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Патент USA US2403959

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July 1.5, 1946-
P. T. SIMMONS
' 2,403,959
CAN OPENER
' Filled Aug. 25, 1944
2 Sheets-Sheet 1
jm?y m9 E46.
P. T. SIMMONS
CAN OPENER
Filed Aug. 25, 1944
‘
‘ 2,403,959
I
2 Sheets-Sheet 2
Pa rker ITS/‘M21048,
' %%w; @5440
ms
Patented July 16, 1946
2,403,959
UNlTED STATES PATENT OFFICE
2,403,959
CAN OPENER
Parker T. Simmons, San Francisco, Calif.
Application August 25, 1944, Serial No. 551,151
3 Claims.
(01. 30—15')
1
This invention relates to a can opener, and
has for the primary object the provision of a
device of this character which 'will e?iciently
2
A rotary cutter ‘l6 and a gear 11 are placed
against each other with the hub openings there
of in alignment and which openings have an
open a can close to where an end wall thereof
gularly related walls to match the faces of a
joins the side walls and entirely remove the 5 sleeve 22 extending therethrough for establishing
end wall without leaving jagged portions on the
a driving connection between said gear and the
can which might endanger a person when re
cutter. The sleeve .22 is journaled on a bolt 18
moving the contents of the can.
secured to the lever and which has its head
‘Another object of this invention is the pro~
23 countersunk in the lever, as at 24, to prevent
vision of a can opener embodying a rotary cutter 10 striking thereof against the .bar I] during swing
and a rotary feed wheel, one driven by the other,
ing movement of the lever. The bolt has a nut
so that the can while being severed by the cutter
20 for the retention of the sleeve along with the
will be caused to move or travel relative to said
cutter thereon, and which permits easy removal
cutter for presenting uncut portions of the can
thereof when desired. The rotary cutter in
thereto until the can is completely opened or the 15 cludes a .beveled serrated face for curling the
severing operation discontinued.
severed ‘portion of the can inwardly of said can
A further object of this invention is the pro
vision of means for the support of the cutter and
the feed wheel and which will permit separation
thereof to allow a can to be easily placed in and
removed from the cutter and the feed wheel.
With these and other objects in view as will
become more apparent as the ‘description pro
as the severing operation takes place.
The
rotary cutter further includes .an annular groove‘
2| to receive the bead of the can as the cutting
edge of the cutter penetrates the end wall of the
can.
Operating below the cutter l6 and gear H, is
a substantially conical shaped feed wheel 25 pro
vided with serrations and a drive gear 21, the
ceeds, the invention consists in certain novel fea
tures of construction, combination and arrange
hubs of which are aligned to receive a drive shaft
ment of parts as will be hereinafter more fully
32 ,journaled in the lower portion of the bar It].
described and claimed.
The hubs of the wheel and the gear have
For a complete understanding of my inven-‘
similar angular central openings to match a :cor
tion, reference is to be had to the following de
respondingly shaped shaft 32. A head 28 is
scription and accompanying drawings, in which 30 formed. on the shaft and is countersunk in the
Figure 1 is a front elevation, partly in section,
feed wheel, as shown at 29, to allow the latter
illustrating a can opener constructed in accord
to lie close to the can without interference from
ance with my invention and showing a can being
severed thereby.
the shaft.
'
A crank handle 35 having a hand grip 36 is
Figure 2 is a fragmentary side elevation illus 35 pinned on the shaft with a spacer 3| arranged
trating the device and the association of the can
on the shaft between said crank handle and the
therewith.
supporting bar l0.
Figure 3 is a View similar to Figure 2 showing
Integral with the bar l0 are attaching arms
the opposite side of the device.
39, that may be secured in any suitable way to
Figure 4 is a sectional view taken on the line 40 a support, such as the wall of a room.
4——4 of Figure 1.
An arm 40 is secured to the supporting bar
Figure 5 is a view similar to Figure 3‘, partly
I 0 and includes a compound curvature, provid
in section, illustrating the gears partly in mesh
ing stop portions 4| and 42. The bead of a can
ready to feed the cutter into full cutting position.
is adapted to abut against the stop portion 42
Referring in detail to the drawings, the nu 45 for limiting the depth of cut of the cutter on
meral Ill indicates a vertically arranged rigid
the top wall of the can. It is to be noted that
supporting bar, the lower end portion thereof
when the cutter is in full cutting position, the
being disposed at right angles thereto, to provide
an abutment H ‘for a vertical wall of a can [2
cutting edge of the cutter overlaps the feed
wheel 25 with the vertical wall of the can there
to engage. The upper end of the bar I0 is 60 between and with the bead of said can received
apertured to receive a bolt l3 acting as a pivot
within the annular groove 2| of the cutter.
for the upper end of a lever If). The bar I 0 is
The teeth of the gears l7 and 21 are of consider
able length so that said gears may have driving
offset intermediate its ends to position the lever
l5 when in a depending position in substantial
connection with each other when the cutter is in
alignment with the lower portion of said bar.
