CA2282574A1 - Electric citrus fruit cutting device - Google Patents
Electric citrus fruit cutting device Download PDFInfo
- Publication number
- CA2282574A1 CA2282574A1 CA002282574A CA2282574A CA2282574A1 CA 2282574 A1 CA2282574 A1 CA 2282574A1 CA 002282574 A CA002282574 A CA 002282574A CA 2282574 A CA2282574 A CA 2282574A CA 2282574 A1 CA2282574 A1 CA 2282574A1
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- CA
- Canada
- Prior art keywords
- fruit
- container
- segmenting
- deriding
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J17/00—Household peeling, stringing, or paring implements or machines
- A47J17/14—Machines for peeling
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N1/00—Machines or apparatus for extracting juice
- A23N1/003—Machines or apparatus for extracting juice especially for citrus fruits
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N1/00—Machines or apparatus for extracting juice
- A23N1/02—Machines or apparatus for extracting juice combined with disintegrating or cutting
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
- A47J19/02—Citrus fruit squeezers; Other fruit juice extracting devices
- A47J19/023—Citrus fruit squeezers; Other fruit juice extracting devices including a pressing cone or reamer
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J42/00—Coffee mills; Spice mills
- A47J42/38—Parts or details
- A47J42/56—Safety devices
Abstract
An electric cutting device is provided for segmenting and derinding a half section of a citrus fruit in order to collect pulp segments thereof. This device has a base made of a housing in which is mounted an electric motor with a driving shaft, and of an upwardly opened container for receiving the pulp segments of the fruit.
The device also has a fruit segmenting member sized and shaped to fit into and be supported by the top portion of the container. This fruit segmenting member includes a set of arcuate knives upwardly projecting from a ring and converging toward a common apex.
The fruit segmenting member forms a generally semi-spherical open frame on which the half section of the fruit can be applied and pressed down in order to segment radially fruit to form the requested pulp segments. The device further has a fruit derinding member sized and shaped to fit into the container below the fruit segmenting member.
The fruit derinding member includes one or more arcuate blades upwardly projecting from a blade support. Each blade shaped, sized and connected onto the blade support in such a manner to extend contiguously to any one of the arcuate knives of the fruit segmenting member when the fruit segmenting member is fitted onto the base with the fruit derinding member in between. The blade support is connected to the driving shaft of the electric motor when the fruit derinding member is fitted into the container. As a result, the motor may rotate the fruit derinding member within the container below the fruit segmenting member and causes the blade(s) to derind the pulp segments from the fruit pressed down on the fruit segmenting member. The so derinded segments fall down into the container for collection.
The device also has a fruit segmenting member sized and shaped to fit into and be supported by the top portion of the container. This fruit segmenting member includes a set of arcuate knives upwardly projecting from a ring and converging toward a common apex.
The fruit segmenting member forms a generally semi-spherical open frame on which the half section of the fruit can be applied and pressed down in order to segment radially fruit to form the requested pulp segments. The device further has a fruit derinding member sized and shaped to fit into the container below the fruit segmenting member.
The fruit derinding member includes one or more arcuate blades upwardly projecting from a blade support. Each blade shaped, sized and connected onto the blade support in such a manner to extend contiguously to any one of the arcuate knives of the fruit segmenting member when the fruit segmenting member is fitted onto the base with the fruit derinding member in between. The blade support is connected to the driving shaft of the electric motor when the fruit derinding member is fitted into the container. As a result, the motor may rotate the fruit derinding member within the container below the fruit segmenting member and causes the blade(s) to derind the pulp segments from the fruit pressed down on the fruit segmenting member. The so derinded segments fall down into the container for collection.
Description
ELECTRIC CITRUS FRUIT CUTTING DEVICE
BACKGROUND OF THE INVENTION
a) Field of the invention The present invention relates to an electric cutting device for use to separate the pulp from the skin of citrus fruits, such as grapefruits, limes, lemons, cumquats, tangerines, oranges and the like.
b) Brief description of the prior art As is known, citrus fruits are generally spherical in shape and includes an inner part made of an edible pulp and an outer part made of a semi-rigid skin. When cut in half, the fruit has its pulp which defines a plurality of sector shaped segments each consisting of an edible soft part lodged into a cavity called the lith, and two opposite semi-rigid fiber partitions. The fiber partitions extend radially from a central fibrous portion up to the outer skin or rind. Seeds or "pips" are often lodged into the lith.
Special knives are provided for cutting the edible part of the pulp from citrus fruits. These knives have a blade that is curved to follow the contour of the skin and they need some manual dexterity to derind the pulp, i.e. scrape the pulp only about its interface with the skin.
Other tools also exist, which consist of a semi-spherical open frame made of cutting knives which can be hand-pressed onto a half fruit to crush its pulp. The liquid solution which is so obtained, is then collected and can be filtered to reject the seeds and larger fiber portions prior to drinking.
In U.S. patent No. 4,959,903 granted on October 2, 1990 to the present inventors, a cutting device is disclosed, which solves most of the problems of the existing tools, especially with respect to their complexity of use and efficiency in properly separating and collecting all the edible part of the fruits. This device which is presently sold worldwide under the trademark STARFRITlCITR US EXPRESS, basically comprises:
BACKGROUND OF THE INVENTION
a) Field of the invention The present invention relates to an electric cutting device for use to separate the pulp from the skin of citrus fruits, such as grapefruits, limes, lemons, cumquats, tangerines, oranges and the like.
b) Brief description of the prior art As is known, citrus fruits are generally spherical in shape and includes an inner part made of an edible pulp and an outer part made of a semi-rigid skin. When cut in half, the fruit has its pulp which defines a plurality of sector shaped segments each consisting of an edible soft part lodged into a cavity called the lith, and two opposite semi-rigid fiber partitions. The fiber partitions extend radially from a central fibrous portion up to the outer skin or rind. Seeds or "pips" are often lodged into the lith.
