Hand tool having an electronic identification device

A Radio Frequency Identification (RFID) tag is a type of electronic identification device that may be used to identify and track various objects. In practice, an RFID tag is attached to an object, and an RFID reader senses the presence and identifying information associated with the RFID tag. The RFID reader may be located at an entrance or exit of an environment, thus facilitating the tracking and identifying of objects having RFID tags that enter or exit the environment.

RFID tags may be added to existing objects so that they may be tracked. To this end, an RFID tag may be mounted to the exterior of an object using adhesives or shrink wrap. However, by being mounted to the exterior of an object, the RFID tag may impede the intended functionality of the object. For example, if an RFID tag were mounted to the exterior of a hand tool, such as a screwdriver or nut driver, the hand tool may not be able to fit into tight spaces due to the increased size of the tool.

Additionally, hand tools may be used in industrial or mechanical environments, such as in a mechanic shop. As such, the hand tools are often dropped and may be exposed to other types of impacts during use. With an RFID tag mounted to the exterior of a hand tool, the RFID tag may bear the brunt of such impact, thereby increasing the likelihood of failure of the RFID tag.

Even further, hand tools are often used in environments where corrosive chemicals are present. If an RFID tag were mounted to the exterior of a hand tool, these chemicals are likely to make contact with the RFID tag and possibly cause failure of the RFID tag. Accordingly, there exists a need for an RFID-enabled hand tool that is protected from chemical exposure, able to withstand mechanical impact, and limits interference with the intended functionality of the hand tool.

Many aspects of the present disclosure can be better understood with reference to the following drawings. The components in the drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the disclosure. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views.

FIGS. 1A-1C are drawings of a hand tool according to various embodiments of the present disclosure.

FIGS. 2A-2D are drawings of an plug of the hand tool of FIG. 1 according to various embodiments of the present disclosure.

FIGS. 3A-3B are drawings of a cap of the hand tool of FIG. 1 according to various embodiments of the present disclosure.

The present disclosure is direct towards a hand tool having an electronic identification device. As a non-limiting example, a handle of the hand tool includes a cavity configured to receive a plug. The plug at least partially encapsulates an RFID tag and is inserted into the cavity of the handle. The plug may provide a seal with respect to the cavity, thereby protecting the RFID tag from being exposed to corrosive chemicals. Additionally, by the RFID tag being in the interior of the plug and the handle, the RFID tag may be shielded or cushioned from impacts. Even further, by being placed in the interior of the handle, the RFID tag may not interfere with the intended functionality of the hand tool. In the following discussion, a general description of the system and its components is provided, followed by a discussion of the operation of the same.

With reference to FIGS. 1A-1C , shown is a hand tool 100 according to various embodiments of the present disclosure. The hand tool 100 includes a handle 103 , a shaft 106 , a plug 109 , an electronic identification device 113 , a cap 115 , and possibly other features not discussed in detail herein. The hand tool 100 shown is embodied in the form of a nutdriver. However, it is emphasized that in various embodiments, the hand tool 100 may be embodied in the form of, for example but not limited to, a screwdriver, a bit driver, a hammer, a mallet, a wrench, a cutting tool (e.g., scissors, a knife, etc.), a file, a scraper, a spatula, a chisel, a chisel holder, an awl, a punch, a brush, a broom, an axe, a pry bar, an extension mirror, an extension magnet, a level, or any other type of hand tool 100 .

The handle 103 is a portion of the hand tool 100 that is configured to be gripped by a user, as may be appreciated. For example, in the case in which the hand tool 100 is a nutdriver, the handle 103 is the portion of the nutdriver that a user grips and rotates in order to tighten or loosen a fastener (not shown). The handle 103 may also include multiple grooves 116 or other features to facilitate a grip by a user. It is noted that the handle 103 may comprise a material that is transparent or semi-transparent to radio frequency energy, in order to facilitate the transmission of signals to or from the electronic identification device 113 .

The handle 103 also includes a cavity 105 . The cavity 105 may be configured to receive and at least partially encapsulate the plug 109 . The cavity 105 may be formed in the handle 103 during manufacture of the handle 103 , or a cavity 105 may be fabricated in a preexisting handle 103 . The cavity 105 may be formed in a preexisting handle 103 , for example, by drilling into the preexisting handle 103 .

