JP2506216Y2 - Rim for Archery - Google Patents

Description

[Detailed description of the device]

[0001]

This invention relates to archery rims.

[0002]

As a conventional archery rim,
There is known an archery rim described in JP-A-59-185997 "Disassembly Bow" (conventional example).

The "disassembled bow" is a hand riser 101.
The rim 102 is attached to the. Rim 102 is rim 1
The hand riser 101 is supported by the adjusting screw 103 provided at the mounting end of the No. 02 and the return member 104 provided closer to the center of the rim 102 than the adjusting screw 103. Then, the rim 102 is configured to be thinned from the return member 104 to the adjusting screw 103.
Alternatively, it is generally known that the attachment end of the archery rim to the hand riser has the same thickness.

[0004]

[Problems to be Solved by the Invention] However, in the conventional structure in which the thickness of the rim return member and the adjusting screw is thinned, or the attachment end of the archery rim to the handler Izai has the same thickness. In the example, there is a problem that the bending of the rim curve may not be smooth when the rim is stretched.

[0005]

[Means for Solving the Problems]

Attached to both ends of the hand riser,
In the rim supported at each of the two end portions, the rim is formed so that the thickness of the rim is thickest at the rim center side support portion and becomes thinner toward the end portion, and the surface in contact with the hand riser side forms a curved surface, Of the two support points, the hand riser end side support point on the rim center side has a through hole in the hand riser, and the hand riser side has a cap with a diameter larger than the through hole and a male screw shaft with a smaller diameter than the through hole. The rim set screw penetrates and can be freely screwed with the rim side rim set screw that is a female screw provided on the rim, and at the support point on the rim end side, the hand riser has a spherical bearing inside surface and the bearing can rotate and tilt The adjustment screw support consisting of a spherical lower part and a male screw that is attached to the adjustment screw support is provided on the adjustment screw support so that the adjustment screw consisting of a female screw can be screwed into it. Together to form freely insert the join the club to adjusting screw for supporting the rim to the hand riser, provides archery rim, characterized in that can be fixed by adjusting the screwing amount of the adjusting screw and hand riser side Rimusetto screws.

[0007]

[Function] The rims attached to the both ends of the hand riser and supported at two positions at the respective ends are formed such that the rim has the largest thickness at the rim center side supporting position and becomes thinner toward the end side, and Since the surface that contacts the riser side is curved, the rim flexes smoothly when the rim is stretched.

Further, the rim can adjust the strength of the rim and the height of the chiller height by adjusting the adjusting screw.

[0009]

[Embodiment] Fig. 1 showing a central cross-sectional view of the embodiment of the present invention in which the rim in the use state has the strongest strength. Fig. 1, the rim strength (lbs) and the chiler height adjustment by the adjusting screw are changed. 2, which shows a central sectional view of the use state, FIG. 3 which shows the same front view, FIG. 4 which shows a partially enlarged front view of the same rim end portion, FIG. 5, which shows a partially enlarged plan view of the same rim end portion, and FIG. This will be described with reference to FIG. 6 and FIG. 7 showing front views of the parts assembled state.

Numeral 11 is a hand riser located in the center of the archery and held by the player. Reference numerals 12 are rims attached to the upper and lower sides of the hand riser 12, respectively. A string is stretched between the tips of the rim 12.

From the end of the hand riser 12, a groove 13 having an upper opening is provided. The cover 1 is provided on the upper part of the groove portion 13 on the center side of the hand riser so as to cover the groove portion 13.
4 is attached. An opening 15 is provided in the center of the cover 14.
Is provided. A ring 16 is attached to the opening edge of the opening 15.

Reference numeral 21 is an adjusting screw support. The lower part of the adjusting screw support 21 is formed in a spherical shape, and the inner surface attached to the bottom of the groove below the opening provided in the cover is supported by the spherical bearing 22. Therefore, the adjustment screw support 2
No. 1 is rotatable and tiltable within a range of sliding relative to each other, and has a tip protruding from the groove surface.

Reference numeral 31 is a hand riser side rim set screw. The hand riser-side rim set screw 31 includes a male screw shaft 33 and a cap 32 screwed to one end of the male screw shaft 33. Hand riser side rim set screw 31
Is provided closer to the distal end side of the hand riser than the shaft adjusting screw support 21 and has a diameter smaller than that of the cap 32.
The male screw shaft 33 penetrates through the larger-diameter through hole 17 and is attached with the tip of the male screw shaft 33 protruding from the surface of the groove portion 13. Reference numeral 34 denotes a rim set screw receiver, which is attached around the through hole 17.

Reference numeral 18 denotes an adjusting screw insertion portion provided so as to open from the mounting end side of the rim 12 to the hand riser 11. At the opening edge of the adjustment screw insertion portion 18, the adjustment screw receiver 19
Is attached.

Reference numeral 35 is a rim-side rim set screw. The rim-side rim set screw 35 has a female screw formed therein, is attached to the center side of the adjustment screw insertion portion 18 of the rim 12, and can be screwed with the male screw of the hand riser-side rim set screw 31.

Reference numeral 23 is an adjusting screw. The adjusting screw 23 is
A female screw is formed so as to penetrate through the inside of the center, and the adjusting screw insertion portion 18 is inserted at the outer periphery of the intermediate portion, and one end is provided with the adjusting screw support 2
It is screwed into one male screw, and the other end is projected from the opening 15. When a scale is formed on the outer peripheral surface of the adjusting screw 23 parallel to the longitudinal direction, the adjusting screw 2 that changes the strength of the rim 12
The rotation amount of 3 can be freely selected.

