TWM455606U - Safety scissors - Google Patents

Abstract

The subject utility model relates to a safety scissor having a pivotable blade sheath. When the scissor is not in use, the blades of the scissor can be received within the blade sheath. Further, the blade sheath can be pivotally opened so as to facilitate the cleaning of the blade sheath. The safety scissor can have a safety valve, whereby the pivotal movement of the scissor can be limited and thus the risk that a user unintentionally opens the scissor and hurt others or damage articles can be avoided.

Description

Safety scissors

The technology to which this creation belongs provides a safety scissors, particularly a safety scissors for cutting baby food.

Press, scissors are a must-have item for the average family. Generally, the structure of the scissors pivots the two symmetrical cutter bodies together, and then the blades of the cutter body are closely connected to achieve the purpose of shearing. However, traditional scissors often have a sharp end that can easily injure others or damage other items. In particular, scissors for cutting baby food are more likely to be in contact with infants and children, and it is more likely to have an injury event. Although some scissors passivate the ends to avoid stab wounds, such so-called safety scissors are prone to improper cuts caused by children carrying out scissors.

In view of this, manufacturers have added sheaths to scissors, such as U.S. Patent No. 4,916,815 and U.S. Patent Publication No. 2005/0204566, to increase the safety of the scissors. However, if the design is used for scissors for infants, it is often difficult to hide the dirt due to the cleaning of the sheath itself, thereby affecting the cleanliness of the scissors. This is not a big deal for scissors that need to cut baby food. Moreover, if the scissors are loose when the sheath is loose, it is easy for the baby to accidentally carry the scissors and accidentally injure himself.

In view of the above-mentioned deficiencies of the prior art, the creator proposes a safety scissors which can insert the blade of the scissors into the sheath when not in use to avoid accidentally injuring others and inadvertently damaging other articles, and the sheath can be deployed to facilitate clear clean.

For the above purposes, the safety scissors of the present invention comprises a first scissors member having a first handle segment and a first blade segment extending from one end of the first handle segment; a second scissors member having a second handle segment and a second blade segment extending from one end of the second handle segment; a pivoting member pivotally connecting the first blade segment to the second blade segment; and a blade sheath having a blade An upper cover and a lower cover, the lower cover being pivotally connected to the upper cover at a pivotal end, the upper cover pivoting to be combined with the lower cover to define when the blade cover is in a closed state A space accommodates the first and second cutting edges, and when the blade sheath is in an open state, the upper cover pivots to disengage from the lower cover.

According to another preferred aspect of the present invention, the blade sheath has a port at the pivot end.

According to another preferred aspect of the present invention, the upper cover has a male joint, and the lower cover has a female joint, so that when the blade sheath is in the closed state, the male joint is closely coupled with the female joint To fix the position of the upper and lower covers.

According to another preferred aspect of the present invention, the pivot axis of the blade sheath crosses one of the planes of the blade sheath in a closed state.

According to another preferred aspect of the present invention, the pivoting shaft of the blade sheath is orthogonal to a plane in which the blade sheath is in a closed state.

According to another preferred aspect of the present invention, the pivoting member has a raised portion, and at least one of the upper cover and the lower cover includes a pair of pawls, the pawl being disposed opposite to the pivot end And a positioning portion is defined on the end, so that when the blade segment is inserted into the space of the blade sheath, the convex portion of the pivoting member is clawed Clamped and fixed in the positioning portion, and the blade edge is positioned in the blade sheath.

According to a preferred aspect of the present invention, the pivoting member has a raised portion, and at least one of the upper cover and the lower cover includes a recessed portion so that when the blade edge is inserted into the space of the blade cover, the pivot The raised portion of the attachment member is received by the recess and the blade segment is positioned in the blade sheath.

According to another preferred aspect of the present invention, at least one of the upper cover and the lower cover has an opening to expose the blade edge.

According to another preferred aspect of the present invention, the first and second handle segments each have a serration and the serrations face to form a bottle opening device.

According to another preferred aspect of the present invention, the first and second handle segments each have a ridge on an inner surface to avoid excessive inward displacement of the first and second handle segments.

According to another preferred aspect of the present invention, the first handle segment has a track portion on an inner surface facing the second handle segment, and the second handle segment has a boss facing the first handle segment. And a safety valve is slidably disposed on the rail portion and engageable with the boss to limit movement of the first and second handle segments.

In addition, in order to make up for the deficiencies described in the prior art, the creator proposes a safety scissors which can have a safety valve to prevent the scissors from being opened, thereby avoiding accidental opening and closing of the scissors and accidentally injuring others or damaging other items.

