AU2020204097A1 - Improved Oyster Shucking Apparatus - Google Patents
Improved Oyster Shucking Apparatus Download PDFInfo
- Publication number
- AU2020204097A1 AU2020204097A1 AU2020204097A AU2020204097A AU2020204097A1 AU 2020204097 A1 AU2020204097 A1 AU 2020204097A1 AU 2020204097 A AU2020204097 A AU 2020204097A AU 2020204097 A AU2020204097 A AU 2020204097A AU 2020204097 A1 AU2020204097 A1 AU 2020204097A1
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- Australia
- Prior art keywords
- lever arm
- sleeve
- oyster
- shucking
- secured
- 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.)
- Pending
Links
- 241000237502 Ostreidae Species 0.000 title claims abstract description 102
- 235000020636 oyster Nutrition 0.000 title claims abstract description 102
- 238000003825 pressing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 208000012514 Cumulative Trauma disease Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22C—PROCESSING MEAT, POULTRY, OR FISH
- A22C29/00—Processing shellfish or bivalves, e.g. oysters, lobsters; Devices therefor, e.g. claw locks, claw crushers, grading devices; Processing lines
- A22C29/04—Processing bivalves, e.g. oysters
- A22C29/046—Opening or shucking bivalves
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G21/00—Table-ware
- A47G21/06—Combined or separable sets of table-service utensils; Oyster knives with openers; Fish servers with means for removing bones
- A47G21/061—Oyster knives with openers; Shellfish openers
- A47G21/062—Oyster splitters working by forcing a knife or the like between shells
- A47G21/063—Separate oyster supports therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Food-Manufacturing Devices (AREA)
- Processing Of Meat And Fish (AREA)
Abstract
An apparatus (10) for shucking an oyster has a shucking head (16) which is adapted to be mounted
on a mounting assembly (14, 18), two mounting members (20, 22) extending from respective
opposite sides of the shucking head, and a hand operated lever arm (24) which is movably mounted
to a selected one of the mounting members. The shucking head (16) has a base portion (26) for
supporting a lower shell of the oyster and has an upright portion (28) for engaging an end of the
oyster. In this way, the base and upright portions (26, 28) support the oyster. The lever arm (24) is
movable to press down on the supported oyster. The arrangement of the base portion, upright
portion and lever arm are such that the oyster is held in a stable position to allow a person to use a
knife to shuck the oyster with one hand.
1/10
6z2+ 10
540S 56 28
58 g4.4g
800
Figure 1
Description
1/10
6z2+ 10
540S 56 28
58 g4.4g
800
Figure 1
The present invention relates to an improved apparatus for shucking oysters
and, in particular, to an oyster shucking apparatus which incorporates a
movable, hand operated, lever arm that can be used to press down on an
oyster in a supported position, thereby holding an oyster in a stable position
that improves the performance of a person using a knife to shuck the oyster.
The conventional approach over a long period to shucking or opening the
closed shells of an oyster to access the organism therewithin has been to use
one hand to hold the oyster and another hand to hold a knife that is used to
separate one shell from the other and, in most cases, to separate the organism
from the muscle that fixes it to one of the shells. This is normally achieved by
causing the tip of the knife blade to penetrate the weakest point of the
unopened oyster which is at the location of the valve, manipulating the position
of the knife to separate the upper and lower shells, and then sweeping the
blade of the knife along one side of the oyster between the shells to sever the
muscle, whereby the oyster is opened and taken to the next stage of its
processing. After this process of shucking the oyster, a stream of water is
allowed to fall over the hands, knife, and oyster to remove any shell debris or other material that may contaminate the finished product.
Such a process has been found to have problems, not the least of which is that
it often results in blisters and other injuries to the worker, thereby decreasing
their overall speed of performance and their level of productivity. Blisters and
other injuries, such as cuts, may lead to the release of blood from the worker
and the blood may contaminate the oyster and render unhygienic the working
environment. Furthermore, the use of bench space in such a process also
increases the likelihood of poor hygiene.
Not only are there injuries and hygiene factors that need to be considered, but
the conventional manual process is also costly. The process has often
damaged the finished product and so resulted in a diminished commercial
value for the oysters. Water is also wasted in the course of washing away any
human blood or debris from a damaged oyster.
