вход по аккаунту


Патент USA US2124522

код для вставки
July 25, 1938.
I 2,124,522
Filed May 8, 1935
Patented July 26, 1938
I 2,124,522
Seymour Batdorf, Lancaster, Pa., assignor to Lib
erty Can and Sign Company, Lancaster, Pa., a
‘ corporation of Pennsylvania
Application May 8, 1935, Serial No. 20,496
3 Claims. ' (01. 220-43)
This invention relates to receptacle openers of
the pry-bar type for cone-type-friction seal plugs
employed to close or seal such receptacles, and
also to the combination of such an opener with
5 a special construction of such a sealing plug.
The primary objects of the present invention
are to provide such an opener which may be
freely moved peripherally about the rim or bead
of the plug to be used to successively pry against
10 the end of the receptacle at different points ad
jacent the periphery of the plug and which will
remain at all times permanently though loosely
applied to the plug so as to be removed therewith
and applied therewith to the receptacle, whereby
15. the receptacle may be opened and resealed re
peatedly a number of times and the opener will
always be available to facilitate the opening; to
provide such an opener which will not injure the
top of the receptacle nor scratch or mar the
?nish of the said top; to provide an opener having
a sti?ly resilient prying leg and foot bearing with
a cam action on the top of the receptacle and
exerting a spring pressure in the ?nal stages of
its operation vto aid in lifting the sealing plug,
such resilient characteristic also contributing to
the avoidance of marring the ?nish of the top of
the receptacle; to provide such'an opener which
will not tightly frictionally engage any’edge, face
or portion of the plug or top of the receptacle in
39 its retracted or inoperative position or in any
intermediate position when not exerting inten
tionally a lifting leverage on the top of the re
, ceptacle, whereby the opener may be freely and
easily shifted in a peripheral direction from point
35 to point about the periphery of the sealing plug
without jamming or binding or sticking in one
position and without risk of being damaged or
twisted by the exertion of too much force by the
operator in his impatience in trying to shift it
40, peripherally and which, if the opener jammed in
position might result simply in twisting the opener
off of the plug and destroying its further‘useful
ness instead‘ of sliding it peripherally about the
result otherwise in their deformation and separa
Herein I illustrate and describe simply the pres
ent preferred embodiment of my invention merely
by Way of illustration of the practice of my in- 5
vention as by law required. However, I am well
aware that my invention is capable of various '
embodiments and that the several details thereof
may be modi?ed in different ways, all without
departing from my said invention, and, there- 10
fore, the accompanying drawing and description
herein are to be considered as merely illustrative
and not exclusive.
In the accompanying drawing:
Figure 1 represents a top plan view of a recep- 15
tacle with a sealing plug and opener embodying
my invention applied thereto;
Figure 2, a sectional view on line 2—-2 of Fig. 1,
looking in the direction ofthe arrows;
Figure 3, a view similar to Fig. 2, the opener 20
being in intermediate position;
Figure 4, a view similar to Fig. 2, the can
body being omitted and the lifter or opener shown
in its extreme outwardly rotated or lifting posi
tion; and
Figure 5, a sectional view on line 5-—5 of Fig. 1
showing the slightly arched and rib braced and
stiffened construction of the lifter lever F.
Referring now in detail to the vdrawing, A
designates the body of a can or receptacle; B, 30
the top thereof; C, the usual end seam; D, the
usual very slightly downwardly tapering or cone
form seat de?ning the receptacle opening; E,
the usual cone type sealing plug or closure of the
friction sealing type making a tight sealing ?t in 35
said seat; and F, the handle or main operating
lever of the lifter or opener.
