Scissors with removable razor cartridges

Abstract

To provide a scissor device with an adjustable and detachable blade that allows a razor and scissors to be used at the same time.SOLUTION: A scissor / razor device for cutting hairs comprises static and dynamic blade members operably arranged so as to swivel with respect to each other. The static blade member has a blade portion. The blade portion has a tip portion at a first end portion and a handle portion at a second end portion. The blade portion has a cutting edge and a rear edge. The handle portion has a static neck portion and a static finger ring extending from the static neck portion. Further, the static blade member has an opening for receiving a tension screw. The opening is located closer to the first end than the second end between the first end and the second end. The blade portion has a slot. The slot is closed in a vicinity of the tip. The slot is arranged in parallel to the cutting edge of the static blade member. The slot is arranged so as to extend in left and right directions from the opening.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to hairstyling scissors that allow hairstylists to cut and style hair more efficiently. [Background technology]

[0002] For many hair stylists, success is not only due to the quality of their work, but also the speed at which they deliver their services. The more clients a stylist or hairdresser can serve in a day, the more money they can make. However, with the introduction of new technology, hairstyles are becoming more complex, and stylists must become familiar with new techniques to accommodate the styles requested. This creates a problem: to be successful, stylists need to learn how to use their tools in the most efficient way possible.

[0003] One tool that has remained popular for many years is the feather razor. Feather razors are used to add volume to hair. This is done by binding hair together to remove excess weight and prevent the head from flattening. Nearly all hairstylists own and regularly use feather razors. Depending on the style of haircut requested, hairstylists may have to switch between scissors and a feather razor multiple times during a cut. Switching between scissors and a feather razor while maintaining efficiency can lead to injury to the stylist or customer, unnecessary time spent on the service, and an inevitable reduction in the stylist's daily income.

[0004] U.S. Patent No. 4,805,305 discloses a combined razor and scissors device. The first jaw of the scissors has a recess for securing the razor. This combined device eliminates the need for a stylist to have separate razors and scissors. However, this device has the problem that the razor cartridge is inserted near the sharp part of the blade, which can cause injury. Another problem with this prior art device is that the razor can only be used with the scissors open, further increasing the risk of injury.

[0005] Hair trimming razors are well known in the art. As disclosed in U.S. Patent No. 6,092,288, these razors are provided with finger rings at the rear or other portion of the handle. However, this device presents a problem in that the razor cartridge is inserted near the sharp portion of the blade, posing a risk of injury.

[0006] U.S. Patent Application Publication No. 2007 / 0209214 discloses a combination hair tool including scissors and a razor. The combination hair tool has two scissor blade sections operably arranged to be pivotally connected. One of the scissor blade sections has a fixed blade holder with a blade holder slot, a handle section, and a finger ring. The scissor section of the razor blade in the combination hair tool receives a slidably fixed razor blade from the end opposite the finger ring toward the pivot connection. However, this device has a problem in that the razor cartridge is inserted near the sharp portion of the blade, posing a risk of injury.

[0007] Accordingly, there has long been a need for scissors with detachable feather razors that allow a hairstylist to cut hair with the scissors and style hair with a feather razor, with the razor securely secured and the hairstylist able to adjust the rotatably secured finger loops. There has also long been a need for scissors with detachable feather razors that are held in a cartridge that can be attached to the blades of the scissors from the finger rings of the scissors. Summary of the Invention [Means for solving the problem]

[0008] The present invention generally relates to scissors with a detachable feather razor, comprising a static blade member, a dynamic blade member, and a tension screw. The static blade member has a blade portion. The blade portion has a tip portion at a first end and a handle portion at a second end. The blade portion has a cutting edge and a rear edge, and the handle portion has a static neck portion and a static finger ring extending from the static neck portion. The static blade member has an opening for accommodating the tension screw, the opening being located between the first end and the second end and closer to the first end than to the second end. The blade portion has a slot, the slot being closed near the tip portion. The slot is aligned parallel to the cutting edge of the static blade member. The slot is aligned to extend leftward and rightward from the opening. The dynamic blade member has a blade portion. The blade portion has a tip portion at a first end and a handle portion at a second end. The blade portion has a cutting edge and a rear edge, and the handle portion has a dynamic neck portion and a dynamic finger ring extending from the dynamic neck portion. The dynamic blade member has an opening for receiving a tension screw, the opening being located between the first end and the second end and closer to the first end than to the second end. The tension screw is operably disposed through the static blade opening and the dynamic blade opening to hold the static blade member and the dynamic blade member in close proximity to each other and form a pivot point. The static blade member and the dynamic blade member are operably disposed to pivot relative to each other about the pivot point.

[0009] SUMMARY OF THE INVENTION It is an object of the present invention to provide an adjustable and removable blade and scissors device that allows a stylist to use a feather razor and scissors simultaneously.

