CA1189299A - Razor blade assembly - Google Patents
Razor blade assemblyInfo
- Publication number
- CA1189299A CA1189299A CA000422641A CA422641A CA1189299A CA 1189299 A CA1189299 A CA 1189299A CA 000422641 A CA000422641 A CA 000422641A CA 422641 A CA422641 A CA 422641A CA 1189299 A CA1189299 A CA 1189299A
- Authority
- CA
- Canada
- Prior art keywords
- blade
- body member
- accordance
- spring
- spring finger
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
- B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
- B26B21/227—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit with blades being resiliently mounted in the changeable unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/24—Safety razors with one or more blades arranged transversely to the handle of the magazine type; of the injector type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/54—Razor-blades
Abstract
A RAZOR BLADE ASSEMBLY
ABSTRACT OF THE DISCLOSURE
A razor blade assembly including a body member, a guard member fixed to the body member, a blade member mounted on the body member for movement thereon, the blade member being inde-pendently movable in response to forces encountered during a shaving operation, spring finger biasing members integral with the body member and exercising a bias against the blade member, and a cap portion fixed to the body member.
ABSTRACT OF THE DISCLOSURE
A razor blade assembly including a body member, a guard member fixed to the body member, a blade member mounted on the body member for movement thereon, the blade member being inde-pendently movable in response to forces encountered during a shaving operation, spring finger biasing members integral with the body member and exercising a bias against the blade member, and a cap portion fixed to the body member.
Description
The invention relates to wet shaving implernents and is directed more particularly to a razor blade assembly including cap, hlade and guard elements connected together and replaceable as a unit on a cooperating razor handle.
The invention is related to the subject matter of applicant's own Canadian application Serial No. 381,183, filed July 6, 1981 of Chester F. Jacobson, and Canadian application Serial No. 363,685 of Chester F. Jacobson, howcanadian Patent No. 1,130,997.
0 ' T t is generally known in the art to provide a razor blade assembly, which may be connected to, and used in conjunction with, a razor handle to facilitate shaving operations. U.S. Patent No. 3,660,893, issued May 9, 1982, shows a blade assembly in which blade means are held at either end thereof and disposed between blade assembly surfaces adapted to engage the surface being shaved in front of and behind, respectively, the blade means cutting edge portions. Such surfaces are generally referred tc> as "guard" and "cap". U.S. Patent No. 4,08~i,316, issued April 18, 1978, discloses a similar blacle assembly, but one in which the blade means are supported by thin strips of metal. In U.S. Patent No. ~i,16S,571, issued September 25, 1979, there is d:isclosed a blade assemb]y whose blade means are attached to thin metal strips which in tllrn are mounted for movement in the blade assembly to permit dynamic movement of the blade means during a shaving operation. In addition, t'ne guard and cap means are mounted for simllar movement.
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The invention is related to the subject matter of applicant's own Canadian application Serial No. 381,183, filed July 6, 1981 of Chester F. Jacobson, and Canadian application Serial No. 363,685 of Chester F. Jacobson, howcanadian Patent No. 1,130,997.
0 ' T t is generally known in the art to provide a razor blade assembly, which may be connected to, and used in conjunction with, a razor handle to facilitate shaving operations. U.S. Patent No. 3,660,893, issued May 9, 1982, shows a blade assembly in which blade means are held at either end thereof and disposed between blade assembly surfaces adapted to engage the surface being shaved in front of and behind, respectively, the blade means cutting edge portions. Such surfaces are generally referred tc> as "guard" and "cap". U.S. Patent No. 4,08~i,316, issued April 18, 1978, discloses a similar blacle assembly, but one in which the blade means are supported by thin strips of metal. In U.S. Patent No. ~i,16S,571, issued September 25, 1979, there is d:isclosed a blade assemb]y whose blade means are attached to thin metal strips which in tllrn are mounted for movement in the blade assembly to permit dynamic movement of the blade means during a shaving operation. In addition, t'ne guard and cap means are mounted for simllar movement.
