JPH09308662A - Chest throwing out instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To throw out the chest with a waist pressing roller as a supporting point by pressing the part of the waist with that waist pressing roller in the easy attitude of a state lying on the face. SOLUTION: This instrument is composed of a throwing-out arm 2 for throwing out the chest, a pair of fitting plates 4 separately fitted on both the sides of that throwing-out arm 2, operating arm 6 to be rotated integrally with a pair of fitting plates 4 to be rotated with a waist pressing roller 8 fitted to these fitting plates 4 as a supporting point, and to be pressed with feet for applying rotating force for rotating the fitting plates 4, and a waist pressing roller laterally interposed between a pair of fitting plates 4 so as to press the part of the waist wile being rotated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chest bender as a health tool used for bending the chest.

[0002]

2. Description of the Related Art Conventionally, when bowing a chest, a method is used in which another person sits on the waist, puts a hand from the side of the arm, pulls backward, and bows the chest while lying down face down. is there.

[0003]

However, the method of bending the chest is performed with the help of another person, which is inconvenient. Also, in order to bend the chest by yourself, the muscle strength to stretch the back and warp the chest is weak, and the effect is small,
There has been a demand for a chest-warping health device that can be effectively back-warped in an easy posture.

The present invention has been made in view of the above problems and was devised to solve the problems. The object of the present invention is to place the waist part in a comfortable posture in a prone position. (EN) It is an object to provide a chest warp device that can bend a chest by pressing it with a waist press roller.

[0005]

In order to achieve the above object, the present invention is directed to a bending arm for bending the chest, a pair of mounting plates mounted separately on both sides of the bending arm, and the mounting plate. Installed between the pair of mounting plates that rotate integrally with the pair of mounting plates that rotate around the waist pressing roller as a fulcrum, and that is installed horizontally between the pair of mounting plates and the operating arm that presses with the foot to give the rotational force that rotates the mounting plates. And a waist pressing roller for pressing the waist part by a rotating waist pressing roller.

Here, as a preferred mode, it is preferable that the actuating arm and the warping arm are attached to a pair of attachment plates so as to be able to extend and contract, and the attachment inclination angle of the actuation arm with respect to the attachment plate is variable.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described more specifically based on embodiments of the invention shown in the drawings. 1A is a front view of the chest deflector, FIG. 1B is a plan view of the chest deflector, FIG. 1C is a left side view of the chest deflector, and FIG. 2A is a knob. Enlarged front view of part of the notch
FIG. 2B is an enlarged front view of the waist presser roller mounting portion, FIG. 3 is a plan view of the waist presser roller, and FIG. 4 is a front view when the waist presser roller is used.

In the figure, a chest warping device 1 is one of the health appliances and is used for bending the chest. The bending arm 2 for bending the chest and the bending arms 2 are attached to both sides of the bending arm 2 so as to be spaced apart from each other. In order to apply a rotational force that rotates integrally with the pair of mounting plates 4 and 4 and the pair of mounting plates 4 and 4 that rotate with the waist pressing roller 8 as a fulcrum, and that rotates the mounting plates 4 and 4. It is mainly composed of an actuating arm 6 which is pressed down by a foot and a waist pressing roller 8 which is installed between a pair of mounting plates 4 and 4 and presses a waist portion by a rotating waist pressing roller 8.

The warp arm 2 is a portion for bending the chest, has a semi-arcuate central portion, and has right and left end portions bent inward in the same direction by about 90 degrees to form a gate shape. The mounting plate 4,
4 is telescopically inserted and connected.

The insertion arm 4f into which the warping arm 2 of the mounting plates 4 and 4 is inserted has a cylindrical shape, and is fixed by welding, and a screw type knob for fixing the warping arm 2 by adjusting it to a predetermined expansion and contraction length. 10 and 10 are attached, this knob 1
Holes are machined on the tip end side of the cylindrical shape for attaching 0 and 10, and hexagon nuts 4e and 4e are welded thereto.

The knobs 10, 10 have a circular head, and shafts 10a, 10a are vertically fixed to the center of the lower surface of the circular head. Screws are engraved on the outer circumference of the shafts 10a, 10a. The shafts 10a, 10a are screwed into the hexagonal nuts 4e, 4e of the mounting plates 4, 4 and their tip ends are inserted into the insertion arms 4f, 4f. The side circumferential surface on the front end side of the bending arm 2 is screwed into the shafts 10a, 10a.
By pressing the tip of the warp, the warping arm 2 is fixed to a predetermined expansion and contraction length.

Support arms 5 and 5 in which the tips of the operating arms 6 are inserted into the left and right mounting plates 4 and 4 and a waist pressing roller 8
Is attached, and when the chest warping device 1 is used, the mounting plate 4,
Reference numeral 4 serves to rotate the waist pressing roller 8 as a fulcrum and press the waist to bend the chest.

