The present invention relates generally to eating utensils. More particularly, the invention relates to telescoping eating utensils that may be suitable for transport.
Eating utensils are used by people all over the world to bring food to their mouths. Sometimes, eating utensils, such as knives, are used to cut food to a size and shape suitable for placing in a person's mouth. In some Asian countries, chopsticks are typically the only eating utensils used although spoons are also used for soups in Asia. In Western countries, forks, knives, and spoons are typically used as eating utensils. In still other countries, such as India and Ethiopia, hands are often used in place of utensils.
Although these existing utensils work quite well, there are continuing efforts to develop new utensils that provide not only improved function and convenience but are also suitable for transport. Such utensils also take up less space and are therefore more easily stored.
In accordance with an embodiment, a telescoping eating utensil is provided. The telescoping eating utensil includes a utensil tool and a handle. The utensil tool includes a utensil head attached to a tool connector, wherein a locking button is on a top surface of the tool connector, and the handle is configured to slidably engage and interlock with the tool connector. The handle and the tool connector are interlocked either in a collapsed mode or in an extended mode, and the locking button engages with an opening on the handle in the extended mode and the locking button engages with a recess in a bottom surface of the handle in the collapsed mode.
In accordance with another embodiment, an expandable eating utensil is provided. The expandable eating utensil includes a tool portion, a handle portion, and a locking feature. The tool portion includes a utensil head and the handle portion is configured to slidably engage with the tool portion. The locking feature is configured for interlocking the handle portion with the tool portion such the tool portion can be locked in place relative to the handle portion.
In accordance with yet another embodiment a telescoping eating utensil is provided. The telescoping eating utensil includes a utensil tool portion and a handle portion configured to slidably engage with the utensil tool portion. The utensil tool portion includes a utensil head attached to a tool connector having an actuatable locking button on a top surface of the tool connector. The handle portion interlocks with the tool connector in either a collapsed mode or an extended mode when the locking button is in a relaxed state.
The invention, together with further objects and advantages thereof, may best be understood by reference to the following description taken in conjunction with the accompanying drawings in which:
The present invention relates generally to combination eating utensils.
Referring to
As shown in
Similarly, as shown in
Similarly, the fork tool connector 214 and the handle 150 slide together to form the telescoping fork 200. As shown in
In the extended mode, the locking button 118 extends into an opening 151 on the handle 150, as shown in
The handle 150 of the spoon 100 and fork 200 will be described with reference to
The outer edge of each rail 152 is aligned and continuous with the outer edge of the rest of the handle 150. Further, the rails 152 taper inward so that the portion of the handle 150 with the rails 152 does not feel different from the rest of handle 150 when the utensil 100, 200 is held in a user's hand.
As shown in
As shown in the illustrated embodiment, in extended mode, the locking button 118, 218 sits in a well or depression 155 around the opening 151 in the handle 150. This well 155 allows the locking button 118, 218 to be locally “proud” such that it can be actuated with a finger or something similarly sized, but if a larger surface (sized larger than an average finger) is applied across the area of the well 155, the top surfaces of the handle 150 itself would prevent the locking button 118, 218 from being actuated. Thus, the well 155 helps to prevent accidental actuation of the locking button 118, 218.
The geometries of the spoon 100 and the fork 200 will be described below. In the illustrated embodiment, the fork 200 has four tines 212, 213. Each tine 212, 213 has a sharp crest, which aids in spearing or piercing pieces of food so that the food can be picked up by the fork 200. It will be understood that, in other embodiments, the fork can have more or fewer tines. Each tine 212, 213 has a pointed tip, which aids in spearing or piercing pieces of food so that the food can be picked up by the fork. In the illustrated embodiment, the two center tines 213 are straight and the two outer tines 212 each have a straight inner edge and a curved outer edge. The curvature of the outer edges can also be used for scraping food, as the curved edges follow the curvature of a curved container, such as a bowl, better than the straight tines of many conventional forks.
In addition to being curved, the outer edges of the outer tines 212 are also tapered or chamfered such that the fork can be used to cut through or separate foods that do not require a knife. As illustrated in
The spoon bowl 112 has a substantially flat side edge 115, which allows for “scraping” food from of a container (e.g., a yogurt container) or a bowl. A conventional spoon typically has a rounded edge that is not particularly effective for scraping. As illustrated, the side edge 115 of the bowl 112 of the spoon 100 is substantially flat, thus providing an effective surface for scraping. In the illustrated embodiment, the bowl 112 has a substantially elongated five-sided shape with rounded corners.