The lever F is formed of relatively heavy stiff .
sheet steel, or preferably so, and its radially outer
' portion is preferably slightly upwardly arched or 40
curved in cross-section and preferably formed
with an upwardly pressed longitudinally extend
ing rib f to stiffen and strengthen it'lengthwise
plug as intended; to so form and-combine the and it will preferably be so formed and bent
45 opener and plug that in the normal inoperative. lengthwise that no ‘part of the lifter will extend
or storing'or shipping position of the opener the above the top of seam C and so that the inner
parts of the opener extending beyond the plug portion of the lever F will rest on the top of the
and the parts of the opener extending below the plug E ‘while the extreme inner end portion will
rim of the plug will not interfere’ with the proper be bent up away from the upper face of the plug
E to facilitate the grasping and movement of the
50. complete seating or'sealing of the plug in itsopen
ing; and to so form and combine the opener and lever F incident to its opening or, lifting opera
the plug that their associated interengaging ele
ments vresponsible for maintaining their perma-.
nent loose connection will besafeguarded against
55; excessive movement of the parts which might
The radially'outer portion ofthelever F lies
or rests against the top’surface of the upwardly
and outwardly curvedand ?aring peripheral rim 55
eof the plug 4E and at this point is provided with
V of the ?ngers or hooks 1, or such portions thereof 7 '
preferably integral side extensions 5, the radially
as otherwise might be interposed between, and
outer portions of these extensions 5 being sepa
engaged onopposite faces by, the opposing faces
rated by a cut or slot from the rest of :the lifter 7 of the rim of said plugE and the top of the can, '
andbeing downwardly and radially inwardly bent
and so prevents interference by said ?ngers or -
to constitute retaining and thrust hooks or ?n
hooks 1 with theproper seating and sealing of,
gers ‘l, and the radially inner'portions of said the plug E.’ Of course, in such case, the conical
side eXtensions are bentidownward to constitute portion of the vertically inclined wall of the plug
retaininglugs 9 in any given position of rotation 'E below said shoulder or head 8 will be
‘made of such size and shape as to make a tight
plug E some portion of their radially outer faces.’ ._ frictional sealing ?t in the seat D.
'10 of which in'a vertical plane about the rim of the
will contact with some portion of the radially ~
' Of course it would seem' apparent that the
should'eni-f employed, may be formed in any suit
e to prevent
face of the wall
of the
plug Emovement
or of its of , able or practical and'knownmanner, as by form-f ' f
15 the hooks or ?ngers l to such extent that their; 7 ing a bead 8 as illustrated or by making a two
diameter plug,jthe inward olfset between the large
radially inner ends will clear the edge 6‘ of‘ the
open external bead or curl e’ of the plug E. I In ' and smalldi'ameters forming the shoulderll, or .
otherwords the function of the lugs; 51 is?to-ll-imit substantially the. same result might be accom- ‘
the radiallyioutward movement of the lifter’
I} v'plished. bysuddenly increasing the upward and
outward flare of the cone to abruptly change the
V20 a whole so as to prevent its separation from the
angle; oflthenexternalicone face, the formand
relationship go-f the hooks ‘or ?ngers: 1 and lugs 19
plug- E. ' In view of, the fact that. the plug‘ Ev is
of general frusto-conical formand is curved;
being jrncdi?ed as might be, made necessaryghy
any such changed cross-sectional form of the
preferably nctbeftruly verticalibut will prefer- ' wall of the plug E in order’ thatutheir functions:
may be;_retained unimpaired. f
. "
incline downwardly and inwardly to be sub
cross-section adjacent the point'of; mergence» b.e-,
vtween its side wall and bottom, the lugs 9 will
V In operation, with the plug E driven tightly
' 'stantially parallel to the adjacent opposed 1301'":
tion of the Vertically disposed or' inclined por , home into frictionalsealing contactwithits; seat’ 7'
' V '7 tioniof the plug and willihave their lower ends D and with the parts in normal position as illus