[0010] A second object of the present invention is to provide scissors with removable razor blades held in a cartridge that is insertable into one of the scissors blades from the end of the scissors nearest the finger rings.

[0011] It is a further object of the present invention to provide a combination scissor / feather razor blade assembly, wherein the scissor includes a pivot point about which a pair of scissor blades pivot, and the cartridge containing the feather razor overlaps or straddles the pivot point for optimal scissor balance.

[0012] These and other objects of the present invention will become apparent from the following detailed description of the invention, taken in conjunction with the drawings and appended claims.

[0013] The nature and mode of operation of the present invention will be explained in more detail in the following detailed description of the invention, taken in conjunction with the accompanying drawings. [Brief explanation of the drawings]

[0014] [Figure 1] FIG. 1 is a left side view of the present invention in an open state. [Figure 2] FIG. 2 is a right side view showing the state in which the present invention shown in FIG. 1 is held by a user in the open state. [Figure 3] 3 is a left front perspective view of the present invention in the open state shown in FIG. [Figure 4] 4 is a right front perspective view of the present invention in the open state shown in FIG. [Figure 5] FIG. 5 is a left front perspective view of the present invention shown in FIG. 1 in a closed position. [Figure 6]FIG. 6 is a right front perspective view of the present invention shown in FIG. 1 in a closed position. [Figure 7A] FIG. 7A is a cross-sectional view of a static blade member according to the present invention taken along line 7A of FIG. 1 without a removable razor cartridge disposed thereon. [Figure 7B] FIG. 7B is a cross-sectional view of a static blade member according to the present invention along line 7B-7B of FIG. 1 with a removable razor cartridge disposed therein. [Figure 8] FIG. 8 is a partial cross-sectional view of the static blade member of the present invention taken along line 8-8 of FIG. 7A. [Figure 9] FIG. 9 is an exploded view of the present invention shown in FIG. DETAILED DESCRIPTION OF THE INVENTION

[0015] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present invention.

[0016] As used herein, the term "and / or" includes any and all combinations of one or more of the associated items. As used herein, the singular forms "a," "an," and "said" are intended to include the plural as well as the singular, unless the context clearly dictates otherwise.

[0017] It will be understood that the terms "comprising" and / or "including" as used herein specify the presence of stated features, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components and / or groups thereof.

[0018] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by a person of ordinary skill in the art to which this invention belongs. Furthermore, terms as defined in commonly used dictionaries should be interpreted in a manner consistent with the meaning in the context of the relevant art and this disclosure, and should not be interpreted in an idealized or overly formal sense unless explicitly defined herein.

[0019] It will be understood that multiple techniques and steps are disclosed in the description of the present invention, each of which has distinct advantages and each of which may be used in combination with one or more, and possibly all, of the disclosed techniques.

[0020] For the purposes of brevity, the description herein will not unnecessarily repeat all possible combinations of the individual steps.

[0021] With the understanding that such combinations are included within the scope of the present invention, reference should be made to the specification and claims.

[0022] In the following description, for purposes of explanation, several specific details are set forth in order to provide a thorough understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without these specific details.

[0023] This disclosure is illustrative of the invention and is not intended to limit the invention to the specific examples shown in the drawings or described below.

[0024] The present invention will now be described with reference to the accompanying drawings, which will now be described with reference to Figures 1-6. Figure 1 is a left side view of scissors and a removable feather razor in an open position. The scissors / razor combination 10 generally includes a dynamic blade member 17, a static blade member 11, and a removable razor cartridge 16. The dynamic blade member 17 and static blade member 11 are pivotally attached by a tension screw 20 secured by a lock nut 21 and tab 22, as further described below.

[0025] Dynamic blade member 17 further comprises dynamic blade cutting edge 12, dynamic blade member neck 24, dynamic finger ring 14, and bumper 19. Dynamic finger ring 14 is threadedly secured to dynamic blade member neck 24 by finger ring tension screws and spacers 26. Bumper 19 is threadedly secured to dynamic blade member neck 24.

[0026] The static blade member 11 further includes a static blade member cutting edge 13, a static blade member neck 23, a removable razor cartridge 16, a static finger ring 15, a finger guard 30, a finger rest 18, a neck finger rest 31, and a slot 50 (shown in Figures 7A-8) (described in more detail below). The finger rest 18 is threadedly secured to the static finger ring 15. The finger rest 18 has a finger rest washer 29 disposed on the male threaded member.

[0027] Figure 2 is a left side view of the scissor / razor combination 10 as it would appear when held by a user in the right hand 100. Figure 2 is described further below.

[0028] FIG. 3 is a right front perspective view of the scissor / razor combination 10 in the open position.