Special knives are provided for cutting the edible part of the pulp from citrus fruits. These knives have a blade that is curved to follow the contour of the skin and they need some manual dexterity to derind the pulp, i.e. scrape the pulp only about its interface with the skin.
Other tools also exist, which consist of a semi-spherical open frame made of cutting knives which can be hand-pressed onto a half fruit to crush its pulp. The liquid solution which is so obtained, is then collected and can be filtered to reject the seeds and larger fiber portions prior to drinking.
In U.S. patent No. 4,959,903 granted on October 2, 1990 to the present inventors, a cutting device is disclosed, which solves most of the problems of the existing tools, especially with respect to their complexity of use and efficiency in properly separating and collecting all the edible part of the fruits. This device which is presently sold worldwide under the trademark STARFRITlCITR US EXPRESS, basically comprises:
- an upwardly opened container for receiving pulp segments of the fruit;
- a fruit deriding member sized and shaped to fit on top of the container;
- a fruit segmenting member sized and shaped to fit above the fruit deriding member on top of the container; and - an inverted cup-shaped cover sized and shaped to cover the half section of the fruit.
The fruit segmenting member comprises a ring which is freely mounted on top of the fruit deriding member in use. It also comprises a set of arcuate knives upwardly projecting from the ring. The knives are spaced apart and converge towards a common apex where they are connected to each other. The knives have radially projecting edges extending from the ring up to the common apex and form, together with the ring a generally semi-spherical open frame on which a half section of a fruit can be applied and pressed down with the cover in order to segment radially the fruit to form a number of pulp segments corresponding to the number of the knife.
The fruit deriding member comprises another ring and at least one arcuate blade upwardly projecting from the other ring. This arcuate blade has a peripherally projecting edge and is shaped, sized and connected onto another ring in such a manner to extend contiguously to any one of the arcuate knives of the fruit segmenting member when the fruit segment member is fitted on top of the base with the fruit deriding member in between.
In use, the flat face of the half fruit is applied directly onto the fruit segmenting member and manually pressed down with the cup-shaped cover in order to segment radially the fruit into a plurality of pulp segments. Then, the cover, the fruit and the fruit segmenting member are manually turned in unison on top of the fruit deriding member and the container, whereby the blades) of the fruit deriding member peels the pulp segment out from the skin. After having been cut, the so-peeled segments fall into the container where they can be recovered.
This cutting device is simple to handle and very efficient in use.
However, it still needs some strength to grasp the cover and rotate it with the fruit and the fruit segmenting member on top of the fruit deriding member and container.
- a fruit deriding member sized and shaped to fit on top of the container;
- a fruit segmenting member sized and shaped to fit above the fruit deriding member on top of the container; and - an inverted cup-shaped cover sized and shaped to cover the half section of the fruit.
The fruit segmenting member comprises a ring which is freely mounted on top of the fruit deriding member in use. It also comprises a set of arcuate knives upwardly projecting from the ring. The knives are spaced apart and converge towards a common apex where they are connected to each other. The knives have radially projecting edges extending from the ring up to the common apex and form, together with the ring a generally semi-spherical open frame on which a half section of a fruit can be applied and pressed down with the cover in order to segment radially the fruit to form a number of pulp segments corresponding to the number of the knife.
The fruit deriding member comprises another ring and at least one arcuate blade upwardly projecting from the other ring. This arcuate blade has a peripherally projecting edge and is shaped, sized and connected onto another ring in such a manner to extend contiguously to any one of the arcuate knives of the fruit segmenting member when the fruit segment member is fitted on top of the base with the fruit deriding member in between.
In use, the flat face of the half fruit is applied directly onto the fruit segmenting member and manually pressed down with the cup-shaped cover in order to segment radially the fruit into a plurality of pulp segments. Then, the cover, the fruit and the fruit segmenting member are manually turned in unison on top of the fruit deriding member and the container, whereby the blades) of the fruit deriding member peels the pulp segment out from the skin. After having been cut, the so-peeled segments fall into the container where they can be recovered.
This cutting device is simple to handle and very efficient in use.
However, it still needs some strength to grasp the cover and rotate it with the fruit and the fruit segmenting member on top of the fruit deriding member and container.
SUMMARY OF THE INVENTION
The object of the present invention is to provide a citrus fruit cutting device which is of the same type disclosed in the above-mentioned U.S. patent, but which is motorized, thereby making it much easier to use.
More particularly, the object of the invention is to provide an electric cutting device for segmenting and deriding a half section of a citrus fruit in order to collect pulp segments thereof, which device comprises:
a) a base adapted to be positioned on a horizontal surface, the base comprising:
- a housing in which is mounted an electric motor with a driving shaft, and - an upwardly opened container for receiving the pulp segments of the fruit, the container having a top portion acting as a supporting means;
b) a fruit segmenting member sized and shaped to fit into and be supported by the top portion of the container, the fruit supporting member comprising:
- a ring, and - a set of arcuate knives upwardly projecting from the ring, the knives being spaced apart and converging toward a common apex, the knives being connected to each other at the common apex and having radially projecting edges extending from the ring up to the common apex, the fruit segmenting member forming a generally semi-spherical open frame on which the half section of the fruit can be applied and pressed down in order to segment radially fruit to form the requested pulp segments;
c) locking means on the container and the fruit segmenting member to prevent rotation of the fruit segmenting member with respect to the container once fitted into each other;
d) a fruit derinding member sized and shaped to fit into the container below the fruit segmenting member, the fruit derinding member comprising:
- a blade support, and - at least one arcuate blade upwardly projecting from the blade support, said at least one blade having a peripherally projecting edge and being shaped, sized and connected onto the blade support in such a manner to extend contiguously to any one of the arcuate knives from the ring of the fruit segmenting member up to the common apex when the fruit segment member is fitted onto the base with the fruit derinding member in between, e) connecting means to operatively connect the blade support to the driving shaft of the electric motor when the fruit derinding member is fitted into the container;
f) an inverted cup-shaped cover sized and shaped to cover the half section of the fruit and to help in applying and pressing down the half section of the citrus fruit on the fruit segmenting member;
g) control means connected to the electric motor for actuating the same and rotating the fruit deriding member within the container below the fruit segmenting member, said control means being devised to cause said at least one arcuate blade of the fruit deriding member to stop just below one of the arcuate knives when the motor is stopped; and h) safety means for preventing the electric motor from being actuated by the control means as long as the inverted cup-shaped cover is not pressed down on the half section of the citrus fruit.
