The present invention relates to game calling devices, and in particular, to an adjustable grunt tube that can produce sounds having varied pitch, intensity, tone and inflection.
Game calling devices for large mammals and predators are known. In particular, devices known as “grunt tubes” are used to simulate the grunts, snorts, bleats and other sounds produced by white-tailed deer. Hunters and wildlife enthusiasts use grunt tubes to attract deer and other animals.
Grunt tubes generally include a tubular member through which air passes and a reed supported within the tubular member. The passing air excites the reed causing it to vibrate and produce sounds. Some grunt tubes allow the user to vary the sounds produced by the calling device. In one existing device the sound is varied by adjusting the position of an o-ring along the length of the reed. One problem with this device is that the o-ring can be difficult for the user to access since the reed/o-ring assembly is positioned inside the central housing of the device. Another problem with this device is that it can be difficult for the o-ring to make contact all the way around the circumference of the reed which can hinder the reed's vibration and distort the sound. Yet another problem with this device is that the o-ring requires periodic lubrication to prevent it from drying out.
There is therefore a need for an improved grunt tube which overcomes these and other disadvantages in the prior art.
One aspect of the invention relates to an animal call device commonly referred to as a grunt tube. The grunt tube generally includes a housing, a reed, and an adjustment arm adapted to engage the reed. The adjustment arm is combined with a first portion of the grunt tube which may be one of either the outlet end, the housing, or the mouthpiece. The reed is combined with a second portion of the grunt tube which may be a different one of either the outlet end, the housing, or the mouthpiece. The first portion of the grunt tube moves relative to the second portion of the grunt tube thereby causing the adjustment arm to move relative to the reed and engage the reed at different locations to change the sound produced by the grunt tube.
Another aspect of the invention relates to an animal call device commonly referred to as a grunt tube. The animal call generally includes an elongated housing, a reed, and an adjustment member having an adjustment arm in frictional engagement with the reed. The housing includes a mouthpiece end that allows air to enter the tubular member, an outlet end that emits sounds, and an opening in a wall of the tubular member between the mouthpiece end and the outlet end. The reed is combined with the housing and vibrates in response to passing air and is disposed within the housing near the mouthpiece end and the opening. An adjustment assembly includes an adjustment member having an adjustment arm which contacts to the reed. A user can modify the sounds emanating from the outlet end by changing the position of the adjustment assembly along the length of the reed to change the vibrational characteristics of the reed. Some embodiments include an expandable member which is made from a flexible and, elastic material thereby allowing it to have a first position wherein it is nested inside the solid-body housing and a second position wherein a portion extends outside of the housing. In one embodiment the expandable member is biased in its first position so that it retracts inside the housing when the user no longer exerts a pulling force on the outlet end.
Another aspect of the invention relates to an animal call device commonly referred to as a grunt tube. The animal call generally includes an elongated housing, a reed, and an adjustment member having an adjustment arm in frictional engagement with the reed. The housing includes a mouthpiece end that allows air to enter the tubular member, an outlet end that emits sounds, and an opening in a wall of the tubular member between the mouthpiece end and the outlet end. The reed vibrates in response to passing air and is disposed within the housing near the mouthpiece end and the opening. The adjustment member is secured to the housing and has an adjustment arm which contacts to the reed. An adjustment assembly is slidably engaged with the housing and is combined with the reed at one end. A user can modify the sounds emanating from the outlet end by changing the position of the adjustment assembly (reed) relative to the adjustment member (adjustment arm) to change the vibrational characteristics of the reed. Some embodiments include an expandable member which is made from a flexible and elastic material thereby allowing it to have a first position wherein it is nested inside the solid-body housing and a second position wherein a portion extends outside of the housing. In one embodiment the expandable member is biased in its first position so that it retracts inside the housing when the user no longer exerts a pulling force on the outlet end.