[0029] FIG. 4 is a left front perspective view of the scissor / razor combination 10 in the open position.

[0030] 3-4 and 9, the blade member tension screw 20 is inserted through the substantially centrally located dynamic blade member opening 40 and the substantially centrally located static blade member opening 41 to rotatably secure the dynamic blade member 17 and the static blade member 11. The static blade member opening 41 is countersunk and operably arranged to receive the conical washer 28. The tab 22 has a tab hook 61, an opening 62, and a protrusion 63. The opening 62 in the tab 22 is operably arranged to receive the tension screw 20. The tension screw 20 is secured by a lock nut 21. The lock nut 21 has a plurality of ridges operably arranged to frictionally secure the lock nut 21 against the protrusions 63 on the face of the tab 22. The opening 62 is operably arranged to receive the tab hook 61 to prevent rotation when the tension screw 20 and the lock nut 21 are threadably secured. Alternatively, the tab opening 43 may be a recess operably positioned to receive the tab hook 61 of the tab 22 .

[0031] Reference will now be made to Figures 5 and 6. Figure 5 is a left front perspective view of the scissors / razor combination 10 in the closed position. Figure 6 is a right front perspective view of the scissors / razor combination 10 in the closed position. Bumper 19 is operatively positioned to contact the outer surface of static finger ring 15. Bumper 19 prevents further closure of the scissors / razor combination 10 and prevents hair from getting caught when the blades attempt to exceed the limit imposed by bumper 19. Bumper 19 also notifies the user when the bumper makes contact with the surface of static finger ring 15.

[0032] Please refer to Figures 7A-8. Figure 7A is a cross-sectional view of the static blade member 11 of the present invention along line 7A in Figure 1, without a removable razor cartridge 16 disposed therein. Figure 7B is a cross-sectional view of the static blade member 11 along line 7B in Figure 1, with a removable razor cartridge 16 disposed in slot 50. Figure 8 is a partial left side view of the static blade member 11 along line 8 in Figure 7A, with the razor cartridge 16 removed from slot 50. Please refer to all figures in the following description. The removable razor cartridge 16 holds a razor blade 16'. The removable razor slot 50 is disposed in the center of the static blade member 11, on the surface opposite the static blade member cutting edge 13. The removable razor cartridge 16 is frictionally secured within the removable razor slot 50 by pressing outward on the edges that contact the inner surface of the removable razor slot 50. As shown in FIG. 8, the removable razor slot 50 terminates just short of the tip of the static blade member 11. The removable razor cartridge 16 substantially straddles the pivot points of the tension screw 20 at the dynamic blade member opening 40 and the static blade member opening 41. The removable razor cartridge 16 is slidably inserted into the removable razor slot 50 toward the end of the static blade member neck portion 23 and toward the static blade member cutting edge 13. The removable razor slot 50 extends a predetermined length in a direction away from the tip of the static blade member 11. As shown in FIG. 8, the length of the removable razor slot 50 extending from the static blade member opening 41 in a direction away from the tip of the static blade member 11 and toward the tab opening 43 is shorter than the length of the removable razor slot 50 extending toward the tip of the static blade member 11.

[0033] Referring to FIG. 2, FIG. 2 shows a scissors / razor combination 10 held in a right hand 100. The dynamic finger ring 14 is operably positioned to receive the thumb 104 and hold the dynamic blade member 17. The dynamic finger ring 14 can be rotated and adjusted to receive and position the thumb 104 in the most ideal and comfortable position for the user, thereby reducing fatigue associated with fixed thumb rings. The static finger ring 15 is operably positioned to receive the middle finger 102. The static finger ring has an inner finger guard 30 that protects the middle finger 102 from continued use and reduces fatigue associated with continued use. The neck finger rest 31 is operably positioned to provide a contoured, ergonomic surface for the index finger 101. The static blade member 11 also has a operably positioned finger rest 18 for optional placement of the ring finger 103, further enhancing comfort for extended use.

[0034] To use the detachable razor 16, the scissor / razor combination 10 is moved to the closed position shown in Figures 5 and 6. The user combs through a layer or section of hair and moves the detachable razor 16 up and down along that layer or section to create texture or a feathered look.

[0035] Various presently unforeseen or unanticipated alternatives, modifications, variations or improvements may subsequently occur to those skilled in the art, which are intended to be encompassed by the following claims.

