This invention relates to toy projectiles, such as rockets, planes, etc., which are launched by storing mechanical energy and releasing it.
In the past, toy projectiles have been launched in a number of ways. Generally, however, tension is applied to a hook (for example, with a rubber band). The hook is located off the center axis of the projectile, and the body is pulled, applying tension through the hook and the body. When the body is released, the rubber band shoots the projectile. See, e.g., U.S. Pat. Nos. 6,500,042 and 3,445,954 and U.S. Publication No. 2007/0006861, all of which are incorporated herein by reference.
As materials for toy projectiles have become lighter, they have become less stiff and have less tensile strength. For example, many such toys use a foam material for the body and nose. This results in less force being applied to the hook, and the bending moment between the hook and the location where the body is gripped causes the body to flex. This results in a shorter flight path for the toy. Likewise, repeated use of the toy results in deterioration of the body, in part because of the low tensile strength of the body.
There is a need, therefore, for a device and toy that allows for longer flights while still using relatively soft materials for the body and nose of the projectile and while using design and material that are inexpensive.
According to at least one aspect of the invention, a launch device is provided for a soft-body toy projectile, the launch device comprising: at least two hooks positioned at differing angular locations defining an axis, and a pull member connected to the hooks and extending longitudinally from the hooks.
In at least one example, the launch device also includes a nose receptacle ring connected to said at least two hooks for receiving a compressible nose for the projectile. Such an example may also include a body receptacle ring connected to the at least two hooks for receipt of a foam body section. In at least one such example, the nose receptacle and body receptacle are formed in a ring member attached to the hooks, wherein tension applied to the hooks is isolated from a nose and a body inserted in the receptacles by a pull member connected to the ring member. In some examples, the pull member comprises a member connecting the hooks to each other through the axis and at least one tensioning member extending longitudinally from the hooks. In some more specific examples, the member connecting the hooks to each other comprises a disk, a rod, a ring, or any other such structure that will occur to those of skill in the art.
In at least one more specific example, hooks are formed integrally with the ring member that includes a nose receptacle and a body receptacle; an integral rod extends radially across the ring structure, and a string, rod, or other elongated member acts as a tensioning member, attached at a location near or on the axis, at what can be thought of as a location for drawing the launch device when tension is applied to the hooks. “Drawing” can be thought of as both a physical movement backward or merely holding the launch device in place as elastomeric bands are draw away from the launch device hooks. The elongated member extends from the rod substantially along or parallel to an axis defined by the ring member. With such a launch device, for example, a toy projectile nose is inserted in the nose receptacle and a body, having a substantially cylindrical inner diameter, is inserted in the body receptacle, wherein the tensioning member extends through the body.
When tension is applied to the hooks, the tensioning member is held or pulled while the bands lengthen. Release of the tensioning member causes the toy to be launched with more force than could otherwise be applied, if the tension had not been isolated from the body or only one hook had been offset from the longitudinal axis of the toy.
In an even further example, the pull member comprises at least two members extending from the hooks, the at least two members being connected to a grip member located longitudinally along the body. In one such example, the at least two members extend longitudinally along the body (inside or outside, at an angle to the axis or in parallel), the grip member comprises a string connected (directly or indirectly) to the at least two members. For example, the grip member may comprise a tension rod connected (directly or indirectly) to the at least two members. In at least one specific example, the pull member comprises a ring positioned longitudinally from the hooks and attached to the hooks by at least one tension member. For example, such a ring attaches to the hooks by an extension member from the ring, and each extension member is connected to a hook. In such an example, a hollow, toy projectile having an opening through which the hooks can be accessed is slid over the hooks and the extension members; elastomeric bands are attached to the hooks; and the ring is held or pulled as tension is applied from the elastomeric bands to the hooks. In this manner, the body, which may be made of soft, compressible foam, is isolated from the launch tension.
According to another aspect of the invention, a soft-body, projectile toy is provided having a longitudinal axis comprising: at least two hooks positioned at differing angular locations about the axis, a pull member connected to the hooks and extending longitudinally from the hooks, and body portion attached to the hooks, isolated from any tension between the hooks and the pull member. In some examples, the nose is integrally formed with the body; in others, the nose is connected to the hooks and the body is separately connected to the hooks.
In an alternative manner of describing various aspects of the invention, a system is provided for applying a launching force to a soft-body, projectile toy having a longitudinal axis. The system comprises: means for receiving a first pulling force at a first force-receiving location off the longitudinal axis and isolated from the soft-body, means for receiving a second pulling force at a second force-receiving location off the longitudinal axis and isolated from the soft-body, wherein the second force-receiving location is approximately 180 degrees from the first force-receiving location, means for transferring the first pulling force and the second pulling force to a drawing location isolated from the soft-body, and means for connecting the drawing location to a gripping location outside the toy and isolated from the soft-body, wherein the gripping location is longitudinally displaced in parallel with the longitudinal axis. In at least one, more specific example, the system also comprises a means for applying the first launching force at the first force-receiving location and a means for applying the second launching force at the second force-receiving location. In at least one example of the system, the first and second means for receiving comprise at least one hook.