trated, it being desiredto lift the plug E» out,‘the'
‘ 30.. bent inwardly slightly,'so ‘that when the lifter
is in normal. position with its inner end resting inner‘end ofqthe lever 'F’Yis gripped and rotated 7
onv the‘r'upper face of the plugiE, as~ illustrated in about the rim 'e until the rounded face 73 engages:
Fig. 2, the lugs 9 will lie very close to the wall iof ‘the upper face of the top 3 andvat whichftime- "
the, ?ngers ‘1 will be; hooked under the curlii.v with
their tips thrusting against the external upper
' the plug E but willinot'be in contact, or in sub
as stan'tial contact:tlierewith, whereby the lifter
portion of the plug E at its point of mergenee V
may be shifted in’. either peripheral direction
with the rim e, and continued vertical, movement f;
about the‘plug E without jamming and the‘ risk
of .being deformed, twisted,>or torn err isucheasy
might occur were the lugs 9 bent down straight
or.’ their; lower endsrnot bent inwardly to avoid’
or rotation of thelever F will cause the cam- sur
face 3‘ to swing about the tips of said ?ngers 1'
as a sliding fulcrum point} as said/cam surface 40
3' itselfmoves'in slidingccontact as a fulcrum point
' with theztop of thecan exerting a radially'inward,
relatively tight frictional engagement with. the
wall of the plug. Eiinterferin'g with or' preventing
freezperipheral sliding movement of ‘the lifter‘
as} a whole‘ in‘ its’! normal positionpw ' - ~
and upwardthrust against the upper‘ part of the
plug Einman inclined straight line extending from
'the'point ‘of contact between the-cam face 3and 45
'I'he'leverF is formed with a preferably inte~
c gral radially outward extending ‘portion extend-V ' the‘top- B-of the canto the point, of 'contactbe-J
tween- the, tips ofy?ngers I and the upper part of
theplllg-E, the: position, and inclination of said
ing beyond the side extensions 5 and constituting
a prying-airmwl, which is preferablys'lightly'up
wardly» arched: in cross-section and preferably has
a longitudinally extending reinforcing rib" J? to
5017 ‘give it strength and
line of, thrust shifting , progressively as the ,lever '
Fis rotated through its-range of operativemovw
rigidity and being in this;
AsstheileverFis thus moved or rotated about 7
respect simply a ' continuation of the , lever , F;
the‘. rimp-pe of plug E to lift the_;latter “the leg ,2
Aipreferably integralv stiff preferably semi-rigid
preferably' slightly resilient lifter leg_2 depends.
will’ move into- substantially ‘vertical or slightly l
downwardlyralmost vertically from the outer end
past vertical position by the" time the curved or‘
.of' arm I von an abrupt curve and is inclined very’
cam‘portion. 3‘ touches thetop‘of the can, so that
slightly r'adiallyoutwardly to its lower end where: further rotation’ of the lever F, partic'ularly'in '
case thelplug E has a ‘real tight frictional seat
it"is provided ‘with . an abrupt bend "ton-give a'
curved bearing. portion 3 ‘which. is’ continued ups I, in, and is tightly gripped'by, the seat D, will bend , ‘
6.9; ward by a'shortvfoot 4 closely approaching the thejleg 2 inward toward the. plug E1 slightly; so 60vertical ' and yet' very slightly: inclined radially
putting it under-compression orjstoring energy
outwardly 5 and upwardly,’ said .footrd and the‘
in it, which energy,’ subsequently acts ‘to force '
curved or bent‘ portion sfvpreferably being also the; plug E‘ upward from its seat: once the ‘initial;
of the same‘ preferably semi-rigid preferably, tight frictional‘ grip’ is overcome. Also, this sti?ly
slightly resilient construction andlmaterial as the . resilient quality of the leg 2 and its foot 4 per
_ leg Zandpreferably being integral therewith." "
' mits'ltheysame’ .to'yield slightly and thus renders
'7 Preferably’ the radially inner end, portions’ of c :
1 the?n'gersfl will bereduced in} thickness viii ver-i
ti‘cal cross-sectiontas illustrated, rto-vavoid- inter
" 1 fering ’ with; the’properr seating of the sealing
less thenrisk of marri-ngt-he top when consider;
able force‘ is, necessary ,to- overcome the frictional
grip, between‘ ‘the: plug E and its seat D.
:Bynot tightly pressing the beade' against the
7 under face of'the rim, e, I’ leave a. partiaIIyLOpen.
