top engaging margin 11 of the
‘sink rim ?ange may be set into a groove of a depth equal
to the thickness of the margin so as to be ?ush with the
upper surface of the counter top is shown in FIGURE 4,
a more convenient and decorative, and possibly more sani~
tary arrangement comprises a bridging, sealing molding
strip member 15 concealingly overlying the terminal
?ange 10 while the seating margin 11 rests on top of the
and counter top engaging means.
Another object of the invention is to provide an im
normal plane of the counter top upper surface as shown.
tending laterally outwardly and affording integrally in one
angled resilient retaining ?ngers 19 which engage under
To this end, the molding strip member 15 is of arched
proved sink structure wherein a rigid rim ?ange sink has 25 form and has an outer downturned edge 17 which is lo
cated outwardly beyond the edge of the seating margin 11
a counter top engaging terminal structure and novel joint
covering and sealing means.
and engages sealingly with the upper surface of the coun
ter top 7 . From the seating and sealing edge 17, the mold
A further object of the invention is to provide improved
ing strip 15 arches over the rim ?ange 10 and extends
means for ‘securing a sink and counter top together in
30 inwardly and downwardly to an inner diameter and lower
elevation wherein an underturned inner marginal rein
Still another object of the invention is to provide an
forcing and ?nishing ?ange 18 seats upon the rim ?ange
improved sink structure including a sink member having
9 and has a series of short outwardly and upwardly
a bowl provided at its upper end with a rigid ?ange ex
piece therewith with a turned up portion extending up 35 retaining endwise thrusting biting relation against the
overhanging shoulder 14 for thereby retaining the strip 15
wardly and inwardly in overlying relation to a portion of
the rim ?ange and then projecting outwardly toward and
in assembly with the sink rim ?ange. In fact, by virtue of
the downwardly and outwardly sloping, cam surface pro
lying on a counter top and adapted either to have the edge
vided by the shoulder 14-, the ?ngers 19 tend to cam
of the counter top overlying portion set into a groove
in the counter top to be ?ush with the upper surface of 4.0 downwardly thereon and thus thrust the underturned seat
ing ?ange 18 ?rmly against the rim ?ange 9. ‘ The con
the counter top or to be provided with a bridging, sealing
struction and relationship are such that the outer counter
molding strip member arched to overlie and extend be
top engaging edge 17 normally extends slightly below the
position shown in FIGURE 2, such as wherein the body
FIGURE 1 is a top plan view of a sink structure em 45 of the ‘molding strip member 15 would lie on top of the
rim ?ange 10, so that in the assembly with the counter top,
bodying features of the invention;
FIGURE 2 is an enlarged fragmentary-sectional eleva
as shown, the edge 17 is pressed ?rmly against the counter
tional detail view taken substantially on the line 11-11 > top by virtue of the tensioned slightly upward de?ection
of the body of the molding strip to accommodate such
of FIGURE 1;
edge engagement of the strip with the counter top.
FIGURE 3 is a fragmentary developed outer side eleva
The strip 15 may be made from stainless steel strip
tional or edge view of the molding trim strip ring; and
rolled or otherwise formed into shape and for convenience
FIGURE 4 is a fragmentary vertical sectional view sim_
comprises a continuous ring in the form shown so that
ilar to FIGURE 2 but disclosing how the sink may be
assembly can readily be effected with the sink by relative
mounted in respect to the counter top without the use of
55 axial movement wherein the retaining ?ngers 19 are
the molding trim strip ring of FIGURE 2.
cammed over the hump of the rim terminal ?ange 10
A sink 5 of the heavy gauge pressed steel enameled type
where the portion 12 joins the body of the ?ange and the
is shown as installed with a counter top '7 of the wood
?ngers 19 are in this process ?exed inwardly and then
base and thermosetting plastic upper surface wear lamina
resiliently ?ex outwardly into the retaining engagement
type. By “counter top” is meant generically, any suitable
form of drainboard, cabinet top, service counter, and the 60 described with the sink rim shoulder 14. If desired, of
course, plastic sealing material may be applied between
like, forming a support for the sink or which may even be
the molding frame member 15 and the sink rim terminal
partially supported by the sink in some installations. A
?ange 10 and the portion 12 thereof, but has been omitted
suitable opening 8 in the counter top is receptive of the
‘from the drawing in order to avoid obscuring details of
In the illustrated embodiment, the sink 5 is of the gen 65 the retaining ?nger structure. Of course, such sealing
material may also be applied between the outer margin of
erally oval bowl type especially suitable for lavatory pur
the frame strip member 15 and the counter top if desired.
poses but which may be of any other preferred bowl form
Installation of the sink 5 with the counter top 7 may
for lavatory, bar sink, kitchen sink, and like purposes.
