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Патент USA US3099315

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July so, 1963
K. ZYSSET
3,099,305
FOOD SLICER
Filed Sept. 25, 1959
3 Sheets-Sheet 1
July 30, 1963
K. ZYSSET
3,099,305
FOOD SLICER
Filed Sept. 25, 1959
3 Sheets-Sheet 2
July 30, 1963
K. ZYSSET
3,099,305
FOOD SLICER
Filed Sept. 25, 1959
5 Sheets-Sheet 3
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41m. ,ZYS'SET
United States Patent ()
3,099,305
. ‘C6
Patented July 30, 1963.
2
3
In the hollow shaft ‘6 is mounted rotatable and axially
movable the thicker portion 17a of a solid shaft or pin 17.
To that end of portion 17a which projects from hollow
shaft 6, is ?xed the hub-shaped portion 18a of a stop,
3,099,305
FOOD SLICER
Karl Zysset, Hauptstrasse 31, Lyss, Switzerland
Filed Sept. 25, 1959, Ser. No. 842,510
abutment or gauge plate 18.
Claims priority, application Switzerland Oct. 1, 1958
3 Claims. (Cl. 146-103)
The entire rear face 19
(FIG. 2) of gauge plate 18 facing frame '1, stands at
right angles to the common axis of rotation 5 of swing
My present invention relates to improvements in house
arm 7 and of stop plate 18 and serves as abutment face
for the object '4 to bev cut in slices. The thickness of the
hold food slicers.
Various such slicers are known, of which the cutting‘ 10 slices cut is controlled by the spacing between said face
disk is rotated by power means, in most cases power
19’ and the plane of the knife edge 14 of cutting disk '13.
means also being provided for stepwise feeding the objects
To make possible the adjustment of this spacing which
or goods to be cut.
is readable from, a scale 45 provided on swing arm 7, so
Such known machines are rathel
expensive and are practically used only in retail shops
as to vary the thickness of the slices cut, a nut 20‘ is ad
15 justable on the externally threaded rear end of the thinner
and large-size kitchens of restaurants and the like.
An ‘object of the present invention is to improve a
shaft portion 17b. The nut abuts the rear end of hollow
slicer of known type in which a manually operable swing
shaft 6 which is provided with an enlarged interior por
arm is pivoted to a supporting frame, and a cutting disk
tion 61a, under the in?uence of a compression spring ‘21
is journaled to said arm, and in which a drive connec
inserted with pre-tension between said portion 6a and the
tion is normally provided between said disk and said 20 annular shoulder between the shaft portions 17a and 17b.
frame for rotating said disk about its own axis when actu
The abutment or gauge plate 18 which in elevation is
ating said arm, a gauge plate or abutment plate being
substantially crescent-shaped, is coupled at its upper end to
movably mounted on said frame to position the goods to
swing arm 7 in a non-rotatable relationship, but is movable
in the direction of axis 5. This is accomplished by means
be sliced.
it is also an object of the invention to mount the gauge 25 of a nose 7b provided on arm 7 and adapted to be engaged
plate or abutment plate on the stationary supporting
in a groove 22 which is parallel to the axis of rotation 5
frame on the same axis as the swing arm, and to make the
and which is provided on the upper end of plate 18.
plate adjustable in the direction of said axis to which its
Vice versa, the groove could be provided on the swing
arm, ‘and the nose could be provided on the abutment
abutment face stands at right angles.
One form of the invention is shown, by way of ex 30 plate.
Arranged on the front side of plate 18 is a cast, substan
ample, in the drawings, in which
tially radial rib 18b which serves as a handle and of
FIG. 1 is an elevation,
which the upper side is provided with a plate 24 made of
FIG. 2 is a top plan view, and
plastic.