In use, the motor when actuated, rotates the fruit derinding member within the container below the fruit segmenting member and causes the blades) of the fruit derinding member to derind the pulp segments from the fruit pressed down on the fruit segmenting member so that the so derinded pulp segments may fall down into the container for collection.
This device may taken different forms, as will be explained hereinafter.
In all cases, it is very simple to handle and efficient in use, even by people of low strength.
The invention and its advantages will be better understood upon reading the following non-restrictive description of several preferred embodiments thereof made with reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is an exploded perspective view of a cutting device according to a first preferred embodiment of the invention;
The object of the present invention is to provide a citrus fruit cutting device which is of the same type disclosed in the above-mentioned U.S. patent, but which is motorized, thereby making it much easier to use.
More particularly, the object of the invention is to provide an electric cutting device for segmenting and deriding a half section of a citrus fruit in order to collect pulp segments thereof, which device comprises:
a) a base adapted to be positioned on a horizontal surface, the base comprising:
- a housing in which is mounted an electric motor with a driving shaft, and - an upwardly opened container for receiving the pulp segments of the fruit, the container having a top portion acting as a supporting means;
b) a fruit segmenting member sized and shaped to fit into and be supported by the top portion of the container, the fruit supporting member comprising:
- a ring, and - a set of arcuate knives upwardly projecting from the ring, the knives being spaced apart and converging toward a common apex, the knives being connected to each other at the common apex and having radially projecting edges extending from the ring up to the common apex, the fruit segmenting member forming a generally semi-spherical open frame on which the half section of the fruit can be applied and pressed down in order to segment radially fruit to form the requested pulp segments;
c) locking means on the container and the fruit segmenting member to prevent rotation of the fruit segmenting member with respect to the container once fitted into each other;
d) a fruit derinding member sized and shaped to fit into the container below the fruit segmenting member, the fruit derinding member comprising:
- a blade support, and - at least one arcuate blade upwardly projecting from the blade support, said at least one blade having a peripherally projecting edge and being shaped, sized and connected onto the blade support in such a manner to extend contiguously to any one of the arcuate knives from the ring of the fruit segmenting member up to the common apex when the fruit segment member is fitted onto the base with the fruit derinding member in between, e) connecting means to operatively connect the blade support to the driving shaft of the electric motor when the fruit derinding member is fitted into the container;
f) an inverted cup-shaped cover sized and shaped to cover the half section of the fruit and to help in applying and pressing down the half section of the citrus fruit on the fruit segmenting member;
g) control means connected to the electric motor for actuating the same and rotating the fruit deriding member within the container below the fruit segmenting member, said control means being devised to cause said at least one arcuate blade of the fruit deriding member to stop just below one of the arcuate knives when the motor is stopped; and h) safety means for preventing the electric motor from being actuated by the control means as long as the inverted cup-shaped cover is not pressed down on the half section of the citrus fruit.
In use, the motor when actuated, rotates the fruit derinding member within the container below the fruit segmenting member and causes the blades) of the fruit derinding member to derind the pulp segments from the fruit pressed down on the fruit segmenting member so that the so derinded pulp segments may fall down into the container for collection.
This device may taken different forms, as will be explained hereinafter.
In all cases, it is very simple to handle and efficient in use, even by people of low strength.
The invention and its advantages will be better understood upon reading the following non-restrictive description of several preferred embodiments thereof made with reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is an exploded perspective view of a cutting device according to a first preferred embodiment of the invention;
5 Fig. 2 is an exploded perspective view of a cutting device according to a second preferred embodiment of the invention;
Fig. 3 is a perspective view of the fruit derinding member of a variant of the second preferred embodiment of the invention shown in Fig. 2;
Fig. 4 is an exploded perspective view of a cutting device according to a third preferred embodiment of the invention;
Fig. 5 is a partial cross-section view taken along lines V-V of the cutting device shown in Fig. 4, when assembled; and Fig. 6 appearing on the same sheet of drawings as Fig. 3 is a perspective view of a cylindrical cutter that can be used as an auxiliary tool to cut and remove the central fibrous portion of the half fruit prior to processing the same; and Fig. 7 is a side elevational view of a fruit segmenting member of optimized configuration, that could be used in the cutting device according to the invention.
DESCRIPTION OF SEVERAL PREFERRED EMBODIMENTS
Fig. 1 shows an electric cutting device 1 according to a first preferred embodiment of the invention. This device 1 is intended to be used for segmenting and derinding a half section of a citrus fruit in order to collect pulp segments thereof.
The device 1 comprises a base 3 adapted to be positioned on a horizontal surface, such as a kitchen table or counter. The base 3 includes a housing 5 in which is mounted an electric motor with a driving shaft (not shown). The motor can be connected by a wire 7 to an electric source (not shown) and then actuated a control means including by a switch 9. The base also comprises an upwardly opened container 11 extending on top of the housing 5. This container is integral to the housing, and used for receiving the pulp segments of the fruit when the same is derinded. The container 11 includes an inner step 13 made in its top portion, which acts as a supporting means as will be explained hereinafter.
The device 1 also comprises a fruit segmenting member 15 sized and shaped to fit into the container 11 and be supported by the inner step 13 made in the top portion of it. The fruit supporting member 15 includes a ring 17 and a set of arcuate knives 19 upwardly projecting from the ring. The knives 19 are equally spaced apart and converge toward a common apex 21, where they are all connected to each other.
