The present invention relates to hole punches and more particularly to hand-held hole punches for creating holes through paper.
Hand-held hole punches are employed to create a hole through one or more sheets of paper. It may be desirable to pierce a hole through paper to allow a user to place the sheets of paper in a ring binder.
A conventional single hole hand-held hole punch 10 is illustrated in
To create a hole using the hole punch 10 of
In one aspect of the invention, a hand-held hole punch is disclosed. The hand-held hole punch includes a handle assembly including a first handle and a second handle, where a longitudinal length of at least a substantial portion of the second handle is arranged to be substantially parallel to at least a portion of the first handle. The hole punch further includes a first jaw coupled to the first handle and a second jaw coupled the second handle, where the second jaw is spaced apart from the first jaw. A punch is coupled to the second jaw, and the handle assembly is adapted to actuate the punch, from a rest position to a deployed position, by movement of at least one of the first and second handles in manner that maintains the substantially parallel relationship of the longitudinal length of at least a substantial portion of the second handle with the at least a portion of the first handle.
In another aspect of the invention, a hand-held hole punch is disclosed. The hand-held hole punch includes a handle assembly with a first handle and a second handle, a first jaw coupled to the first handle and a second jaw coupled the second handle, where the second jaw is spaced apart from the first jaw. The hole punch further includes a first linkage pivotally coupled to the second handle and coupled to the second jaw, and a second linkage pivotally coupled to both the first handle and the second handle. A punch is coupled to at least one of the first jaw and the second jaw, and the handle assembly is adapted to actuate the punch, from a rest position to a deployed position, by movement of at least one of the first and second handles in a manner that rotates the first and second linkages.
Various embodiments of the present invention provide certain advantages. Not all embodiments of the invention share the same advantages and those that do may not share them under all circumstances.
Further features and advantages of the present invention, as well as the structure of various embodiments of the present invention are described in detail below with reference to the accompanying drawings.
The accompanying drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures is represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. In the drawings:
This invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,” “comprising,” or “having,” “containing”, “involving,” and variations thereof herein, is meant to encompass the items listed thereafter and equivalents thereof as well as additional items.
Aspects of the invention are directed to a hand-held hole punch used to create holes through material, such as, but not limited to, one or more sheets of paper. The holes may be pierced in the paper to allow a user to place the sheets of paper in a ring binder. The hand-held hole punch includes a handle assembly having a first handle and a second handle with a first jaw coupled to the first handle and a second jaw coupled to the second handle. A punch configured to pierce holes into the paper is coupled to one of the jaws and the handle assembly is configured to actuate the punch. It should be appreciated that the hole punch may also be configured to create holes through non-paper material, as the invention is not so limited.
Certain embodiments of the present invention are directed to a hand-held hole punch having a handle assembly which is configured to make it easier for a user to actuate the punch. As discussed in greater detail below, the handle assembly may be configured to actuate the punch by substantially linear movement (i.e. non-rotational movement) of a portion of the handle assembly. The handle assembly may be configured to actuate the punch by movement of a portion of the handle assembly in a direction such that it maintains a substantially parallel relationship with another portion of the handle assembly.
Other embodiments of the present invention are directed to a hand-held hole punch with a linkage assembly including a first linkage and a second linkage. In one embodiment, the first linkage is pivotally coupled to the first handle, and the second linkage is pivotally coupled to both the first handle and the second handle.
Turning now to the drawings, it should be appreciated that the drawings illustrate various components and features which may be incorporated into various embodiments of the present invention. For simplification, some of the drawings may illustrate more than one optional feature or component. However, the present invention is not limited to the specific embodiments disclosed in the drawings. It should be recognized that the present invention encompasses embodiments which may include only a portion of the components illustrated in any one figure, and/or may also encompass embodiments combining components illustrated in multiple different drawings.
In
The first jaw 36 is spaced apart from and positioned opposite the punch 32 and may include an opening 24 sized to receive the punch 32. In one illustrative embodiment, the first jaw 36 has an opening 24 arranged such that the punch 32 can extend into the opening 24 after the hole is created through the paper. The hole punch 30 may also include a paper guide 48 positioned in between the jaws 36, 38. The paper guide 48 may be used to hold the paper and separate the paper from the punch 32 after the punch 32 creates a hole through the paper. As shown, the guide 48 may include an opening aligned with the opening 24 in the first jaw 36 so that the punch 32 can pass through the guide 48.