I be effected before or after attachment of the molding trim
On its upper end, the sink bowl has an outward laterally
projecting rigid, rim ?ange 9 of circular perimeter afford 70 strip ring 15 to the sink. Usually it is desirable to pack
yond the outer edge of the counter top overlying portion
with a free edge of the strip engaging the counter top.
ing a wide portion at the back of the sink for accommo
age and ship the molding strip ring 15 separately from
dating plumbing.
the sink and then to e?ect assembly at the site of installa
tion with the counter top. This avoids possible damage
to the relatively thin material of the molding strip 15 in
the course of handling of the sink prior to installation.
Furthermore, relative lateral adjustments between the
the counter toprand the rim ?ange is such as to preclude
wedging coa'ction of the outwardly facing portion of the
head of the arm 21 against the edge of the counter top,
sink rim ?ange structure and the counter top can more
interlocking relationship of the clip head responsive to the
downward ‘pull imposed by the screw 25. Where such a
a relationship which would afford a desirable wedging
easily be made before the molding strip 15 is pressed into
wedging action is not possible, there is a tendency of the
assembly with the sink and counter top, with the attend
clip to rock outwardly away from the point of contact of
ant ?rm gripping of the counter top by the seating and
the screw 25 with the underside of the rim ?ange 9 as up
sealing edge 17 of the molding strip. '
Although the sink ‘5 may be maintained in assembly 10 ward thrust of the screw fcauses downward thrust and
fulcruming of the shoulder projection 22 of the clip
with the counter, top 7 by means of plumbing attached to
against the sink rim shoulder 23. This action cants the
the sink, it is usually desirable to employ suitable retain
counter top engaging arm '28 of the clip upwardly to
ing means between the sink and the counter top, a desir
ward the counter top. By providing vthe terminal of the
able form of such retaining means comprising retaining
clips 20. These clips of which there may be as many as 15 arm 28 with an upwardly directed spur point 29 which
can dig into the relatively softer material of the counter
desired disposed circumferentially around the margin of
top an anchorage is effected holding the clip against out
the sink, six being shown by way of illustration in FIG
URE l, have the‘multiple functions of retaining the sink
ward movement away ‘from the sink and providing a ful
crum which enables downward swinging of the clip arm
' against upward displacement relative to the counter top
7 or conversely of retaining the counter top 7 against 20 24" and inward swinging of the upwardly projecting re
taining clip arm’ 21 so that the clip head shoulder projec
downward displacement relative to the sink where such a
tion 22 attains a ?rm downward and inward thrust against
possibility may be present, maintaining the sink' and coun
the sink shoulder 23 as the screw 25 is tightened against
ter top ?rmly against relative transverse displacement,
the underside of the sink rim 9. It will be appreciated
assuring that the counter’ top engaging rim ?ange '10 and
that the downward thrust of the clip arm shoulder 22 pulls
the molding strip ring :15 are drawn ?rmly against the
upper surface of the counter top 7 and interposing a~ , the sink rim ?ange terminus structure ?rmly downwardly
‘against the counter top 7, while the inward thrust of the
sound damping coupling between the low resonance mate
clip arm 21 tends to drive the sink toward the opposite
rial of the counter top and the relatively higher resonance '
side of the counter top opening '8, which action is counter
material of the sink assembly. Of course, with respect to
the latter feature of sound damping there is a substantially 30 acted by the ‘opposite and oppositely thrusting clip 2%! in’
the installation so that the sink is thereby held by the clips
out of phase resonance characteristic of the molding ring
?rmly against transverse movement relative to the counter
member 15' and the sink rim ?ange structure engaged
thereby further implemented by the ?rm contact of the
edge 17 of the molding ring member against the counter
top as well as positively against upward displacement
relative to the counter top. The ?rm engagement of the
35 clip with the sink rim ?ange structure and with the coun
_ In an e?icient construction, each of the retaining clips
20 comprises a three arm rigid member including an up
wardly directed arm 21 dimensioned to ?t freely within
ter top provides the desirable sound damping coupling of
the gap between the edge de?ning the counter‘ top opening
effected by the 'simple'expedient of loosening the clamp
8 and the turned juncture between the rim ?ange 9 and 40
ing screws 25.
the clips between the sink and the counter top.
, Easy shifting ‘or disassembly of the clips Zil can be
Reference is made to my copenciin'l7 application Serial
No. 827,751, ?led July 17, 1959, of which the present
the clip arm 21 has a head projection 22 which in service
application‘is a continuation-in-part,
projects inwardly to overlie and engage in more or less
It will be understood that modi?cations and variations
wedging, retaining relation with an upwardly and out
wardly facing shoulder 23 afforded by the ?ange portion 45 may be effected without departing from the scope of the
novel concepts of the present invention~
12 of the sink. Although the projection portion of the
the terminaln?ange portion 12. On its upper end portion,
head of the arm 21 may be Wider than the access gap be
tween the counter top edge and the sink rim ?ange struc
ture, the thickness of the arm 21 and the head transversely
to the projection is less than the gap width so as to enable
ready'insertion of the clip arm 21 through the gap and
then turning of the clip to place the projection 22 in en
gagement with the shoulder 23.