The knives 19 have radially projecting edges 23 extending from the ring 17 up to the common apex 21.
As can be seen, the fruit segmenting member 15 forms a generally semi-spherical open frame on which the half section of the fruit to be segmented can be applied and pressed down in order to segment it radially to form pulp segments.
The shape and configuration of the fruit segmenting member 15 can be very conventional, as shown in Figs. 1, 2 and 4. However, these shape and configuration can be optimized whenever such is required, in particular for the purpose of accommodating any kind of citrus fruits, whatever be their size. Fig. 7 is illustrative of such an optimization. As can be seen, the fruit segmenting member 15 is more ovoid in shape than semi-spherical. It has a height H of 4" and a diameter "D" at the bottom of 4" also. Its upper part is sized to receive standard orange with a diameter of up to 2 1/4".
Its medium part is sized to receive large oranges or small grapefruits with a diameter of up 3 1/2". Its bottom part is sized to receive large grapefruits with a diameter of up to 4".
Locking means are mounted both on the container 11 and the fruit segmenting member 15 to prevent rotation of the fruit supporting member with respect to the container once they are fitted into each other. In the illustrated embodiment, these locking means include a pair of tongues 25 projecting radially outwardly from the ring 17 and a corresponding set of grooves 27 made in the inner wall of the container 11, above the inner step 13. Of course, any other kind of locking means could alternatively be used. By way of example, the tongues could be made in the container and the grooves in the ring.
The cutting device 1 further comprises a fruit derinding member 29 mounted into the container 11 below the fruit segmenting member 15. In this embodiment, the fruit derinding member 29 includes a blade support 31 in the form of an horizontal arm having one end adjacent to the inner wall of the container 11 from which an arcuate blade 33 upwardly projects. The blade 33 has peripherally projecting edges and is shaped, sized and connected onto the blade support 31 in such a manner to extend contiguously to any one of the arcuate knives 19 from the fruit segmenting member from the ring 17 of it up to the common apex 21 of the same, when the fruit segmenting member is fitted into the container 11 of the base 3.
Connecting means are provided to operatively connect the blade support 31 to the driving shaft of the electric motor. In this embodiment, the connecting means includes a vertical rod (not shown) extending within a central sleeve 35 provided in the container 11. This vertical rod has its bottom end operatively connected to the driving shaft of the electric motor and its top end rigidly connected to the other end 37 of the blade support 31.
The cutting device 1 further comprises an inverted cup-shaped cover 39 sized and shaped to cover the half section of the fruit and to help in applying and pressing down this half section on the fruit segmenting member 15.
Control means are connected to the electric motor for actuating the same and rotating the fruit deriding member (29) within the container below the fruit segmenting member 15. These control means are devised to cause the arcuate blades) 33 of the fruit deriding member 29 to stop just below one of the arcuate knives 19 when the motor is stopped, thereby making the installation and pressing of the next fruit easy to carry out.
Safety means are also provided for preventing the electric motor from being actuated by the control means as long as the inverted cup-shaped cover 39 is not pressed down on the half section of the citrus fruit. This prevents inadvertent operation of the fruit deriding member 29, which could accidentally hurt an unwise user.
In use, the fruit segmenting member 15 is first inserted into the container 1 l and laid down onto the inner step 13 of the same. The blade support 31 of the fruit derinding member is then manually moved in order to position the blade 33 just below one of the knives 19. After having cut the fruit in half, the flat face of one of the so-obtained half fruits is applied onto the fruit segmenting member 15 and manually pressed down onto the same in order to segment radially the fruit into a number of segments corresponding to number of knives 19. To facilitate such a pressing, use can be made of the cup-shaped cover 39. Use can also be made of an auxiliary cylindrical cutter 41 as shown in Fig. 6, which can be pressed down onto the "axis" of the half fruit from the top of the same in order to cut and remove the central fibrous portion of this half fruit prior to processing the same.
After pressing of the half fruit, the motor can be actuated by the switch 9. As soon as it is actuated, the motor rotates the blade support 31 of the fruit derinding member 29 and causes the blade 33 of the same to derind the pulp segments from the half fruit pressed down on the fruit segmenting member 15. The so derinded pulp segments fall down into the container 11 and can be collected in it.
As aforesaid, safety means are provided for preventing the electric motor from being actuated by the control mans as long as the inverted cup-shaped cover is not pressed down on the half section of the citrus fruit.
Fig. 2 shows an electric cutting device 101 according to a second preferred embodiment of the invention. To identify the components of this second embodiment, the same numeral references as above have been used, with a distinguishing one hundred (100) digit.
The cutting device 101 comprises a base 103 including a hollow housing 105 in which is mounted an electric motor, and a container 111. In contrast with the first preferred embodiment, the container 111 is detachably mounted onto the housing 105, thereby making the handling and maintenance of the device much simpler to carry out.
Advantageously, external handles 106, 112 are provided on both the housing and container.
The cutting device 101 also comprises a fruit segmenting member 115 of substantially the same structure as the one of the first embodiment, except that it is devised to seat onto the top edge of the container 111 rather than on an inner step made in the same.
The cutting device 101 further comprises a fruit derinding member 129 including a blade support in the form of a ring 131 sized and shaped to fit inside the container 111 and be "guided" by the inner wall of the same. The fruit derinding member 129 also includes two blades 133, 133' which are connected in radially opposite positions onto the ring 131 and have upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit supporting member 115.
Once again, connecting means are provided to operatively connect the fruit derinding member 129 to the motor. These connecting means include a vertical rod 136 operatively connected to the driving shaft of the electric motor. The rod 136 extends within a central sleeve 135 provided in the container 111 and has an upper key-shaped end high enough to reach and operatively engage a key-shaped cap 134 rigidly attached to the connected upper ends of the blades 133 of the fruit derinding member 129 in order to rotate the same.