L; ‘
E,_ will
, , ., be .‘formed’
. with'efanl
bead vor:‘curl;having a radially inwardlylpresented
external bead or lirnitv an’dsealing face adjacent
its irim'e, said externalibead or shoulder 8 having
its. lower ' facelocatedi below the ‘lowest portions
edge face’? vertically spaced from- the lower face
ofthevrimqegand' extending in the path of the
upper'endsof the ?ngers 11 when in the positions 15?
illustrated in Fig. 4 and so preventing the sep
in combination with a receptacle opener com
arationlof the lifter from the plug E by radially
‘outward movement of the lifter in the horizontal
plane of the plug E when the parts are in such
prising an operating lever, a leg integral with
and extending substantially vertically downward
from said lever, a sti?ly resilient prying foot in
relationship, and the curved or cam face 3 engag
ing with the external face of the cone portion
of the plug E when moved to the position illus
trated in Fig. 4 prevents the further movement
of the lifter with relation to the plug E» in that
10 direction to such position as might permit sep
aration of the lifter from the plug.
I claim:
1. A friction closure plug for a receptacle hav
ing an opening de?ned by a frictional sealing
seat, said plug having a vertically extending
wall and being formed with a radially outwardly
extending rim and with a ?ange integral with
said rim and presenting an annular stop shoul
der spaced vertically downwardly away from said
rim and radially outwardly from the opposed ver
tically extending wall of said plug, in combina
tion with a receptacle opener comprising a sub
stantially rigid operating lever, a leg integral with
tegral with said leg and extending upwardly and
radially outwardly therefrom, a rounded cam face
formed at the point of mergence of said foot and
leg, and means carried by said lever to loosely
slidably permanently connect said lever about
the rim portion of said plug for free sliding and 10
partial rotary movement in different planes, said
means comprising a part extending up inside of
said continuous shoulder and engaging the face
thereof in one position of the lever to prevent
separation of said opener from said plug.
’ 3. An opener for a receptacle closed by a plug
‘having a peripheral annular bead, said opener
comprising an operating lever, and prying means
integral'with ‘and ‘depending from said lever said
prying’ means comprising a leg integral with and 20
extending substantially vertically downward from
said lever, a stif?y resilient prying foot integral
with said leg and extending upwardly and radi
and extending substantially vertically down— ally outwardly therefrom, and a rounded cam
ward from said lever, a sti?iy resilient prying foot ' face formed at the point of mergence of said foot
integral with said leg and extending upwardly and leg, in combination with a ?nger integral
and radially outwardly therefrom, a rounded cam with said lever and extending radially outwardly
face formed at the point of mergence of said foot beyond the bead of said plug and down inwardly
and leg, and means carried by said lever to loosely below said bead, and a lug integral with said
‘slidably permanently connect said opener and lever to loosely engage the inner face of said
plug, said means comprising ?ngers engaging plug, said finger and lug being so formed and
in such spaced relation to each other that in
said stop shoulder in the extreme operative po
any given position of the lever some portion of
sition of the lever and preventing the separa
tion of the opener and plug, said prying foot in said lug will engage some opposed face portion
such extreme outward movement of the lever of the plug before the ?nger has been moved to
engaging the vertically extending outer face of such position that it will clear the bead by move
ment of the lever as a whole in any given direc
the plug.
tion with relation to the plug, and said prying
2. A friction closure plug for a receptacle hav
ing an opening defined by a frictional sealing means being of such length and so disposed rela
seat, said plug having a vertically extending wall tive to said ?nger and lug that it will engage
an opposed face of the plug to prevent continued
and being formed with a radially outwardly ex
tending rim and with a flange integral with the movement in the same direction of the lever after
said ?nger has moved into engagement with the
outer portion of said rim and presenting a‘con
tinuous stop shoulder spaced vertically down
radially inner face of said bead.
wardly away from said rim and outwardly from
the opposed vertically extending wall of said plug,
Без категории
Размер файла
559 Кб
Пожаловаться на содержимое документа