For the above purposes, the safety scissors of the present invention comprises a first scissors member having a first handle segment and a first blade segment extending from one end of the first handle segment, the first handle segment being on an inner surface Having a track portion thereon; a second scissors member having a second handle segment and a second blade segment a second blade segment extending from one end of the second handle segment, and the second handle segment has a boss facing the first handle segment, the boss having a widened head; and a pivoting member pivoting the first blade segment Connected to the second cutting edge segment; and a safety valve slidably disposed on the rail portion and having a stepped recess, the stepped recess having at least one step, wherein when the first and second handle segments are juxtaposed The safety valve slides to a locked position, and the step of the stepped recess in the locked position engages with the bottom end of the widened head to limit the pivotal movement of the first scissor member and the second scissor member.

According to another preferred aspect of the present invention, the first and second handle segments each have a serration portion that faces to form a bottle opening device.

According to another preferred aspect of the present invention, the first and second handle segments each have a ridge on the inner surface to avoid excessive inward displacement of the first and second handle segments.

According to another preferred aspect of the present invention, the safety scissors further includes a blade sheath having an upper cover and a lower cover, the lower cover being pivotally coupled to the upper cover at a pivotal end, When the blade guard is in a closed state, the upper cover pivots to engage the lower cover to define a space for receiving the first and second cutting edges, and when the blade sheath is in an open state, the upper guard The cover system pivots to disengage from the lower cover.

According to another preferred aspect of the present invention, the blade sheath has a port at the pivot end.

According to another preferred aspect of the present invention, the upper cover has a male joint, and the lower cover has a female joint, so that when the blade sheath is in the closed state, the male joint is closely coupled with the female joint To fix the position of the upper and lower covers.

According to another preferred aspect of the present invention, the pivot axis of the blade sheath crosses one of the planes of the blade sheath in a closed state.

According to another preferred aspect of the present invention, the pivoting shaft of the blade sheath is orthogonal to a plane in which the blade sheath is in a closed state.

According to another preferred aspect of the present invention, the pivoting member has a raised portion, and at least one of the upper cover and the lower cover includes a pair of pawls, the pawl being disposed opposite to the pivot end And a positioning portion is defined on the end, so that when the blade segment is inserted into the space of the blade sheath, the convex portion of the pivoting member is clamped by the pawl and fixed in the positioning portion, and the blade segment is positioned in the blade sheath in.

According to another preferred aspect of the present invention, the pivoting member has a raised portion, and at least one of the upper cover and the lower cover includes a recess so that when the blade segment is inserted into the space of the blade cover, The raised portion of the pivotal member is received by the recess and the blade segment is positioned in the blade sheath.

According to another preferred aspect of the present invention, at least one of the upper cover and the lower cover has an opening to expose the blade edge.

Other features and advantages of the present invention will be apparent from the following description of the preferred embodiments.

The following examples further illustrate this creation. They are merely illustrative of the present invention and illustrate various advantages of the specific embodiments of the present invention, but do not imply that the present invention is limited to such presentation.

FIG. 1 is a schematic view showing a preferred embodiment of the safety scissors of the present invention, and FIG. 2 is an exploded view of a preferred embodiment of the safety scissors of the present invention. As shown in Figures 1 and 2, the safety scissors of this creation mainly have a first The scissors member 10, a second scissors member 20 and a pivot member 30. The first scissor member 10 has a first handle segment 12 and a first blade segment 14. The first handle segment 12 has a ring opening 120 for the user to hold, and the first blade segment 14 is from the first handle segment 12. One end extends out and is used to cut items. Similarly, the second scissor member 20 also has a second handle segment 22 and a second blade segment 24, the second handle segment 22 has a ring opening 220 for the user to hold, and the second blade segment 24 is from the second handle segment. One end of 22 extends out and is used to cut the item. The pivoting member 30 then has a raised portion 32.

In addition, a first pivoting hole 140 is defined in the first blade segment 14 , and a corresponding pivoting hole 240 is defined in the second blade segment 24 , and the pivoting members 30 are inserted through the pivoting holes 140 , 240 . The first scissors member 10 is pivotally coupled to the second scissors member 20. When in use, the user grasps the safety scissors of the present invention by using the ring openings 120, 220 on the first and second handle sections 12, 22, and then the user can apply force to make the first scissors component 10 and the second The scissors member 20 is relatively pivoted to cause the first blade segment 14 and the second blade segment 24 to be carried out. At this time, the object to be cut can be placed between the first blade segment 14 and the second blade segment 24, and then the user applies the force again to pivotally close the first blade segment 14 and the second blade segment 24 to The cutting edge is brought into contact with the cutting edge.