Of course, the cutting device 101 may also comprise a cup-shaped cover 139 and be sold with the cylindrical cutter 41 as an auxiliary tool.
The cutter device 101 can be used and operated in the very way as the cutter device 1. After assembly and proper positioning of the blades 133, 133' under two corresponding knives of the fruit segmenting member 115 for the purpose of protecting them while the half fruit is pressed down, the half fruit may be installed and processed to collect its pulp within the container 111.
Instead of being devised as shown in Fig. 2, the fruit derinding member 129 of the cutter device 1 O1 could be devised as shown in Fig. 3. In addition to the ring 131, the blade support of this member 129 incudes a horizontal arm 131' extending diametrically within the ring 131. The blades 133, 133' project form the ring 131 and have their upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit supporting member 115.
In this variant, the connecting means also includes the vertical rod 136 operatively connected to the driving shaft of the electric motor. However, the rod 136 is shorter in height. As a matter of fact, its upper key-shaped end is positioned to reach and operatively engage a key-shaped opening 134' centrally made in the horizontal arm 131' of the fruit derinding member 129 so as to rotate the same.
Figs. 4 and 5 show an electric cutter device 201 according to a third preferred embodiment of the invention. Once again, the same numeral references have been used to identify the same components, with a distinguishing two hundred (200) digit.
The cutting device 201 includes a base 203 of the same shape and structure a the base 3. The base 203 includes a housing 205 in which is located an electric motor 206, and a container 211.
The cutting device 201 also includes a fruit segmenting member 229 and 5 a cup-shaped cover (not shown) of the very same shape and structure as those numbered 29 and 39, respectively.
A first difference lies in the shape of the fruit deriding member 229, which includes a blade support in the form of another ring 231 on which two arcuate blades 233, 233' are connected in radially opposite positions. These blades have their 10 upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit segmenting member 215.
A second difference lies in the structure of the connecting means which includes a togged wheel 241 connected to the driving shaft 243 of the electric motor 206 by means of a set of gears 245. The togged wheel 241 is mounted in such a manner as to extend adj acent to the ring 231 of the fruit segmenting member 229 and to engage teeth 247 provided all around the bottom of the ring in order to rotate the same with the blades 233, 233' connected thereto when the fruit segmenting member 229 is fitted into the container 211.
The top portion of the container has a set of grooves 227 whose bottom ends 213 form a first inner step and act as support means for the fruit segmenting member 215. The container also has a second inner step 249 below the first inner step to support the fruit deriding member 229.
The cutting device 201 works in the same way as the devices 1 and/or 101.
Of course, numerous modifications could be made to the cutting devices disclosed hereinabove without departing from the scope of the present invention. Thus, by way of examples, the base 3 and 203 of the cutter devices l and 201 could be made of two separate parts, like the one of the cutter device 101. Similarly, the fruit deriding members 129 and 229 of the cuter devices 1 O 1 and 201 could comprise only one blade like the one of the cutter device 1. They could also comprise more than two blades, provided however that they be positioned in such a manner as to be hidden and therefore "protected" by the knives of the fruit segmenting member during the pressing of the half fruit. In the third embodiment shown in Figs. 4 and 5, the cogged wheel 241 could have a vertical axis instead of an horizontal one and be positioned to engage radial teeth made on lateral periphery of the ring 231.
Fig. 3 is a perspective view of the fruit derinding member of a variant of the second preferred embodiment of the invention shown in Fig. 2;
Fig. 4 is an exploded perspective view of a cutting device according to a third preferred embodiment of the invention;
Fig. 5 is a partial cross-section view taken along lines V-V of the cutting device shown in Fig. 4, when assembled; and Fig. 6 appearing on the same sheet of drawings as Fig. 3 is a perspective view of a cylindrical cutter that can be used as an auxiliary tool to cut and remove the central fibrous portion of the half fruit prior to processing the same; and Fig. 7 is a side elevational view of a fruit segmenting member of optimized configuration, that could be used in the cutting device according to the invention.
DESCRIPTION OF SEVERAL PREFERRED EMBODIMENTS
Fig. 1 shows an electric cutting device 1 according to a first preferred embodiment of the invention. This device 1 is intended to be used for segmenting and derinding a half section of a citrus fruit in order to collect pulp segments thereof.
The device 1 comprises a base 3 adapted to be positioned on a horizontal surface, such as a kitchen table or counter. The base 3 includes a housing 5 in which is mounted an electric motor with a driving shaft (not shown). The motor can be connected by a wire 7 to an electric source (not shown) and then actuated a control means including by a switch 9. The base also comprises an upwardly opened container 11 extending on top of the housing 5. This container is integral to the housing, and used for receiving the pulp segments of the fruit when the same is derinded. The container 11 includes an inner step 13 made in its top portion, which acts as a supporting means as will be explained hereinafter.
The device 1 also comprises a fruit segmenting member 15 sized and shaped to fit into the container 11 and be supported by the inner step 13 made in the top portion of it. The fruit supporting member 15 includes a ring 17 and a set of arcuate knives 19 upwardly projecting from the ring. The knives 19 are equally spaced apart and converge toward a common apex 21, where they are all connected to each other.
The knives 19 have radially projecting edges 23 extending from the ring 17 up to the common apex 21.
As can be seen, the fruit segmenting member 15 forms a generally semi-spherical open frame on which the half section of the fruit to be segmented can be applied and pressed down in order to segment it radially to form pulp segments.
The shape and configuration of the fruit segmenting member 15 can be very conventional, as shown in Figs. 1, 2 and 4. However, these shape and configuration can be optimized whenever such is required, in particular for the purpose of accommodating any kind of citrus fruits, whatever be their size. Fig. 7 is illustrative of such an optimization. As can be seen, the fruit segmenting member 15 is more ovoid in shape than semi-spherical. It has a height H of 4" and a diameter "D" at the bottom of 4" also. Its upper part is sized to receive standard orange with a diameter of up to 2 1/4".