’
FIGS. 3 and 4 are cross-sections on the lines II\I—III
35
Between cutting disk 13 and supporting frame 1 is dis
and IV-IV respectively of FIG. 1.
posed a drive connection through which, when swing arm 7
The slicer shown comprises a supporting frame 1 suit
is actuated, disk 13 is rotated about its own axis. Said
ably die-cast of plastic, which for reinforcement has par
drive connection comprises a link 26 pivoted by a pin 25
titions 1a and which is provided with rubber legs 40‘. In
to frame 1, a spring 42, a toothed segment 28 pivoted by
its intermediate portion, frame v1 has a raised saddle with
a horizontal platform 2 which is parallel to the frame 40 a pin 27 to arm 7 and further pivoted at 29 to link 26, and
a pinion 1'2 ?xed to disk 13 and having teeth continuously
base. A vertical web 3 extends from that edge of said
meshing with those of a toothed segment 28. Spring 42,
saddle which in FIG. 1 is situated on the left, across the
which is made of steel wire, is mounted with a couple of
entire width of the frame, and serves for guiding the ob
turns on pin 25, is supported through a short leg on frame
ject 4 to be sliced, which in FIGS. 1 and 2 is indicated
by dash-and-dot lines. The platform 2 and the guiding
face formed on web 3 are parallel to the axis ‘5 (FIG. 1)
of a hollow cylindrical frame portion =1b (FIG. 3) which
at one end is stepwise enlarged. At its front side, frame
1 has a projecting tail 10 on the left end (FIGS. 1 and 2,)
45
portion 1;‘ and is engaged through its long leg in a hole
provided in link 26‘.
In the drawing, swing arm 7 with plate 18 connected
thereto is shown in one of its terminal positions in which
it abuts against a bumper 43 made of rubber or the like
and inserted in frame portion 1]‘. From this position, the
for widening its base. The major portion of the front
members 7 and .18 as a unit may be swung counterclock
wall or end face 1a’ respectively of the supporting frame
wise (FIG. 1) through about 55° by actuating the handle
extends at right angles to platform 2, web 3 and axis 5.
18b, 24 until plate 18 comes to rest on a bumper 44 in
In the hollow cylindrical frame portion 1b is ?tted a
thin-walled metallic bushing 9 in which is rotatably 55 serted in frame portion 10. The exposed portion of knife
edge 14, i.e. the portion which is not covered by arm 7,
mounted a hollow shaft ‘6 (FIG. 3) made of brass for
moves in front of the space situated above platform 2,
example. On that end of shaft 6 which projects from
which space is partly occupied by the object 4. Pin 27 on
the front of the supporting frame, is ?xed the portion 7a
which toothed segment 28 is turnable travels with swing
of a swing arm 7 which is adjacent to the frame. The
rear end of the hollow shaft 6 is provided with an ex
terior annular groove in which is inserted a spring ring
8 which abuts against the rear end of bushing 9 and there
by prevents shaft ‘6 from moving forwardly.
arm 7.
Since one end portion of segment 28 is connected
60 to the supporting frame through link 26, the segment has
to turn on pin 27.
Such turning movement is transmitted
through pin-ion ,112 to cutting disk 13 which, therefore,
performs a movement of about one and a third revolution
A pinion 12 is rotatably mounted on swing arm 7 by
means of a pivot or pin 10 which has a head 10a and 65 in the sense of arrow A (FIG. 1) about its bearing pin
10 when the members 7, 18 are swung counterclockwise
is secured in place by a nut 11 screwed thereon. To
pinion '12 is secured a coaxial cutting disk 13‘ by means
of countersunk rivets 41, and the cutting edge 14‘ of said
‘through 55° for the cutting stroke. When said members
7, 18 are swung back, the cutting disk 13 is turned back
through the same angle. The actuating arm 18b, 24 is
moved downwardly during a cutting stroke and upwardly
disk is formed as shown in FIG. 1. Disk 13‘ is slidably
supported on a plurality of studs 15 inserted in swing arm
70 during a return stroke, and not in a horizontal direction,
7. The latter covers the greater part of the cutting disk
which will assist in avoiding undesirable movements of
13‘, and at the point where the cut-off slices are stripped
the slicer on the table top. Furthermore, the force to be
it has on the front side a recessed frustro-conical face 16.
3,099,305
4
3
exerted on the actuating arm 18b, .24 for swinging same
back is substantially reduced by spring 42 which tends
to turn link 26 clockwise (FIG. 1) about pin 25, and the
tension of which is increased during downward cutting
strokes.