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SU~MI~RY OF TIIE INVE~NTIO~
___ _ An object of the present invention is to provlde a blade assembly, generally similar to the blade assembly discolsed in U.S. Patent No. ~,168,571, but imporved there-over.
With the above and other objects in view, as will hereinafter appear, a feature of the present invention is the provision of a razor blade assembly comprising a body member, a guard member fixed to the body member, blade means mounted on the Cody member for movement thereon, the blade means being movable in response to forces encountered during a shav-ng operation, anl spring finger biasi.ng means integral with the body member and exercising a bias against the blade means.
The above and other features of the invention, including various novel details of construction and combina-tion of parts, will now be more particularly described with reference to the accompanying drawings and pointed out in the claims. It fill be understood that the particular blade assembly embodying the invention is shown by way of illustratioll only and not as a llmitation of the :inventlon.
The principles and features of this invention may be employed in various and numerous embodiments without departing from the scope of the invention.
BRIEF DESCRIPTION OF THE DR~I~INGS
Reference is made to the accompanying drawings in which is shown an illustrati-ve embodiment of the invention from which its novel features and advantages will be apparent.
pab/) ~89~9 In the ~rawin~s:
FIG. 1 is a fron elevational view owe one form of blade assembly illustrative of an embodiment of the invention.
FIG. 2 is a back elevational view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a sectional view taken a1Onz ling ~V-IY of Fig. 2; and FIG. 5 is a perspective view thereof; shown with a razor handle adapted to be used in conjuction with the blade assembly.
DESCRIPTION OF THE PREFERRED EMBODIME~
Referring to the drawings, it will be teen that the illustrated razor blade assembly includes eddy member 2 having first and second end portions 4~ 6 interconnected by front and back wall portions 8, 10. Frame positions 12 (FIGS 2 and 3) extend width-~ise of the body member, inter-connecting the front and back walls 8, 10.
The back wall portion 10 of the body member 2 has an upper portion 14 which engages skin being shaved behind the cutting means of the assembly, thereby fulEilling the functions and occupying the position oE the cap" portion of conventional razor blade assemblies. Such potion 14 shall for that reason, be referred to hereinafter as the "cap portion". -Each of the end portions 4, 6 is provided with opposed slots 16 (FIG.4). One of the frame members 12 near the first end portion 4 is provided with spring zingers 18 extending therefrom generally parallel to the front and back walls 8~ 10 (FIG. 3). Each of the fingers 18 is provided with pabl'-~8~299 an upt~lrned end portion 20 having an upper surface 22. In like manner, another of the frame members 12 near the second end portion 6 is provided with spring fingers 18' of similar configuration (FIG. 3), with upturned end portions 20' having upper surfaces 22'. The fingers 18, 18' extend in opposite directions, the fingers 18 extending toward the first end portion 4 of the bocly member 2 and the fingers l extending toward the second encl portion 6 of the body member.
The fingers 18 and the fingers 18' are aligned with each other and with the slots 16.
The assembly includes a guard portion 24, which is an extension of the front wall portion 8, and which, in a shaving operation, travels over the surface being shaved ahead of the cutting means.
The assembly further includes blade means comprising first and second blades 36, 36' FIG. 4~
each comprising a shaped member having a base portion 60 resting upon a pair of the spring Eingers 18, lB' and a cutter portion 62, the two portions 60, 62 defining therebet~7een an outside angle. In use, the blades 36, 36' are :individually movable in the planes of the base portion 60, respect:Lvely, and are able to move in response to pressure applied thereto further into the slots 16, and to move upwardly in the slots 16 in response to the bias of the spring filters.
The Eirst and second blades 36, 36' are clamped into place by spring clamps 40, ~7hich are received i.n slots 42 in the end portions 4, 6. The clamps 40 engage the blades 36, 36', forcing them into the slots 16 to a point ~7here a slight stress is placed on the spring fingers 18, 18'.
pab/JI.
~g2s~g The assembly is provided, on its underside, with connecting means 44 by which the blade assembly Jay be connected to a cooperating razor handle Pi, as illustrated in PIG. 5.