The operating arms of the mounting plates 4 and 4 are formed in a horizontally long plate shape, and the rod holes 4d, the waist pressing roller holes 4c, and the operating arm support bolt holes 4b are drilled in this order from the side of the bending arm 2. Next, by adjusting the mounting angles of the support arms 5 and 5, the set pin holes 4a for changing the angle of the operating arm 6 at the time of use are formed at a plurality of positions. It is formed at a circumferential position drawn around the penetrating actuating arm support bolt hole 4b.

The actuating arm 6 is a portion which is pressed down by the foot when the chest is bent, and the left and right sides of the operating arm 6 are parallel to each other, and the part which is pressed down by the foot is horizontal with the floor. . The left and right ends of the horizontal actuating arm 6 are each bent inward in the same direction by about 90 degrees to form a gate shape, and each bent tip end has a support arm 5,
5 is elastically inserted and connected.

The support arms 5 and 5 have a cylindrical shape, and the distal end side of the operating arm 6 is inserted to support the operating arm 6. The support arms 5 and 5 have pin holes 5 corresponding to the set pin holes 4a of the mounting plate 4 described above.
a and 5a are formed on the side surface. Set pin hole 4a,
Also, by inserting a set pin into the pin hole 5a, the inclination angles of the support arms 5 and 5 with respect to the mounting plates 4 and 4 are fixed and integrated.

The tip ends of the operating arms 6 are inserted into the support arms 5 and 5 which are integrated with the mounting plates 4 and 4 so that they are integrated with each other. 4 and the operating arm 6 are integrated to form the operating arm 6
The attachment plates 4 and 4 are rotated about the waist pressing roller 8 as a fulcrum by the pressing force from and the chest can be bent by pressing the waist.

Further, screw-type knobs 7 and 7 are attached to the support arms 5 and 5 to adjust the operating arm 6 to be inserted and fixed to a predetermined expansion and contraction length, and the knobs 7 and 7 are attached. Drilled holes are formed, and hexagon nuts 5b and 5b are welded to the support arm 5 and 5 on the operating arm insertion side.

The heads of the knobs 7, 7 are circular, and the shafts 7a, 7a are vertically fixed to the centers of the lower surfaces of the circular heads. Screws are engraved on the outer periphery of the shafts 7a, 7a, and the shafts 7a, 7a are the hexagon nuts 5 of the support arms 5, 5.
b, 5b is screwed into the support arm 5, 5
Is inserted inside. Then, the distal ends of the screwed shafts 7a, 7a press the side peripheral surface on the distal end side of the operating arm 6 inserted into the supporting arms 5, 5 to extend and retract the operating arm 6 by a predetermined amount. It is designed to be fixed to the length.

The waist pressing roller 8 is for abutting against the waist of the user and pressing it to bend the chest.
The side peripheral surface of the central part is in the shape of a groove with a small diameter, and the side peripheral surfaces on both the left and right sides have a cylindrical shape in which the diameter becomes slightly smaller toward the both ends and is slightly inclined. are doing. The central groove portion of the waist pressing roller 8 is to prevent the spine from hitting, and the both sides of the central pressing portion are slightly inclined so that the waist pressing roller 8 is located at the waist of the user. This is to make it hit gently.

Locking shafts 8a, 8a are laterally projected at the center of the circular shape at the left and right ends of the waist pressing roller 8. The locking shafts 8a, 8a at the left and right ends of the waist pressing roller 8 are the parts that are locked in the waist pressing roll holes 4c, 4c of the mounting plates 4, 4. The waist pressing roller 8 has the locking shaft 8
a, 8a and waist pressing roll holes 4c, 4c are laterally provided between the left and right mounting plates 4, 4 and supported.

The left and right ends of the rod 3 are threaded, and the left and right mounting plates 4, 4 are inserted through the rod holes 4d, 4d.
It is laid horizontally between and supported. A double nut type is used to adjust the distance between the mounting plates 4 and 4.

The actuating arm support bolt 9 is tightened by a hexagonal bolt and a double nut so that the mounting plate 4 and the support arm 5 can pass therethrough and can be rotated in the forward and reverse directions with a clearance.

Next, a method of using the chest camber based on the configuration of the embodiment of the present invention will be described below.

First, the warping arm 2 is adjusted so that it can expand and contract, and is tightened. The left and right knobs 10 and 10 are loosened to adjust the expansion and contraction length of the warp arm 2, and the gate-shaped warp arm 2 and the waist press roller 8 contact the waist press roller 8 on the part of the body to be pressed. To do so. After the adjustment is finished, the left and right knobs 10 and 10 are tightened again, and the bending arm 2 is firmly fixed to the mounting plates 4 and 4.

When the waist pressing roller 8 of the chest warping device 1 to be pressed by the foot is pressed and the chest is bent by the bending arm 2, it is used as shown in FIG.