As shown in Figures 3 and 4, the safety scissors of the present invention is additionally provided with a blade sheath 40. The blade sheath 40 has an upper cover 42 and a lower cover 44 that is pivotally coupled to the upper cover 42 at a pivot end 46. In a preferred embodiment of the present invention, the upper cover 42 is provided with a male joint 420, and the lower cover 44 is provided with a corresponding female joint 440. When the blade sheath 40 is in a closed state (as shown in FIG. 3a), the upper cover 42 pivots to abut the lower cover 44. The upper cover 42 and the lower cover 44 are fixed by the joint portion 420 being joined to the female joint portion 440. At this time, a space 48 is defined between the upper cover 42 and the lower cover 44 for receiving the first blade segment 14 and the second blade segment 24 of the safety scissors. On the contrary, the user can also apply a force to release the coupling relationship between the male joint 420 and the female joint 440, and then pivot the upper cover 42 away from the lower cover 44, so that the blade sheath 40 is in an open state for convenient use. The inside of the blade sheath 40 is cleaned.

The upper cover 42 and the lower cover 44 are respectively provided with a pair of pawls 422, 442 at opposite ends of the pivot end 46, and define a positioning portion 49 between the pawls 422, 442, so that the blade sheath 40 When in the closed state, the blade segments 14, 24 of the safety scissors are inserted into the space 48 defined by the blade guard 40, and the raised portion 32 of the pivot member 30 also passes through the pawls 422, 442 to enter the position. In the portion 49, the boss portion 32 is defined in the positioning portion 49 by the clamping of the pawls 422, 442, so that the blade segments 14, 24 of the safety scissors are fixed in the blade sheath 40 for safety protection. the goal of.

The blade sheath 40 shown in Fig. 3 has a pivot axis of the upper cover 42 and the lower cover 44 transverse to the plane formed by the blade sheath 40 in the closed state. However, the present invention can also design the pivot axes of the upper and lower covers 42, 44 to be orthogonal to the plane formed by the blade sheath 40 in the closed state. Because the principle of its operation is similar, it will not be described here.

In addition, the blade holder 40 of the present invention can be provided with a port 460 (see FIG. 4) at the pivot end 46 for ventilation and convenient cleaning. An opening 424, 444 may be provided on the upper and lower covers 42 and 44 of the blade sheath 40 to expose the blade segments 14, 24 inserted in the blade sheath 40, thereby exposing the blade segment 14, 24 patterns, trademarks, etc.

The safety scissors of the present invention can be inserted into the blade sheath 40 when the blade is not used normally, so as to prevent others from being accidentally injured by the blade. To use the safety scissors of the present invention, the user can hold the ring ports 120, 220 of the first and second handle segments 12, 22 in one hand, and hold the blade sheath 40 in the other hand, and apply force to make the first and the first The two scissor members 10, 20 are disengaged from the blade sheath 40. At this time, the convex portion 32 on the pivoting member 30 pushes the pawls 422 and 442 on the blade sheath 40 to deform the positioning portion 49, thereby making the positioning portion 49 expand. The raised portion 32 can be smoothly removed from the positioning portion 49 and disengaged from the clamping of the pawls 422, 442, thereby disengaging the first and second scissors members 10, 20 from the blade sheath 40. At this time, the user can operate the safety scissors to perform the cutting action as described above. After the use is completed, the blade segments 14, 24 of the first and second scissors members 10, 20 are inserted into the blade sheath 40 for protection purposes.

Figure 5 shows another embodiment of the present safety scissors. In this embodiment, the pawls 422, 442 and the positioning portion 49 are replaced with a recessed portion 41, so that when the blade segments 14, 24 are inserted into the blade sheath 40, the convex portion 32 of the pivotal member 30 is received by the recessed portion 41. And the blade segments 14, 24 are fixed in the blade sheath 40 by the material elasticity of the recess 41 itself.