It is another problem with the conventional process that it involves repetitive
hand movements which can often lead to joint and muscular problems,
particularly of the wrist. Repetitive strain injuries are not uncommon among
such workers, and there is the risk of a worker's compensation claim being
filed.
In order to overcome the aforementioned problems, the inventor developed an
oyster shucking apparatus which is described in Australian Patent No.
2008230036, the contents of which are incorporated herein by reference.
Although that oyster shucking apparatus performs well, it relies on a means for
wedging the oyster in a supported position so that it can be held stably for a
person to then use a knife to shuck the oyster. There is limited adjustability in the manner in which the oyster can be wedged in position, and for this, different types of wedging devices need to be used in the apparatus.
It has now been found by the inventor that a more adjustable and easy to use
arrangement can be provided by using a movable, hand operated, lever arm
that can be used to press down on an oyster in a supported position.
It has also been found by the inventor that an arrangement suitable for both left
and right handed users can be provided by enabling the aforementioned lever
arm to be located on either side of a support means against which the oyster
rests, leaving the other hand free to use the knife to shuck the oyster.
It has also been found by the inventor that a more versatile arrangement for
pressing down on the oyster can be provided by enabling the aforementioned
lever arm to pivot up and down and to swivel around an upright axis.
It is, therefore, an object of the present invention to overcome, or at least to
substantially ameliorate, the disadvantages and shortcomings of the
aforementioned prior art apparatus and processes by providing an oyster
shucking apparatus which uses a movable, hand operated, lever arm to press
down on an oyster in a supported position.
It is a preferred object of the present invention to provide an oyster shucking
apparatus which is suited to both left and right handed users by enabling the
aforementioned lever arm to be located on either side of a support means against which the oyster rests, leaving the other hand free to use the knife to shuck the oyster.
It is another preferred object of the present invention to provide an oyster
shucking apparatus in which the aforementioned lever arm is able to pivot up
and down and to swivel around an upright axis.
According to the present invention, there is provided an apparatus for shucking
an oyster, the apparatus comprising a shucking head adapted to be mounted
on a mounting assembly, the shucking head comprising a base portion for
supporting a lower shell of the oyster and an upright portion for engaging an
end of the oyster whereby the base and upright portions support the oyster, at
least one mounting member extending from a side of the shucking head, and a
hand operated lever arm movably mounted to the mounting member, whereby
the lever arm is movable to press down on the supported oyster, the
arrangement of the base portion, upright portion and lever arm being such that
the oyster is held in a stable position to allow a person to use a knife to shuck
the oyster with one hand.
Preferably, there are two mounting members, each extending from opposite
sides of the shucking head.
It is preferred that the hand operated lever arm is movably mounted to the
mounting member by a multi-directional connecting assembly which is configured to enable the lever arm to pivot up and down and to swivel around
an upright axis.
In a preferred form, the connecting assembly has a first sleeve which is slidably movable along the mounting member.
Preferably, a first tightening handle assembly is threadably engaged to the first
sleeve for tightening the first sleeve at a desired location along the mounting
member.
The connecting assembly preferably comprises a first tubular member secured
to the first sleeve, the first tubular member having an upright axis, and through
the bore of which is threadably engaged a swivel shaft.
The connecting assembly also preferably comprises a second tubular member
secured to the top of the swivel shaft, the second tubular member having an
axis perpendicular to the upright axis of the first tubular member, and through
the bore of which is threadably engaged a pivot shaft.
In a preferred form, the connecting assembly also has a second sleeve which is
secured to an end of the pivot shaft.
It is preferred that the lever arm is slidably movable through the second sleeve.
Preferably, a second tightening handle assembly is threadably engaged to the
second sleeve for tightening the lever arm to the second sleeve at a desired
location along the lever arm.
At a first end of the lever arm there is preferably a rounded grip for holding by a
user.
At a second opposite end of the lever arm there is preferably a counterweight
which is of a weight that biases the lever arm to assume a first pivoted position,
when the user does not apply any force on the grip, in which the grip is at an
uppermost position.