Next, the actuating arm 6 is first set at a position where the inclination angle of the actuating arm 6 is aligned with the warping arm. Attach the left and right set pins to the set pin holes 4a of the mounting plates 4 and 4,
4a and the pin holes 5a and 5a of the support arms 5 and 5, and the operating arm 6 is rotated about the operating arm support bolts 9 and 9 so that its inclination angle is warped and moved to a position in line with the arm. Then, the left and right set pins are inserted into the set pin holes 4a and 4a of the mounting plates 4 and 4 and the pin holes 5a and 5a of the support arms 5 and 5, and the operation arm 6 is attached to the left and right mounting plates 4 and 4. Fix it.

Further, the left and right knobs 7 and 7 are loosened to adjust the extension / contraction length of the operating arm 6, and the gate-shaped operating arm 6 and the waist pressing roller 8 smoothly press the waist of the body. And the knobs 7 on the left and right again after the adjustment is completed.
Tighten 7 to fix the operating arm 6 firmly to the left and right support arms 5, 5.

After the above adjustments are completed, the chest camber 1 is placed on the body. That is, when the chest warp device 1 is viewed from the side, the L-shaped warp arm 2 and the waist presser roller 8 are placed on the upper side of the body so that the warp arm 2 is on the armpit. Is on the upper side of the waist, and the operating arm 6 is in a position where the ankle can be placed with the knee bent.

Then, the operating arm 6 is hung on the ankle and pressed downward, so that the supporting arms 5, 5,
And the left and right mounting plates 4, which are fixed via the set pins.
The waist 4 can also be bent by rotating integrally with the waist pressing roller 8 as a fulcrum.

Further, locking shafts 8 at both ends of the waist pressing roller holes 4c, 4c of the left and right mounting plates 4, 4 which rotate integrally.
The waist pressing roller 8 to which a and 8a are locked is integrated with the mounting plates 4 and 4, and presses the waist of the body, and the method of adjusting the amount of bending of the chest is set pin hole 4a. , 4a and the pin holes 5 of the support arms 5, 5
A tired waist can be massaged by changing the positions to be inserted into a and 5a.

The present invention is not limited to the above embodiment of the present invention, and it is needless to say that various modifications can be made without departing from the spirit of the present invention.

[0032]

As is apparent from the above description, according to the chest warping device of the present invention, the operating arm is pressed down with the foot in a comfortable posture lying on the stomach.
The waist is pressed by the waist presser roller, and the waist presser roller that can be pressed down presses the waist part, and the waist presser roller bends as a fulcrum and the arm bends the chest and stretches the back muscles. You can also massage your tired waist with the waist press roller.

When the actuating arm and the warping arm are attached to the pair of mounting plates in an extendable and contractable manner as in claim 2, it is desired to press the actuating arm again when the foot is pressed. The length of the working arm can be freely adjusted according to the size of the waist of the user.

When the operating arm is attached to the mounting plate with a variable inclination angle, the amount by which the user's chest is bent when the operating arm is held by the foot. The angle of the operating arm can be freely adjusted in order to change the angle.

[Brief description of drawings]

FIG. 1A is a front view of a chest warper showing an embodiment of the present invention. (B) is a top view of the chest warp which shows embodiment of this invention. (C) is a left side view of the chest camber showing the embodiment of the present invention.

FIG. 2A is an enlarged front view of the knob according to the embodiment of the present invention with a part thereof cut away. FIG. 3B is an enlarged side view of the mounting portion of the waist pressing roller showing the embodiment of the present invention.

FIG. 3 is a plan view of a waist pressing roller showing an embodiment of the present invention.

FIG. 4 is a front view of the embodiment of the present invention when it is used.

[Explanation of symbols]

 1 Chest Warping Device 2 Warping Arm 3 Rod 4 Mounting Plate 4a Set Pin Hole 4b Operating Arm Support Bolt Hole 4c Hip Holding Roller Hole 4d Rod Hole 4e Hex Nut 4f Insert Arm 5 Support Arm 5a Set Pin Hole 5b Hex Nut 6 Operating Arm 7 Knob 7a Shaft 8 Waist-pressing roller 8a Locking shaft 9 Operating arm support bolt 10 Knob 10a Shaft

Claims (3)

[Claims] 1. A warp arm for bending the chest, a pair of mounting plates mounted separately on both sides of the warping arm, and a pair of mounting plates that rotate around a waist pressing roller mounted on the mounting plate as a fulcrum. And a waist presser that presses the waist part with a rotating presser roller that is laterally installed between the pair of mounting plates and an operating arm that presses with a foot to give a rotational force to rotate the mounting plate. A chest warping device characterized by being equipped with at least a roller. 2. The chest deflector according to claim 1, wherein the actuating arm and the warping arm are attached to a pair of mounting plates so as to extend and contract. 3. A chest deflector according to claim 1, wherein a mounting angle of the operating arm to the mounting plate is variable.