The telescoping spoon 100 and fork 200 are formed of a plastic material, such as a glass reinforced thermoplastic, that is suitable for food contact and is injection moldable. A particularly suitable reinforced thermoplastic for forming the spoon 100 and fork 200 is glass filled nylon. According to other embodiments, the telescoping spoon 100 and fork 200 can be formed of a variety of food-safe plastics and potentially even metal. In addition to glass filled nylon, some suitable plastic materials include nylon, polycarbonate, polypropylene, and co-polyester. Compared with unreinforced nylon, glass filled nylon has increased structural strength and stiffness. Suitable materials include those that exhibit high stiffness (so the utensils do not flex very much when being used, i.e. are not “flimsy”), but that can also afford some flex (for the locking button 118, 218 to be depressed).
As described above, there is a recess 154 in the bottom surface of the handle 150 that is configured to receive the locking button 118, 218 on the tool connector 114, 214 when the spoon 100 or fork 200 is in the fully collapsed mode. To assemble the spoon 100 or fork 200, the tool connector 114, 214 is first positioned underneath the handle 150 and slid longitudinally along the socket 158, with the outer side edges of the tail 116 between the rails 152, toward the distal end of the handle 150 until the locking button 118, 218 engages and extends into the opening 151 and returns to its relaxed state in the opening 151. It will be understood that the locking button 118, 218 is automatically actuated when it come into contact with the handle 150. The open end 153 of the handle 150 (as shown in 118, 218 without any need for a user to actuate the locking button 118, 218.
It will be noted that the position of the recess 154 in the bottom surface of the handle 150 near the distal end of the handle 150 allows the handle 150 to extend over a portion of the tool in the collapsed mode, thereby allowing for a shorter overall length of the spoon 100 or fork 200 in the collapsed mode. It will be understood that the shorter length allows for more convenient storage and transport. As shown in
When the locking button 118, 218 engages the opening 151, the spoon tool 110 or fork tool 210 is interlocked with the handle 150 in the extended mode and fairly significant force is required to disengage the spoon tool 110 or fork tool 210 from the handle 150 from this position. The locking button 118, 218 extends from the top surface of the tool connector 114, 214 at an angle of 90° or less, preferably in a range of about 60°-90°.
As shown in the illustrated embodiments in the detailed view of
Various longitudinal cross-sectional views of a spoon 100, as shown in
As shown in the illustrated embodiment of
It will be understood that the opening 151 and recess 154 together with the locking button act as a hard stop, preventing the spoon tool 110 from being slid further. The recess 154 prevents the spoon tool 110 from moving from the collapsed mode and the opening 151 prevents the spoon tool 110 from moving back in the opposite direction to disengage from the handle 150. The rails 152 and tail 116 and the dovetail joint formed thereby prevent the handle 150 and spoon tool 110 from being separated in the z-direction. The dovetail design is preferable relatively “open” so that it is easy to clean.
To disengage the spoon tool 110 and the handle 150 from the extended mode, the user pushes down on the locking button 118, 218 and either slides the spoon bowl 112 toward the distal end of the handle 150 to collapse the spoon 100 or slides the spoon tool 110 away from the handle 150 to disengage the spoon tool 110 from the handle 150. The spoon tool 110 and the handle 150 can be separated when the user pushes down on the locking button 118 and simply slides the spoon tool 110 and the handle 150 away from one another in the longitudinal direction. If desired, the user can thoroughly clean the spoon tool 110 and the handle 150 when separated.
In the fully collapsed mode, the locking button 118 engages the recess 154 and snaps into the recess 154 and resumes its relaxed state within the recess 154.
With enough force applied to the locking button 118, the spoon tool connector 114 will move under the handle 150 and the elongated tail 116 can slide along the socket 158 between the rails 152 until the locking button 118 is once again in its relaxed state, either engaging the recess 154 in the fully collapsed mode or engaging the opening 151 in the fully extended mode. When the spoon tool 110 and the handle 150 are positioned to slidably engage one another, as shown in the longitudinal cross-sectional view of
It will be understood that operation of the fork tool 210 with respect to the handle 150 can be performed the same way as the operation of the spoon tool 110 described above. It will also be noted that all parts of the spoon 100 and fork 200 are easily moldable with plastic injection molding in accordance with an embodiment.
Although only a few embodiments of the invention have been described in detail, it should be appreciated that the invention may be implemented in many other forms without departing from the spirit or scope of the invention. In view of all of the foregoing, it should be apparent that the present embodiments are illustrative and not restrictive and the invention is not limited to the details given herein, but may be modified within the scope and equivalents of the appended claims.
This application claims the benefit of U.S. Provisional Application No. 62/685,672, filed on Jun. 15, 2018. The foregoing application is hereby incorporated by reference herein for all purposes.
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