In one such example, the means for applying the first launching force and the means for applying the second launching force comprise elastomeric bands. Other acceptable means for applying launching force include weights and cord (as used in catapults), bent members with strings (as used with bows) and other devices that will occur to those of skill in the art.
In a further example, the system also comprises a means for holding the gripping location, wherein the means for holding comprises a flexible tensioning member (e.g., a string) attached to the drawing location. In an alternative example, the means for holding comprises a rigid tensioning member attached to the drawing location (e.g., a rod). In some examples, a means for gripping the means for holding is attached to the means for holding.
In some examples, the system further comprises a body portion connected to both means for receiving, wherein the body portion comprises material having a tensile strength that is less than the tensile strength of the means for connecting. In some such examples, a compressible nose portion (e.g., foam) is connected to the means for receiving.
In some examples, the means for transferring comprises a means for connecting the means for receiving a first pulling force to the means for receiving said second pulling force, and the means for connecting comprises a member substantially normal to the axis and attached to both of the means for transferring. In some examples, the member comprises a rod, disk, or other member that will occur to those of skill in the art.
In an even further example, the means for connecting comprises a first connecting member attached to the first means for receiving and positioned substantially parallel to the axis and a second a connecting member attached to the second means for receiving and positioned substantially parallel to the axis. In at least one such example, the first connecting member and the second connecting member have connecting member ends terminating at the drawing location, the drawing location is longitudinally displaced from said first means for receiving and said second means for receiving, and the connecting member ends are attached to each other (directly or indirectly). In an alternative, the connecting member ends are attached to the means for connecting; and, in at least one such example, the drawing location and said gripping location are the same. In one specific example, the means for gripping comprises a member attached to the connecting member ends, and the member attached to said connecting member ends comprises a disk. In at least one alternative, the member attached to said connecting member ends comprises a ring. Other members will occur to those of skill in the art.
In an alternative example, the means for connecting comprises a first connecting member attached to the first means for receiving and positioned at an angle to the axis and a second a connecting member attached to the second means for receiving and positioned at an angle to the axis. In at least one such example, the first connecting member and the second connecting member are have connecting member ends terminating at the drawing location longitudinally displaced from the first means for receiving and said second means for receiving. In some examples, the connecting member ends are attached to each other (directly or indirectly), or the connecting member ends are attached to said means for connecting. In some such examples, the drawing location and gripping location are the same. And, in some examples, the means for gripping comprises a member attached to said connecting member ends. In one such example, the member attached to said connecting member ends comprises a disk, ring, or other member that will occur to those of skill in the art.
The above summary is given by way of example only and is not intended as a limitation on the invention or interpretation of any term used in the claims, unless expressly stated as such. Other means and methods of achieving the invention will occur to those of skill in the art.
As illustrated, the body portion 20 is attached to the hooks in body receptacle ring 22, which isolates body 20 from tension between the hooks and the pull member. A compressible nose 24 is positioned longitudinally from the hooks 14a and 14b in nose receptacle ring 26. See also
Referring again to
In an alternative example, seen in
In some examples, balance weighting is applied through weighting and positioning longitudinally of the launch device; in addition, weighting is applied though variable body density, in some examples, as well as other means for balancing that will occur to those of skill in the art. No particular balance or weighting system has been found critical, which is a surprising result of the invention. Application of a balance point in at least the from (or top) half of the projectile, is acceptable, preferably about one-third from the front or top end.
As seen in
As seen in
Described in alternative terms, as seen in
In a further example, a means (e.g., an elastomeric band—for example, a rubber band) is provided for applying the first launching force at the first force-receiving location and a means (again, for example, an elastomeric band) is provided for applying the second launching force at the second force-receiving location.
In some examples, a means (e.g., a ring, tab, t-bar, or any other means that will occur to those of skill in the art that may be attached to a string or rod) is provided for holding the gripping location stationary.
In some examples, a body portion 20 is connected to both means for applying a launching force, wherein the body portion 20 consists essentially of material (e.g., foam) having a tensile strength that is less than the tensile strength of the means for connecting (e.g., plastic), and launch tension is isolated from the body portion.
In some examples (for example,
An example of the use of a launching device is seen in
In further examples (not shown), the means for connecting comprises a first connecting member attached to the first means for receiving and positioned at an angle to the axis and a second a connecting member attached to the second means for receiving and positioned at an angle to the axis. In at least one such example, the two connecting means are directly attached to each other near the axis, and drawing member is attached to the connection between the two.
The above description is of examples of the invention and is not intended to limit the definition of the invention. The invention is defined solely by the claims that follow. Other examples of the invention will occur to those of skill in the art and are not precluded simply because they differ in some way from the above, it being the intent that only the claims of this document define the scope of the invention.
This application claims the benefit of U.S. Provisional Application No. 61/460,094, filed Dec. 27, 2010.
Number | Date | Country | |
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61460094 | Dec 2010 | US |