Its medium part is sized to receive large oranges or small grapefruits with a diameter of up 3 1/2". Its bottom part is sized to receive large grapefruits with a diameter of up to 4".
Locking means are mounted both on the container 11 and the fruit segmenting member 15 to prevent rotation of the fruit supporting member with respect to the container once they are fitted into each other. In the illustrated embodiment, these locking means include a pair of tongues 25 projecting radially outwardly from the ring 17 and a corresponding set of grooves 27 made in the inner wall of the container 11, above the inner step 13. Of course, any other kind of locking means could alternatively be used. By way of example, the tongues could be made in the container and the grooves in the ring.
The cutting device 1 further comprises a fruit derinding member 29 mounted into the container 11 below the fruit segmenting member 15. In this embodiment, the fruit derinding member 29 includes a blade support 31 in the form of an horizontal arm having one end adjacent to the inner wall of the container 11 from which an arcuate blade 33 upwardly projects. The blade 33 has peripherally projecting edges and is shaped, sized and connected onto the blade support 31 in such a manner to extend contiguously to any one of the arcuate knives 19 from the fruit segmenting member from the ring 17 of it up to the common apex 21 of the same, when the fruit segmenting member is fitted into the container 11 of the base 3.
Connecting means are provided to operatively connect the blade support 31 to the driving shaft of the electric motor. In this embodiment, the connecting means includes a vertical rod (not shown) extending within a central sleeve 35 provided in the container 11. This vertical rod has its bottom end operatively connected to the driving shaft of the electric motor and its top end rigidly connected to the other end 37 of the blade support 31.
The cutting device 1 further comprises an inverted cup-shaped cover 39 sized and shaped to cover the half section of the fruit and to help in applying and pressing down this half section on the fruit segmenting member 15.
Control means are connected to the electric motor for actuating the same and rotating the fruit deriding member (29) within the container below the fruit segmenting member 15. These control means are devised to cause the arcuate blades) 33 of the fruit deriding member 29 to stop just below one of the arcuate knives 19 when the motor is stopped, thereby making the installation and pressing of the next fruit easy to carry out.
Safety means are also provided for preventing the electric motor from being actuated by the control means as long as the inverted cup-shaped cover 39 is not pressed down on the half section of the citrus fruit. This prevents inadvertent operation of the fruit deriding member 29, which could accidentally hurt an unwise user.
In use, the fruit segmenting member 15 is first inserted into the container 1 l and laid down onto the inner step 13 of the same. The blade support 31 of the fruit derinding member is then manually moved in order to position the blade 33 just below one of the knives 19. After having cut the fruit in half, the flat face of one of the so-obtained half fruits is applied onto the fruit segmenting member 15 and manually pressed down onto the same in order to segment radially the fruit into a number of segments corresponding to number of knives 19. To facilitate such a pressing, use can be made of the cup-shaped cover 39. Use can also be made of an auxiliary cylindrical cutter 41 as shown in Fig. 6, which can be pressed down onto the "axis" of the half fruit from the top of the same in order to cut and remove the central fibrous portion of this half fruit prior to processing the same.
After pressing of the half fruit, the motor can be actuated by the switch 9. As soon as it is actuated, the motor rotates the blade support 31 of the fruit derinding member 29 and causes the blade 33 of the same to derind the pulp segments from the half fruit pressed down on the fruit segmenting member 15. The so derinded pulp segments fall down into the container 11 and can be collected in it.
As aforesaid, safety means are provided for preventing the electric motor from being actuated by the control mans as long as the inverted cup-shaped cover is not pressed down on the half section of the citrus fruit.
Fig. 2 shows an electric cutting device 101 according to a second preferred embodiment of the invention. To identify the components of this second embodiment, the same numeral references as above have been used, with a distinguishing one hundred (100) digit.
The cutting device 101 comprises a base 103 including a hollow housing 105 in which is mounted an electric motor, and a container 111. In contrast with the first preferred embodiment, the container 111 is detachably mounted onto the housing 105, thereby making the handling and maintenance of the device much simpler to carry out.
Advantageously, external handles 106, 112 are provided on both the housing and container.
The cutting device 101 also comprises a fruit segmenting member 115 of substantially the same structure as the one of the first embodiment, except that it is devised to seat onto the top edge of the container 111 rather than on an inner step made in the same.
The cutting device 101 further comprises a fruit derinding member 129 including a blade support in the form of a ring 131 sized and shaped to fit inside the container 111 and be "guided" by the inner wall of the same. The fruit derinding member 129 also includes two blades 133, 133' which are connected in radially opposite positions onto the ring 131 and have upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit supporting member 115.
Once again, connecting means are provided to operatively connect the fruit derinding member 129 to the motor. These connecting means include a vertical rod 136 operatively connected to the driving shaft of the electric motor. The rod 136 extends within a central sleeve 135 provided in the container 111 and has an upper key-shaped end high enough to reach and operatively engage a key-shaped cap 134 rigidly attached to the connected upper ends of the blades 133 of the fruit derinding member 129 in order to rotate the same.
Of course, the cutting device 101 may also comprise a cup-shaped cover 139 and be sold with the cylindrical cutter 41 as an auxiliary tool.
The cutter device 101 can be used and operated in the very way as the cutter device 1. After assembly and proper positioning of the blades 133, 133' under two corresponding knives of the fruit segmenting member 115 for the purpose of protecting them while the half fruit is pressed down, the half fruit may be installed and processed to collect its pulp within the container 111.
Instead of being devised as shown in Fig. 2, the fruit derinding member 129 of the cutter device 1 O1 could be devised as shown in Fig. 3. In addition to the ring 131, the blade support of this member 129 incudes a horizontal arm 131' extending diametrically within the ring 131. The blades 133, 133' project form the ring 131 and have their upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit supporting member 115.