In another preferred form, the lever arm comprises a first pressing member
which extends laterally from a first side portion of the lever arm and is adapted
to press down on the supported oyster when the lever arm is located at a first
side of the shucking head and when the user holds the lever arm down.
In yet another preferred form, the lever arm further comprises a second
pressing member which extends laterally from a second opposite side portion
of the lever arm and is adapted to press down on the supported oyster when
the lever arm is located at a second opposite side of the shucking head and
when the user holds the lever arm down.
It is preferred that an upper part of the lever arm is formed as a third sleeve
which is slidably movable along an upper shaft portion of the lever arm, and the
first and second side portions are located on the third sleeve, such that the first
and second pressing members extend laterally from opposite sides of the third
sleeve.
Preferably, a third tightening handle assembly is threadably engaged to the
third sleeve for tightening the third sleeve at a desired location along the upper shaft portion of the lever arm.
It is preferred that the base portion for supporting a lower shell of the oyster
comprises two symmetrically opposed support members which are joined
together at their ends furthest from the upright portion, but which have opposite
ends closest to the upright portion which are separated.
The support members have opposing edges which are preferably corrugated.
It is preferred that the upright portion for engaging an end of the oyster
comprises a contoured surface member which has a partly concave
configuration and is located closer to one of the support members than to the
other.
In a preferred form, the contoured surface member is secured to a fourth
sleeve which is slidably movable along a post member of the upright portion.
Preferably, a fourth tightening handle assembly is threadably engaged to the
fourth sleeve for tightening the fourth sleeve at a desired location along the
post member.
The post member is preferably secured to a fifth sleeve which is slidably
movable along an elongated beam member of the mounting assembly.
Preferably, a fifth tightening handle assembly is threadably engaged to the fifth
sleeve for tightening the fifth sleeve at a desired location along the beam member.
A first end of the beam member is preferably secured to the two joined ends of
the support members of the base portion.
Preferably, a second opposite end of the beam member is slidably movable
through a sixth sleeve which is secured to a first rotational connecting
assembly which is configured to enable the beam member to rotate about its
longitudinal axis.
The first rotational connecting assembly is preferably rotatably connected to a
second rotational connecting assembly, the second rotational connecting
assembly having a rotational axis perpendicular to the longitudinal axis of the
beam member.
It is preferred that the apparatus includes a stand to which the mounting
assembly is secured.
Fig. 1 is a partly exploded side view of an oyster shucking apparatus according
to a first preferred embodiment of the invention in which an operating part of
the apparatus has been slidably disassembled from a mounting part of the
apparatus.
Fig. 2 is an upper, front, left side, perspective view of the operating part of the apparatus of Fig.1 but showing the fourth sleeve of the upright portion rotated
by 900 about the axis of the post member.
Fig. 3 is an upper, rear, right side, perspective view of the operating part of the
apparatus as shown in Fig. 2.
Fig. 4 is a top view of the operating part of the apparatus as shown in Fig. 2.
Fig. 5 is a front view of the operating part of the apparatus as shown in Fig. 2.
Fig. 6 is a right side view of the operating part of the apparatus as shown in Fig.
2.
Fig. 7 is a top view of the operating part of the apparatus as shown in Fig. 2 but
showing the lever arm relocated from the right side (where it is shown in Fig. 4)
to the left side of the shucking head, and showing the fourth sleeve of the
upright portion rotated by 900about the axis of the post member back to its
original position as shown in Fig. 1.
Fig. 8 is a front view of the operating part of the apparatus as shown in Fig. 7.
Fig. 9 is a side view of an assembled apparatus of Fig. 1 but showing a spare
shucking knife incorporating the grip which has been removed from the lever
arm.
Fig. 10 is an upper, front, left side, perspective view of the assembled
apparatus shown in Fig. 9 and an oyster shucking knife which can be used to shuck an oyster which is held in a stable position on the apparatus.
For ease of understanding, the oyster shucking apparatus 10 is shown in Fig. 1
after having been slidably disassembled into an operating part 12 and a
mounting part 14. The operating part 12 is shown isolated in Figs. 2 to 8, and
the reassembled apparatus 10 is shown in Figs. 9 and 10.