Reference numeral 24 is a set screw. The positioning screw 24 is screwed into a female screw formed through the inside of the center of the adjusting screw 23, and by changing the screwing position, the amount by which the adjusting screw support 21 enters the adjusting screw 23 is regulated.
That is, by regulating the amount of the positioning screw that enters the adjusting screw 23, the amount of the adjusting screw support 21 that fully fits into the adjusting screw 23 is regulated, and the screwing position of the adjusting screw 23 and the adjusting screw support 21 is regulated. Reproducibility is ensured.

The rim 12 is supported by the hand riser 11 at two positions, that is, the mounting position of the rim-side rim set screw 35 at the end and the adjusting screw insertion part 18. The attachment point of the rim set side rim set screw 35, which is the support point on the center side, is made thickest and becomes thinner toward the end side, and a curved surface R is formed as shown in FIG.

Next, the operation of the embodiment will be described. When the rim 12 is attached to the hand riser 11, the adjustment screw 23 is loosely screwed into the adjustment screw support 21 and the adjustment screw insertion portion 18 is inserted toward the middle portion of the adjustment screw 23 first. Next, the hand riser side rim set screw 31 is inserted from the outside of the through hole 17 and the hand riser side rim set screw 31 and the rim side rim set screw 35 are screwed together. As shown in FIG. 1, a rim 12 and a hand riser 1
2 is adjusted by adjusting the screwing amounts of the adjusting screw 23 and the hand riser-side rim set screw according to the mounting angle with respect to FIG.
Secure as shown in Figure.

When the string is broken and the archery is impacted, the rim 12 is fixed to the hand riser 11 because it is attached to the hand riser 11 with the adjusting screw 23 and the adjusting screw support 21. To be done. Further, the rim-side rim set screw 35 and the hand riser-side rim set screw 31 are fixed in two places, which is more complete.

Further, the adjusting screw 23 and the adjusting screw support 21 are provided.
Since the mounting portion of and is covered by the cover 14, it does not give a complicated appearance impression.

Therefore, in this embodiment, the rim 12 adjusts the adjusting screw 23 so that the rim strength (pound strength) can be adjusted. Further, by adjusting the adjusting screw 23, the height of the chiler height can be adjusted. These two points can be adjusted by adjusting the adjusting screw 23.

The hand riser 11 is supported at two places of the rim-side rim set screw 35 at the end and the adjusting screw insertion part 18, and is attached to the rim set-side rim set screw 35 at the center side. A curved surface R is formed as shown in FIG. 4, which is thickest and thinner toward the end. Therefore, the string is stretched between the tips of the rim 12, and the rim 12 flexes smoothly when the rim 12 is stretched.

[0024]

[Effects of the Invention] The bending of the rim curve when the rim is stretched is smooth.

Further, even if the strings are broken and the archery is impacted, the rim has a hand riser at two places: the adjustment screw, the adjustment screw support, and the rim side rim set screw and the hand riser side rim set screw. Since it is fixed and attached to the rim, the fixing of the rim and the hand riser is perfect.

[Brief description of drawings]

FIG. 1 is a central sectional view of an embodiment of the present invention in use.

FIG. 2 is a central sectional view of the embodiment of the present invention in use.

FIG. 3 is a front view of the embodiment of the present invention.

FIG. 4 is a partially enlarged front view of a rim end portion of an embodiment of the present invention.

FIG. 5 is a partially enlarged plan view of a rim end portion of an embodiment of the present invention.

FIG. 6 is a front view of an assembled state of parts according to an embodiment of the present invention.

FIG. 7 is a front view of an assembled state of parts according to an embodiment of the present invention.

[Explanation of symbols]

 11 Hand Riser 12 Rim 17 Through Hole 18 Adjusting Screw Insert 21 Adjusting Screw Support 22 Bearing 23 Adjusting Screw 31 Hand Riser Side Rim Set Screw 32 Cap 33 Male Screw Shaft 35 Rim Side Rim Set Screw R Curved Surface

Claims (1)

(57) [Scope of utility model registration request] 1. A rim that is attached to both ends of a hand riser and is supported at two positions at each end,
The thickness of the rim is thickest at the rim center side support point and becomes thinner toward the end side, and the surface in contact with the hand riser side forms a curved surface and the hand that is on the rim center side of the two support points. A through hole is provided in the hand riser at the support part on the riser end side, and a female screw provided on the rim by passing a hand riser side rim set screw having a cap with a diameter larger than the through hole and a male screw shaft with a diameter smaller than the through hole. It is formed so that it can be screwed into the rim-side rim set screw, and at the support point on the rim end side, a bearing with a spherical inner surface on the hand riser and an adjusting screw support consisting of a spherical lower part that is attached to the bearing in a rotatable and tiltable manner and a male screw Body, the adjustment screw consisting of a female screw is screwed onto the adjustment screw support, and the adjustment screw insertion part at the rim end can be inserted into the adjustment screw to form the rim. Archery rim, characterized in that while supporting the command riser, can be fixed by adjusting the screwing amount of the adjusting screw and hand riser side Rimusetto screws.