In this variant, the connecting means also includes the vertical rod 136 operatively connected to the driving shaft of the electric motor. However, the rod 136 is shorter in height. As a matter of fact, its upper key-shaped end is positioned to reach and operatively engage a key-shaped opening 134' centrally made in the horizontal arm 131' of the fruit derinding member 129 so as to rotate the same.
Figs. 4 and 5 show an electric cutter device 201 according to a third preferred embodiment of the invention. Once again, the same numeral references have been used to identify the same components, with a distinguishing two hundred (200) digit.
The cutting device 201 includes a base 203 of the same shape and structure a the base 3. The base 203 includes a housing 205 in which is located an electric motor 206, and a container 211.
The cutting device 201 also includes a fruit segmenting member 229 and 5 a cup-shaped cover (not shown) of the very same shape and structure as those numbered 29 and 39, respectively.
A first difference lies in the shape of the fruit deriding member 229, which includes a blade support in the form of another ring 231 on which two arcuate blades 233, 233' are connected in radially opposite positions. These blades have their 10 upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit segmenting member 215.
A second difference lies in the structure of the connecting means which includes a togged wheel 241 connected to the driving shaft 243 of the electric motor 206 by means of a set of gears 245. The togged wheel 241 is mounted in such a manner as to extend adj acent to the ring 231 of the fruit segmenting member 229 and to engage teeth 247 provided all around the bottom of the ring in order to rotate the same with the blades 233, 233' connected thereto when the fruit segmenting member 229 is fitted into the container 211.
The top portion of the container has a set of grooves 227 whose bottom ends 213 form a first inner step and act as support means for the fruit segmenting member 215. The container also has a second inner step 249 below the first inner step to support the fruit deriding member 229.
The cutting device 201 works in the same way as the devices 1 and/or 101.
Of course, numerous modifications could be made to the cutting devices disclosed hereinabove without departing from the scope of the present invention. Thus, by way of examples, the base 3 and 203 of the cutter devices l and 201 could be made of two separate parts, like the one of the cutter device 101. Similarly, the fruit deriding members 129 and 229 of the cuter devices 1 O 1 and 201 could comprise only one blade like the one of the cutter device 1. They could also comprise more than two blades, provided however that they be positioned in such a manner as to be hidden and therefore "protected" by the knives of the fruit segmenting member during the pressing of the half fruit. In the third embodiment shown in Figs. 4 and 5, the cogged wheel 241 could have a vertical axis instead of an horizontal one and be positioned to engage radial teeth made on lateral periphery of the ring 231.
Claims (11)
1. An electric cutting device for segmenting and deriding a half-section of a citrus fruit in order to collect pulp segments thereof, said cutting device comprising:
a) a base adapted to be positioned on a horizontal surface, said base comprising:
- a housing in which is mounted an electric motor with a driving shaft, and - an upwardly opened container for receiving the pulp segments of the fruit, said container having a top portion acting as a supporting means;
b) a fruit segmenting member sized and shaped to fit into and be supported by the top portion of the container, said fruit supporting member comprising:
- a ring, and - a set of arcuate knives upwardly projecting from the ring, said knives being spaced apart and converging toward a common apex, said knives being connected to each other at said common apex and having radially projecting edges extending from the ring up to said common apex, said fruit segmenting member forming a generally semi-spherical open frame on which the half-section of the fruit can be applied and pressed down in order to segment radially fruit to form the requested pulp segments;
c) locking means on the container and the fruit segmenting member to prevent rotation of said fruit segmenting member with respect to said container once fitted into each other;
d) a fruit deriding member sized and shaped to fit into the container below the fruit segmenting member, said fruit deriding member comprising:
- a blade support, and - at least one arcuate blade upwardly projecting from the blade support, said at least one blade having a peripherally projecting edge and being shaped, sized and connected onto the blade support in such a manner to extend contiguously to any one of the arcuate knives from the ring of the fruit segmenting member up to the common apex when the fruit segmenting member is fitted onto the base with the fruit deriding member in between, and e) connecting means to operatively connect the blade support to the driving shaft of the electric motor when the fruit deriding member is fitted into the container, f) an inverted cup-shaped cover sized and shaped to cover the half-section of the fruit and to help in applying and pressing down said half section on the fruit segmenting member (b) g) control means connected to the electric motor for actuating the same and rotating the fruit deriding member within the container below the fruit segmenting member, said control means being devised to cause said at least one arcuate blade of the fruit deriding member to stop just below one of the arcuate knives when the motor is stopped; and h) safety means for preventing the electric motor from being actuated by the control means as long as the inverted cup-shaped cover is not pressed down on the half-section of the citrus fruit;
whereby, when actuated, the motor rotates the fruit deriding member within the container below the fruit segmenting member and causes said at least one blade to derind the pulp segments from the fruit pressed down on the fruit segmenting member so that the so derinded pulp segments may fall down into the container for collection.
a) a base adapted to be positioned on a horizontal surface, said base comprising:
- a housing in which is mounted an electric motor with a driving shaft, and - an upwardly opened container for receiving the pulp segments of the fruit, said container having a top portion acting as a supporting means;
b) a fruit segmenting member sized and shaped to fit into and be supported by the top portion of the container, said fruit supporting member comprising:
- a ring, and - a set of arcuate knives upwardly projecting from the ring, said knives being spaced apart and converging toward a common apex, said knives being connected to each other at said common apex and having radially projecting edges extending from the ring up to said common apex, said fruit segmenting member forming a generally semi-spherical open frame on which the half-section of the fruit can be applied and pressed down in order to segment radially fruit to form the requested pulp segments;
c) locking means on the container and the fruit segmenting member to prevent rotation of said fruit segmenting member with respect to said container once fitted into each other;
d) a fruit deriding member sized and shaped to fit into the container below the fruit segmenting member, said fruit deriding member comprising:
- a blade support, and - at least one arcuate blade upwardly projecting from the blade support, said at least one blade having a peripherally projecting edge and being shaped, sized and connected onto the blade support in such a manner to extend contiguously to any one of the arcuate knives from the ring of the fruit segmenting member up to the common apex when the fruit segmenting member is fitted onto the base with the fruit deriding member in between, and e) connecting means to operatively connect the blade support to the driving shaft of the electric motor when the fruit deriding member is fitted into the container, f) an inverted cup-shaped cover sized and shaped to cover the half-section of the fruit and to help in applying and pressing down said half section on the fruit segmenting member (b) g) control means connected to the electric motor for actuating the same and rotating the fruit deriding member within the container below the fruit segmenting member, said control means being devised to cause said at least one arcuate blade of the fruit deriding member to stop just below one of the arcuate knives when the motor is stopped; and h) safety means for preventing the electric motor from being actuated by the control means as long as the inverted cup-shaped cover is not pressed down on the half-section of the citrus fruit;
whereby, when actuated, the motor rotates the fruit deriding member within the container below the fruit segmenting member and causes said at least one blade to derind the pulp segments from the fruit pressed down on the fruit segmenting member so that the so derinded pulp segments may fall down into the container for collection.