Referring to Figures 1 to 10, the oyster shucking apparatus 10 has a shucking
head 16 which, in this embodiment, is adapted to be mounted on an elongated
beam member 18 of a mounting assembly. The mounting assembly, in this
embodiment, is constituted of the mounting part 14 and the beam member 18
which is slidably engageable to the mounting part. The apparatus 10 also has,
in this embodiment, two mounting members 20, 22 which extend from opposite
sides of the shucking head 16, and a hand operated lever arm 24 which is
movably mounted to one of the mounting members. In the embodiment shown
in Figs. 2 to 6, the lever arm 24 is movably mounted to the mounting member
20 located on the right side of the shucking head 16 and, in the embodiment
shown in Figs. 1 and 7 to 10, the lever arm 24 is movably mounted to the
mounting member 22 located on the left side of the shucking head 16. In other
embodiments of this invention, there is a single mounting member which
extends from a selected side of the shucking head 16.
The shucking head 16 has a base portion 26 for supporting a lower shell of an
oyster and also has an upright portion 28 for engaging an end of the oyster whereby the base and upright portions 26, 28 support the oyster. The hand
operated lever arm 24, which is movably mounted to the mounting member 20,
22, is movable to press down on the supported oyster. The arrangement of the base portion 26, upright portion 28 and lever arm 24 is such that the oyster is held in a stable position to allow a person to use a knife to shuck the oyster with one hand.
The following description is directed specifically, and in more detail, to the
preferred embodiments of the apparatus 10 shown in Figs. 1 to 10. In one such
embodiment, there are two mounting members 20, 22, each extending from
opposite sides of the shucking head 16.
The hand operated lever arm 24 is movably mounted to the mounting member
20, 22 by a multi-directional connecting assembly 30 which is configured to
enable the lever arm 24 to pivot up and down (as indicated by the curved
arrows A in Fig. 6) and to swivel around an upright axis (as indicated by the
curved arrows B in Figs. 4 and 7).
The connecting assembly 30 has a first sleeve 32 which is slidably movable
along the mounting member 20, 22 (as indicated by the horizontal arrows C in
Figs. 5 and 8).
A first tightening handle assembly 34 is threadably engaged to the first sleeve
32 for tightening the first sleeve at a desired location along the mounting
member 20, 22.
The connecting assembly 30 has a first tubular member 36 secured to the first sleeve 32. The first tubular member 36 has an upright axis, and a swivel shaft
(concealed within the member 36) is threadably engaged through the bore of
the first tubular member 36.
The connecting assembly 30 also has a second tubular member 38 secured to
the top of the swivel shaft. The second tubular member 38 has an axis which is
perpendicular to the upright axis of the first tubular member 36, and a pivot
shaft (concealed within the member 38) is threadably engaged through the
bore of the second tubular member 38.
The connecting assembly 30 also has a second sleeve 40 which is secured to
an end of the pivot shaft.
The lever arm 24 is slidably movable through the second sleeve 40.
A second tightening handle assembly 42 is threadably engaged to the second
sleeve 40 for tightening the lever arm 24 to the second sleeve at a desired
location along the lever arm.
At a first end of the lever arm 24 nearest to a user there is a rounded grip 44 for
holding by the user.
At a second opposite end of the lever arm 24 there is a counterweight 46 which
is of a weight that biases the lever arm to assume a first pivoted position (as
best shown in Fig. 1), when the user does not apply any force on the grip.
When the lever arm 24 is in the first pivoted position, the grip 44 is at an
uppermost position.
The lever arm 24 has a first pressing member 48 which extends laterally from a
first side portion of the lever arm. The first pressing member 48 is adapted to
press down on the supported oyster (and especially on the lower shell of the oyster) when the lever arm 24 is located at the right side of the shucking head
16 (as shown in Figs. 2 to 6) and when the user holds the grip 44 down.
The lever arm 24 also has a second pressing member 50 which extends
laterally from a second opposite side portion of the lever arm, and is shorter in
length and lower in position than the first pressing member 48. The second
pressing member 50 is also adapted to press down on the supported oyster
(and especially on the lower shell of the oyster) when the lever arm 24 is
located at the left side of the shucking head 16 (as shown in Figs. 1 and 7 to
10) and when the user holds the grip 44 down.