A handle assembly 34, including a first handle 40 and a second handle 60, is configured to actuate the punch 32. Upon actuation of the handle assembly 34, the punch 32 moves from a rest position (shown in
As shown in
In one embodiment, the handle assembly 34 includes a first linkage 50 pivotally coupled to the second handle 60. As shown in
The first linkage 50 may be coupled to the second jaw 38 and may be movable therewith. In one embodiment, the first linkage 50 may be pivotally coupled to the second handle 60 and the second end of the first linkage 50 may be coupled to the second jaw 38 such that movement of the second handle 60 moves the second jaw 38 and the punch 32 downwardly into its deployed position. As shown in
In one illustrative embodiment, the first linkage 50 is pivotally coupled to the first handle 60. As shown in
It should further be recognized that in other embodiments, the first linkage 50 may be coupled to the first handle 40, the second handle 60 and/or the second jaw 38 differently as the invention is not limited in this respect.
In one embodiment, the handle assembly includes a second linkage 70 pivotally coupled to both the first and second handles 40, 60. As shown in
The second end of the second linkage 70 may be pivotally coupled to the first handle 40 at pin 76. Similar to the second handle 60, the first handle 40 may also include a handle inner component 42 configured to hold the pin 76. In one illustrative embodiment, the handle inner component 42 has a hole sized to receive the pin 76. As shown in
It should be appreciated that in other embodiments, the second linkage 70 may be coupled to the first and second handles 40, 60 differently, as the invention is not limited in this respect.
In one embodiment, linear movement of the second handle 60 relative to the first handle 40 actuates the punch 32. In one illustrative embodiment, movement of the second handle 60 in a manner that maintains the substantially parallel relationship of the longitudinal length of a substantial portion of the second handle 60 with at least a portion of the first handle 40 actuates the first linkage 50 which moves the punch 32. As shown in
In this regard, upon pressing the second handle 60 toward the first handle 40 in the direction of arrow A (see
As shown in
The hole punch 30 may be configured such that the first linkage 50 is substantially parallel to the second linkage 70 when the handle assembly 34 is in the pre-actuation position. For example, as shown in
As shown in the embodiment illustrated in
As shown in the exploded assembly view of
In one embodiment, the hole punch 30 is configured to collapse into a stowed configuration in which the hole punch takes up a smaller size than it does in its pre-actuation position shown in
According to one embodiment of the invention, the hole punch 30 includes a lock 90 to hold the position of the linkages 50, 70 in the stowed configuration. The stowed configuration may be when the handle assembly 34 is in either the pre-actuation position, in the punch position, or in a position between the pre-actuation position and the punch position, as the present invention is not limited in this respect. In one embodiment, the stowed configuration is in the punch position shown in
In one embodiment, the lock 90 is disposed on the handle assembly 34 and in particular, on the first handle 40. The lock 90 includes a detent 92 that engages with the handle assembly 34 to prevent movement of the linkages 50, 70. As shown in
The hole punch 30 may include features to capture the resulting punched paper from the hole after a sheet of paper has been created. These resulting chads may be held within a chamber 120 disposed below one of the jaws 36, 38. In one embodiment, as shown in
Although a chamber 120 is employed, the present invention is not limited in this regard, as other suitable receptacles may be employed. In addition, no chamber need be employed and the chads may simply be expelled from the hole punch 30.
As can be appreciated, the hole punch may be formed of any suitable material, as the present invention is not limited in this regard. Similarly, the hole punch may be sized to accommodate any number of sheets including one, five, ten, twenty, forty or more sheets. In one embodiment, the jaws 36,38, linkages 50, 70 and punch 32 are formed of metal. Other non-structural components may be formed of a lower strength material, such as plastic. As mentioned above, some components of the hole punch 30, such as portions of the handle assembly 34, may be formed of thermal plastic elastomer (TPE).
The punch 32 may be formed of any suitable materials as the present invention is not limited in this regard. In one embodiment, the punch 32 is at least partially formed of a low friction material, thereby allowing for further ease of entry of the sheet material. In one embodiment, the punch is formed of a metallic material that may be coated with a low friction material. In still other embodiments, the punch may be formed of a durable plastic material. Combinations of materials are also contemplated, as the present invention is not limited in this respect.
As is conventional, the punch 32 is formed so as to produce a circular hole. However, the shape of the cutting end may be any desired shape, as the present invention is not limited in this regard. For example, the cutting end may have a cross section in the shape of a polygon, such as, a square, a rectangle, or a triangle, or other shapes, such as an oval, a star, or a heart. Other desired shapes may be employed.
The foregoing written specification is to be considered to be sufficient to enable one skilled in the art to practice the invention. While the best mode for carrying out the invention has been described in detail, those skilled in the art to which this invention relates will recognize various alternative embodiments including those mentioned above as defined by the following claims. The examples disclosed herein are not to be construed as limiting of the invention as they are intended merely as illustrative of particular embodiments of the invention as enabled herein. Therefore, systems and methods that are functionally equivalent to those described herein are within the spirit and scope of the claims appended hereto. Indeed, various modifications of the invention in addition to those shown and described herein will become apparent to those skilled in the art from the foregoing description and fall within the scope of the appended claims.