In use, the blade assembly is connected to the handle R and used for shaving operations,during which the blade means 36, 36' are individually movable in the directions in which extend the slots 16. Thus, the blade components of the blade assembly may adjust dynamically to the surfaces being shaved.
It is to be understood that the present invention is by no means limited to the particular construction herein disclosed and/or shown in the drawings, but also comprises any modiEication or equivalents within the scope of the disclosure.
Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:
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SU~MI~RY OF TIIE INVE~NTIO~
___ _ An object of the present invention is to provlde a blade assembly, generally similar to the blade assembly discolsed in U.S. Patent No. ~,168,571, but imporved there-over.
With the above and other objects in view, as will hereinafter appear, a feature of the present invention is the provision of a razor blade assembly comprising a body member, a guard member fixed to the body member, blade means mounted on the Cody member for movement thereon, the blade means being movable in response to forces encountered during a shav-ng operation, anl spring finger biasi.ng means integral with the body member and exercising a bias against the blade means.
The above and other features of the invention, including various novel details of construction and combina-tion of parts, will now be more particularly described with reference to the accompanying drawings and pointed out in the claims. It fill be understood that the particular blade assembly embodying the invention is shown by way of illustratioll only and not as a llmitation of the :inventlon.
The principles and features of this invention may be employed in various and numerous embodiments without departing from the scope of the invention.
BRIEF DESCRIPTION OF THE DR~I~INGS
Reference is made to the accompanying drawings in which is shown an illustrati-ve embodiment of the invention from which its novel features and advantages will be apparent.
pab/) ~89~9 In the ~rawin~s:
FIG. 1 is a fron elevational view owe one form of blade assembly illustrative of an embodiment of the invention.
FIG. 2 is a back elevational view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a sectional view taken a1Onz ling ~V-IY of Fig. 2; and FIG. 5 is a perspective view thereof; shown with a razor handle adapted to be used in conjuction with the blade assembly.
DESCRIPTION OF THE PREFERRED EMBODIME~
Referring to the drawings, it will be teen that the illustrated razor blade assembly includes eddy member 2 having first and second end portions 4~ 6 interconnected by front and back wall portions 8, 10. Frame positions 12 (FIGS 2 and 3) extend width-~ise of the body member, inter-connecting the front and back walls 8, 10.
The back wall portion 10 of the body member 2 has an upper portion 14 which engages skin being shaved behind the cutting means of the assembly, thereby fulEilling the functions and occupying the position oE the cap" portion of conventional razor blade assemblies. Such potion 14 shall for that reason, be referred to hereinafter as the "cap portion". -Each of the end portions 4, 6 is provided with opposed slots 16 (FIG.4). One of the frame members 12 near the first end portion 4 is provided with spring zingers 18 extending therefrom generally parallel to the front and back walls 8~ 10 (FIG. 3). Each of the fingers 18 is provided with pabl'-~8~299 an upt~lrned end portion 20 having an upper surface 22. In like manner, another of the frame members 12 near the second end portion 6 is provided with spring fingers 18' of similar configuration (FIG. 3), with upturned end portions 20' having upper surfaces 22'. The fingers 18, 18' extend in opposite directions, the fingers 18 extending toward the first end portion 4 of the bocly member 2 and the fingers l extending toward the second encl portion 6 of the body member.
The fingers 18 and the fingers 18' are aligned with each other and with the slots 16.
The assembly includes a guard portion 24, which is an extension of the front wall portion 8, and which, in a shaving operation, travels over the surface being shaved ahead of the cutting means.
The assembly further includes blade means comprising first and second blades 36, 36' FIG. 4~
each comprising a shaped member having a base portion 60 resting upon a pair of the spring Eingers 18, lB' and a cutter portion 62, the two portions 60, 62 defining therebet~7een an outside angle. In use, the blades 36, 36' are :individually movable in the planes of the base portion 60, respect:Lvely, and are able to move in response to pressure applied thereto further into the slots 16, and to move upwardly in the slots 16 in response to the bias of the spring filters.
The Eirst and second blades 36, 36' are clamped into place by spring clamps 40, ~7hich are received i.n slots 42 in the end portions 4, 6. The clamps 40 engage the blades 36, 36', forcing them into the slots 16 to a point ~7here a slight stress is placed on the spring fingers 18, 18'.
pab/JI.