An upper part of the lever arm 24 is formed as a third sleeve 52 which is
slidably movable along an upper shaft portion 54 of the lever arm (as indicated
by the inclined straight arrows D in Fig. 6). The first and second side portions
are located on the third sleeve 52, such that the first and second pressing
members 48, 50 extend laterally from opposite sides of the third sleeve 52.
A third tightening handle assembly 56 is threadably engaged to the third sleeve
52 for tightening the third sleeve at a desired location along the upper shaft
portion 54 of the lever arm 24.
The base portion 26 which, in use, supports a lower shell of the oyster has two
symmetrically opposed support members 58, 60 which are joined together at
their ends furthest from the upright portion 28. However, the opposite ends of the support members 58, 60 closest to the upright portion 28 are separated.
The support members 58, 60 have opposing edges 62, 64, respectively, which
are corrugated for better supporting the oyster.
The upright portion 28 which, in use, engages an end of the oyster has a
contoured surface member 66 which has a partly concave engagement
configuration. The contoured surface member 66 is located closer to one of the
support members 58, 60 than to the other.
The contoured surface member 66 is secured to a fourth sleeve 68 which is
slidably movable along a post member 70 of the upright portion 28 (as
indicated by the vertical arrows E in Figs. 5 and 8).
Also secured to the fourth sleeve 68 is a hollow block 71 through which an
oyster shucking knife (see knife 102 in Fig. 10) can be stored until required for
use. As shown in Figs. 1 and 7 to 10, an outer surface of the hollow block 71
can, instead of the contoured surface member 66, be used to engage an end of
the oyster, depending on requirements, by rotating the fourth sleeve 68 by 900
about the axis of the post member 70.
A fourth tightening handle assembly 72 is threadably engaged to the fourth
sleeve 68 for tightening the fourth sleeve at a desired location along the post
member 70.
The post member 70 is secured to a fifth sleeve 74 which is slidably movable
along the elongated beam member 18 of the mounting assembly (as indicated by the vertical arrows F in Figs. 4 and 7).
A fifth tightening handle assembly 78 is threadably engaged to the fifth sleeve
74 for tightening the fifth sleeve at a desired location along the beam member
18.
A first end 82 of the beam member 18 closest to the user is secured to the two
joined ends of the support members 58, 60 of the base portion 26.
A second opposite end 84 of the beam member 18 is slidably movable through
a sixth sleeve 86 (see the slidably separated end 84 and sleeve 86 in Fig. 1). A
sixth tightening handle assembly 80 is threadably engaged to the sixth sleeve
86 for tightening the sixth sleeve at a desired location along the end 84 of the
beam member 18.
The sixth sleeve 86 is secured to a first rotational connecting assembly 88
which is configured to enable the beam member 18 to rotate about its
longitudinal axis.
The first rotational connecting assembly 88 is rotatably connected to a second
rotational connecting assembly 90. The second rotational connecting assembly
90 has a rotational axis perpendicular to the longitudinal axis of the beam
member 18.
As shown in Figs. 1, 9 and 10, the apparatus 10 has a stand 92 to which the
mounting assembly 14, 18 is secured.
Fig. 9 also shows a spare knife 94, which incorporates the grip 44, after having
been separated from the rest of the apparatus 10. A blade 96 of the spare knife
94 is normally passed through a storage sleeve 98 secured to the top of the sleeve 52 of the lever arm 24, and a grub screw 100 is used to hold the blade
96 firmly against the sleeve 52.
Fig. 10 shows an oyster shucking knife 102 which can be used to shuck an
oyster which is held in a stable position on the apparatus 10 in the manner
described above.
There are many different varieties and shapes of oysters which can be stably
held and easily and effectively shucked by the apparatus 10.
In use, a person places the lower shell of a closed oyster on the base portion
26 of the apparatus 10 and engages the end of the oyster against the upright
portion 28. In this way, the base and upright portions 26, 28 support the oyster.