The shaft 106 is attached to and extends from the handle 103 . To this end, a portion of the shaft 106 may be disposed in the handle 103 . To secure the shaft 106 to the handle, and to prevent rotation of the shaft 106 with respect to the handle 103 , the portion of the shaft 106 that is disposed in the handle 103 may include multiple outwardly extending fins 119 .

At the opposite end of the shaft 106 may be a driver 123 . The driver 123 may be configured to receive and rotate fasteners (such as but not limited to, screws, bolts, nuts, etc.), bits (e.g. Phillips bits, flathead bits, hex-head bits), or other items.

The electronic identification device 113 emits an identifying signal that is capable of being received by an appropriate reader (not shown). The identifying signal may include data that uniquely corresponds to the electronic identification device 113 , thereby facilitating the identification of the hand tool 100 to which the electronic identification device 113 is attached. The electronic identification device 113 may be active, semi-active, or passive and may or may not include storage memory. In various embodiments, the electronic identification device 113 may be embodied in the form of an RFID tag or another type of electronic identification device 113 capable of emitting an identifying signal.

The plug 109 is configured to at least partially encapsulate the electronic identification device 113 and be inserted into the cavity 105 of the handle 103 . In order to facilitate transmission of signals to and from the electronic identification device 113 , the plug 109 may comprise a material that is transparent or semi-transparent to radio frequency energy. Additionally, the plug 109 may comprise a compressible material so as to facilitate a snug fit in the cavity 105 . As such, the plug 109 may comprise an elastomeric material, for example.

Turning to FIGS. 2A-2D , shown is one embodiment, among others, of the plug 109 . In the embodiment shown, the plug 109 is substantially cylindrical, but it is emphasized that other shapes of plugs 109 may be used as well. The plug 109 includes a first end 206 , a second end 209 , an exterior surface 213 , a receptacle 216 , and other features.

With the plug 109 inserted into the cavity 105 ( FIGS. 1A-1C ), the first end 206 may face away from the shaft 106 , and the second end 209 may face towards the shaft 106 ( FIGS. 1A-1C ). The exterior surface 213 of the plug 109 extends between first end 206 and the second end 209 . In various embodiments, the plug 109 may be tapered to facilitate insertion into and retention within the cavity 105 . In this sense, the exterior surface 213 may taper (e.g., reduce in diameter) as it extends from the first end 206 to the second end 209 .

The receptacle 216 receives and retains the electronic identification device 113 ( FIGS. 1A-1C ). To this end, the receptacle 216 may include an opening 219 , an interior wall 223 , one or more lips 226 a - 226 b , one or more ports 229 a - 229 b , and possibly other features. With the electronic identification device 113 inserted into the receptacle 216 , an interior-facing side (not shown) of the electronic identification device 113 may abut the interior wall 223 . Similarly, a portion of the exterior-facing side (not shown) of the electronic identification device 133 may abut the one or more lips 226 a - 226 b . Thus, the lips 226 a - 226 b may retain the electronic identification device 113 within the receptacle 216 and thus the plug 109 .

The ports 229 a - 229 b correspond to and may facilitate construction of the lips 226 a - 226 b . For example, in the event that the plug 109 is manufactured using an injection molding process, the material from which the plug 109 is formed may be injected into a mold (not shown). Upon the material setting, one portion of the mold may form the lips 226 a - 226 b and be removed through the ports 229 a - 229 b , while another portion of the mold may form the interior wall 223 and be removed through the opening 219 .

The plug 109 may also include one or more seals 233 a - 233 d to prevent fluids or debris from entering the cavity 105 and/or the receptacle 216 . The seal 233 a is disposed around the exterior surface 213 near the first end 206 of the plug 109 . The seal 233 a may be formed as part of the plug 109 , or the seal 233 a may be embodied as an O-ring, for example. Upon the seal 233 a being flush with the cavity 105 , the seal 233 a may prevent fluids or debris from entering the cavity 105 and thus the receptacle 216 .