Another aspect of the invention relates to a method of using an animal call. The animal call generally includes an elongated housing having, a mouthpiece end and an outlet end, a reed, and an adjustment member having an adjustment arm in frictional engagement with the reed. The method includes passing air into the mouthpiece end of the housing as is known in the art. The reed vibrates in response to the passing air to create an audible sound which is emitted from the outlet end of the device. In one embodiment the sound emanating from the outlet end is modified by changing the position of the adjustment arm along the length of the reed to change the vibrational characteristics of the reed. In another embodiment the sound emanating from the outlet end is modified by changing the point where the adjustment arm contacts the reed by changing the position of the reed relative to the stationary adjustment arm. Some embodiments include an expandable member. The expandable member has a first position wherein it is nested inside the housing and a second position wherein a portion extends outside of the housing. The expandable member is biased in its first position so that it retracts inside the solid-body housing when the user no longer exerts a pulling force on the outlet end. The expandable member may be moved to its extended position to increase the distance between the mouthpiece end and the outlet end which modifies the sound emitted. In its extended position the expandable member may be bent or flexed to modify the direction of sound emitted from the outlet end.
The mouthpiece 10 allows air to enter the housing 28 and pass through the adjustment member 18 to an outlet 25 at the other end which emits sounds. As used herein, “upstream” is toward the mouthpiece 10 and “downstream” is toward the outlet 25. An opening in a wall of the housing 28 extends between the mouthpiece 10 and the outlet 25 to allow air to pass through the length of the housing 28. The adjustment member 18 also has an opening which allows air to pass through the length of the adjustment member 18. The housing 28 has an inner surface and an outer surface and may be made of any suitable material. In one embodiment the housing 28 is made from a solid material such as hard plastic polymer. The housing 28 can be any suitable shape, including tubular and rectangular prism.
The reed 12 is disposed within the housing 28 in alignment with the mouthpiece 10 opening. The reed 12 is a thin strip of a flexible material, such as, e.g., plastic or MYLAR. As known in the art, the dimensions of the reed 12 and the material of which it is made are determined according to the sound characteristics that the user desires to produce with the grunt call. The reed 12 is supported by a sound board 14 (
In some embodiments, the length of the sound board 14 is shorter than the length of the reed 12 to help slow down the reed's 12 vibrations. In other embodiments the reed 12 is longer than the sound board 14. Depending upon the desired sound characteristics, however, different sound board 14 configurations can be used. The sound board 14 preferably includes an upstream end disposed adjacent the mouthpiece 10 which is tapered to be thinner than the downstream end thereby allowing the upstream portion of the reed 12 to be suspended away from the sound board 14. The reed 12 preferably includes an upstream end that is also disposed adjacent the mouthpiece 10 and a downstream end. The downstream end of the reed 12 is connected to the downstream end of the sound board 14 as described above. The upstream end of the reed 12 is free to vibrate away from the sound board 14, subject to the position of the adjustment member 18 as described below.
As shown in
A first end of the expandable member 23 is combined with any upstream portion of the animal call, preferably at a point immediately downstream from the reed 12. The second end of the expandable member 23 is combined with the outlet end 25 of the housing 28. The outlet end 25 is separable from the main housing member (the portion of the housing 28 between the outlet end 25 and the mouthpiece 10 is referred to herein as the main housing member). The upstream end of the outlet end 25 mates with the downstream end of the housing 28 when the expandable member 23 is in its first position. As shown in
In an alternate embodiment at least a portion of the expandable member 23 is outside of the housing 28 even when the expandable member 23 is in its first (retracted) position. In this alternate embodiment the grunt call is not completely enclosed by a solid body housing when the expandable member 23 is in its first position.
The sounds produced by the grunt call can be varied in several ways. First, the user can partially or completely cover the outlet end 25 to change the pitch. Second, the length of the device may be varied by extending or retracting the expandable member 23 to change the length of the internal opening to change the pitch. The flexibility of the expandable member 23 also allows the direction of the sound to be varied by flexing or bending the expandable member 23 when it is in its extended position so the outlet end 25 directs sound in a direction other than along the longitudinal axis of the animal call. Third, the user can invert the grunt call and produce different sounds by inhaling through the outlet end 25 of the call instead of exhaling through the mouthpiece 10.