As shown in FIG. 1 and FIG. 2, in another embodiment of the present invention, the first handle segment 12 is provided with a rail portion 13 on the inner surface facing the second handle segment 22, and the rail portion 13 is slidably disposed. There is a safety valve 50. The safety valve 50 is provided with a stepped recess 52 at one end, and the stepped recess 52 is provided with at least one step. The second handle section 22 is provided with a stud 23 on the inner surface facing the first handle section 12, and the stud 23 is provided with a widening head 230. When the first handle segment 12 and the first When the two handle segments 22 are juxtaposed (as shown in FIG. 1), the safety valve 50 can be slid on the rail portion 13 to a locked position, and the step of the stepped recess 52 is engaged with the bottom end of the widened head 230. If the user wants to apply force to pivot the first scissors member 10 relative to the second scissors member 20, the engagement relationship between the step of the stepped recess 52 and the bottom end of the widened head 230 may generate a reaction force to limit This pivotal movement prevents the safety scissors from being used abnormally. On the other hand, if the user wants to use the safety scissors normally, the safety valve 50 only needs to be reversely slid to disengage from the locked position, and the step of the stepped recess 52 is released between the bottom end of the widened head 230 and the widened head 230. The engagement relationship is such that the user can normally pivot the first and second scissors members 10, 20 for cutting.

The safety scissors of the present invention can be provided with a facing serration 122, 222 on the inner surfaces of the first and second handle sections 12, 22, respectively, when the first handle section 12 and the second handle section 22 are juxtaposed (as shown in the figure) 6)), the two serrations 122, 222 define an area for use as a bottle opening device.

Furthermore, the safety scissors of the present invention can be provided with a ridge 124, 224 on the inner surface of the first handle section 12 and the second handle section 22, so that when the first handle section 12 pivots to the second handle section 22, this The second ridges 124, 224 will first contact each other to avoid excessively inward displacement of the first and second handle segments 12, 22 to damage the structure of the safety scissors.

In the above, the above is a preferred embodiment of the present invention, and the scope of the patent is not limited thereby, and the scope of the patent in this case is still subject to the definition of the patent application attached below.

10‧‧‧First scissors unit

12‧‧‧First handle section

13‧‧‧ Track Department

14‧‧‧First blade

20‧‧‧Second scissors unit

22‧‧‧second handle section

23‧‧‧Bump

24‧‧‧second blade

30‧‧‧ pivotal parts

32‧‧‧ raised parts

40‧‧‧blade sheath

41‧‧‧Depression

42‧‧‧Upper cover

44‧‧‧Under the cover

46‧‧‧ pivot end

48‧‧‧ Space

49‧‧‧ Positioning Department

50‧‧‧Safety valve

52‧‧‧stepped recess

120, 220‧‧‧ ring

122, 222‧‧ ‧ serrated

124, 224‧‧ ‧ Uplift

140, 240‧‧‧ pivot holes

230‧‧ ‧ widening the head

420‧‧‧ Public Department

422, 442‧‧‧ pawl

424, 444‧‧‧ openings

440‧‧ ‧ mater

460‧‧‧ mouth

Figure 1 shows a schematic representation of a preferred embodiment of the safety scissors of the present invention. Figure.

Figure 2 is an exploded view of the preferred embodiment of the safety scissors of the present invention; Figure 2a is a schematic view of the safety valve and the track portion of the creation safety scissors; Figure 2b shows the column of the safety scissors Schematic diagram.

Fig. 3a is a schematic view showing the closed state of the blade sheath of the creation safety scissors; Fig. 3b is a schematic view showing the open state of the blade sheath of the creation safety scissors.

Figure 4 shows a schematic view of the blade segment after it has been inserted into the blade sheath.

FIG. 5 is a schematic view showing another embodiment of the creation safety scissors.

FIG. 6 is a schematic view showing another embodiment of the creation safety scissors.

12‧‧‧First handle section

14‧‧‧First blade

22‧‧‧second handle section

24‧‧‧second blade

30‧‧‧ pivotal parts

44‧‧‧Under the cover

50‧‧‧Safety valve

444‧‧‧ openings

460‧‧‧ mouth

Claims (24)