2. The device of claim 1, wherein the locking means (c) includes at least one set of tongue and groove made in the container and the fruit segmenting member (b).
3. The device of claim 1 or 2, wherein:
the blade support of the fruit deriding member (d) includes another ring;
and said fruit deriding member (d) includes two of said at least one blade, said two blades being connected in radially opposite positions onto said another ring and having upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit segmenting member (b).
the blade support of the fruit deriding member (d) includes another ring;
and said fruit deriding member (d) includes two of said at least one blade, said two blades being connected in radially opposite positions onto said another ring and having upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit segmenting member (b).
4. The device of claim 3, wherein the connecting means (c) includes a vertical rod operatively connected to the driving shaft of the electric motor, said rod extending within a central sleeve provided in the container and having an upper key-shaped end high enough to reach and operatively engage a key-shaped cap rigidly attached to the connected upper ends of the blades of the fruit deriding member (d) in order to rotate said fruit deriding member.
5. The device of claim 1 or 2, wherein the connecting means (e) includes a cogged wheel connected to the driving shaft of the electric motor, said cogged heel extending adjacent to the ring of the fruit segmenting member (b) and engaging teeth provided all around said ring to rotate the same with the blades connected thereto when said fruit segmenting member is fitted into the container.
6. The device of claim 5, wherein the top portion of the container has a first inner step acting as said support means for the fruit segmenting member (b) and a second inner step below the first inner step to support the fruit deriding member (d).
7.The device of claim 6, wherein the locking means (c) includes at least one set of tongue and groove made in the container and the fruit segmenting member (b).
8. The device of claim 1 or 2, wherein:
the blade support of the fruit deriding member (d) includes another ring and a horizonal arm extending diametrically within another ring, two of said at least one blade projecting from another ring and having upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit supporting member (b); and the connecting means (e) includes a vertical rod operatively connected to the driving shaft of the electric motor, said rod extending within a central sleeve provided in the container and having an upper key-shaped end high enough to reach and operatively engage a key-shaped opening made in the horizonal arm of the fruit deriding member (d) so as to rotate said fruit deriding member.
the blade support of the fruit deriding member (d) includes another ring and a horizonal arm extending diametrically within another ring, two of said at least one blade projecting from another ring and having upper ends connected to each other so as to form a semi-circular bridge sized to fit within the semi-spherical open frame formed by the fruit supporting member (b); and the connecting means (e) includes a vertical rod operatively connected to the driving shaft of the electric motor, said rod extending within a central sleeve provided in the container and having an upper key-shaped end high enough to reach and operatively engage a key-shaped opening made in the horizonal arm of the fruit deriding member (d) so as to rotate said fruit deriding member.
9. The device of claim 1 or 2, wherein:
the connecting means (e) includes a vertical rod extending within a central sleeve provided in the container, said vertical rod being operatively connected to the driving shaft of the electric motor; and the blade support of the fruit deriding member (d) includes a horizontal arm having one end from which one of said at least one blade projects, and another end rigidly connected to the vertical rod of the connecting means (e).
the connecting means (e) includes a vertical rod extending within a central sleeve provided in the container, said vertical rod being operatively connected to the driving shaft of the electric motor; and the blade support of the fruit deriding member (d) includes a horizontal arm having one end from which one of said at least one blade projects, and another end rigidly connected to the vertical rod of the connecting means (e).
10. The device of claim 9, wherein the top portion of the container of the base (a) has an inner step acting as a support for the fruit segmenting member (b).
11. The device of any one of claims 1 to 10, wherein the container is detachably mounted on the housing of the base (a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002282574A CA2282574A1 (en) | 1999-09-16 | 1999-09-16 | Electric citrus fruit cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002282574A CA2282574A1 (en) | 1999-09-16 | 1999-09-16 | Electric citrus fruit cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2282574A1 true CA2282574A1 (en) | 2001-03-16 |
Family
ID=4164152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002282574A Abandoned CA2282574A1 (en) | 1999-09-16 | 1999-09-16 | Electric citrus fruit cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2282574A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739204A (en) * | 2013-12-29 | 2015-07-01 | 王世华 | Electric peeler |
| CN109222118A (en) * | 2018-09-27 | 2019-01-18 | 华南农业大学 | A kind of citrus fruit takes the soft knife system of the variable radius of meat coring and method |
-
1999
- 1999-09-16 CA CA002282574A patent/CA2282574A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739204A (en) * | 2013-12-29 | 2015-07-01 | 王世华 | Electric peeler |
| CN109222118A (en) * | 2018-09-27 | 2019-01-18 | 华南农业大学 | A kind of citrus fruit takes the soft knife system of the variable radius of meat coring and method |
| CN109222118B (en) * | 2018-09-27 | 2024-03-12 | 华南农业大学 | Variable-radius soft knife device and method for taking flesh and removing cores of citrus fruits |
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