~g2s~g The assembly is provided, on its underside, with connecting means 44 by which the blade assembly Jay be connected to a cooperating razor handle Pi, as illustrated in PIG. 5.
In use, the blade assembly is connected to the handle R and used for shaving operations,during which the blade means 36, 36' are individually movable in the directions in which extend the slots 16. Thus, the blade components of the blade assembly may adjust dynamically to the surfaces being shaved.
It is to be understood that the present invention is by no means limited to the particular construction herein disclosed and/or shown in the drawings, but also comprises any modiEication or equivalents within the scope of the disclosure.
Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:
-- 6.
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Claims (9)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A razor blade assembly comprising a body member a guard member fixed to said body member, blade means mounted on said body member for movement thereon, said blade means being independently movable in response to forces encountered during a shaving operation, and spring finger biasing means integral with said body portion and exercising a bias against said blade means, said blade means comprising a shaped member having a base portion and a cutter portion, said base and cutter portions defining therebetween an obtuse angle.
2. The invention in accordance with claim 1 in which said blade means comprises first and second blade members, said first and second blade members being movable idependently of each other, against said bias.
3. The invention is accordance with claim 2 in which said base portions of said first and second blade members are mounted respectively on said spring finger biasing means.
4. The invention in accordance with claim 3 in which said spring finger biasing means comprises first spring finger means in engagement with said first blade base portion, and second spring finger means in engagement with said second blade base portion.
5. The invention in accordance with claim 4 in which each of said spring finger means comprises a pair of spring fingers.
6. The invention in accordance with claim 5 in which said body portion is of molded plastic and said spring fingers are molded integrally with said body portion.
7. The invention in accordance with claim 2 in which said spring fingers biasing means includes a first set of spring fingers biasing said first blade member, and a second set of spring fingers biasing said second blade member.
8. The invention in accordance with claim 2 in which said assembly further includes a cap portion fixed to said body member and a guard portion fixed to said body member, said cap portion and guard portion being non-movable relative to said body member.
9. The invention in accordance with claim 7 in which said body member is of molded plastic and said first and second sets of spring fingers are molded integrally with said body member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/353,856 US4442598A (en) | 1981-01-30 | 1982-03-01 | Razor blade assembly |
| US353,856 | 1989-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1189299A true CA1189299A (en) | 1985-06-25 |
Family
ID=23390875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000422641A Expired CA1189299A (en) | 1982-03-01 | 1983-03-01 | Razor blade assembly |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4442598A (en) |
| EP (1) | EP0101722A4 (en) |
| JP (1) | JPS59500258A (en) |
| BR (1) | BR8306106A (en) |
| CA (1) | CA1189299A (en) |
| ES (1) | ES280953Y (en) |
| IT (1) | IT1164629B (en) |
| WO (1) | WO1983003072A1 (en) |
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| DE9108212U1 (en) * | 1991-07-03 | 1992-10-29 | Wilkinson Sword Gmbh | |
| DE9108213U1 (en) * | 1991-07-03 | 1992-10-29 | Wilkinson Sword Gmbh, 5650 Solingen, De | |
| ATE165545T1 (en) * | 1991-07-18 | 1998-05-15 | Warner Lambert Co | SHAVING HEAD WITH A VARIABLE SHAVING GEOMETRY |