[0036] It will be appreciated that various aspects of the above-disclosed and other features and functions, or alternatives thereof, may be desirably combined into other different systems or applications, and that presently unforeseen or unanticipated substitutions, modifications, variations, or improvements may subsequently occur to those skilled in the art that are intended to be encompassed by the following claims. [Explanation of symbols]

[0037] 10 Scissors / Razor Combination 11 Static blade member 12 Dynamic blade cutting edge 13 Static blade cutting edge 14 Dynamic Fingering 15 Static Fingering 16' Razor (razor blade) 16 removable razor cartridges 17 Static blade member 18 Finger Rest 19 Screw-type bumper 20 Blade member tension screw 21 Lock nut 22 tabs 23 static blade member neck 24 Dynamic blade member neck 25 Finger Ring Tension Screw 26 Spacer 28 Conical washer 29 Finger rest washer 30 Finger Guard 31 Neck finger rest 40 Dynamic blade member opening 41 static blade member opening 42 Finger Ring Opening 43 Tab opening 44 Finger rest opening 45 Threaded bumper opening 46 Screw-type finger ring opening 50 slots 61 Tab Hook 62 Aperture 63 Friction Bump

Claims

1. A pair of scissors with a removable razor cartridge, a static blade member; a dynamic blade member; A tension screw; Equipped with the static blade member has a blade portion having a tip portion at a first end and a handle portion at a second end, the blade portion having a cutting edge and a trailing edge; the handle portion has a static neck portion and a static finger ring extending from the static neck portion; the trailing edge extends from the tip and terminates at the static neck; the blade portion has an opening for receiving the tension screw, the opening being located between the first end and the second end and closer to the first end than to the second end; the blade portion has a slot located in the rear edge; the slot is closed near the tip and open near the static neck, the slot is positioned to extend longitudinally from the opening toward the first end and the second end, and the slot removably retains the removable razor cartridge; the dynamic blade member has a blade portion having a tip portion at a first end and a handle portion at a second end, the blade portion having a cutting edge and a trailing edge; the handle portion has a dynamic neck portion and a dynamic finger ring extending from the dynamic neck portion; the blade portion has an opening for receiving the tension screw, the opening being located between the first end of the dynamic blade member and the second end of the dynamic blade member, the opening being closer to the first end of the dynamic blade member than to the second end of the dynamic blade member; Scissors with a detachable razor cartridge, characterized in that the tension screw is positioned through the opening in the static blade member and the opening in the dynamic blade member to hold the static blade member and the dynamic blade member in close proximity to each other and form a pivot point, and the static blade member and the dynamic blade member are operably arranged to pivot relative to each other about the pivot point.

2. 2. The scissors with removable razor cartridge of claim 1, wherein said static neck portion of said static blade member has a finger rest extending outwardly from said static finger ring of said static blade member.

3. 2. The scissors with removable razor cartridge of claim 1, wherein said dynamic finger ring is pivotally disposed.

4. 10. The scissors with removable razor cartridge of claim 1, wherein said removable razor cartridge is operably arranged to hold a razor blade.

5. 2. The scissors with removable razor cartridge of claim 1, wherein said dynamic blade member and said static blade member are made of steel.

6. 2. The scissors with removable razor cartridge of claim 1, wherein said dynamic blade member and said static blade member are made of aluminum.

7. the dynamic blade member and the static blade member are rotatably secured by the tension screw and lock nut; 2. The scissors with removable razor cartridge of claim 1, wherein a tab is sandwiched between said lock nut and said static blade member.

8. 10. The scissors with removable razor cartridge of claim 1, further comprising a rubber guard operatively disposed over an inner surface of a finger ring of said static blade member.

9. 10. The scissors with removable razor cartridge of claim 1, wherein said dynamic neck comprises a threadedly secured bumper.

10. 1. A static blade member for scissors with a detachable razor cartridge, comprising: the static blade member has a blade portion having a rear edge extending longitudinally from a tip of the blade portion to a neck portion of the static blade member; the neck portion is disposed on the opposite side of the tip in the longitudinal direction of the static blade member, a slot in the rear edge, the slot having an open end and a closed end; the open end of the slot is located near the neck portion and the closed end of the slot is located near the tip of the blade portion; The slot is configured at the open end to receive and removably retain the removable razor cartridge.

11. the blade portion of the static blade member further comprises an opening; the opening is provided near the neck portion, the slot extends longitudinally a first length from the opening toward the open end and a second length from the opening toward the closed end; The static blade member of claim 10 , wherein the second length of the slot is greater than the first length of the slot.

12. 12. A pair of scissors having a static blade member according to claim 11, the scissors include a dynamic blade member; the dynamic blade member has a blade portion; the blade portion of the dynamic blade member has an opening; the dynamic blade member has a neck portion extending longitudinally from the blade portion, the neck portion being disposed on an opposite side of the longitudinal direction of the dynamic blade member from the tip of the blade portion, the neck portion having a dynamic finger ring rotatably fixed thereto; The opening in the blade portion of the dynamic blade member and the opening in the static blade member receive a tension screw, which rotatably secures the dynamic blade member and the static blade member.

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