The seal 233 b at least partially surrounds the opening 219 of the receptacle 216 , and the seals 233 c - 233 d at least partially surround the ports 229 a - 229 b . With the plug 109 inserted into the cavity 105 , the seals 233 b - 233 d may become flush with the cavity 105 and thus prevent fluids or debris from entering the receptacle 216 .

The plug 109 may further include one or more protrusions 236 that may be disposed towards the second end 209 of the plug 109 or on other areas of the exterior surface 213 . The protrusions 236 may be configured to abut against the cavity 105 upon insertion. As such, the protrusions 236 may prevent the second end 209 from moving with respect to the cavity 105 . Additionally, the protrusions 236 may provide cushioning for the electronic identification device 113 upon the hand tool 100 ( FIGS. 1A-1C ) being subjected to an impact.

Turning now to FIGS. 3A-3B , shown are caps 115 , referred to herein as caps 115 a - 115 b , according to various embodiments. The caps 115 a - 115 b may be attached to the handle 103 ( FIGS. 1A-1C ) and/or the first end 206 ( FIGS. 2A-2D ) of the plug 109 . By being constructed separately from the plug 109 , several different caps 115 a - 115 b may be manufactured to fit a single style of the plug 109 . Accordingly, manufacturing costs may be reduced.

The caps 115 a - 115 b may include indicators 303 a - 303 b , respectively, that indicate the type of hand tool 100 ( FIGS. 1A-1C ) to which a cap 115 a - 115 b is attached. In various embodiments, the indicators 303 a - 303 b may be embodied in the form of apertures. In this sense, the 303 a - 303 b are “cut-outs” from the caps 115 a - 115 b . As non-limiting examples, the indicator 303 a is an aperture that is in the shape of a hexagon, while the indicator 303 b is an aperture that is in the shape of a square. In this example, the cap 115 a may be attached to a hand tool 100 having a driver 123 ( FIGS. 1A-1C ) that fits a hex-head bolt, while the cap 115 b may be attached to a hand tool 100 having a driver 123 that fits a square-head bolt.

Additionally, the plug 109 may have a color that differs from the color of the cap 115 . Thus, with the hand tool 100 assembled, the color of the plug 109 may be visible through the indicator 303 a - 303 b aperture of the cap 115 a - 115 b . As a non-limiting example, if a red plug 109 and a black cap 115 a having a hexagon indicator 303 a were used, a red hexagon would be visible through the black cap 115 a.

Next, a general description of the operation of the various components of the hand tool 100 is provided. To begin, it is assumed that the components have been assembled and that the shaft 106 is attached to the handle 103 . As described above, the handle 103 may be manufactured so as to include the cavity 105 . Otherwise, if a preexisting handle 103 lacks the cavity 105 , the handle 103 may be retrofitted with the cavity 105 , for example, by using a drill.

The electronic identification device 113 may be inserted into the receptacle 216 of the plug 109 so that the electronic identification device 113 is at least partially encapsulated within the plug 109 . With the electronic identification device 113 being inserted into the receptacle 216 , the lips 226 a - 226 b may abut an outward facing side (not shown) of the electronic identification device 113 . Thus, the lips 226 a - 226 b may facilitate retaining the electronic identification device 113 within the plug 109 .

With the electronic identification device 113 at least partially encapsulated within the plug 109 , the plug 109 and the electronic identification device 113 may be inserted into the cavity 105 of the handle 103 . The seals 233 a - 233 d may then become flush against the cavity 105 , thereby preventing fluids and debris from making contact with the electronic identification device 113 . Additionally, a sealant or adhesive may be applied to the cavity 105 and/or plug 109 to prevent penetration by fluids and debris and to further retain the plug 109 within the cavity 105 . Thereafter, the cap 115 may be applied to the first end 206 of the plug 109 and/or the handle 103 by using an adhesive, mechanical attachment (e.g., threads), or other methods.

It is emphasized that the above-described embodiments of the present disclosure are merely possible examples of implementations set forth for a clear understanding of the principles of the disclosure. Many variations and modifications may be made to the above-described embodiments without departing substantially from the spirit and principles of the disclosure. All such modifications and variations are intended to be included herein within the scope of this disclosure and protected by the following claims.