The person, who may be right handed or left handed, ensures that the hand
operated lever arm 24 is on the side of the shucking head 16 which
corresponds to the side on which they have their unfavoured hand, so that they
can hold and manipulate the knife 102 with their favoured hand. For example, a
left handed person should have the lever arm 24 on the right side of the
shucking head 16 so that, while their right hand pulls and holds down the grip
44 for the corresponding pressing member 48, 50 to press down on the lower
shell of the supported oyster which is then held in a stable position, their left
hand is able to hold and manipulate the knife 102 to shuck the oyster.
The person pushes the tip of the knife blade 104 into the valve between the
upper and lower shells of the oyster in a direction so that the tip penetrates the
weakest point of the oyster.
The blade 104 of the knife 102 is then pushed down in a direction so as to
partly separate the upper and lower shells of the oyster.
Further separation of the shells is achieved by then twisting the blade 104 of
the knife 102 in a direction so as to locate a cutting edge 106 of the blade
uppermost and in a leading position against the upper shell of the oyster.
The blade 104 is then swept rearwardly along the inside of the oyster between
the shells in a direction so as to cause the cutting edge 106 of the blade to
sever the muscle holding the shells together, whereby the oyster is opened.
A stream or spray of water may be provided for dispensing over the hand, knife
and opened oyster to remove any shell debris that may contaminate the
finished product, although there is very little or no such debris that normally
arises with the use of the apparatus 10.
As will be apparent from reading the above description of the present invention,
the oyster shucking apparatus 10 provides a more adjustable and easy to use
arrangement than the prior art by using a movable, hand operated, lever arm
24 that can be used to press down on an oyster in a supported position.
The apparatus 10 is also suitable for both left and right handed users because
it enables the lever arm 24 to be located on either side of the shucking head 16
against which the oyster rests, leaving the other hand free to use the knife to shuck the oyster.
The apparatus 10 also provides a more versatile arrangement for pressing
down on the oyster because it enables the lever arm 24 to pivot up and down
and to swivel around an upright axis.
It will be readily apparent to persons skilled in the art that various modifications
may be made in details of design, construction and use of the oyster shucking
apparatus described above without departing from the scope or ambit of the
present invention.
Claims (27)
1. An apparatus for shucking an oyster, the apparatus comprising a
shucking head adapted to be mounted on a mounting assembly, the shucking
head comprising a base portion for supporting a lower shell of the oyster and
an upright portion for engaging an end of the oyster whereby the base and
upright portions support the oyster, at least one mounting member extending
from a side of the shucking head, and a hand operated lever arm movably
mounted to the mounting member, whereby the lever arm is movable to press
down on the supported oyster, the arrangement of the base portion, upright
portion and lever arm being such that the oyster is held in a stable position to
allow a person to use a knife to shuck the oyster with one hand.
2. The apparatus of claim 1, wherein there are two mounting members, each extending from opposite sides of the shucking head.
3. The apparatus of claim 1, wherein the hand operated lever arm is
movably mounted to the mounting member by a multi-directional connecting
assembly which is configured to enable the lever arm to pivot up and down and
to swivel around an upright axis.
4. The apparatus of claim 3, wherein the connecting assembly has a first
sleeve which is slidably movable along the mounting member.
5. The apparatus of claim 4, wherein a first tightening handle assembly is
threadably engaged to the first sleeve for tightening the first sleeve at a desired
location along the mounting member.
6. The apparatus of claim 4, wherein the connecting assembly comprises a
first tubular member secured to the first sleeve, the first tubular member having
an upright axis, and through the bore of which is threadably engaged a swivel
shaft.
7. The apparatus of claim 6, wherein the connecting assembly comprises a
second tubular member secured to the top of the swivel shaft, the second
tubular member having an axis perpendicular to the upright axis of the first
tubular member, and through the bore of which is threadably engaged a pivot
shaft.
8. The apparatus of claim 7, wherein the connecting assembly has a
second sleeve which is secured to an end of the pivot shaft.
9. The apparatus of claim 8, wherein the lever arm is slidably movable through the second sleeve.
10. The apparatus of claim 9, wherein a second tightening handle assembly
is threadably engaged to the second sleeve for tightening the lever arm to the
second sleeve at a desired location along the lever arm.