Projecting from the lower end of the arm 21 and in the
I claim as my invention:
1. In a structure including a counter top having an
opening receptive of a sink, a sink member having an
upwardly ‘opening bowl witlr'n said opening and having
a rigid ?ange extending laterally outwardly from the top
of said bowl, said ?ange having integrally in one piece
therewith a turned up portion'extending upwardly and
inwardly in overlying relation to a portion of the rim
things and then projecting outwardly toward and lying
same direction as the head shoulder projection 22 is an
55 on the counter top, and means securing the sink member
arm 24 which in service underlies the rim ?ange 9 in
spaced relation and carries movable clamping means con
veniently in the form of a screw 25 threaded there
‘in place relative to the counter top, said upwardly ex
tending overlying portion of the ?ange de?ning with the
underlying portion of the rinr?ange an inwardly open
through to project upwardly and having its tip engageable
ing groove and over?ow curb on the rim flange spaced
in upwardly thrusting relation against the underside of the
60 outwardly ‘from the upper end of the sink bowl.
rim ?ange 9. 'Below the arm 24 the screw 25 has a tool—
engageable head 27 by which the screw is adapted con
veniently to be manipulated. Asthe screw 25 is driven
2. In a structure including a counter top having an
opening receptive of a sink, a sink member having .an
upwardly opening bowl within said opening and having
from a hacked o?” clearance relation into thrusting en- ~
,gagement against the underside of the rim ?ange 9, it 65 a rigid ?ange extending laterally outwardly from the top
of said bowl, said ‘?ange having a turned up portion eX
draws the clip arm- 21 downwardly to thrust the shoulder
‘tending upwardly and inwardly in overlying relation to
projection 22 against the rim ?ange shoulder 23.
a portion of the rim ?ange and then projecting outward
Since the sink ?ange shoulder 23 is disposed on a’
ly into overlying relation to the'counter top, said up
downward slant and thus acts as a cam tending to displace
wardly extendingoverlying portion de?ning with the un
the clip shoulder projection 22'downwardly in response 70 derlying portion of the rim ?ange an inwardly opening ‘
to downward pull imposed by the ‘screw 25, a counteract
splash groove and over?ow'curb on the rim ?ange spaced
ingthrust arm 28 is provided on the clip projecting oppo
outwardly from the upper end of the sink bowl, said up
wardly extending rim ?ange portion and the outwardly
sitcly to the arm 21%, to underlie and thrust against the
extending portion thereon de?ning on the outer side of
underside of the’ counter top '7. This arm 2-3 is especially
effective where the gap relationship between the edge of 75 the upwardly and inwardly extending portion an outward
thereof engaging in said groove and other portions there
outer edge of said terminal ?ange portion and having
an outer free edge extending downwardly in outwardly
1y opening groove, and retaining clips having portions
of engaging under the counter top and under said rim
?ange inwardly from said upwardly extending portion and
securing the rim ?ange and thus the sink againstupward
displacement relative to the counter top.
3. A structure as de?ned in claim 2 wherein the por
tion of the clip. in each instance that engages the under
side of the counter top including an upwardly project~
ing spur to hold the clip against outward displacement 10
and the portion of the clip engaging the underside of the
rim ?ange ‘being movable and thereby drawing the por
tion of the clip that engages in said outwardly opening
groove downwardly and inwardly against the upwardly
and inwardly extending portion of the rim ?ange.
4. In a sink structure, a sink having an upwardly open
ing bowl provided with a rim ?ange projecting laterally
outwardly relative to the \bowl, said rim ?ange having a
further outwardly extending distal terminal ?ange por
tion o?set upwardly from the rim ?ange by an upwardly 20
and inwardly directed intermediate ?ange portion pro
viding an inwardly and downwardly facing shoulder over
hanging the adjacent part of the rim ?ange, and a mold
ing trim strip arched to overlie and extend beyond the
spaced relation to said outer edge for engagement upon
a counter top upon which said terminal ?ange portion
is adapted to be mounted, the inner margin of the strip
engaging the rim ?ange and having an underturned por
tion interlocked with said shoulder.
References Cited in the tile of this patent
Mann _______________ __ July
Lyon _______________ __ Feb.
Murphy et al. ________ __ Jan.
Kraft ______________ __ Apr.
Lyon ________________ __ June 10, 1947
Ball ____ __‘__ _________ _._. Apr. 4, 1950
Fox ________________ __ May 2, 1950
West ________________ __ Oct. 10, 1950
Bonnell ____________ __ Apr. 17, 1951
Switzer ______________ __ Dec. 20, 1955
Hammer ______________ __ July 1, 1958
‘ > Hammer ____________ __ July 22, 1958
'Stra'hs _ ____________ ___ Dec. 16, 1958
Scharmer ____________ __ May 5, 1959
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