55 position, as shown in Figure 5, with the cutting
2,403,959
3
4
edge resting on the top wall of the can and with
the lever swung laterally of the supporting bar
l0, so that on rotation of the gear 21 by the
crank handle in the direction of the arrow in
Figure 5, the gear I‘! will be caused to rotate in
the direction indicated by the arrow in said Fig
ure 5. This brings about a swinging movement
made without departing from the spirit and scope
of the lever 15 in the direction indicated by the
cutter and gear having driving connection with
'each other journaled on said lever, a shaft jour
of the invention as claimed.
What I, claim is:
1. In a can opener, a Vertical rigid bar includ
ing an abutment to be engaged by the side of a
can, means for supporting said bar, a lever piv
oted on said bar above said abutment, a rotary
arrow in Figure 5, forcing the cutting edge of the
cutter through the top wall of the can, This 10 naled ‘on said bar between said abutment and said
lever, a feed wheel and gear secured on said shaft
swinging movement of the lever in the direction
with the latter~named gear meshable, the ?rst
speci?ed continues until said lever abuts the stop
named gear being placed in mesh with the last
portion 4|, whence the cutter has assumed a full
named gear when said lever is swung downwardly
cutting position in relation to the can, as shown
in Figure 1.
15 to force the cutter into cutting engagement with
the top of the can, a crank handle secured to said
The rotation of the gears is continued as speci
shaft, and an‘ arm secured to the bar and includ
?ed until the cutter has severed the top wall en
ing stop portions, one of which is adapted to be
tirely from the can close to the bead thereof.
engaged by the lever in its lowered position and
The operator then swings the lever rearwardly
and upwardly, removing the cutter and its com 20 the other by the can.
2. In a can opener, a vertical rigid bar, means
panion gear I‘! away from the can. During the
for supporting said bar, an abutment on said bar
cutting operation the feed wheel 25 is rotated as
to be engaged by a can, a lever pivoted on the bar
well as the cutter which moves the can relative
for swinging movement, a rotary cutter including
to the cutter continuously presenting uncut por
tions of the can to the cutter. When the cutter 25 a cutting edge and a serrated beveled face and
annular groove, a gear having driving connection
is in full cutting position and the feed wheel 25
with said cutter and both mounted for rotation
is against the can, as shown in Figure 1, along
on the lever, a shaft journaled on said bar, a feed
with the portion H of the bar 10, the cutter and
wheel and gear having driving connection with
wheel have a wedging grip on the can su?icient
to prevent the same from becoming free of the 30 each other secured to said shaft with the latter
named gear meshable with the other gear, a
cutter, thus eliminating the strain on the. oper
crank handle secured to said shaft, said feed
ator of retaining the can in position of cutting.
wheel having a beveled serrated face to contact
It is to be understood that when the lever has
been swung rearwardly and upwardly the can ‘
the bead of a can.
3. In a can opener, a vertical rigid bar, means
for supporting said bar, an abutment on said bar
to be engaged by a can, a lever pivoted on the
bar for swinging movement, a rotary cutter in
cluding a cutting edge and a serrated beveled face
be seen that after a can has been arranged in or
on the device with the cutter contacting the top 40 and annular groove, a- gear having driving con
nection with said cutter and both mounted for
wall of the can by gravitation the gears are in
rotation on the lever, a shaft journaled on said
mesh so that it is only necessary to rotate the
bar, a feed wheel and gear having driving con
crank handle to bring about penetration of the
nection with each other secured to said shaft
top wall by the cutter and the latter into full
with the latter~riamed gear meshable with the
cutting position with the lever against the stop
other gear, a crank handle secured to said shaft.
portion 4|, obviating the necessity of the oper
said feed wheel having a beveled serrated face to
ator having to shove the cutter initially through
the top wall of the can in starting the cutting
contact the bead of a can, an arm secured to the
can be easily removed from the device and an
35
other placed therein.
From the foregoing description, taken in con
nection with the accompanying drawings it will
operation.
bar and including stop portions one to be engaged
50 by said lever and the other by the bead. of the
ferred embodiment of my invention, it will be - can.
PARKER T. SIMA ONES.
understood that minor changes in construction,
While I have shown and described the pre
combination and arrangement of parts may be
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