Another way to vary the sound of the call is to change the effective length of the reed 12 by moving a first portion of the grunt tube relative to a second portion of the grunt tube. As described above, in one embodiment the adjustment arm 17 is combined with the mouth piece 10 to form an adjustment member 18 which moves longitudinally relative to the housing 28 as shown by the arrow in
In the embodiment shown, the adjustment member 18 has an external diameter smaller than the internal diameter of the adjoining housing 28 portion to allow the adjustment member 18 to slide in and out of the housing 28. As shown best in
In an alternate embodiment (not shown) the adjustment member 18 has an internal diameter larger than the external diameter of the adjoining housing 28 portion thereby allowing the housing 28 to slide in and out of the adjustment member 18. In this alternate embodiment the housing 28 has elongated openings adapted to receive the adjustment arm 17 and locating arm 27. These openings allow the adjustment arm 17 to extend toward the reed 12 and the locating arm 27 to extend toward the sound board 14 while the adjustment member 18 slides along the outside of the housing 28.
The user can adjust the effective length of the reed 12 by moving the adjustment member 18 longitudinally (in or out of the housing 28) which changes the point at which the contact end 19 engages the reed 12. In
In some embodiments the sound board 14 includes one or more stop points 22 (
Some embodiments may include a stop member 35 to limit the distance that the adjustment member 18 may be extended outward away from the housing 28. As shown best in
In some embodiments at least a portion of the housing 28 is covered by a soft skin such as an elastic or synthetic or natural rubber. The skin material has a non-reflective matte black finish. In addition to reducing reflections, the rubber material also minimizes any sounds produced by incidental contact between the grunt call and other objects, such as, e.g., a hunter's weapon.
As shown in
To use the device a user passes air into the mouthpiece 10 end of the housing 28 as is known in the art. The reed 12 vibrates in response to the passing air to create an audible sound which is emitted from the outlet 25 end of the device. The reed 12 is secured to a sound board 14 by placing the reed 12 on the sound board 14 then placing a wedge 32 on top of the reed 12 and into an opening where the wedge 32 is frictionally secured by the walls of the opening. The reed 12 is sandwiched between the wedge 32 and the support member 16 and/or sound board 14. The sound emanating from the outlet 25 end is modified by moving the adjustment assembly to change the vibrational characteristics of the reed 12. In one embodiment the adjustment assembly is combined with the adjustment arm 17 to move the adjustment arm 17 relative to the reed 12. In another embodiment the adjustment assembly is combined with the reed 12 assembly to move the reed 12 assembly relative to the adjustment arm 17. The user may move the adjustment assembly to certain predetermined stop points 22 along the length of the sound board 14. The expandable member 23 has a first position wherein it is nested inside the housing 28 and a second position wherein a portion extends outside of the housing 28. The expandable member 23 is biased in its first position so that it retracts inside the housing 28 when the user no longer exerts a pulling force on the outlet 25 end. The expandable member 23 may be moved to its extended position to increase the distance between the mouthpiece 10 end and the outlet 25 end which modifies the sound emitted. In its extended position the user may bend or flex the expandable member 23 to modify the direction of sound emitted from the outlet 25 end.
Having thus described the invention in connection with the preferred embodiments thereof, it will be evident to those skilled in the art that various revisions can be made to the preferred embodiments described herein without departing from the spirit and scope of the invention. It is my intention, however, that all such revisions and modifications that are evident to those skilled in the art will be included with in the scope of the following claims.
The present invention claims priority to Provisional Patent Application Ser. No. 62/210,805, filed Aug. 27, 2015, the disclosure of which is hereby expressly incorporated by reference.
Number | Date | Country | |
---|---|---|---|
62210805 | Aug 2015 | US |