11. The apparatus of claim 1, wherein at a first end of the lever arm there is
a rounded grip for holding by a user.
12. The apparatus of claim 11, wherein at a second opposite end of the
lever arm there is a counterweight which is of a weight that biases the lever arm to assume a first pivoted position, when the user does not apply any force on the grip, in which the grip is at an uppermost position.
13. The apparatus of claim 1, wherein the lever arm comprises a first
pressing member which extends laterally from a first side portion of the lever
arm and is adapted to press down on the supported oyster when the lever arm
is located at a first side of the shucking head and when the user holds the lever
arm down.
14. The apparatus of claim 13, wherein the lever arm comprises a second
pressing member which extends laterally from a second opposite side portion
of the lever arm and is adapted to press down on the supported oyster when
the lever arm is located at a second opposite side of the shucking head and
when the user holds the lever arm down.
15. The apparatus of claim 14, wherein an upper part of the lever arm is
formed as a third sleeve which is slidably movable along an upper shaft portion
of the lever arm, and the first and second side portions are located on the third
sleeve, such that the first and second pressing members extend laterally from
opposite sides of the third sleeve.
16. The apparatus of claim 15, wherein a third tightening handle assembly is
threadably engaged to the third sleeve for tightening the third sleeve at a
desired location along the upper shaft portion of the lever arm.
17. The apparatus of claim 1, wherein the base portion for supporting a
lower shell of the oyster comprises two symmetrically opposed support
members which are joined together at their ends furthest from the upright
portion, but which have opposite ends closest to the upright portion which are
separated.
18. The apparatus of claim 17, wherein the support members have opposing
edges which are corrugated.
19. The apparatus of claim 17, wherein the upright portion for engaging an
end of the oyster comprises a contoured surface member which has a partly
concave configuration.
20. The apparatus of claim 19, wherein the contoured surface member is
secured to a fourth sleeve which is slidably movable along a post member of
the upright portion.
21. The apparatus of claim 20, wherein a fourth tightening handle assembly
is threadably engaged to the fourth sleeve for tightening the fourth sleeve at a
desired location along the post member.
22. The apparatus of claim 21, wherein the post member is secured to a fifth
sleeve which is slidably movable along an elongated beam member of the
mounting assembly.
23. The apparatus of claim 22, wherein a fifth tightening handle assembly is
threadably engaged to the fifth sleeve for tightening the fifth sleeve at a desired
location along the beam member.
24. The apparatus of claim 22, wherein a first end of the beam member is
secured to the two joined ends of the support members of the base portion.
25. The apparatus of claim 24, wherein a second opposite end of the beam
member is slidably movable through a sixth sleeve which is secured to a first
rotational connecting assembly which is configured to enable the beam
member to rotate about its longitudinal axis.
26. The apparatus of claim 25, wherein the first rotational connecting
assembly is rotatably connected to a second rotational connecting assembly,
the second rotational connecting assembly having a rotational axis
perpendicular to the longitudinal axis of the beam member.
27. The apparatus of claim 1, wherein the apparatus includes a stand to
which the mounting assembly is secured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2020204097A AU2020204097A1 (en) | 2020-06-19 | 2020-06-19 | Improved Oyster Shucking Apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2020204097A AU2020204097A1 (en) | 2020-06-19 | 2020-06-19 | Improved Oyster Shucking Apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2020204097A1 true AU2020204097A1 (en) | 2022-01-20 |
Family
ID=79302854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2020204097A Pending AU2020204097A1 (en) | 2020-06-19 | 2020-06-19 | Improved Oyster Shucking Apparatus |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2020204097A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115005257A (en) * | 2022-06-13 | 2022-09-06 | 安徽派美电器有限公司 | Assembling device of fresh oyster knife prying mechanism |
-
2020
- 2020-06-19 AU AU2020204097A patent/AU2020204097A1/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115005257A (en) * | 2022-06-13 | 2022-09-06 | 安徽派美电器有限公司 | Assembling device of fresh oyster knife prying mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HB | Alteration of name in register |
Owner name: SIMINIS, M.S. Free format text: FORMER NAME(S): SIMINMIS, MICHAEL STEVEN |