A safety scissors comprising: a first scissors member having a first handle segment and a first blade segment, the first blade segment extending from one end of the first handle segment; a second scissors member having a second handle segment and a second blade segment extending from one end of the second handle segment; a pivoting member pivotally connecting the first blade segment to the second blade segment; a blade sheath having an upper cover and a lower cover, the lower cover being pivotally coupled to the upper cover at a pivotal end, the upper guard being in a closed state when the blade cover is in a closed state The cover system pivots to engage the lower cover to define a space for receiving the first and second cutting edges, and when the cutting edge is in an open state, the upper cover pivots to disengage The combination of the lower cover. The safety scissors of claim 1, wherein the blade sheath has a port at the pivot end. The safety scissors according to claim 1, wherein the upper cover has a male joint, and the lower cover has a female joint, so that when the blade sheath is in the closed state, the male joint is The female joint is tightly coupled to secure the position of the upper and lower covers. The safety scissors of claim 1, wherein the pivot axis of the blade sheath crosses a plane in which the blade sheath is in a closed state. The safety scissors of claim 1, wherein the pivoting shaft of the blade sheath is orthogonal to a plane of the blade sheath in a closed state. The safety scissors of claim 1, wherein the pivoting member has a raised portion. The safety scissors of claim 6, wherein at least one of the upper cover and the lower cover comprises a pair of pawls, the pawls being disposed on an end opposite to the pivot end, and Defining a positioning portion such that when the blade segments are inserted into the space of the blade sheath, the convex portion of the pivoting member is clamped by the pawls and fixed in the positioning portion, and the blades are The segment is positioned in the blade sheath. The safety scissors of claim 6, wherein at least one of the upper cover and the lower cover includes a recessed portion, such that the blade member is inserted into the space of the blade cover when the blade edge is inserted into the space of the blade cover The raised portion is received by the recess and the blade segments are positioned in the blade sheath. The safety scissors of claim 1, wherein at least one of the upper cover and the lower cover has an opening to expose the blade edge. The safety scissors of claim 1, wherein the first and second handle segments each have a serration portion that faces to form a bottle opening device. The safety scissors of claim 1, wherein the first and second handle segments respectively have a ridge on an inner surface to avoid excessive inward displacement of the first and second handle segments. The safety scissors according to claim 1, wherein the first handle segment has a rail portion on an inner surface facing the second handle segment, and the second handle segment has a convex surface facing the first handle segment. a column, and one of the safety valves is slidably disposed on the rail portion and engageable with the stud The movement of the first and second handle segments is made. A safety scissors comprising: a first scissors member having a first handle segment and a first blade segment, the first blade segment extending from one end of the first handle segment, the first handle segment being within a The surface has a track portion; a second scissors member having a second handle segment and a second blade segment extending from one end of the second handle segment, the second handle segment having a face a post of the first handle segment, the stud having a widened head; a pivoting member pivotally connecting the first blade segment to the second blade segment; and a safety valve that is slidable Disposed on the rail portion and having a stepped recess having at least one step, wherein when the first and second handle segments are juxtaposed, the safety valve slides to a locked position, The step of locking the stepped recess engages the bottom end of the widened head to limit pivotal movement of the first scissor member and the second scissor member. The safety scissors of claim 13, wherein the first and second handle segments each have a serration portion that faces to form a bottle opening device. The safety scissors of claim 13, wherein the first and second handle segments respectively have a ridge on the inner surface to avoid excessive inward displacement of the first and second handle segments. The safety scissors of claim 13 further comprising a blade sheath, The blade sheath has an upper cover and a lower cover, the lower cover being pivotally connected to the upper cover at a pivotal end, and when the blade cover is in a closed state, the upper cover is Pivoting to engage the lower cover to define a space for receiving the first and second blade segments, and when the blade sheath is in an open state, the upper cover pivots to disengage and The combination of the cover. The safety scissors of claim 16, wherein the blade sheath has a port at the pivot end. The safety scissors of claim 16, wherein the upper cover has a male portion, and the lower cover has a female portion, such that when the blade sheath is in the closed state, the male portion is The female joint is tightly coupled to secure the position of the upper and lower covers. The safety scissors of claim 16, wherein the pivot axis of the blade sheath crosses a plane in which the blade sheath is in a closed state. The safety scissors of claim 16, wherein the pivoting shaft of the blade sheath is orthogonal to a plane of the blade sheath in a closed state. The safety scissors of claim 16, wherein the pivoting member has a raised portion. The safety scissors of claim 21, wherein at least one of the upper cover and the lower cover comprises a pair of pawls, the pawls being disposed on an end opposite to the pivot end, and Defining a positioning portion such that when the blade segments are inserted into the space of the blade sheath, the convex portion of the pivoting member is clamped by the pawls and fixed in the positioning portion, and the blades are The segment is positioned in the blade sheath. The safety scissors of claim 21, wherein at least one of the upper cover and the lower cover includes a recessed portion, such that the blade member is inserted into the space of the blade cover when the blade edge is inserted into the space of the blade cover The raised portion is received by the recess and the blade segments are positioned in the blade sheath. The safety scissors of claim 16, wherein at least one of the upper cover and the lower cover has an opening to expose the blade edge.