- The objects 4 to be out are fed by hand towards the
for an object to be sliced; a hollow shaft rotatably mount
ed on said vframe; a swing arm ?xedly secured to said hol
low shaft; a cutting disc turnably mounted on said swing
arm; a pin passing through said hollow shaft in coaxial
relationship and being turnable and axially shiftable in the
same, said pin having at one end ‘a thicker portion pro
jecting from said hollow shaft in the region of said swing
abutment face 19 of plate 18. The operator actuates the
arm 18b, 24 with his right hand and at the same time puts , arm and at the other end a thinner threaded portion;
spring means located in said hollow shaft abutting the
the thumb of his left hand on web 3 while the other ?ngers
same and said thicker portion of said pin for urging said
of his left hand bear down directly on the rear end of the
pin to move in axial direction out of said hollow shaft;
goods or objects 4. As soon as only little is left of the
and manually operated nut means threaded on said thread
goods, the operator swings a slider 32 (which so far has
, ed portion and abutting said hollow shaft for limiting
not been used) away from its rest position shown in FIG. 1
movement of said pin under the action of said spring; a
by dash-and-dot lines, about a bar 31 which is parallel
to the axis of rotation 5 and is held retractable in projec 15 gauge plate ?xedly secured to said projecting portion of
said pin so that the distance between said gauge plate and
tions 1e of frame 1, the slider 32 being moved to the posi
said cutting disc can be adjusted by operation of said nut
tion of use shown in FIG. 1 by dash lines and in FIGS. 2
means; and connecting means for connecting said gauge
and 3 by solid lines. The operator may now urge the re
plate with said swing arm for turning movement about
mainder of the goods towards the abutment face 19 by
means of slider 32. In the position of use, slider 32 rests 20 said axis and ‘for relative movement in axial direction so
that the axial spacing between said disc and said gauge
on the upper edge of web 3 across its entire width.
plate can be adjusted at a point spaced from said cutting
What I claim as new and desire to secure by Letters
region, said swing arm, and said cutting disk.
Patent is:
3. A food slicer as set forth in claim 2 and including a
1. In a food slicer, in combination, a stationary sup
porting frame having a platform having a cutting region 25 manually operated member ?xedly connected to said
gauge plate so that by operation of said manually operated
for an object to be sliced; a hollow shaft rotatably
mounted on said frame; a swing arm ?xedly secured to
said hollow shaft; a cutting disc turnably mounted on said
swing arm; a pin passing through said hollow shaft in co
member said gauge plate and said swing arm with said
cutting disc are moved toward said platform; and drive
means operatively connecting said cutting disc ‘with said
axial relationship and being turnable and axially shiftable 30 frame and operated by movement of said swing arm rela
tiVe to said frame to effect rotation of said cutting disc
in the same, said pin having one end portion projecting
‘during movement of said swing arm toward said platform.
from said hollow shaft in the region of said swing arm;
a gauge plate ?xedly secured to said projecting portion of
References Cited in the ?le of this patent
said pin; manually operated means mounted on said frame
and located at the other end portion of said pin for 35
UNITED STATES PATENTS
axially shifting said pin in said hollow shaft for adjusting
the distance between said gauge plate and said cutting
disc; and connecting means for connecting said gauge
plate with said swing arm for turning movement about
said axis and for relative movement in axial direction so 40
that the axial spacing between asid disc and said guage
plate can be adjusted at a point spaced from said cutting
970,680
2,119,660
2,224,557
2,286,648
2,851,074
2,901,014
region, said swing arm, and said cutting disk.
2. In a food slicer, in combination, a stationary sup
porting frame having a platform having a cutting region 45
Burkhardt ____________ __ Sept. 20,
Varley ______________ __ June 7,
Van Berkel __________ __ Dec. 10‘,
Rogers _____________ __ June 16,
1910
1938
1940
1942
Talge et al. __________ __ Sept. 9, 1958
Coons et al. _________ __ Aug. 25, 1959
FOREIGN PATENTS
17,581
Great Britain ________________ __ 1903
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