| AU6698194A (en) * | 1993-08-04 | 1995-02-28 | Warner-Lambert Company | Dynamic shaving system |
| PT784530E (en) * | 1994-10-03 | 2000-04-28 | Gillette Co | CONSTRUCTION OF SHAVING MACHINE |
| USD428532S (en) * | 1996-06-13 | 2000-07-18 | American Safety Razor Company | Safety razor cartridge |
| US6035537A (en) * | 1997-09-30 | 2000-03-14 | The Gillette Company | Razor cartridge with metal clip retaining blades |
| US6009624A (en) * | 1997-09-30 | 2000-01-04 | The Gillette Company | Razor cartridge with movable blades |
| US6473970B1 (en) | 1997-10-20 | 2002-11-05 | American Safety Razor Company | Razor blade cartridge with lubricating flow paths |
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| US6182366B1 (en) | 1999-04-21 | 2001-02-06 | Warner-Lambert Company | Flexible razor assembly and cartridge |
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| US6167625B1 (en) | 1999-05-18 | 2001-01-02 | Warner-Lambert Company | Shaving implement |
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| US7162800B2 (en) * | 2003-05-12 | 2007-01-16 | Eveready Battery Company, Inc. | Wet shaving assembly |
| KR101123162B1 (en) * | 2003-06-26 | 2012-03-19 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | Bent razor blades and manufacturing of such razor blades |
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| US9517570B2 (en) | 2007-04-20 | 2016-12-13 | The Gillette Company | Razor cartridge |
| US20080256803A1 (en) * | 2007-04-20 | 2008-10-23 | William Earle Tucker | Razor cartridge pivot axis |
| US20100107425A1 (en) * | 2008-05-05 | 2010-05-06 | Eveready Battery Company Inc. | Razor Blade and Method of Manufacture |
| EP2823942A1 (en) * | 2013-07-10 | 2015-01-14 | The Gillette Company | Razor cartridges |
| BR112018068899A2 (en) | 2016-03-18 | 2019-01-22 | Personal Care Marketing And Res Inc | razor blade cartridge |
| EP3481607B8 (en) * | 2016-07-06 | 2022-06-01 | BIC Violex Single Member S.A. | Razor system |
| US9993931B1 (en) | 2016-11-23 | 2018-06-12 | Personal Care Marketing And Research, Inc. | Razor docking and pivot |
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| USD829993S1 (en) | 2017-08-15 | 2018-10-02 | Preston Hage, Llc | Handle for a safety razor |
| USD850723S1 (en) | 2018-01-09 | 2019-06-04 | Preston Hage, Llc | Safety razor chassis |
| USD884971S1 (en) | 2019-02-27 | 2020-05-19 | Pcmr International Ltd | Razor cartridge |
| USD884969S1 (en) | 2019-02-27 | 2020-05-19 | Pcmr International Ltd | Combined razor cartridge guard and docking |
| USD884970S1 (en) | 2019-02-27 | 2020-05-19 | PCMR International Ltd. | Razor cartridge guard |
| US11000960B1 (en) | 2020-11-16 | 2021-05-11 | Personal Care Marketing And Research, Inc. | Razor exposure |
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| US4302876A (en) * | 1980-03-14 | 1981-12-01 | Warner-Lambert Company | Razor blade with inclined edge |
| US4337575A (en) * | 1980-08-07 | 1982-07-06 | The Gillette Company | Razor blade assembly |
| US4324041A (en) * | 1980-08-07 | 1982-04-13 | The Gillette Company | Razor blade assembly |
-
1982
- 1982-03-01 US US06/353,856 patent/US4442598A/en not_active Expired - Lifetime
-
1983
- 1983-02-15 EP EP19830901049 patent/EP0101722A4/en not_active Withdrawn
- 1983-02-15 WO PCT/US1983/000231 patent/WO1983003072A1/en not_active Application Discontinuation
- 1983-02-15 JP JP83501075A patent/JPS59500258A/en active Pending
- 1983-02-15 BR BR8306106A patent/BR8306106A/en unknown
- 1983-02-25 IT IT47790/83A patent/IT1164629B/en active
- 1983-02-28 ES ES1983280953U patent/ES280953Y/en not_active Expired
- 1983-03-01 CA CA000422641A patent/CA1189299A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0101722A1 (en) | 1984-03-07 |
| ES280953U (en) | 1985-02-16 |
| IT1164629B (en) | 1987-04-15 |
| ES280953Y (en) | 1985-10-01 |
| BR8306106A (en) | 1984-01-17 |
| EP0101722A4 (en) | 1984-07-06 |
| JPS59500258A (en) | 1984-02-23 |
| WO1983003072A1 (en) | 1983-09-15 |
| US4442598A (en) | 1984-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |