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Патент USA US3061361

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Oct. 30, 1962
Filed April 8, 1959
Robert D. Johnson
United States Patent ‘Office
Patentedoct. 30, 1962
.a.,plane passing along section line 4-4 of FIGURE 3
.illustrating further details of the linoleum puller.
Referring now speci?cally to the drawings, the numeral
10 generally designates the linoleum puller of the present
Robert D. Johnson, 5780 Turner Drive,
Salt Lake City, Utah
invention which is to be associated with a piece of lino
leum 12 adhered to a floor surface. The linoleum puller
14? includes an enlarged suction cup 14 of molded rubber
construction having a sealing lip 16 and a concave hollow
The present invention primarily relates to a device for
bottom surface 18 for engagement with the linoleum 12.
assisting in the removal of linoleum from a surface upon
which the linoleum has been previously installed and 10 The central part of the suction cup 14 is provided with
a cylindrical neck 20, there being an air passage 22 con
while the disclosure is directed to this use, the invention
necting the concave bottom 18 with a bore or socket 24
has many other utilities for handling, lifting, or otherwise
within the neck 20.
manipulating articles of smooth surface construction.
Embedded in the neck 20 is a cylindrical valve body
Heretofore it has been the practice to remove linoleum
from a ?oor surface by scraping, chiseling or otherwise 15 26 anchored therein by provision of a peripheral ?ange
28 at the bottom, the valve body 26 being externally
manually breaking the bond between the linoleum and the
threaded and internally threaded for a portion of its dis
?oor surface by employing some type of sharpened in
tance for receiving a removable valve seat member 30
strument or the like. Therefore, it is the primary object
which slidably receives and guides a valve stem 32 having
of the present invention to provide a linoleum puller
which may be employed effectively for pulling linoleum 20 a valve member 34 thereon for selective engagement with
the valve seat member 36. A spring 36 encircles the lower
up from a supporting surface such as a ?oor surface with
portion of the stem 32 and urges the valve member 34
out requiring the use of any tools such as scrapers, chisels
to closed position. This type of valve is the type that is
or the like thereby reducing the labor and effort required
conventionally used on pneumatic tire inner tubes and
in removing the linoleum and at the same time expediting
‘Filed Apr. 8, 1959, Ser. No. 805,089
5 Claims. (Cl. 294-64)
the linoleum removing operation.
25 may be of any suitable construction and is primarily a
Basically, the present invention incorporates an en
larged suction cup or suction cups having a manually
operable air valve associated therewith for admitting air
spring loaded check valve which will prevent entrance or
exit of air except when the stem 32 is depressed.
Mounted on the valve body 26 is a generally rectangu
lar mounting plate 38 held in position by a retainer nut
into the central area of the suction cup for breaking the
suction for release of the suction cup from the linoleum 30 44} and a suitable washer on the valve body 26 and re
ceived in a recess 42 in the upper surface of the plate 38.
surface, the suction cup being provided with a handle for
The plate 33 is provided with a pair of integral upstand
applying upward force to the suction cup and the linoleum
ing mounting lugs or ears receiving the inturned ends of
whereby the linoleum may be pulled upwardly by engag
a generally inverted U-shaped handle 46 as clearly illus
ing the suction cup with the linoleum adjacent a side edge
trated in FIGURE 1. Also carried by the plate 38 is an
thereof and subsequently working and sliding the suction
L-shaped spring member 48 secured by a fastener 50 and
cup towards the center of the linoleum which may be
having an elongated leg 52 overlying the open end of the
valve body 26, there being a depending projection 54 for
engagement with the upper end of the valve stem 32
and still maintain its attachment to the linoleum.
Another object of the present invention is to provide a 40 whereby the valve stem 32 will be depressed when the
elongated leg 52 is depressed by manual pressure being
linoleum puller having novel structural details incorpo
exerted on the free end thereof thereby letting air pass
rated therein including a handle pivotally attached thereto
into the concave area 18 for breaking the suction between
enabling the suction cup to be used primarily for pulling
the suction cup 14 and the linoleum 12 thereby releasing
accomplished without releasing the suction cup since the
suction cup will slide along the surface of the linoleum
linoleum from a floor surface but which enables the device 45
also to be used for other purposes in lifting, moving or
the linoleum 12.
otherwise handling any number of articles having smooth
and relatively ?at surfaces to which the suction cup may
be attached.
A further important object of the present invention is
two suction cups generally designated by the numeral 62
Referring speci?cally to FIGURES 3 and 4, the numeral
69 illustrates a modi?ed form of the invention in which
are employed and are identical to the structure of the
suction cup 14 and the associated valve. In this case an
to provide a linoleum puller which is simple in construc
elongated mounting plate 64 is employed for mounting
tion, easy to use, effective in operation, long lasting,
both of the suction cups 62 and the mounting plate 64
extends beyond the suction cup 62 to provide areas for
applying foot pressure to push the suction cups 62 down
dependable and generally inexpensive to manufacture.
These together with other objects and advantages which
will become subsequently apparent reside in the details 55 wardly for application to the linoleum. The mounting
of construction and operation as more fully hereinafter
described and claimed, reference being had to the accom
plate 64 is provided lugs 66 receiving pivotally the in—
panying drawings forming a part hereof, wherein like
which may be used as a handle and which has a threaded
turned ends of an inverted U-shaped bail or handle 68
socket 70 formed therein for receiving an elongated
numerals refer to like parts throughout, and in which:
threaded rod 72 having a transverse handle 74 at the up
FIGURE 1 is a perspective view of the linoleum puller
per end thereof which enables the device to be used while
of the present invention illustrating the association thereof
standing. For releasing the suction in the suction cup
with the corner of a piece of linoleum;
62, a pair of L-shaped spring members 76 are provided
FIGURE 2 is a vertical sectional view taken substan
tially upon a plane passing along section line 2—2 of FIG 65 and attached to the mounting plate 64 and the forwardly
extending legs thereof terminate in downwardly inclined
URE 1 illustrating the details of construction of the suc
terminal end portions 78 which are interconnected by a
tion cup and the air release valve;
pressure rod 80 which is adapted to be engaged by the
FIGURE 3 is a perspective view of another form of the
foot or toe for downward depression thereby releasing
linoleum puller of the present invention employing double
suction cups and an elongated handle device for operation 70 the suction by downwardly moving the valve stems thus
enabling the linoleum puller 60 to be applied by applying
of the puller from a standing position; and
foot pressure and to be released by applying foot pressure
FIGURE 4 is a sectional view taken substantially upon
for enabling the linoleum pulling operation to be carried
out without stooping.
vided with a passage for admitting air into the cup por
tion, a normally closed valve provided in said passage,
said valve including a tubular valve body projecting up
wardly from said neck and a depressible valve stem in
said body, a plate mounted on the projecting portion of
said valve body atop said neck, a resilient substantially
L-shaped valve actuating member having one arm there
of secured to said plate and its other arm extending above
In use of either form of the invention, the linoleum
removing operation starts at the outer corner or edge of
the linoleum and after the edges are broken loose, the
pulling device is progressively moved inwardly towards
the center for removing the linoleum with the smooth
surface of the linoleum enabling the linoleum puller to
the upper end of said valve body, said other arm of said
move inwardly by sliding along the surface of the lino—
leum without actually breaking the suction between the 10 member having a free end portion constituting a depres
sible ?nger-piece, and a detent provided at the underside
puller and the linoleum. While the device has been dis
of said other arm, said detent being receivable in the up
closed primarily for the purpose of pulling linoleum up
per end portion of said valve body and engageable with
from a ?oor surface, the device may be used for many
said valve stem to open said valve when said ?nger-piece
different purposes including the handling, lifting, moving
or the like of various smooth surfaced articles and ma
is depressed.
2. The device as defined in claim 1 together with an
outturned annular ?ange provided at the lower end of said
valve body and retainingly embedded in said neck.
terials and if desired, some type of sealant may be pro
vided for the lip of the vacuum cup such as water, liquid
or the like.
3. The device as defined in claim 1 together with a
The present invention also encompasses the concept
of employing a vacuum pump employed for evacuating 20 handle and means pivotally connecting said handle to said
plate for swinging movement from one side of said neck
the suction cups which pump may be any suitable type
to the other.
and may be communicated with the suction cups in any
suitable manner. For example, it could be attached di
4. In a vacuum handling device, the combination of an
elongated plate, a pair of suction cups secured to the
rectly to the valve housing and communicated with the
interior of the suction cup through the valve housing. 25 underside of said plate at points spaced inwardly from
the ends of the plate, normally closed valve means pro
Of course, the valve could be remotely controlled as
well as manually controlled and could be remotely or
vided on each suction cup for admitting air thereinto,
manually controlled with or without the use of the vacu
said valve means projecting above said plate and includ
um pump. The use of the vacuum pump and the remote
ing a depressible valve stem for opening the valve means,
a handle connected to said plate at points adjacent the
control feature for the valve would enable the present
invention to be employed for various utilities and for
valve means of the respective cups, end portions of said
handling various smooth surfaced articles.
plate exteriorly of said handle constituting foot pressure
pads, and means provided on said plate within the handle
Also, the size relationship and orientation of the vacu
for depressing the valve stems of said valve means.
um cups may be changed depending upon the particular
5. The device as de?ned in claim 4 together with means
use to which the device is to be employed for increasing
pivotally connecting said handle to said plate for swing
or decreasing the effective holding power of the device
ing movement from one side of the plate to the other.
for adapting it for its various utilities.
The foregoing is considered as illustrative only of the
References Cited in the ?le of this patent
principles of the invention. Further, since numerous
modi?cations and changes will readily occur to those 40
skilled in the art, it is not desired to limit the invention
Gardner ______________ __ Apr, 4, 1916
to the exact construction and operation shown and de
scribed, and accordingly, all suitable modi?cations and
equivalents may be resorted to, falling within the scope
of the invention as claimed.
Hanlein ______________ __ Mar. 13, 1917
2,303,393 ‘
Schmidt ______________ __ Dec. 1, 1942
Lenhart ______________ __ Dec. 2, 1952
Great Britain _________ __ July 19, 1935
What is claimed as new is as follows:
1. In a vacuum handling device, the combination of a
suction cup having a cup portion and a neck thereon pro
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